:root{--mc-green:#2c4e46;--mc-ink:#263d37;--mc-muted:#60736d;--mc-line:#dbe4df;--mc-red:#b63548;--mc-surface:#fff;--mc-soft:#f3f7f4}
.mc-root{color:var(--mc-ink);font:14px/1.5 'Segoe UI','Microsoft YaHei',sans-serif}
.mc-root button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;min-height:44px;padding:10px 12px;border-radius:9px;letter-spacing:normal}
.mc-root button:focus-visible,.mc-root textarea:focus-visible{outline:3px solid #6f998b;outline-offset:3px}.mc-root button:disabled{opacity:.55;cursor:default}
.mc-root svg{width:24px;height:24px;stroke:currentColor;stroke-width:1.7;fill:none;flex:none}
.mc-dock{position:fixed;z-index:60;right:24px;bottom:24px;display:flex;gap:10px;align-items:center}
.mc-root .mc-launch{position:relative;display:flex;align-items:center;gap:9px;min-height:54px;padding:13px 17px;background:var(--mc-surface);border:1px solid var(--mc-line);box-shadow:0 5px 22px #18392d19;font-weight:600;border-radius:28px}
.mc-root .mc-support,.mc-root .mc-launch[aria-expanded=true]{background:var(--mc-green);color:white;border-color:var(--mc-green)}
.mc-root .mc-count,.mc-tabs b{display:inline-flex;justify-content:center;align-items:center;background:var(--mc-red);color:white;border-radius:20px;padding:2px 6px;min-width:22px;height:22px;font-size:12px;line-height:1;font-weight:700;flex:none}
.mc-launch .mc-count,.mc-offline{position:absolute;right:-3px;top:-6px;border:2px solid white;height:25px;min-width:25px}
.mc-offline{background:#986516;color:white;border-radius:50%;font-style:normal;text-align:center}
.mc-panel{position:fixed;z-index:59;right:24px;bottom:92px;width:410px;height:min(620px,calc(100dvh - 116px));min-height:0;display:flex;flex-direction:column;background:var(--mc-surface);border:1px solid #cddbd3;border-radius:18px;box-shadow:0 12px 55px #122a3029;overflow:hidden}
.mc-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:17px 18px;background:var(--mc-green);color:white;flex:none}
.mc-heading h2{font:600 18px/1.4 'Segoe UI','Microsoft YaHei',sans-serif;margin:0;overflow-wrap:anywhere}.mc-heading p{font-size:12px;margin:4px 0 0;color:#e0ebe5;display:flex;align-items:center;gap:6px}.mc-heading i{width:6px;height:6px;background:#b1dfbd;border-radius:50%}.mc-heading i.offline{background:#f2ce89}
.mc-root .mc-iconbutton{display:grid;place-items:center;width:44px;height:44px;padding:9px;flex:none;color:inherit;background:#ffffff10}
.mc-tabs{display:flex;padding:6px 10px;border-bottom:1px solid var(--mc-line);gap:6px;flex:none}.mc-tabs button{flex:1;display:flex;justify-content:center;align-items:center;gap:6px;font-size:13px;padding:8px}.mc-tabs button[aria-pressed=true]{background:#eaf1ed;color:var(--mc-green);font-weight:600}
.mc-threadbar{display:flex;justify-content:space-between;align-items:center;padding:0 10px;border-bottom:1px solid var(--mc-line);flex:none}.mc-threadbar:empty{display:none}.mc-threadbar button{font-size:12px;padding:7px}
.mc-conversation,.mc-feed{overflow:auto;overscroll-behavior:contain;min-height:0;flex:1;padding:16px;background:var(--mc-soft)}
.mc-feed{background:white;padding:8px 12px}.mc-empty{text-align:center;color:var(--mc-muted);font-size:14px;margin:0;padding:35px 18px;line-height:1.8}
.mc-message{max-width:92%;width:fit-content;margin:0 auto 14px 0;padding:10px 13px;background:white;border:1px solid var(--mc-line);border-radius:3px 13px 13px 13px;text-align:left}.mc-message.mine{margin-left:auto;margin-right:0;background:#e4efe8;border-color:#d3e0d8;border-radius:13px 3px 13px 13px}
.mc-message>div{display:flex;gap:12px;flex-wrap:wrap;align-items:baseline}.mc-message b{font-size:12px}.mc-root time{display:block;font-size:12px;color:var(--mc-muted);margin:2px 0;white-space:normal}.mc-message p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px;margin:6px 0 0;line-height:1.6}
.mc-compose{display:flex;align-items:flex-end;gap:8px;padding:12px;border-top:1px solid var(--mc-line);background:white;flex:none}.mc-compose textarea{width:100%;min-height:68px;max-height:120px;resize:vertical;padding:10px 12px;border:1px solid #bccdc3;border-radius:9px;font-family:inherit;font-size:16px;line-height:1.45;color:var(--mc-ink);margin:0;background:white}.mc-compose button{background:var(--mc-green);color:white;padding:10px 13px;white-space:nowrap;flex:none}.mc-compose button span{margin-left:5px}
.mc-root .mc-thread{display:flex;gap:11px;align-items:center;width:100%;padding:14px 5px;text-align:left;border-radius:0;border-bottom:1px solid var(--mc-line)}.mc-thread>span:nth-child(2){flex:1;min-width:0}.mc-thread strong{display:block;font-size:13px;overflow-wrap:anywhere}.mc-root small{font-size:12px;color:var(--mc-muted);display:block}.mc-avatar{width:36px;height:36px;border-radius:50%;background:#eaf1ed;color:var(--mc-green);display:grid;place-items:center;flex:none}
.mc-feedlabel{font-size:12px;color:var(--mc-muted);margin:8px 4px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between}.mc-feedlabel button{font-size:12px;text-align:left;text-decoration:underline;padding:5px 0}
.mc-root .mc-notice{position:relative;display:block;text-align:left;padding:14px 16px;width:100%;border-bottom:1px solid var(--mc-line);border-radius:0}.mc-notice.unread{background:#f0f6f2}.mc-notice p{margin:5px 0;white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px}.mc-notice strong{display:block;font-size:14px}.mc-dot{width:6px;height:6px;position:absolute;left:4px;top:21px;background:var(--mc-red);border-radius:50%}
.mc-error{padding:10px 14px;background:#fff0e9;color:#8c392c;font-size:13px;flex:none;max-height:135px;overflow:auto}.mc-error button{font-size:13px;text-decoration:underline;min-height:36px}.mc-root .mc-older{font-size:12px;display:block;margin:0 auto 14px;text-decoration:underline}
.mc-announcement{position:fixed;z-index:61;right:24px;bottom:94px;max-width:calc(100vw - 32px)}.mc-announcement:empty{display:none}.mc-announcement button{background:var(--mc-green);color:white;box-shadow:0 4px 20px #17392d22;border:1px solid white;padding:12px 18px}
.mc-sr{position:absolute!important;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.balance-strip{position:sticky;top:0;z-index:25;background:#e5eee8;border-bottom:1px solid #c8dbcf;padding:9px max(24px,calc((100vw - 1440px)/2));display:flex;justify-content:flex-end;align-items:center;gap:16px;color:#284b3f;min-height:52px}.balance-strip>span{font-size:13px}.balance-strip strong{font-size:21px;font-variant-numeric:tabular-nums;white-space:nowrap;letter-spacing:-.3px}.balance-strip button{min-height:36px;border:1px solid #789b89;background:#fff;border-radius:6px;padding:5px 12px;font-size:12px;color:#284b3f}.balance-strip .balance-pending{font-size:14px}
@media(max-width:800px){.mc-dock{right:14px;bottom:calc(84px + env(safe-area-inset-bottom));gap:8px}.mc-root .mc-launch{min-height:48px;padding:10px 13px;font-size:12px;gap:7px}.mc-launch svg{width:21px;height:21px}.mc-panel{right:10px;bottom:calc(144px + env(safe-area-inset-bottom));width:calc(100% - 20px);height:min(560px,calc(100dvh - 158px - env(safe-area-inset-bottom)));border-radius:14px}.mc-heading{padding:11px 14px}.mc-heading h2{font-size:16px}.mc-announcement{right:14px;bottom:calc(143px + env(safe-area-inset-bottom));font-size:13px}.balance-strip{gap:10px;padding:8px 16px;justify-content:space-between;flex-wrap:wrap}.balance-strip>span{font-size:12px}.balance-strip strong{font-size:19px}.balance-strip button{font-size:12px;padding:6px 9px}.mc-compose textarea{font-size:16px}.mc-conversation,.mc-feed{padding:12px}.mc-tabs{padding:4px 8px}.mc-compose{padding:10px}.mc-tabs button{font-size:12px}}
@media(max-height:560px){.mc-panel{top:8px;bottom:8px;height:auto;z-index:65}.mc-heading p{display:none}.mc-heading{padding:5px 12px}.mc-compose textarea{min-height:44px;height:44px}}