.support-widget{--support-green:#0e5a39;--support-green-dark:#083c29;--support-line:#dfe9e2;right:max(22px, env(safe-area-inset-right));bottom:max(22px, env(safe-area-inset-bottom));z-index:2140;color:#183127;font-family:var(--font-sans,"PingFang SC", "Microsoft YaHei", sans-serif);position:fixed}.support-launcher{color:#fff;background:var(--support-green-dark);cursor:pointer;min-height:52px;font:inherit;border:1px solid #ffffff38;border-radius:999px;align-items:center;gap:9px;padding:0 18px;font-weight:700;display:flex;box-shadow:0 16px 38px #042a1a3d}.support-launcher svg{width:20px;height:20px}.support-launcher i,.support-panel__header i{background:#9eaaa4;border-radius:50%;width:8px;height:8px}.support-launcher i.is-online,.support-panel__header i.is-online{background:#57d37d;box-shadow:0 0 0 3px #57d37d26}.support-panel{background:#fff;border:1px solid #093b2724;border-radius:22px;grid-template-rows:auto minmax(250px,1fr) auto auto auto;width:min(388px,100vw - 28px);height:min(620px,100dvh - 44px);display:grid;overflow:hidden;box-shadow:0 24px 80px #04231742}.support-panel__header{color:#fff;background:linear-gradient(135deg,#083c29 0%,#0f6943 100%);grid-template-columns:42px 1fr 34px;align-items:center;gap:11px;padding:16px 17px;display:grid}.support-panel__header>button,.support-panel__composer button{cursor:pointer;font:inherit;border:0;place-items:center;display:grid}.support-panel__header>button{color:#fff;background:#ffffff1a;border-radius:10px;width:34px;height:34px}.support-panel__header>button svg{width:18px;height:18px}.support-panel__avatar{background:#ffffff24;border-radius:14px;place-items:center;width:42px;height:42px;display:grid}.support-panel__avatar svg{width:21px;height:21px}.support-panel__header strong{font-size:15px;line-height:1.4;display:block}.support-panel__header span:not(.support-panel__avatar){color:#ffffffc2;align-items:center;gap:7px;margin-top:3px;font-size:12px;display:flex}.support-panel__messages{overscroll-behavior:contain;background:#f5f8f5;padding:18px 15px;overflow:auto}.support-message{flex-direction:column;align-items:flex-start;margin:0 0 13px;display:flex}.support-message p,.support-message a{border-radius:15px 15px 15px 5px;max-width:82%;margin:0}.support-message p{white-space:pre-wrap;overflow-wrap:anywhere;background:#fff;padding:10px 12px;line-height:1.58;box-shadow:0 2px 7px #0c312212}.support-message a{border:1px solid var(--support-line);background:#fff;display:block;overflow:hidden}.support-message img{object-fit:contain;width:auto;max-width:100%;max-height:260px;display:block}.support-message time{color:#88958f;margin-top:4px;font-size:10px}.support-message--bot>p:before{content:"AI 助手";letter-spacing:.04em;color:var(--support-green,#2e8c43);opacity:.85;margin-bottom:4px;font-size:11px;font-weight:600;display:block}.support-message--visitor{align-items:flex-end}.support-message--visitor p{color:#fff;background:var(--support-green);box-shadow:none;border-radius:15px 15px 5px}.support-panel__notice{color:#a33b32;background:#fff4f1;margin:0;padding:8px 15px;font-size:12px}.support-panel__composer{border-top:1px solid var(--support-line);background:#fff;padding:11px 13px 9px}.support-panel__composer textarea{resize:none;color:#183127;width:100%;min-height:48px;font:inherit;background:0 0;border:0;outline:0;font-size:14px;line-height:1.5;display:block}.support-panel__composer>div{align-items:center;gap:8px;margin-top:5px;display:flex}.support-panel__composer button{color:#4d655b;background:#edf4ef;border-radius:10px;width:34px;height:34px}.support-panel__composer button:disabled{cursor:not-allowed;opacity:.48}.support-panel__composer button svg{width:18px;height:18px}.support-panel__composer span{color:#91a097;flex:1;font-size:11px}.support-panel__composer .support-panel__send{color:#fff;background:var(--support-green)}.support-panel footer{color:#93a198;text-align:center;background:#fff;padding:0 12px 9px;font-size:10px}.support-panel footer a{color:#557768;margin-left:2px}.support-spin{animation:.8s linear infinite support-spin}@keyframes support-spin{to{transform:rotate(360deg)}}@media (width<=540px){.support-widget{right:12px;bottom:max(12px, env(safe-area-inset-bottom))}.support-panel{border-radius:20px;width:calc(100vw - 24px);height:min(680px,100dvh - 24px)}.support-launcher span{display:none}.support-launcher{justify-content:center;width:54px;padding:0}.support-launcher i{border:2px solid var(--support-green-dark);position:absolute;top:3px;right:3px}}@media (prefers-reduced-motion:reduce){.support-spin{animation:none}}