.wk-chat-app{position:fixed;inset:0;z-index:70;display:none;background:#fff;color:#171b1a;font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
.wk-chat-app.show{display:block}.wk-chat-app *{box-sizing:border-box}.wk-chat-app [hidden]{display:none!important}.wk-chat-app button{font:inherit;cursor:pointer}.wk-chat-app button:focus-visible,.wk-chat-app textarea:focus-visible{outline:2px solid #278676;outline-offset:2px}
.wk-chat-shell{display:grid;grid-template-columns:248px minmax(0,1fr);width:100%;height:100%;height:100dvh;min-height:0}
.wk-chat-sidebar{display:flex;min-width:0;min-height:0;flex-direction:column;border-right:1px solid #e9eeeb;padding:20px 12px 15px;background:#f7f9f7}
.wk-chat-brand{display:flex;align-items:center;gap:10px;padding:4px 8px 22px;color:#15221e;font-size:15px;font-weight:750}.wk-chat-brand small{display:block;margin-top:1px;color:#718078;font-size:10px;font-weight:600;letter-spacing:.09em}.wk-chat-logo{display:grid;place-items:center;width:36px;height:36px;flex:none;border-radius:11px;color:#fff;background:#176b69}
.wk-chat-new{display:flex;align-items:center;gap:9px;width:100%;min-height:45px;border:1px solid #d9e3dc;border-radius:12px;padding:9px 13px;color:#1c453b;background:#fff;font-weight:650;text-align:left}.wk-chat-new:hover{background:#edf5ef}
.wk-chat-list-heading{margin:26px 10px 8px;color:#68776e;font-size:12px;font-weight:650}.wk-chat-history{min-height:0;flex:1;overflow:auto}.wk-chat-history-empty{margin:15px 10px;color:#68776e;font-size:13px}
.wk-chat-history-row{display:flex;align-items:center;gap:2px;margin:2px 0;border-radius:10px}.wk-chat-history-row:hover,.wk-chat-history-row.active{background:#eaf1ed}.wk-chat-history-open{min-width:0;flex:1;border:0;padding:9px 10px;color:#1c2823;background:none;text-align:left}.wk-chat-history-open strong,.wk-chat-history-open small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.wk-chat-history-open strong{font-size:12px;font-weight:600}.wk-chat-history-open small{margin-top:2px;color:#6a766f;font-size:11px}.wk-chat-history-delete{flex:none;border:0;border-radius:8px;padding:7px;color:#798980;background:transparent;opacity:0}.wk-chat-history-row:hover .wk-chat-history-delete,.wk-chat-history-delete:focus-visible{opacity:1}.wk-chat-history-delete:hover{color:#ac3030;background:#faeaea}
.wk-chat-side-bottom{display:grid;gap:2px;border-top:1px solid #e0e8e2;padding-top:10px}.wk-chat-side-bottom button{border:0;border-radius:9px;padding:8px 10px;color:#53665a;background:transparent;text-align:left;font-size:12px}.wk-chat-side-bottom button:hover{color:#1d4f43;background:#e9f1eb}.wk-chat-side-bottom i{margin-right:8px}
.wk-chat-main{display:flex;min-width:0;min-height:0;flex-direction:column;background:#fff}.wk-chat-header{display:flex;align-items:center;gap:10px;min-height:66px;border-bottom:1px solid #edf0ee;padding:0 clamp(15px,3vw,44px)}.wk-chat-heading{min-width:0;flex:1}.wk-chat-heading strong,.wk-chat-heading small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.wk-chat-heading strong{color:#151c19;font-size:17px;font-weight:720}.wk-chat-heading small{color:#5d6d64;font-size:11px}.wk-chat-icon{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-width:36px;min-height:36px;border:0;border-radius:9px;padding:6px 9px;color:#465b50;background:transparent;font-size:12px}.wk-chat-icon:hover{background:#eff5f0}.wk-chat-icon i{font-size:17px}.wk-chat-mobile-only{display:none}
.wk-chat-status{align-self:center;margin:10px 12px 0;border-radius:999px;padding:5px 12px;color:#286750;background:#ebf6ee;font-size:12px}.wk-chat-messages{min-height:0;flex:1;overflow:auto;overscroll-behavior:contain;padding:28px clamp(16px,5vw,65px) 35px;scrollbar-color:#c7d2ca transparent}.wk-chat-empty{display:flex;max-width:720px;min-height:70%;flex-direction:column;justify-content:center;margin:auto}.wk-chat-empty-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;color:#fff;background:#176b69;font-size:20px}.wk-chat-empty h1{margin:16px 0 7px;color:#101713;font-size:clamp(26px,3vw,34px);line-height:1.25}.wk-chat-empty p{max-width:560px;margin:0;color:#4d5d53;font-size:14px}.wk-chat-suggestions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:25px}.wk-chat-suggestions button{min-height:53px;border:1px solid #e0e9e2;border-radius:12px;padding:11px 13px;color:#2e4035;background:#fff;text-align:left;font-size:13px}.wk-chat-suggestions button:hover{border-color:#9cc9aa;background:#f7faf8}
.wk-chat-message{display:flex;gap:13px;max-width:820px;margin:0 auto 27px;color:#111815}.wk-chat-message.user{justify-content:flex-end}.wk-chat-avatar{display:grid;place-items:center;width:30px;height:30px;flex:none;border-radius:10px;color:#fff;background:#176b69}.wk-chat-bubble{min-width:0;max-width:calc(100% - 43px);color:#111815;font-size:15px;line-height:1.8;overflow-wrap:anywhere}.wk-chat-bubble p{margin:0 0 12px}.wk-chat-bubble p:last-child{margin-bottom:0}.wk-chat-message.user .wk-chat-bubble{max-width:min(75%,620px);border-radius:17px;padding:10px 15px;color:#18221d;background:#eff3ef}.wk-chat-bubble h1,.wk-chat-bubble h2,.wk-chat-bubble h3,.wk-chat-bubble h4,.wk-chat-bubble h5,.wk-chat-bubble h6{color:#101713;line-height:1.45}.wk-chat-bubble a{color:#116b5c}.wk-chat-bubble code{color:#18221d;background:#f2f4f2}.wk-chat-bubble pre{overflow:auto;border-radius:10px;padding:13px;color:#19231d;background:#f3f6f4}.wk-chat-bubble table{max-width:100%;display:block;overflow-x:auto;border-collapse:collapse}.wk-chat-bubble th,.wk-chat-bubble td{border:1px solid #dce5de;padding:5px 9px}.wk-chat-bubble blockquote{border-left:3px solid #93bba1;margin:12px 0;padding:6px 13px;color:#35473b;background:#f7faf7}.wk-chat-bubble li{margin:2px 0}.wk-chat-refs{display:block;margin-top:15px;border:0;border-radius:8px;padding:6px 10px;color:#206957;background:#edf6ef;font-size:12px}.wk-chat-refs:hover{background:#ddede1}.wk-chat-loader{display:inline-block;width:12px;height:12px;margin-right:8px;border:2px solid #b8d7c3;border-top-color:#176b69;border-radius:50%;animation:wk-chat-spin .8s linear infinite}@keyframes wk-chat-spin{to{transform:rotate(360deg)}}
.wk-chat-composer-wrap{flex:none;padding:12px clamp(15px,5vw,65px) max(18px,env(safe-area-inset-bottom));background:#fff}.wk-chat-composer{display:flex;align-items:flex-end;gap:9px;max-width:820px;margin:auto;border:0;border-radius:18px;padding:9px 9px 9px 17px;background:#f3f6f3;box-shadow:0 3px 14px #1c392010}.wk-chat-composer:focus-within{background:#f0f5f1;box-shadow:0 5px 18px #1c392019}.wk-chat-composer textarea{min-width:0;min-height:27px;max-height:180px;flex:1;border:0;outline:0!important;padding:2px 0;resize:none;color:#111815;background:transparent;font:inherit;font-size:15px;line-height:1.55;overflow-y:auto}.wk-chat-composer textarea::placeholder{color:#748178}.wk-chat-composer button{display:grid;place-items:center;width:36px;height:36px;flex:none;border:0;border-radius:11px;color:#fff;background:#176b69}.wk-chat-composer button:disabled{opacity:.5}.wk-chat-hint{display:block;max-width:820px;margin:6px auto 0;color:#738178;font-size:10px}
.wk-chat-scrim,.wk-chat-sheet-scrim{position:fixed;inset:0;background:#111b1680}.wk-chat-scrim{z-index:2}.wk-chat-sheet-scrim{z-index:4}.wk-chat-source-sheet{position:fixed;right:0;top:0;bottom:0;z-index:5;width:min(480px,96vw);overflow:auto;background:#fff;box-shadow:-16px 0 40px #101c1a26}.wk-chat-source-sheet>header{position:sticky;top:0;display:flex;align-items:center;justify-content:space-between;min-height:62px;border-bottom:1px solid #e6ede7;padding:0 20px;background:#fff}.wk-chat-source-sheet>header strong{color:#15211a;font-size:17px}.wk-chat-source-sheet>header button{border:0;border-radius:8px;padding:8px;color:#36483c;background:#f2f6f3}.wk-chat-source-sheet>div{padding:18px 20px;color:#25352a}.wk-chat-source{display:block;width:100%;margin-bottom:10px;border:1px solid #e0e9e1;border-radius:12px;padding:13px;color:#17251b;background:#fff;text-align:left}.wk-chat-source:hover{background:#f7faf7}.wk-chat-source small,.wk-chat-source strong,.wk-chat-source span{display:block}.wk-chat-source small{color:#2b7861;font-size:11px}.wk-chat-source strong{margin-top:3px;font-size:14px}.wk-chat-source span{margin-top:4px;color:#617168;font-size:12px}.wk-chat-document{color:#17251b;line-height:1.75;overflow-wrap:anywhere}.wk-chat-document h1,.wk-chat-document h2,.wk-chat-document h3{color:#111b14}.wk-chat-document pre{overflow:auto;border-radius:9px;padding:12px;background:#f3f6f4}.wk-chat-document table{display:block;max-width:100%;overflow-x:auto}.wk-chat-toast{position:fixed;right:20px;bottom:20px;z-index:8;max-width:min(420px,calc(100vw - 30px));border-radius:12px;padding:11px 15px;color:#fff;background:#26382d;box-shadow:0 9px 32px #0003;font-size:13px}
@media(max-width:720px){
  .wk-chat-shell{display:block}.wk-chat-main{height:100%;height:100dvh}.wk-chat-sidebar{position:fixed;top:0;bottom:0;left:0;z-index:3;width:min(310px,88vw);transform:translateX(-103%);transition:transform .2s ease;box-shadow:10px 0 38px #10211718}.wk-chat-app.history-open .wk-chat-sidebar{transform:none}.wk-chat-mobile-only{display:inline-flex}.wk-chat-brand .wk-chat-mobile-only{margin-left:auto}.wk-chat-history-delete{opacity:1}
  .wk-chat-header{min-height:56px;gap:5px;padding:0 10px}.wk-chat-heading strong{font-size:15px}.wk-chat-heading small{font-size:10px}.wk-chat-header #wk-open-sources span{display:none}.wk-chat-icon{min-width:34px;min-height:34px;padding:4px}.wk-chat-messages{padding:18px 14px 20px}.wk-chat-empty{min-height:68%;align-items:center;text-align:center}.wk-chat-empty h1{font-size:25px}.wk-chat-empty p{font-size:13px}.wk-chat-suggestions{width:100%;grid-template-columns:1fr;margin-top:22px}.wk-chat-suggestions button{min-height:42px;font-size:12px}
  .wk-chat-message{gap:9px;margin-bottom:23px}.wk-chat-avatar{width:25px;height:25px;border-radius:8px;font-size:12px}.wk-chat-bubble{max-width:calc(100% - 35px);font-size:14px;line-height:1.72}.wk-chat-message.user .wk-chat-bubble{max-width:86%;padding:9px 12px}.wk-chat-composer-wrap{padding:7px 10px max(10px,env(safe-area-inset-bottom))}.wk-chat-composer{border-radius:17px;padding:8px 8px 8px 13px}.wk-chat-composer textarea{font-size:16px}.wk-chat-hint{display:none}
  .wk-chat-source-sheet{top:auto;right:0;left:0;bottom:0;width:100%;max-height:78dvh;border-radius:19px 19px 0 0;box-shadow:0 -12px 40px #101c1a26}.wk-chat-source-sheet>header{min-height:54px}.wk-chat-source-sheet>div{padding-bottom:max(20px,env(safe-area-inset-bottom))}.wk-chat-toast{right:12px;bottom:max(80px,env(safe-area-inset-bottom));font-size:12px}
}
@media(prefers-reduced-motion:reduce){.wk-chat-app *{animation:none!important;transition:none!important}}