.chat-page{min-height:100dvh;background:#fbfcf9}.chat-header{height:76px;padding:0 32px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e7ebe2;background:#fbfcf9}.chat-header .brand{font-size:19px;letter-spacing:.5px}.chat-header .brand-mark{font-size:36px}.guide-link{font-size:12px;color:#78856d;margin-right:12px}.chat-header .account-register{padding:9px 18px}.chat-workspace{display:grid;grid-template-columns:228px minmax(0,1fr);height:calc(100svh - 76px);min-height:600px}.chat-sidebar{background:#f0f3eb;border-right:1px solid #e4e9de;padding:25px 16px 16px;display:flex;flex-direction:column;min-height:0}.new-chat{width:100%;justify-content:center;padding:13px;font-size:13px;background:#fff;color:var(--green);border-color:#d6e0ce}.new-chat:hover{background:#e5ecdd}.history{overflow:auto;flex:1;margin-top:26px;min-height:0}.history p{font-size:12px;color:#9aa48f;line-height:1.8;padding:0 7px}.history-item{display:flex;align-items:center;gap:3px;border-radius:7px;margin-bottom:5px}.history-item:hover,.history-item.selected{background:#e1e9d9}.history-open{border:0;background:none;min-width:0;flex:1;text-align:left;text-overflow:ellipsis;overflow:hidden;white-space:nowrap;color:#52644a;font-size:12px;padding:12px 9px}.history-delete{border:0;background:none;font-size:18px;color:#8b9980;padding:8px}.info-button{border:0;background:none;color:#87967b;padding:12px 6px;text-align:left;font-size:12px;align-self:start}.chat-main{display:flex;flex-direction:column;min-width:0;min-height:0;position:relative;background:#fff}.chat-topbar{height:62px;flex-shrink:0;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:15px}.chat-topbar #conversation-title{font-size:14px;font-weight:500;margin:0;max-width:70%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#718268}.chat-topbar #quota-label{font-size:12px;color:#8e9d82;white-space:nowrap;margin-left:auto}.chat-content{overflow:auto;min-height:0;padding:20px 36px;flex:1}.chat-welcome{max-width:600px;margin:clamp(35px,12vh,130px) auto 0;text-align:center}.chat-welcome .brand-mark{font-size:49px}.chat-welcome h2{font-family:'Noto Serif SC',serif;font-size:32px;font-weight:500;letter-spacing:1px;margin:23px 0 8px}.chat-bottom{max-width:850px;width:calc(100% - 72px);align-self:center;margin-bottom:clamp(60px,14vh,145px)}.has-messages .chat-bottom{margin-bottom:28px}.has-messages .suggestions{display:none}.composer{border:1px solid #d1dcc7;background:#fcfdf9;border-radius:17px;padding:17px 18px 12px;box-shadow:0 8px 35px #304b2110}.composer:focus-within{border-color:#819a6e;box-shadow:0 5px 30px #304b2112}.composer textarea{border:0;outline:0;background:none;width:100%;resize:none;height:70px;color:#35472d;font:14px/1.9 'Noto Sans SC','Microsoft YaHei',sans-serif;display:block}.composer textarea::placeholder{color:#99a58e}.composer-row{display:flex;align-items:center;justify-content:space-between;gap:12px}.composer-row select{max-width:60%;border:1px solid #dfe6d8;border-radius:20px;background:#f0f4e9;color:#566c48;padding:7px 26px 7px 12px;font:12px 'Noto Sans SC','Microsoft YaHei',sans-serif;cursor:pointer}.composer-actions{display:flex;align-items:center;gap:8px}.composer-actions .primary{font-size:12px;padding:9px 18px;border-radius:9px}.stop-chat{border:1px solid #d8e1d0;background:#fff;color:#6f805f;padding:9px 13px;border-radius:8px;font-size:12px}.suggestions{display:flex;justify-content:center;gap:10px;margin-top:20px}.suggestions button{border:1px solid #e6ebdf;border-radius:20px;background:#fff;color:#829172;padding:9px 16px;font-size:12px}.suggestions button:hover{background:#f1f5e9;border-color:#cbd9bf}.chat-notice{padding:9px 3px;color:#7c8b6e;font-size:12px;line-height:1.7;margin-bottom:9px}.chat-notice.error{color:#a15b44}.chat-notice button{border:0;background:none;color:var(--green);text-decoration:underline;margin-left:10px;font-size:12px}.message{display:flex;gap:13px;max-width:800px;margin:0 auto 26px}.message-avatar{display:grid;place-items:center;width:31px;height:31px;flex-shrink:0;border-radius:9px;background:#eaf0e3;color:var(--green);font-size:20px}.message.user .message-avatar{background:#f3eee5;color:#9a876d;font-size:12px}.message-body{min-width:0;flex:1}.message-label{display:flex;justify-content:space-between;font-size:12px;color:#839675;line-height:31px}.message-text{white-space:pre-wrap;overflow-wrap:anywhere;color:#34452c;font-size:14px;line-height:1.95;padding-top:5px}.message.user .message-text{background:#f2f5ec;border-radius:0 12px 12px;padding:12px 16px}.message-status{font-size:12px;color:#a17d56;margin-top:9px}.copy-message{border:0;background:none;color:#8e9d81;font-size:11px;cursor:pointer}.delete-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}.delete-confirm{background:#9b5542;border-color:#9b5542}.delete-confirm:hover{background:#844331}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}button:disabled{opacity:.45;cursor:not-allowed}#chat-info h2,.delete-dialog h2{font-size:22px}#chat-info p{font-size:13px}#auth-dialog .eyebrow,#auth-dialog .auth-subtitle{display:none}.chat-header .user-avatar{width:28px;height:28px}@media(max-width:900px){.chat-workspace{grid-template-columns:190px minmax(0,1fr)}.chat-header{padding:0 23px}.chat-content{padding:12px 24px}.chat-bottom{width:calc(100% - 48px)}.chat-welcome h2{font-size:28px}.chat-topbar{padding:0 24px}}@media(max-width:640px){.chat-header{height:65px;padding:0 18px;flex-wrap:nowrap;gap:12px}.chat-header .brand{font-size:17px;white-space:nowrap;gap:7px}.chat-header .brand-mark{font-size:29px}.account-area{gap:8px}.guide-link{display:inline;font-size:11px;margin-right:2px;white-space:nowrap}.chat-header .account-register{font-size:11px;padding:8px 12px}#user-name{max-width:64px}.chat-workspace{grid-template-columns:1fr;grid-template-rows:57px minmax(0,1fr);height:calc(100svh - 65px);min-height:540px}.chat-sidebar{padding:8px 13px;flex-direction:row;align-items:center;gap:9px;border-right:0;border-bottom:1px solid #e5eadf;min-width:0}.new-chat{width:auto;flex-shrink:0;font-size:12px;padding:8px 10px}.history{display:flex;gap:5px;overflow-x:auto;margin:0;min-width:0}.history p{display:none}.history-item{flex-shrink:0;max-width:145px;margin:0}.history-open{font-size:11px;padding:8px 6px}.history-delete{font-size:15px;padding:6px}.info-button{font-size:11px;padding:7px 3px;white-space:nowrap;margin-left:auto}.chat-topbar{height:42px;padding:0 18px}.chat-topbar #conversation-title{font-size:12px}.chat-topbar #quota-label{font-size:11px}.chat-welcome{margin-top:clamp(12px,7dvh,65px)}.chat-welcome h2{font-size:26px;margin-top:16px;letter-spacing:0}.chat-welcome .brand-mark{font-size:43px}.chat-content{padding:10px 16px}.chat-bottom{width:calc(100% - 32px);margin-bottom:clamp(28px,8dvh,78px)}.has-messages .chat-bottom{margin-bottom:15px}.composer{padding:14px 13px 11px;border-radius:14px}.composer textarea{font-size:14px;height:66px}.composer-row select{font-size:11px;max-width:58%;padding:7px 22px 7px 10px}.composer-actions .primary{font-size:11px;padding:9px 14px}.suggestions{gap:7px;margin-top:16px}.suggestions button{font-size:11px;padding:8px 11px}.message{gap:9px}.message-text{font-size:13px}.chat-notice{font-size:12px}}

html{scroll-behavior:smooth;scroll-padding-top:20px}
.chat-header .guide-link{color:var(--green);font-weight:500}
.chat-page .explore{padding-top:64px;padding-bottom:76px;border-top:1px solid #e1e7da}
.chat-page .explore .section-head{align-items:center;margin-bottom:30px}
.chat-page .explore .section-head h2{margin:0;font-size:30px}
.back-to-chat{font-size:13px;color:var(--green);white-space:nowrap}
@media(max-width:640px){.chat-header{gap:8px;padding:0 14px}.chat-header .brand{font-size:15px}.chat-header .brand-mark{font-size:26px}.chat-page .explore{padding-top:38px;padding-bottom:42px}.chat-page .explore .section-head{margin-bottom:24px}.chat-page .explore .section-head h2{font-size:25px}.back-to-chat{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}