html,body,ul,li,ol,dl,dd,dt,p,h1,h2,h3,h4,h5,h6,i,b,form,fieldset,legend,img{margin:0;padding:0;font-style:normal}fieldset,img{border:none}address,caption,cite,code,dfn,th,var{font-style:normal;font-weight:400}ul,ol{list-style:none;line-height:1.667}svg{outline:none}button{outline:none;border:none;-webkit-appearance:none;-moz-appearance:none;appearance:none}select,input,textarea{font-size:12px;margin:0;vertical-align:middle}svg{-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0}table{border-collapse:collapse}body{font:12px/22px Helvetica Neue,Helvetica,PingFang SC,Hiragino Sans GB,Microsoft YaHei,微软雅黑,Arial,sans-serif;-webkit-text-size-adjust:none;word-break:break-word}.clearfix:after{content:".";display:block;height:0;visibility:hidden;clear:both}.clearfix{zoom:1}strong{font-weight:700}body{--color-primary: #0066f5;--color-primary-hover: #4a59e5;--color-primary-light: #eef0ff;--color-body-background: transparent;--color-background: #fff;--color-background-draw: #fff;--color-background-sidebar: #eef1ff;--color-background-td: #fafbfc;--color-background-header: #fff;--color-background-soft: #fbfcff;--color-background-item-hover: #e5eaf6;--color-background-hover: #e5eaf6;--color-background-active-hover: #fff;--color-background-mute: transparent;--color-background-user: #f0f4fe;--color-background-roundLink: #ebeef2;--color-background-mask: rgba(255, 255, 255, .6);--color-text-roundLink: #666;--color-border: #dfe2e9;--color-border-hover: #d9d9e3;--color-text: #1f2430;--color-textb: #a6aab5;--color-text-secondary: #a6aab5;--color-text-third: #868a95;--color-text-inverse: #fff;--color-text-item-hover: var(--color-text);--color-link: var(--color-primary);--color-link-hover: var(--color-primary-hover);--color-error: #ff4d4f;--color-red-text: #a30000;--color-ai-p: #1f2430;--color-btn-primary: #fff;--color-svg-color: #525252;--color-icon-pro1: rgb(119, 92, 60);--color-icon-pro2: rgba(119, 92, 60, .5);--color-background-icon-pro: #fffaf3;--color-popover: #0f1115;--color-popover-secondary: #61666b;--color-redpot: #a30000;--loading-dot-bg: #fff;--loading-dot-active: #444;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px 0 rgba(0, 0, 0, .04);--shadow-lg: 0 10pxpx -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--border-radius-sm: 6px;--border-radius-md: 10px;--border-radius-lg: 14px;--border-radius-xl: 18px;--right-sidebar-width: 400px;--font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;--font-size-h1: 22px;--font-size-h2: 20px;--font-size-h3: 18px;--font-size-md: 16px;--font-size-sm: 14px;--color-code-keyword: #a626a4}body.sf-ai-mobile{--font-size-h1: 20px;--font-size-h2: 18px;--font-size-h3: 17px;--font-size-md: 16px;--font-size-sm: 14px}body.sf-app-dark,body.sf-ai-dark{--color-primary: #679efe;--color-primary-hover: #679efe;--color-primary-light: #2d2f42;--color-body-background: #1a1c1d;--color-background: #1a1c1d;--color-background-draw: #2a2a2a;--color-background-sidebar: #242424;--color-background-td: #1b1b1b;--color-background-header: #2c2c2e;--color-background-soft: #242424;--color-background-item-hover: #242424;--color-background-hover: #3d3d3d;--color-background-active-hover: #3d3d3d;--color-background-mute: transparent;--color-background-user: #333;--color-background-roundLink: #3d3d3d;--color-background-mask: rgba(25, 25, 25, .6);--color-text-roundLink: #999;--color-icon-pro1: rgb(212, 166, 110);--color-icon-pro2: rgba(212, 166, 110, .5);--color-border: #3e4159;--color-border-hover: #679efe;--color-text: #e8eaf6;--color-text-b: #e8eaf6;--color-text-secondary: #a0a3bd;--color-text-third: #868a95;--color-text-inverse: #1f2430;--color-text-item-hover: var(--color-text);--color-error: #ff6b6b;--color-red-text: rgb(253, 67, 49);--color-ai-p: #aeb0b3;--color-popover: #f9faffb;--color-popover-secondary: #cfd3d6;--color-code-keyword: #f690f4;--loading-dot-bg: #323232;--loading-dot-active: #fcfcfc;--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -2px rgba(0, 0, 0, .2);--filter-invert: invert(1) brightness(2)}*,*:before,*:after{-moz-box-sizing:border-box;box-sizing:border-box;margin:0;font-weight:400}::-webkit-scrollbar{width:5px;height:5px;background:transparent}::-webkit-scrollbar-thumb{background:#00000040;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:silver}body.sf-app-dark ::-webkit-scrollbar-thumb,body.sf-ai-dark ::-webkit-scrollbar-thumb{background:#555}body.sf-app-dark ::-webkit-scrollbar-thumb:hover,body.sf-ai-dark ::-webkit-scrollbar-thumb:hover{background:#777}body{min-height:100vh;min-height:100dvh;color:var(--color-text);background:var(--color-body-background);transition:color .3s,background-color .3s;line-height:1.6;font-family:var(--font-family);font-size:var(--font-size-md);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent;overflow:hidden}.w100{width:100%}.bold{font-weight:700}.feedback-modal .n-card-header{background-image:linear-gradient(180deg,#d9e4ff,#f9faff,#fff);border-radius:20px}body.sf-ai-dark .feedback-modal .n-card-header,body.sf-app-dark .feedback-modal .n-card-header{background-image:none}.flex{display:-webkit-flex;display:-moz-box;display:-ms-flexbox;display:flex}.flex-center{display:-webkit-flex;display:-moz-box;display:-ms-flexbox;display:flex;-webkit-align-items:center;-moz-box-align:center;-ms-flex-align:center;align-items:center;-webkit-justify-content:center;-moz-box-pack:center;-ms-flex-pack:center;justify-content:center}.justify-content-start{-webkit-justify-content:flex-start;-moz-box-pack:start;-ms-flex-pack:start;justify-content:flex-start}.justify-content-end{-webkit-justify-content:flex-end;-moz-box-pack:end;-ms-flex-pack:end;justify-content:flex-end}.align-items-center{-webkit-align-items:center;-moz-box-align:center;-ms-flex-align:center;align-items:center}.fdc{-webkit-flex-direction:column;-moz-box-orient:vertical;-moz-box-direction:normal;-ms-flex-direction:column;flex-direction:column}.flex1{-webkit-flex:1;-moz-box-flex:1;-ms-flex:1;flex:1}.ovh{overflow:hidden}.gap4{gap:4px}.gap5{gap:5px}.gap6{gap:6px}.gap8{gap:8px}.gap10{gap:10px}.gap12{gap:12px}.gap14{gap:14px}.gap16{gap:16px}.gap18{gap:18px}.gap20{gap:20px}.fade-enter-active,.fade-leave-active{transition:opacity .4s ease}.fade-enter-from,.fade-leave-to{opacity:0}.n-message-container{top:50%!important;left:50%!important;-webkit-transform:translate(-50%,-50%)!important;transform:translate(-50%,-50%)!important}code{white-space:break-spaces;word-break:break-all}body .n-dialog{border-radius:8px;-webkit-border-radius:8px;-moz-border-radius:8px;-ms-border-radius:8px;-o-border-radius:8px}body .katex-display>.katex{white-space:pre-wrap}body .n-image-preview{max-height:88vh;max-height:88dvh}body .n-image-preview-toolbar{bottom:80px;width:48px;padding:0;display:-webkit-flex;display:-moz-box;display:-ms-flexbox;display:flex;-webkit-justify-content:center;-moz-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-align-items:center;-moz-box-align:center;-ms-flex-align:center;align-items:center}body .n-image-preview-toolbar .n-base-icon{display:none}body .n-image-preview-toolbar .n-base-icon:last-child{display:block;padding:0}body .n-image-preview-overlay{background-color:#000000a6}.ai-content{color:var(--color-text);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Open Sans,Helvetica Neue,sans-serif,PingFangSC-Regular;font-size:var(--font-size-md);line-height:1.6;padding:1.4em 0 0}.ai-content em{font-style:normal}.ai-content a,.ai-content a:visited{color:var(--color-primary);text-decoration:none}.ai-content a:hover{text-decoration:underline}.ai-content ul,.ai-content ol{margin:1em 0;padding-left:20px;line-height:1.75}.ai-content li{line-height:1.75;margin:.8em 0}.ai-content ul>li{list-style:disc}.ai-content ul li ul li{list-style:circle}.ai-content ol>li{list-style:decimal}.ai-content hr{margin:1em 0 0;opacity:0}.ai-content h1,.ai-content h2,.ai-content h3,.ai-content h4{font-weight:700;margin-top:1.5em;margin-bottom:.5em}.ai-content h1{font-size:var(--font-size-h1)}.ai-content h2{font-size:var(--font-size-h2)}.ai-content h3{font-size:var(--font-size-h3)}.ai-content h4{font-size:var(--font-size-md);font-weight:600;margin-top:.5em}.ai-content h2+h3,.ai-content h3+h4{margin-top:0}.ai-content p{margin:0 0 1em;word-break:break-all;word-wrap:break-word;text-align:justify;color:var(--color-ai-p);line-height:1.8}.ai-content table{width:-webkit-max-content;width:-moz-max-content;width:max-content;max-width:-webkit-max-content;max-width:-moz-max-content;max-width:max-content;min-width:100%;border-collapse:separate;border-spacing:0;margin:16px 0;font-size:14px;border:1px solid var(--color-border);border-radius:var(--border-radius-md);overflow:hidden;-webkit-border-radius:var(--border-radius-md);-moz-border-radius:var(--border-radius-md)}.ai-content th{background-color:var(--color-background-td);padding:12px 16px;text-align:left;font-weight:600;color:var(--color-text);border-bottom:1px solid var(--color-border);word-break:break-word}.ai-content td{padding:12px 16px;border-bottom:1px solid var(--color-border);vertical-align:top;word-break:break-word;max-width:320px;min-width:100px;max-width:max(30vw,320px)}.ai-content-mobile td{max-width:100vw;min-width:auto}.ai-content tbody tr:last-child td{border-bottom:none}.steam-flash-dot{display:inline-block;width:8px;height:8px;background-color:var(--color-text);border-radius:8px;opacity:.5;vertical-align:3px;margin-left:.5em;animation:blink .8s steps(5,start) infinite;-webkit-animation:blink .8s steps(5,start) infinite;-webkit-border-radius:8px;-moz-border-radius:8px;-ms-border-radius:8px;-o-border-radius:8px}@keyframes blink{0%,50%{opacity:.5}51%,to{opacity:.1}}@-webkit-keyframes blink{0%,50%{opacity:.5}51%,to{opacity:.1}}.ai-content .iframe-wrap iframe{width:100%;aspect-ratio:4 / 3}.ai-table-container{overflow-x:auto}.ai-table-container::-webkit-scrollbar{height:5px}.ai-deep-content{padding:0}.ai-deep-content h1,.ai-deep-content h2,.ai-deep-content h3,.ai-deep-content h4{margin:.5em 0}.ai-content .ai-link-number,.ai-content .ai-link-number:visited,.ai-content .ai-link-number:hover{background:var(--color-background-roundLink);font-size:12px;color:var(--color-text-roundLink);margin-left:4px;border-radius:50%;display:-webkit-inline-flex;display:-moz-inline-box;display:-ms-inline-flexbox;display:inline-flex;-webkit-align-items:center;-moz-box-align:center;-ms-flex-align:center;align-items:center;-webkit-justify-content:center;-moz-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-flex-shrink:0;-ms-flex-negative:0;flex-shrink:0;-webkit-align-self:flex-start;-ms-flex-item-align:start;align-self:flex-start;line-height:1;white-space:nowrap;vertical-align:middle;text-decoration:none}.ai-content .ai-link-number span{padding:4px 6px;display:inline-block;color:var(--color-text-roundLink)!important}.ai-content .katex-display{overflow-y:hidden}.ai-summary{border:solid 1px #ccd8f5;background-color:#f0f4fe;padding:16px;border-radius:8px;-webkit-border-radius:8px;-moz-border-radius:8px;-ms-border-radius:8px;-o-border-radius:8px}.summary-header{display:-webkit-flex;display:-moz-box;display:-ms-flexbox;display:flex;gap:8px;font-size:var(--font-size-h3);line-height:1;-webkit-align-items:center;-moz-box-align:center;-ms-flex-align:center;align-items:center;margin-bottom:10px}.summary-header .dot img{width:24px;height:24px;display:block;border-radius:50%;-webkit-border-radius:50%;-moz-border-radius:50%;-ms-border-radius:50%;-o-border-radius:50%}.ai-mianze{margin-top:1em}.ai-content .app-link{margin:10px auto 0;display:-webkit-flex;display:-moz-box;display:-ms-flexbox;display:flex}.ai-content .app-link a{display:-webkit-flex;display:-moz-box;display:-ms-flexbox;display:flex;gap:16px;height:38px;-webkit-align-items:center;-moz-box-align:center;-ms-flex-align:center;align-items:center;padding:0 4px 0 14px;background:#0066f5;border-radius:35px;font-size:16px;color:#fff;font-weight:500}.ai-content .app-link a:hover{text-decoration:none;opacity:.8}.ai-content .app-link a:after{content:"";background:url(https://n.sinaimg.cn/finance/66ceb6d9/20260203/icon-arrow.png) no-repeat;width:30px;height:30px;background-size:cover}body.sf-app-dark .ai-summary,body.sf-ai-dark .ai-summary{background-color:#222;border-color:#333}del{text-decoration:none!important}.ai-summary p:last-child{margin-bottom:0}.md-code-block{margin:20px 0;background:var(--color-background-td);position:relative;font-size:var(--font-size-sm)}.md-code-header{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;position:-webkit-sticky;position:sticky;top:0;z-index:10;background:var(--color-background-header)}.md-code-header-body{display:-webkit-flex;display:-moz-box;display:-ms-flexbox;display:flex;-webkit-justify-content:space-between;-moz-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;-webkit-align-items:center;-moz-box-align:center;-ms-flex-align:center;align-items:center;padding:8px 16px;border:1px solid var(--color-border);color:var(--color-text);border-top-left-radius:8px;border-top-right-radius:8px;font-size:12px}.md-code-block pre{border:1px solid var(--color-border);background:var(--color-background-td);border-top:0;border-bottom-left-radius:8px;border-bottom-right-radius:8px;overflow:hidden}.md-lang{font-weight:600;text-transform:uppercase;color:var(--color-text)}.md-copy-btn{display:-webkit-flex;display:-moz-box;display:-ms-flexbox;display:flex;-webkit-align-items:center;-moz-box-align:center;-ms-flex-align:center;align-items:center;gap:6px;cursor:pointer;color:var(--color-text);transition:color .2s}.md-copy-btn:hover{color:var(--color-primary-hover)}.md-copy-btn svg{vertical-align:middle}pre .hljs{background-color:var(--color-background-td);color:var(--color-text)}body .hljs-doctag,body .hljs-keyword,body .hljs-formula{color:var(--color-code-keyword)}.ai-content-header p:last-child{margin-bottom:0}.shareImg-body .ai-iframe-container,.shareImg-body .text-copy,.shareImg-body iframe{display:none}.shareImg-body .content{font-size:28px!important;padding:24px 32px!important}.shareImg-body .btn-copy{padding-right:20px!important;margin-top:20px!important;background-color:transparent!important}.shareImg-body .btn-copy svg{width:34px!important;height:34px!important}.shareImg-body .think-wrap{height:80px!important;width:347px!important}.shareImg-body .think-header{padding:14px 30px!important}.shareImg-body .icon-xina{gap:13px!important;font-size:24px!important}.shareImg-body .icon-xina .dot,.shareImg-body .icon-xina .dot img{width:46px!important;height:46px!important}.shareImg-body .toggle-think .btn{width:36px!important;height:36px!important}.shareImg-body .ai-content{font-size:28px!important}.shareImg-body .ai-content ul,.shareImg-body .shareImg-body .ai-content ol{padding-left:38px!important}.shareImg-body .ai-content h1{font-size:34px!important}.shareImg-body .ai-content h2{font-size:32px!important}.shareImg-body .ai-content h3{font-size:30px!important}.shareImg-body .ai-content h4{font-size:28px!important}.shareImg-body .ai-content table{margin:30px 0!important;font-size:28px!important}.shareImg-body .ai-content th{padding:29px 28px!important}.shareImg-body .ai-content td{padding:12px 16px!important;max-width:660px!important;min-width:100px!important;max-width:max(30vw,660px)!important}.shareImg-body .ai-content .ai-link-number,.shareImg-body .ai-content .ai-link-number:visited,.shareImg-body .ai-content .ai-link-number:hover{font-size:24px!important;margin-left:8px!important;min-width:34px!important}.shareImg-body .ai-content .ai-link-number{display:none}.shareImg-body .ai-summary{padding:30px!important;border-radius:12px!important;-webkit-border-radius:12px!important;-moz-border-radius:12px!important;-ms-border-radius:12px!important;-o-border-radius:12px!important}.shareImg-body .summary-header{gap:14px!important;font-size:28px!important}.shareImg-body .summary-header .dot img{width:40px!important;height:40px!important}.shareImg-body .md-code-block{margin:36px 0!important;font-size:26px!important}.shareImg-body .md-code-header-body{padding:15px 30px!important;border-top-left-radius:14px!important;border-top-right-radius:14px!important;font-size:26px!important}.shareImg-body .md-code-block pre{border-bottom-left-radius:14px!important;border-bottom-right-radius:14px!important}.shareImg-body .md-copy-btn{gap:12px!important}.shareImg-body .ai-mianze{font-size:20px!important}body.sf-ai-dark .shareImg-body,body.sf-app-dark .shareImg-body{background-color:var(--color-background)}body.sf-ai-dark .mask:before,body.sf-app-dark .mask:before{background-image:url(https://n.sinaimg.cn/sina_client/66ceb6d9/20260119/share-mask-bg-dark.png)}body.sf-ai-dark .footer-wrap .footer,body.sf-app-dark .footer-wrap .footer{background-image:url(https://n.sinaimg.cn/finance/66ceb6d9/20260119/share-footer-dark.png)!important;background-color:var(--color-background)}body.sf-ai-dark .scan-text{background-color:var(--color-background)}body.sf-ai-mobile .message-area-scroll-body{padding:20px 16px}body.sf-ai-mobile .sub-step{padding:3px 16px 3px 10px;margin-bottom:8px}body.sf-ai-mobile .sub-step-title{padding:8px 0}body.sf-ai-mobile .sub-sub-content{padding:6px 0}body.sf-ai-mobile .ck-list li{margin-top:5px}body.sf-ai-mobile .widget-header{margin-bottom:0}body.sf-ai-mobile .share-page{padding:20px;margin:0;border-radius:0;-webkit-border-radius:0;-moz-border-radius:0;-ms-border-radius:0;-o-border-radius:0;min-height:100vh;min-height:100dvh}body.sf-ai-mobile .share-page .header{gap:10px}body.sf-ai-mobile .share-page .avatar{width:40px;height:40px;margin-right:8px}body.sf-ai-mobile .share-page .title-info .title{font-size:16px}body.sf-ai-mobile .share-page .title-info .date{font-size:12px}body.sf-ai-mobile .share-page .header-right{white-space:nowrap;font-size:12px;padding:5px 10px}body.sf-ai-mobile .expanded-content{padding:12px 10px}body.sf-ai-mobile .sidebar-footer{padding-top:0}body,#app{margin:0;font-family:var(--font-family);height:100vh;height:100dvh;width:100vw;overflow:hidden}