/* m24: graphite stage, cool paper, a small vermilion editorial mark. */
.bs-root{--bs-ink:#24252a;--bs-muted:#747680;--bs-line:#dcdde2;--bs-paper:#fbfbfd;--bs-red:#a83732;color:var(--bs-ink);font:14px/1.8 -apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei',sans-serif;box-sizing:border-box;text-align:left}
.bs-root *{box-sizing:border-box}.bs-root [hidden]{display:none!important}.bs-root :is(h2,h3,h4,p,blockquote,dl,dd){margin:0}.bs-root button{font-family:inherit;cursor:pointer;touch-action:manipulation}.bs-root :is(button,summary,a):focus-visible{outline:2px solid #b34a43;outline-offset:4px}.bs-root input,.bs-root textarea,.bs-root select{font-size:16px!important}
.bs-button{border:1px solid transparent;background:transparent;min-height:44px;padding:9px 14px;color:inherit;font-size:13px;line-height:1.6;border-radius:2px;font-weight:500}.bs-button:disabled{cursor:wait;opacity:.5}.bs-primary{background:#28292e;color:#fff;border-color:#28292e;padding:11px 22px}.bs-primary:hover:not(:disabled){background:#111216}.bs-quiet{border-color:#dcdde2;background:transparent}.bs-link{padding:8px 2px;text-decoration:underline;text-decoration-color:#b9bac2;text-underline-offset:5px}.bs-close{padding:7px 9px;color:var(--bs-muted);font-size:12px;min-width:44px}
.bs-eyebrow{font-size:11px;letter-spacing:2px;color:var(--bs-muted)}.bs-muted,.bs-note{font-size:12px;color:var(--bs-muted);line-height:1.8}.bs-note{margin-top:18px!important}.bs-status{font-size:13px;line-height:1.75;padding:12px 22px;background:#f0f0f4;border-top:1px solid var(--bs-line);flex:0 0 auto;overflow-wrap:anywhere}.bs-status[role=alert]{color:#8c302c;background:#fbefef}.bs-loading{font-size:14px;padding:35px 0;color:var(--bs-muted)}.bs-error-title{font-size:16px;padding:28px 0 18px}
.bs-overlay{position:fixed;inset:0;z-index:300;background:#121318bc;display:flex;align-items:center;justify-content:center;padding:24px;overflow:auto;overscroll-behavior:contain;backdrop-filter:blur(4px)}.bs-dialog{width:min(740px,100%);max-height:calc(100dvh - 48px);display:flex;flex-direction:column;min-width:0;overflow:hidden;background:var(--bs-paper);box-shadow:0 25px 90px #0005}.bs-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 22px;flex:0 0 auto;border-bottom:1px solid var(--bs-line)}.bs-dialog-title{font-size:13px;font-weight:500;letter-spacing:1px}.bs-dialog-content{padding:30px 32px;min-height:0;min-width:0;overflow-y:auto;overscroll-behavior:contain;overflow-wrap:anywhere}
.bs-intro{padding:0;background:#101115}.bs-intro .bs-dialog{width:100%;height:100%;max-height:100dvh;background:#15161a;color:#f8f8fb;box-shadow:none}.bs-intro .bs-dialog-head{border-color:#ffffff18;padding:15px max(22px,calc((100vw - 920px)/2));position:relative;z-index:2}.bs-intro .bs-close{color:#bbbcc7}.bs-intro .bs-dialog-content{display:flex;align-items:center;justify-content:center;padding:42px 24px}.bs-intro-scene{position:relative;isolation:isolate;width:min(760px,100%);padding:38px 0;min-height:min(540px,65dvh);display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.bs-intro-image{position:absolute;z-index:-2;inset:-40px -100px;width:calc(100% + 200px);height:calc(100% + 80px);object-fit:cover;opacity:.14;pointer-events:none}.bs-intro-scene:after{content:'';position:absolute;z-index:-1;inset:-45px -110px;background:linear-gradient(90deg,#15161ac9,#15161a28,#15161ac9);pointer-events:none}.bs-scene-index{font:12px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:2px;color:#bc6a62;margin-bottom:30px}.bs-intro .bs-eyebrow{color:#999ba9;margin-bottom:12px}.bs-intro-title{font-family:'Songti SC','SimSun',serif;font-size:clamp(28px,5vw,50px);font-weight:500;line-height:1.4;letter-spacing:4px;margin-bottom:30px!important}.bs-intro-text{font-size:17px;line-height:2.1;white-space:pre-wrap;max-width:590px;text-wrap:pretty;letter-spacing:.5px}.bs-scene-actions{display:flex;gap:18px;align-items:center;margin-top:38px}.bs-intro .bs-primary{background:#f3f3f7;border-color:#f3f3f7;color:#1f2025;min-width:135px}.bs-intro .bs-quiet{border-color:#5d5f6b;color:#cbccd4}.bs-intro .bs-status{background:#202126;border-color:#33343c;color:#e4e4eb}
.bs-support{border-top:1px solid #d9dae0;border-bottom:1px solid #d9dae0;padding:6px 0;margin:18px 0}.bs-support-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.bs-support-head .bs-link{font-size:12px;color:#5b5d68}.bs-hint{padding:20px 0 8px;position:relative;min-width:0}.bs-hint-level{display:block;font:12px ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--bs-red);letter-spacing:2px;margin-bottom:8px}.bs-hint h3{font-size:16px;font-weight:600;line-height:1.6;margin-bottom:12px}.bs-hint-text{font-size:14px;line-height:1.9;white-space:pre-wrap;max-width:620px}.bs-hint-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:22px}.bs-hint-nav .bs-quiet{font-size:12px;padding-inline:11px}.bs-hint-nav .bs-note{margin:0!important}.bs-hint-materials,.bs-report-materials{border-top:1px solid var(--bs-line);border-bottom:1px solid var(--bs-line);margin-top:20px;padding:3px 0}.bs-root summary{cursor:pointer;min-height:44px;padding:10px 0;font-size:13px;color:#555864}.bs-materials{padding:12px 0 18px}.bs-source{border-left:2px solid #bfc0c8;padding:0 0 0 13px;margin:15px 0}.bs-source strong{font-size:14px}.bs-source p{font-size:14px;line-height:1.85;white-space:pre-wrap}.bs-source small{color:var(--bs-muted);font-size:12px}
.bs-letter{position:relative;padding:8px 0 22px}.bs-letter-number{position:absolute;right:0;top:0;font:54px/1 Georgia,serif;color:#e6e6ed;pointer-events:none}.bs-letter h3{font-family:'Songti SC','SimSun',serif;font-size:27px;line-height:1.6;font-weight:600;margin-top:22px;max-width:85%}.bs-letter-byline{font-size:12px;color:#858792;margin:10px 0 30px!important}.bs-letter-text{font-size:15px;line-height:2.1;white-space:pre-wrap;border-left:1px solid #b94e46;padding-left:20px;max-width:620px}.bs-letter-actions{display:flex;gap:12px;justify-content:flex-end;align-items:center;flex-wrap:wrap;margin-top:35px}.bs-next-case{border-top:1px solid var(--bs-line);margin-top:35px;padding-top:22px}.bs-next-case h4{font-size:18px;margin:8px 0!important}.bs-next-case>p{font-size:14px;color:#696b76}
.bs-report-paper{position:relative;padding:8px 0 15px}.bs-report-title{font-family:'Songti SC','SimSun',serif;font-size:31px;line-height:1.5;font-weight:500;margin:14px 0 20px!important;letter-spacing:2px}.bs-red-rule{display:block;width:28px;height:2px;background:var(--bs-red);margin-bottom:28px}.bs-report-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;border-top:1px solid var(--bs-line);border-bottom:1px solid var(--bs-line);padding:18px 0;margin:0 0 30px!important}.bs-report-stats dt{font-size:11px;color:var(--bs-muted)}.bs-report-stats dd{font:27px/1.5 Georgia,serif;color:#33343c;margin-top:7px}.bs-report-paper h4{font-size:14px;font-weight:600;margin-bottom:12px}.bs-report-closure blockquote{font-size:15px;line-height:1.95;white-space:pre-wrap;border-left:1px solid #babcc5;padding-left:17px}.bs-report-closure small{font-size:12px;color:#8c8e99;display:block;margin-top:13px}.bs-report-places{margin-top:28px}.bs-report-places p{font-size:13px;line-height:1.9;color:#656773}.bs-report-paper>.bs-button{margin-top:25px}
.bs-dialog-content{overflow-x:hidden}.bs-letter-source{font-size:11px;letter-spacing:1px;color:#81838e;margin:-18px 0 24px!important}.bs-root .fi-attached-grid{display:grid;grid-template-columns:1fr;gap:15px}.bs-root :is(.fi-attached-photo,.fi-attached-statement,.fi-attached-archive){background:#fff!important;border:1px solid #dedee5!important;border-radius:1px!important;color:#34363e!important}.bs-root .fi-attached-photo figcaption{font-size:13px!important;color:#34363e!important}.bs-root :is(.fi-attached-photo>small,.fi-attached-statement>small,.fi-attached-archive>small){font-size:12px!important;color:#787a85!important}.bs-root :is(.fi-attached-statement,.fi-attached-archive) blockquote{font-size:14px!important;color:#34363e!important}.bs-root :is(.fi-attached-statement,.fi-attached-archive) summary{color:#34363e!important}.bs-root .fi-attached-statement summary strong{color:#34363e!important}.bs-root .fi-attached-statement summary span{color:#787a85!important}
.bs-letter-scene{font-size:14px;line-height:1.95;color:#747680;white-space:pre-wrap;margin-bottom:22px!important}.bs-echo-choices{display:grid;gap:0;border-top:1px solid var(--bs-line);margin-top:28px}.bs-echo-choice-button{border:0;border-bottom:1px solid var(--bs-line);padding:13px 0;min-height:48px;text-align:left;font-size:14px;color:#393b44;position:relative;padding-left:22px}.bs-echo-choice-button:before{content:'—';position:absolute;left:0;color:#a83732}.bs-echo-choice-button:hover:not(:disabled){background:#f0f0f5}.bs-echo-response{border-top:1px solid #c6c7cf;margin-top:27px;padding-top:20px}.bs-echo-response-title{font-size:12px;font-weight:500;color:#797b86;letter-spacing:1px}.bs-echo-choice{font-size:13px;color:#777984;margin:9px 0 20px!important}.bs-echo-followup{font-size:15px;line-height:2;white-space:pre-wrap;color:#30323b}
.bs-root .fi-crop{background:#202228}
@media(max-width:480px){.bs-overlay{padding:12px}.bs-dialog{max-height:calc(100dvh - 24px)}.bs-dialog-head{padding:10px 16px}.bs-dialog-content{padding:25px 20px}.bs-intro{padding:0}.bs-intro .bs-dialog{max-height:100dvh}.bs-intro .bs-dialog-content{padding:25px 26px}.bs-intro-scene{min-height:58dvh;padding:20px 0}.bs-intro-title{font-size:31px;letter-spacing:2px;margin-bottom:23px!important}.bs-intro-text{font-size:15px;line-height:2}.bs-scene-index{margin-bottom:23px}.bs-scene-actions{margin-top:30px;width:100%;justify-content:flex-end}.bs-letter h3{font-size:23px}.bs-letter-text{font-size:14px;line-height:2}.bs-letter-actions{justify-content:space-between}.bs-report-stats{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:17px}.bs-report-title{font-size:27px}.bs-report-closure blockquote{font-size:14px}.bs-status{padding-inline:17px}}
@media(max-height:500px){.bs-overlay{align-items:center;padding:10px}.bs-dialog{max-height:calc(100dvh - 20px)}.bs-dialog-head{padding-top:5px;padding-bottom:5px}.bs-dialog-content{padding-top:17px;padding-bottom:17px}.bs-intro{padding:0}.bs-intro .bs-dialog{max-height:100dvh}.bs-intro .bs-dialog-content{align-items:flex-start;padding:15px 30px}.bs-intro-scene{min-height:0;padding:10px 0}.bs-intro-title{font-size:26px;margin-bottom:14px!important}.bs-scene-index{margin-bottom:12px}.bs-scene-actions{margin-top:18px}.bs-intro-text{font-size:15px;line-height:1.85}}
@media(prefers-reduced-motion:no-preference){.bs-intro-text,.bs-letter-text{animation:bs-enter .28s ease-out}@keyframes bs-enter{from{opacity:.3;transform:translateY(4px)}to{opacity:1;transform:none}}}