.tutorial-topbar{--tutorial-header-font-size:20px;height:72px;background:linear-gradient(#18333e,#102630);border-color:#a28b5b;color:#eadbb7}
.tutorial-reading-section h4{font-size:16px;font-weight:500;color:#28564a;margin:20px 0 8px}.tutorial-reading-section p{font-size:14px;line-height:1.9;margin:0 0 14px;overflow-wrap:anywhere}
.tutorial-reader{max-width:800px;margin-inline:auto}.tutorial-reading-block{padding:18px 0 10px;border-top:1px solid #aa956444}.tutorial-reading-block h4{font-size:19px;margin:4px 0 18px;line-height:1.65;letter-spacing:1px}.tutorial-example{margin:18px 0 22px;padding:16px 20px 4px;border-left:3px solid #397d7477;background:#fff3}.tutorial-example h5{font-size:14px;color:#28564a;font-weight:600;line-height:1.7;margin:0 0 12px}.tutorial-formula{max-width:100%;margin:14px 0 18px;padding:14px 16px;background:#397d740a;border:1px solid #aa956433;border-radius:3px}.tutorial-formula figcaption{font-size:12px;line-height:1.7;margin-bottom:8px;color:#566659}.tutorial-example .tutorial-formula{background:#f7f0df66}.tutorial-reading-section p:last-child{margin-bottom:10px}
.tutorial-geometry{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:18px 0}.tutorial-geometry figure{min-width:0;margin:0;border:1px solid #aa956444;background:#f7f0df66;padding:10px}.tutorial-geometry figcaption{font-size:13px;line-height:1.7;color:#28564a}.tutorial-geometry svg{display:block;width:100%;height:auto}
.tutorial-geometry-triple{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr))}.tutorial-reading-section .tutorial-geometry-legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:12px;margin:16px 0 0}.tutorial-geometry-legend span:first-child{color:#285f55}.tutorial-geometry-legend span:last-child{color:#a34f4a}.tutorial-geometry-group .tutorial-geometry{margin-top:8px}
.tutorial-brand{display:flex;gap:12px;align-items:center;font-size:var(--tutorial-header-font-size);letter-spacing:3px;min-width:0}.tutorial-brand small{display:block;color:#c7c6b3;font-size:10px;letter-spacing:1px;margin-top:4px}.tutorial-topbar .button{color:#eadbb7}
.tutorial-topbar nav .button{font-size:var(--tutorial-header-font-size)}
.tutorial-hub{min-height:calc(100svh - 72px);padding:55px max(5%,calc((100% - 1040px)/2)) 45px;isolation:isolate;color:#ecdfbc}
/* A viewport-sized layer keeps the campus steady while the directory changes height. */
.tutorial-hub::before{content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(125deg,#102630a8,#183738bd),url('/assets/menu-bg-shanghaitech-campus-v2.png') center/cover no-repeat}
.tutorial-intro{max-width:760px}.tutorial-intro .eyebrow{color:#bfb993}.tutorial-intro h1{font-size:48px;font-weight:400;letter-spacing:10px;margin:20px 0}.tutorial-intro>p{font-size:15px;line-height:1.8;color:#d1d3c2}
.tutorial-chapter-toc{margin-top:18px;padding-left:8px;border-left:1px solid #397d743d}.tutorial-chapter-toc ol{list-style:none;padding:0;margin:0;display:grid;gap:3px}.tutorial-section-link{display:flex;align-items:baseline;gap:12px;width:100%;min-height:48px;padding:10px 12px;border:0;border-radius:3px;background:transparent;text-align:left;color:#28564a;font-size:18px;line-height:1.75}.tutorial-section-link span:last-child{min-width:0;overflow-wrap:anywhere}.tutorial-toc-marker{flex-shrink:0;color:#8c805d}.tutorial-section-link:hover{background:#397d7412}.tutorial-section-link:hover span:last-child{text-decoration:underline;text-underline-offset:3px}.tutorial-reading-section h4:focus{outline:none}.tutorial-reading-section h4:focus-visible{outline:2px solid #397d74;outline-offset:4px;border-radius:2px}
.tutorial-chapters{display:grid;gap:20px;max-width:900px}.tutorial-chapter{display:flex;gap:26px;padding:30px;background:linear-gradient(120deg,#f2e6cc,#dcccaa);color:#29413e;border:1px solid #ac9361;border-radius:5px;box-shadow:0 12px 35px #0003}.tutorial-chapter-number{font:40px Georgia;color:#9c854f;border-right:1px solid #aa95645c;padding-right:24px}.tutorial-chapter-copy{min-width:0;flex:1}.tutorial-chapter h2{font-size:24px;font-weight:400;letter-spacing:3px;margin:16px 0 12px}.tutorial-chapter p{font-size:14px;line-height:1.8;margin:0 0 12px}.tutorial-chapter small{color:#697469;font-size:11px}.tutorial-chapter-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.tutorial-footnote{font-size:12px;line-height:1.8;color:#bbc0aa;margin-top:25px}
.tutorial-reading-tabs{display:flex;flex-wrap:wrap;gap:8px;padding-bottom:18px;border-bottom:1px solid #aa956466}.tutorial-reading-tabs .button{font-size:12px;padding:9px 13px;letter-spacing:1px}.tutorial-reading-page{padding:28px 5px;min-height:300px}.tutorial-reading-page h3{font-size:24px;font-weight:400;letter-spacing:3px;margin:18px 0 26px}.tutorial-reading-page>p{font-size:15px;line-height:2;white-space:pre-line;overflow-wrap:anywhere}.tutorial-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:180px;color:#7c7966;border:1px dashed #aa956477;background:#f6edd75c;padding:25px;text-align:center}.tutorial-empty>span{font-size:32px;color:#a58e56}.tutorial-empty p{font-size:15px;letter-spacing:2px;margin:12px 0}.tutorial-empty small{font-size:12px}.tutorial-reader-footer{display:flex;align-items:center;justify-content:flex-end;gap:8px;border-top:1px solid #aa956466;padding-top:18px;flex-wrap:wrap}.tutorial-reader-footer>span{margin-right:auto;font-size:12px;color:#76765f}.tutorial-reader-footer .button{font-size:12px;letter-spacing:1px;padding:10px 14px}
.modal:has(.tutorial-reader){min-width:0;max-width:100%}.modal:has(.tutorial-reader) .modal-body{min-width:0}.tutorial-reader{min-width:0;width:100%}.tutorial-reference-table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.7;margin:12px 0 22px}.tutorial-reference-table th,.tutorial-reference-table td{border:1px solid #aa956466;text-align:left;padding:11px 13px;vertical-align:top;overflow-wrap:anywhere}.tutorial-reference-table thead{background:#b4a07533}.tutorial-reference-table tbody th{font-weight:500;min-width:100px;color:#28564a}.tutorial-table-wrap{max-width:100%;overflow-x:auto}.tutorial-callout{padding:14px 18px;border-left:3px solid #397d74;background:#397d7410;font-size:13px;line-height:1.9;margin:20px 0 0;white-space:pre-line}.tutorial-reading-page:focus{outline:none}
@media(max-width:760px){.tutorial-topbar{--tutorial-header-font-size:18px;height:auto;min-height:64px;padding:12px;gap:10px}.tutorial-brand{letter-spacing:2px}.tutorial-brand small{font-size:9px;max-width:150px}.tutorial-topbar nav .button{padding:8px 6px}.tutorial-hub{padding:35px 18px;min-height:calc(100svh - 64px)}.tutorial-intro h1{font-size:36px;margin:15px 0}.tutorial-intro>p{font-size:13px}.tutorial-chapter{gap:14px;padding:22px 16px}.tutorial-chapter-number{font-size:27px;padding-right:14px}.tutorial-chapter h2{font-size:21px;letter-spacing:1px}.tutorial-chapter p{font-size:12px}.tutorial-chapter-actions{gap:8px;margin-top:20px}.tutorial-chapter-actions .button{font-size:12px;padding:10px 12px;letter-spacing:1px}.tutorial-reading-page{min-height:270px;padding:23px 0}.tutorial-reading-page h3{font-size:21px}.tutorial-reader-footer .button{padding:9px 10px;font-size:11px}}
@media(max-width:760px){.tutorial-reading-tabs{flex-wrap:nowrap;overflow-x:auto;padding:0 0 12px;gap:4px}.tutorial-reading-tabs .button{flex-shrink:0;font-size:11px;padding:8px 10px}.tutorial-reference-table{font-size:11px;line-height:1.7}.tutorial-reference-table th,.tutorial-reference-table td{padding:9px 8px}.tutorial-reference-table tbody th{min-width:75px}.tutorial-reading-page>p{font-size:14px;line-height:1.95}.tutorial-callout{font-size:12px;padding:12px 14px}}
@media(max-width:760px){.tutorial-reading-block h4{font-size:17px;letter-spacing:0}.tutorial-example{padding:14px 12px 4px}.tutorial-formula{padding:12px 10px}}
@media(max-width:600px){.tutorial-geometry{grid-template-columns:minmax(0,1fr);gap:12px}.tutorial-geometry figcaption{font-size:12px}}
@media(max-width:760px){.tutorial-geometry-triple{grid-template-columns:minmax(0,1fr)}}
@media(max-width:760px){.tutorial-chapter-toc{padding-left:3px;margin-top:14px}.tutorial-section-link{min-height:48px;padding:10px 8px;font-size:16px;gap:8px}}

/* Keep chapter headings compact while their contents are folded. */
.tutorial-hub{padding-top:30px;padding-bottom:30px}.tutorial-intro h1{font-size:36px;margin:14px 0}.tutorial-chapters{gap:10px}.tutorial-chapter{gap:20px;padding:16px 20px;align-items:flex-start}.tutorial-chapter-number{font-size:30px;line-height:44px;padding-right:18px}.tutorial-chapter h2{margin:0;font-size:22px;letter-spacing:1px}.tutorial-chapter-title{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;min-height:44px;padding:5px 0;border:0;background:transparent;font:inherit;letter-spacing:inherit;line-height:1.5;text-align:left;color:inherit}.tutorial-chapter-title>span:first-child{min-width:0;overflow-wrap:anywhere}.tutorial-chapter-title:hover{color:#397d74}.tutorial-chapter-chevron{flex-shrink:0;font-size:24px;color:#8c805d;transition:transform 283.333ms ease}.tutorial-chapter-title[aria-expanded="true"] .tutorial-chapter-chevron{transform:rotate(90deg)}

/* The moving scroll lip spans the whole sheet, including its chapter number. */
.tutorial-chapter,.tutorial-reading-modal{--tutorial-unroll-duration:916.667ms;--tutorial-roll-duration:750ms}
.tutorial-chapter{position:relative;overflow:hidden;isolation:isolate}
.tutorial-chapter-panel{position:relative;overflow:hidden}.tutorial-chapter-panel[hidden]{display:none}
.tutorial-chapter-paper{position:relative;padding:26px 0 8px;display:flow-root}.tutorial-chapter-paper::before{content:'';position:absolute;top:12px;left:0;right:0;border-top:1px solid #aa956444}
.tutorial-chapter::before,.tutorial-chapter::after,.tutorial-reading-roll::before,.tutorial-reading-roll::after{content:'';position:absolute;left:0;right:0;bottom:0;pointer-events:none;opacity:0;z-index:1}
.tutorial-chapter::before,.tutorial-reading-roll::before{height:52px;background:linear-gradient(transparent,#b4996433 60%,#78603e59);transform-origin:bottom}
.tutorial-chapter::after,.tutorial-reading-roll::after{height:21px;border:1px solid #b59a63;border-radius:12px / 9px;background:linear-gradient(#d4bd8c,#f7e9c7 22%,#fff2d4 38%,#e0c99a 57%,#ae8d55 78%,#dbc293);box-shadow:0 -9px 15px #6b51292b,inset 12px 0 8px -7px #80623799,inset -12px 0 8px -7px #80623799}
.tutorial-chapter-panel.is-unrolling,.tutorial-chapter-panel.is-rolling{will-change:height}
.tutorial-chapter:has(.is-unrolling)::before,.tutorial-chapter:has(.is-unrolling)::after,.tutorial-reading-modal.is-unrolling .tutorial-reading-roll::before,.tutorial-reading-modal.is-unrolling .tutorial-reading-roll::after{animation:tutorial-scroll-lip var(--tutorial-unroll-duration) ease both}
.tutorial-chapter:has(.is-rolling)::before,.tutorial-chapter:has(.is-rolling)::after,.tutorial-reading-modal.is-rolling .tutorial-reading-roll::before,.tutorial-reading-modal.is-rolling .tutorial-reading-roll::after{animation:tutorial-scroll-lip var(--tutorial-roll-duration) ease both}
.tutorial-reading-modal{position:relative;overflow:hidden;isolation:isolate}.tutorial-reading-roll{position:absolute;left:0;right:0;top:0;height:52px;z-index:2;pointer-events:none}.tutorial-reading-modal.is-unrolling,.tutorial-reading-modal.is-rolling{will-change:clip-path}
@keyframes tutorial-scroll-lip{0%{opacity:0;transform:translateY(5px)}6%,90%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(2px)}}
@media(max-width:760px){.tutorial-hub{padding-top:24px;padding-bottom:28px}.tutorial-chapter{padding:14px 16px;gap:12px}.tutorial-chapter-number{font-size:26px;padding-right:12px}.tutorial-chapter h2{font-size:20px}.tutorial-chapter-title{gap:10px}.tutorial-chapter-paper{padding-top:22px}.tutorial-chapter-paper::before{top:10px}}
@media(prefers-reduced-motion:reduce){.tutorial-chapter-chevron{transition:none}.tutorial-chapter::before,.tutorial-chapter::after,.tutorial-reading-roll{display:none;animation:none}}

/* A single warm, fibrous sheet for the directory and reading window. */
.tutorial-chapter,.tutorial-reading-modal{
  color:#49371f;
  border-color:#9b713f;
  background-color:#ead5aa;
  background-image:url('/assets/tutorial-parchment-grain.png'),
    radial-gradient(ellipse at 4% 8%,#81501c2e,transparent 36%),
    radial-gradient(ellipse at 97% 92%,#82501b33,transparent 40%),
    radial-gradient(ellipse at 38% 28%,#fff6d74d,transparent 55%),
    linear-gradient(95deg,#b78c4e38,#f6e5bd40 8%,#e6c38b30 48%,#f2dfb33b 92%,#a7743540);
  box-shadow:0 16px 40px #0005,inset 0 0 0 1px #f7e5b980,inset 0 0 28px #784a182b;
}
.tutorial-chapter{border-radius:5px 8px 6px 9px / 8px 5px 9px 6px}
.tutorial-chapter-number{color:#96723d;border-color:#9f793d55}.tutorial-chapter p{color:#705331}.tutorial-chapter-title:hover{color:#835a29}.tutorial-chapter-chevron,.tutorial-toc-marker{color:#94703c}.tutorial-section-link{color:#5b4328}.tutorial-section-link:hover{background:#9b6d3014}.tutorial-chapter-toc{border-color:#9b773a4d}.tutorial-chapter-paper::before{border-color:#a67b424d}
.tutorial-reading-modal .modal-heading{background:linear-gradient(#af7c362b,#f1d9a61a);border-bottom:1px solid #9c713e66;box-shadow:0 2px 5px #a5793a16}
.tutorial-reading-modal .modal-heading h2{color:#5b4023}.tutorial-reading-modal .modal-heading button{color:#80603a}.tutorial-reading-modal .modal-heading button:hover{color:#4e3219}.tutorial-reading-modal .eyebrow{color:#896338}
.tutorial-reading-modal .tutorial-reading-page h3,.tutorial-reading-modal .tutorial-reading-section h4,.tutorial-reading-modal .tutorial-example h5{color:#52391f}.tutorial-reading-modal .tutorial-reading-section h4:focus-visible{outline-color:#8a693b}
.tutorial-reading-modal .tutorial-reading-block,.tutorial-reading-modal .tutorial-reader-footer{border-color:#a67b424d}
.tutorial-reading-modal .tutorial-formula{background:#fff2ce33;border-color:#a67c474d;box-shadow:inset 0 1px #fff9df66}.tutorial-reading-modal .tutorial-formula figcaption{color:#806039}.tutorial-reading-modal .tutorial-example{background:#fff0c52b;border-color:#9e773f99}.tutorial-reading-modal .tutorial-example .tutorial-formula{background:#f8e7c34d}.tutorial-reading-modal .tutorial-geometry figure{background:#f7e4bd55;border-color:#a67c474d}
.tutorial-chapter-actions .button.primary,.tutorial-reader-footer .button.primary{background:linear-gradient(#705737,#503d27);border-color:#987441;color:#f5e6c5;box-shadow:inset 0 1px #e8d6a82b,0 3px 0 #49321d55}.tutorial-chapter-actions .button.primary:hover,.tutorial-reader-footer .button.primary:hover{background:linear-gradient(#876942,#634a2d);border-color:#b38b50}
.tutorial-chapter::after,.tutorial-reading-roll::after{border-color:#9f7745;background-image:url('/assets/tutorial-parchment-grain.png'),linear-gradient(#b99864,#e3c58b 18%,#f3dfad 38%,#dfbd83 57%,#ad8249 78%,#d7b47a);box-shadow:0 -9px 15px #6b51292b,inset 12px 0 8px -7px #80623799,inset -12px 0 8px -7px #80623799}

/* Fixed-size nicks and torn corners stay natural on both short and long sheets. */
.tutorial-chapter,.tutorial-reading-modal{
  border-color:transparent;
  border-radius:0;
  -webkit-mask-image:url('/assets/tutorial-parchment-edge.svg');
  mask-image:url('/assets/tutorial-parchment-edge.svg');
  -webkit-mask-size:100% 100%;
  mask-size:100% 100%;
  -webkit-mask-repeat:no-repeat;
  mask-repeat:no-repeat;
  box-shadow:inset 0 0 24px #784a1838,inset 0 0 4px #70441a40;
}
.tutorial-parchment-wear{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(ellipse 74px 15px at 17% 0,#79502045,transparent),
    radial-gradient(ellipse 42px 12px at 71% 0,#8d5a2840,transparent),
    radial-gradient(ellipse 58px 17px at 82% 100%,#71451945,transparent),
    radial-gradient(ellipse 36px 12px at 27% 100%,#8e602c45,transparent),
    linear-gradient(90deg,#784c2433,transparent 11px,transparent calc(100% - 12px),#784c243b);
  background-repeat:no-repeat;
}
.tutorial-parchment-wear::before,.tutorial-parchment-wear::after{content:'';position:absolute;background:url('/assets/tutorial-parchment-curl.png') center/100% 100% no-repeat;pointer-events:none}
.tutorial-parchment-wear::before{top:-1px;left:-1px;width:27px;height:24px;transform:rotate(180deg);opacity:.65}
.tutorial-parchment-wear::after{right:1px;bottom:1px;width:48px;height:42px;opacity:.9}
.tutorial-chapter:nth-child(3n+2) .tutorial-parchment-wear{background-position:19px 0,-27px 0,23px 0,-12px 0,0 0}
.tutorial-chapter:nth-child(even){-webkit-mask-image:url('/assets/tutorial-parchment-edge-alt.svg');mask-image:url('/assets/tutorial-parchment-edge-alt.svg')}
.tutorial-chapter:nth-child(3n+2) .tutorial-parchment-wear::after{right:auto;left:0;width:36px;height:31px;transform:scaleX(-1);opacity:.75}
.tutorial-chapter:nth-child(3n) .tutorial-parchment-wear::before{left:auto;right:0;width:22px;height:19px;transform:scaleY(-1);opacity:.45}
.tutorial-chapter:nth-child(3n) .tutorial-parchment-wear::after{width:39px;height:34px;opacity:.7}
.tutorial-chapter:has(.is-unrolling) .tutorial-parchment-wear::after,.tutorial-chapter:has(.is-rolling) .tutorial-parchment-wear::after,.tutorial-reading-modal.is-unrolling .tutorial-parchment-wear::after,.tutorial-reading-modal.is-rolling .tutorial-parchment-wear::after{opacity:0}
.tutorial-reading-modal .modal-heading{border-bottom-color:#9c713e40;background:linear-gradient(#af7c361a,#f1d9a60a)}
@media(max-width:760px){.tutorial-parchment-wear::after{width:35px;height:31px}.tutorial-parchment-wear::before{width:23px;height:20px}}

/* Keep the underlying paper cached instead of filtering the full viewport each frame. */
.modal-backdrop:has(.tutorial-reading-modal){backdrop-filter:none;-webkit-backdrop-filter:none;background:#07121ee6}

/* Keep subsection navigation available while the reading body scrolls. */
.tutorial-reading-modal>.modal-heading{flex-shrink:0}
.tutorial-reading-modal>.modal-body{min-height:0}
.tutorial-reading-modal>.tutorial-reader-footer{flex-shrink:0;padding:14px 35px 20px;background:#ead5aa66}
.tutorial-reading-modal>.tutorial-reader-footer .button{min-height:44px}
.tutorial-reading-modal>.tutorial-reader-footer .button:disabled{opacity:.4}
@media(max-width:760px){.tutorial-reading-modal>.tutorial-reader-footer{padding:10px 20px 16px;gap:6px}}

/* TeX fonts are bundled locally. Wide equations scroll inside their own box. */
.tutorial-math-inline .katex{font-size:1.08em;line-height:normal;letter-spacing:0;white-space:normal}
.tutorial-math-display{max-width:100%;min-width:0;overflow-x:auto;overflow-y:hidden;padding:6px 2px 10px;font-size:17px;line-height:1.5;overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:#a18352 transparent}
.tutorial-math-display .katex-display{width:max-content;min-width:100%;margin:.25em 0;text-align:center}
.tutorial-math-display .katex{font-size:1em;letter-spacing:0;white-space:nowrap}
.tutorial-math-display .katex .cjk_fallback{font-family:"Songti SC","STSong","Noto Serif CJK SC",serif}
.tutorial-math-display:focus-visible{outline:2px solid #8a693b;outline-offset:4px}
.tutorial-math-error{color:#a43422;font-family:monospace;overflow-wrap:anywhere}
@media(max-width:760px){.tutorial-math-display{font-size:16px;padding-block:5px 9px}.tutorial-math-inline .katex{font-size:1.06em}}

/* Frames selected from the supplied 3Blue1Brown videos. */
.tutorial-video-frame{margin:18px 0 24px;max-width:100%;border:1px solid #a67c4755;border-radius:4px;overflow:hidden;background:#0c1118}
.tutorial-video-frame img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}
.tutorial-video-frame figcaption{display:block;background:#f6edda;color:#514a39;padding:11px 14px;font-size:13px;line-height:1.85}
.tutorial-video-frame figcaption>span{display:block}
.tutorial-video-frame figcaption>small{display:block;font-size:10px;line-height:1.7;color:#857761;margin-top:5px}

.tutorial-video-demo video{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain;background:#050505}
.tutorial-video-actions{display:flex;align-items:center;gap:8px;padding:10px 12px;flex-wrap:wrap;background:#e9dec5;border-bottom:1px solid #a67c4744}
.tutorial-video-actions button{padding:7px 13px;border:1px solid #a88a58;border-radius:4px;background:#fff8e8;color:#51412b;font:inherit;font-size:13px;line-height:1.4;cursor:pointer}
.tutorial-video-actions button:hover{background:#f6e6bc}
.tutorial-video-actions button:focus-visible{outline:2px solid #8b5c2c;outline-offset:2px}
.tutorial-video-actions span{font-size:11px;color:#817157;margin-left:auto}
.tutorial-video-error{padding:10px 14px;color:#9c3c28;background:#fff0de;font-size:13px}
.tutorial-video-error[hidden]{display:none}

.tutorial-video-demo video::cue{font-size:16px;color:#fff;background:rgba(0,0,0,.78)}

/* Content diagrams use the same TeX renderer and remain editable in the copy. */
.tutorial-flow{margin:20px 0 24px;padding:14px;border:1px solid #a67c4755;border-radius:4px;background:#fff0ce40;max-width:100%;min-width:0}
.tutorial-flow>figcaption{font-size:14px;font-weight:600;color:#644727;margin:0 0 16px}
.tutorial-flow-chain{display:grid;grid-template-columns:minmax(0,1fr) 34px minmax(0,1fr) 34px minmax(0,1fr);gap:4px;align-items:stretch}
.tutorial-flow-split{display:grid;grid-template-columns:minmax(0,1fr) 58px minmax(0,1.25fr);grid-template-rows:auto auto;gap:14px 5px;align-items:stretch}
.tutorial-flow-split .tutorial-flow-node-0{grid-column:1;grid-row:1/3;justify-content:center}
.tutorial-flow-split .tutorial-flow-link-0{grid-column:2;grid-row:1}.tutorial-flow-split .tutorial-flow-node-1{grid-column:3;grid-row:1}
.tutorial-flow-split .tutorial-flow-link-1{grid-column:2;grid-row:2}.tutorial-flow-split .tutorial-flow-node-2{grid-column:3;grid-row:2}
.tutorial-flow-node{display:flex;flex-direction:column;min-width:0;padding:12px 9px;border:1px solid #96856877;border-radius:5px;background:#fff7e780;text-align:center}
.tutorial-flow-node h6{font-family:inherit;font-size:13px;font-weight:600;line-height:1.7;margin:0;color:#5d492f}
.tutorial-flow-node p{font-size:12px!important;line-height:1.85!important;margin:8px 0 0!important;color:#66533b}
.tutorial-flow-node .tutorial-math-display{font-size:14px;padding:6px 0;max-width:100%}
.tutorial-flow-loss{border-color:#a85a4b80;background:#b45d4814}.tutorial-flow-kept{border-color:#397d7480;background:#397d7414}
.tutorial-flow-link{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:0;color:#7c633d}
.tutorial-flow-link span{font-size:11px;line-height:1.65;text-align:center;overflow-wrap:anywhere;max-width:100%}
.tutorial-flow-link b{font:normal 28px/1.2 serif}
.tutorial-flow-caption{font-size:13px!important;line-height:1.9!important;margin:15px 0 0!important;color:#655137}
@media(max-width:430px){.tutorial-flow{padding:11px}.tutorial-flow-chain{grid-template-columns:minmax(0,1fr);gap:8px}.tutorial-flow-chain .tutorial-flow-link{min-height:40px}.tutorial-flow-chain .tutorial-flow-link b{transform:rotate(90deg)}.tutorial-flow-split{grid-template-columns:minmax(0,1fr) 38px minmax(0,1.2fr)}.tutorial-flow-node{padding:10px 6px}}