.math-site{--mm-teal:#177c73;--mm-navy:#142e39;--mm-muted:#61737a;--mm-line:#dce8e8;padding-bottom:48px;overflow-wrap:anywhere}
.math-site *{box-sizing:border-box}.math-site h1,.math-site h2,.math-site h3{color:var(--mm-navy);line-height:1.45}.math-site p{line-height:1.85;color:var(--mm-muted)}.math-site a{color:var(--mm-teal)}.math-site a:hover{text-decoration:underline;text-underline-offset:4px}.math-site button,.math-site input,.math-site select,.math-site textarea{font:inherit}.math-site :focus-visible{outline:3px solid #d4a43c;outline-offset:4px}.math-site [hidden]{display:none!important}
.mm-subnav{display:flex;gap:7px;flex-wrap:wrap;border-bottom:1px solid var(--mm-line);padding:16px 0;margin-bottom:28px}.mm-subnav a{font-size:14px;border-radius:10px;padding:9px 16px;color:#627879}.mm-subnav a[aria-current=page]{background:#e2f3ed;color:#14695c;font-weight:700}.mm-eyebrow{font-size:11px;letter-spacing:2px;font-weight:800;color:#28877c}.mm-hero{display:grid;grid-template-columns:1.3fr 1fr;gap:30px;padding:44px 48px;background:#163a40;border-radius:25px;overflow:hidden;position:relative}.mm-hero h1{color:#f6fcf9;font-size:clamp(36px,4.5vw,56px);line-height:1.2;margin:18px 0}.mm-hero em{font-style:normal;color:#a4e6b9}.mm-hero p{color:#bed1cf;font-size:15px}.mm-hero .mm-eyebrow{color:#99c9bc}.mm-hero-search{display:flex;border:1px solid #658a86;background:#fff;border-radius:12px;padding:5px;max-width:570px;margin-top:22px}.mm-hero-search input{width:100%;min-width:0;border:0;border-radius:8px;padding:10px;background:transparent;font-size:13px}.mm-hero-search button{white-space:nowrap;border:0;border-radius:8px;background:#e2eea4;color:#193a35;padding:10px 16px;cursor:pointer;font-size:13px;font-weight:700}.mm-hero-tags{display:flex;gap:16px;margin-top:15px;flex-wrap:wrap}.mm-hero-tags a{font-size:12px;color:#bbd4ca}
.mm-hero-diagram{position:relative;display:flex;align-items:center;justify-content:center;min-height:300px}.mm-orbit{width:240px;height:240px;border:1px solid #698d7e88;border-radius:50%;transform:rotate(-25deg);box-shadow:0 0 0 40px #476c6018,0 0 0 80px #476c6012}.mm-symbol{position:absolute;font-family:Georgia,serif;font-size:130px;color:#d7edb0;transform:rotate(-10deg)}.mm-node{position:absolute;border:1px solid #6a9686;border-radius:10px;padding:10px 16px;background:#254d4e;color:#e0ede6;font-size:13px;box-shadow:0 8px 20px #08262c33}.mm-node.n1{left:0;top:40px}.mm-node.n2{right:0;top:145px;background:#dce9ac;color:#274c3e}.mm-node.n3{left:15px;bottom:40px}.mm-hero-diagram small{position:absolute;bottom:0;color:#9eb7a8;font-size:9px;letter-spacing:2px}
.mm-counts{display:grid;grid-template-columns:repeat(4,1fr);padding:24px 0;margin:8px 0 20px;border-bottom:1px solid var(--mm-line)}.mm-counts div{display:flex;align-items:baseline;gap:14px;padding:0 24px;border-right:1px solid var(--mm-line)}.mm-counts div:last-child{border:0}.mm-counts strong{font-size:34px;color:#244f4d;font-variant-numeric:tabular-nums}.mm-counts span{font-size:12px;color:#6b807c}.mm-paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.mm-paths>a{padding:24px;border:1px solid #d9e6e2;border-radius:17px;background:#ecf4ec}.mm-paths>a:nth-child(2){background:#eef1fb}.mm-paths>a:nth-child(3){background:#fff3e2}.mm-paths span{font-size:10px;letter-spacing:1.5px;font-weight:800}.mm-paths h2{font-size:19px;margin:16px 0 8px}.mm-paths h2 b{float:right;font-weight:400}.mm-paths p{font-size:13px;margin:0}.mm-paths a:hover{transform:translateY(-3px);text-decoration:none;box-shadow:0 8px 22px #183e3710}.mm-section-head{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:32px 0 16px}.mm-section-head h2{font-size:22px;margin:5px 0 0}.mm-section-head a{font-size:13px}.mm-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.mm-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.mm-card{border:1px solid var(--mm-line);border-radius:16px;background:#fff;min-width:0;box-shadow:0 2px 6px #243b3b04}.mm-pad{padding:24px}.mm-card h2{font-size:18px;margin:0 0 14px}.mm-card h3{font-size:15px;margin:4px 0 12px}.mm-card p{font-size:14px}.mm-model-card,.mm-problem-card{padding:22px;display:flex;flex-direction:column;transition:box-shadow .15s,transform .15s}.mm-model-card:hover,.mm-problem-card:hover{box-shadow:0 8px 24px #2849360d;transform:translateY(-2px)}.mm-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.mm-category{font-size:11px;padding:5px 9px;border-radius:6px;background:#e9f3f0;color:#1b756a;display:inline-block}.mm-model-card h2 a,.mm-problem-card h2 a{color:var(--mm-navy)}.mm-model-card p,.mm-problem-card p{font-size:13px;margin:0 0 18px}.mm-tags{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 20px}.mm-tags span{font-size:11px;color:#637b7b;background:#f0f5f5;padding:4px 9px;border-radius:6px}.mm-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;padding-top:16px;border-top:1px solid #edf1f0;font-size:11px}.mm-card-bottom span{color:#7c8d90}.mm-card-bottom a{font-weight:600}.mm-problem-code{font-size:22px;font-family:Georgia,serif;color:#9aacaa}.mm-note{padding:22px 25px;margin:26px 0;background:#eef4f1;border:1px solid #d6e6df;border-radius:14px;color:#5d756a;font-size:13px;line-height:1.9}.mm-note h2{font-size:18px}.mm-page-head{margin:32px 0 26px}.mm-page-head h1{font-size:clamp(28px,3.3vw,38px);margin:10px 0}.mm-page-head p{max-width:820px;font-size:14px}.mm-filter{display:flex;align-items:end;gap:12px;padding:20px;background:#fff;border:1px solid var(--mm-line);border-radius:15px;flex-wrap:wrap}.mm-filter>div{min-width:100px;flex:1}.mm-filter .mm-search-field{flex:2;min-width:210px}.mm-filter label{display:block;font-size:12px;color:#607875;margin-bottom:8px}.mm-filter input,.mm-filter select,.math-site textarea{width:100%;border:1px solid #d6e2df;border-radius:8px;padding:10px 12px;background:#fbfdfc;color:#263d3a;min-height:42px}.mm-filter input{font-size:14px}.mm-button{display:inline-flex;justify-content:center;align-items:center;gap:6px;border:1px solid #c6dcd2;border-radius:9px;padding:10px 15px;background:#fff;color:#276757;font-size:13px!important;cursor:pointer;min-height:42px}.math-site .mm-button.primary{background:#1f7867;color:#fff;border-color:#1f7867}.mm-reset{font-size:13px;padding:11px 3px}.mm-active{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.mm-chip{background:#e7f1ec;border-radius:7px;padding:5px 9px;font-size:12px}.mm-result-count{font-size:13px;margin:20px 0}.mm-result-count strong{font-size:17px;color:#235f52}.mm-empty{text-align:center;border:1px dashed #c6dad4;padding:45px 20px;border-radius:16px}.mm-empty>span{font-size:42px;color:#71998d}.mm-empty h2{font-size:21px}.mm-empty p{font-size:14px}.math-site mark{background:#fff1b8;border-radius:3px;padding:0 1px;color:inherit}.mm-match{color:#397c6b!important}.mm-back{display:inline-block;font-size:13px;margin:8px 0 0}.mm-detail-grid{display:grid;grid-template-columns:minmax(0,1.75fr) minmax(270px,1fr);gap:22px;margin-top:24px;align-items:start}.mm-brief{padding-left:25px}.mm-brief li{padding:0 0 20px 6px;color:#496260;font-size:14px;line-height:1.95}.mm-links{padding-left:18px}.mm-links li{font-size:13px;margin:14px 0;line-height:1.8;overflow-wrap:anywhere}.mm-small{font-size:12px!important;color:#738783!important;line-height:1.8}.mm-spaced{margin-top:20px}.mm-pitfalls{padding-left:20px}.mm-pitfalls li{font-size:14px;color:#755e44;line-height:1.85;margin:12px 0}.mm-formula{padding:20px 0;overflow:hidden}.mm-math.block{display:block;overflow-x:auto;padding:10px 2px;max-width:100%}.mm-math.inline{display:inline-block;max-width:100%;overflow-x:auto;vertical-align:middle}.mm-math .katex-display{margin:0}.mm-code{background:#172f35;border-radius:13px;overflow:hidden}.mm-code-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 17px;background:#213d44;color:#bbd3cf;font-size:12px}.mm-code-head button{border:1px solid #69837c;background:transparent;color:#e1eee9;padding:6px 10px;border-radius:6px;cursor:pointer;font-size:12px}.mm-code pre{margin:0;padding:20px;overflow:auto;color:#d7eee4;line-height:1.85;font-size:12px;tab-size:4;white-space:pre}.mm-copy-status{margin:0;padding:0 18px;color:#d6edb4!important;font-size:12px!important}.mm-copy-status:not(:empty){padding-bottom:14px}.mm-reading{padding-left:50px}.mm-reading li{padding:10px 0 10px 4px;color:#4f6963;line-height:1.8;font-size:14px}.mm-download{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:26px;border:1px solid #ccded3;border-radius:17px;background:#edf4e8}.mm-download h2{font-size:23px;margin:8px 0}.mm-download p{font-size:13px;max-width:720px;margin-bottom:0}.mm-download>a{flex-shrink:0}.mm-checklist{display:grid;grid-template-columns:1fr 1fr;gap:14px}.mm-check{padding:18px 20px}.mm-check label{display:flex;align-items:center;gap:10px;cursor:pointer;flex-wrap:wrap}.mm-check input{accent-color:#247b68;width:18px;height:18px;flex-shrink:0}.mm-check-number{font-size:12px;color:#9eafab}.mm-check strong{font-size:15px}.mm-check small{font-size:11px;color:#82938c;margin-left:auto}.mm-check p{font-size:13px;line-height:1.8;margin:12px 0 0}.mm-check .mm-trap{color:#98714c;font-size:12px}.mm-check:has(input:checked){background:#eef7f1;border-color:#8cbba3}.mm-check:has(input:checked) strong{color:#2b8062}.math-site textarea{margin:15px 0;resize:vertical;font-size:14px;line-height:1.8}.mm-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.mm-toolbar>span{font-size:12px;color:#658272}.mm-snippet{border:1px solid var(--mm-line);border-radius:12px;padding:16px;background:#fff;margin:12px 0;min-width:0}.mm-snippet summary{cursor:pointer;font-size:14px;color:#355f57;font-weight:600}.mm-snippet[open] summary{margin-bottom:16px}.mm-timeline{list-style:none;padding:0 0 0 24px;border-left:2px solid #c8ddd1;margin:20px 0 30px 10px}.mm-timeline li{position:relative;padding:0 0 20px}.mm-timeline li:before{content:'';position:absolute;left:-31px;top:5px;width:12px;height:12px;border-radius:50%;background:#6ba08b;border:3px solid #e8f2ec}.mm-timeline strong{font-size:13px;color:#398069}.mm-timeline p{font-size:14px;margin:6px 0}.mm-footer{font-size:12px;color:#799087;border-top:1px solid var(--mm-line);margin-top:40px;padding-top:20px;line-height:1.9}
@media(max-width:1050px){.mm-hero{padding:35px;grid-template-columns:1.4fr 1fr}.mm-hero-diagram{transform:scale(.85)}.mm-counts div{padding:0 15px;gap:10px;flex-direction:column}.mm-counts strong{font-size:30px}.mm-detail-grid{grid-template-columns:1fr}.mm-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mm-download{align-items:start;flex-direction:column}}
@media(max-width:700px){.mm-hero{padding:27px;grid-template-columns:1fr}.mm-hero-diagram{display:none}.mm-paths,.mm-grid,.mm-grid.two,.mm-checklist{grid-template-columns:1fr}.mm-counts{grid-template-columns:1fr 1fr;gap:20px}.mm-counts div:nth-child(2){border:0}.mm-subnav{gap:5px;padding:12px 0}.mm-subnav a{padding:8px 11px;font-size:12px}.mm-section-head h2{font-size:20px}.mm-filter{padding:16px}.mm-filter .mm-search-field{flex-basis:100%;min-width:0}.mm-filter>div{min-width:85px}.mm-hero-search{flex-wrap:wrap}.mm-hero-search input{flex-basis:100%}.mm-hero-search button{width:100%}.mm-pad{padding:20px}.mm-check small{margin-left:0}.mm-note{padding:19px}.mm-hero h1{font-size:37px}.mm-reading{padding-left:38px}.mm-code pre{font-size:12px}.mm-code-head{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.mm-model-card,.mm-problem-card,.mm-paths>a{transition:none!important;transform:none!important}}
.mm-detail-grid>*{min-width:0}