/*
  PaperMod v8+
  License: MIT https://github.com/adityatelange/hugo-PaperMod/blob/master/LICENSE
  Copyright (c) 2020 nanxiaobei and adityatelange
  Copyright (c) 2021-2026 adityatelange
*/
:root{--gap:24px;--content-gap:20px;--nav-width:1024px;--main-width:720px;--header-height:60px;--footer-height:60px;--radius:8px;--theme:rgb(255, 255, 255);--entry:rgb(255, 255, 255);--primary:rgb(30, 30, 30);--secondary:rgb(108, 108, 108);--tertiary:rgb(214, 214, 214);--content:rgb(31, 31, 31);--code-block-bg:rgb(28, 29, 33);--code-bg:rgb(245, 245, 245);--border:rgb(238, 238, 238);color-scheme:light}:root[data-theme=dark]{--theme:rgb(29, 30, 32);--entry:rgb(46, 46, 51);--primary:rgb(218, 218, 219);--secondary:rgb(155, 156, 157);--tertiary:rgb(65, 66, 68);--content:rgb(196, 196, 197);--code-block-bg:rgb(46, 46, 51);--code-bg:rgb(55, 56, 62);--border:rgb(51, 51, 51);color-scheme:dark}.list{background:var(--code-bg)}[data-theme=dark] .list{background:var(--theme)}*,::after,::before{box-sizing:border-box}html{-webkit-tap-highlight-color:transparent;overflow-y:scroll;-webkit-text-size-adjust:100%;text-size-adjust:100%}a,button,body,h1,h2,h3,h4,h5,h6{color:var(--primary)}body{font-family:-apple-system,BlinkMacSystemFont,segoe ui,Roboto,Oxygen,Ubuntu,Cantarell,open sans,helvetica neue,sans-serif;font-size:18px;line-height:1.6;word-break:break-word;background:var(--theme)}article,aside,figcaption,figure,footer,header,hgroup,main,nav,section,table{display:block}h1,h2,h3,h4,h5,h6{line-height:1.2}h1,h2,h3,h4,h5,h6,p{margin-top:0;margin-bottom:0}ul{padding:0}a{text-decoration:none}body,figure,ul{margin:0}table{width:100%;border-collapse:collapse;border-spacing:0;overflow-x:auto;word-break:keep-all}button,input,textarea{padding:0;font:inherit;background:0 0;border:0}input,textarea{outline:0}button,input[type=button],input[type=submit]{cursor:pointer}input:-webkit-autofill,textarea:-webkit-autofill{box-shadow:0 0 0 50px 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100%);display:flex;align-items:center;justify-content:center}.qh-hero__placeholder-text{font-family:Georgia,serif;font-size:clamp(3rem,8vw,6rem);font-weight:900;color:rgba(255,255,255,.12);letter-spacing:-.04em;user-select:none}.qh-body{display:grid;grid-template-columns:1fr 300px;gap:clamp(2rem,4vw,3.5rem);margin-bottom:0}.qh-main{min-width:0}.qh-section-head{display:flex;align-items:center;justify-content:space-between;border-bottom:2px solid var(--qh-navy);padding-bottom:8px;margin-bottom:1.25rem}.qh-section-head h2{font-size:.82rem!important;font-weight:700!important;letter-spacing:.1em!important;text-transform:uppercase!important;color:var(--qh-navy)!important;margin:0!important;border:none!important;padding:0!important}.qh-see-all{font-size:.75rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--qh-copper);text-decoration:none}.qh-see-all:hover{opacity:.7;color:var(--qh-copper)}.qh-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem 2rem;margin-bottom:2.5rem}.qh-card{border-bottom:1px solid var(--qh-rule);padding-bottom:1.25rem}.qh-card__img-wrap{display:block;margin-bottom:.75rem}.qh-card__img{width:100%;height:160px;object-fit:cover;border-radius:4px}.qh-card__img-wrap--empty{width:100%;height:160px;border-radius:4px;background:linear-gradient(135deg,color-mix(in srgb,var(--qh-navy) 12%,var(--entry)),color-mix(in srgb,var(--qh-copper) 10%,var(--entry)));display:block;margin-bottom:.75rem}.qh-card__title{font-family:Georgia,serif;font-size:clamp(1rem,1.8vw,1.15rem);font-weight:700;line-height:1.28;margin:0 0 .5rem}.qh-card__title a{color:var(--qh-navy);text-decoration:none}.qh-card__title a:hover{color:var(--qh-copper)}.qh-card__summary{font-size:.88rem;color:var(--qh-muted);line-height:1.6;margin-bottom:.5rem}.qh-card__meta{font-size:.75rem;color:var(--qh-muted)}.qh-list{margin-bottom:2.5rem}.qh-list__item{display:grid;grid-template-columns:90px 1fr;gap:1rem;padding:1rem 0;border-bottom:1px solid var(--qh-rule);align-items:start}.qh-list__thumb{width:90px;height:64px;border-radius:3px;object-fit:cover;display:block}.qh-list__thumb--empty{width:90px;height:64px;border-radius:3px;background:linear-gradient(135deg,color-mix(in srgb,var(--qh-navy) 15%,var(--entry)),color-mix(in srgb,var(--qh-copper) 12%,var(--entry)));display:block}.qh-list__title{font-family:Georgia,serif;font-size:1rem;font-weight:700;line-height:1.3;margin:0 0 .35rem}.qh-list__title a{color:var(--qh-navy);text-decoration:none}.qh-list__title a:hover{color:var(--qh-copper)}.qh-list__summary{font-size:.84rem;color:var(--qh-muted);line-height:1.55;margin-bottom:.35rem}.qh-list__meta{font-size:.73rem;color:var(--qh-muted)}.qh-sidebar{min-width:0}.qh-sidebar__block{margin-bottom:2rem;padding-bottom:2rem;border-bottom:1px solid var(--qh-rule)}.qh-sidebar__block:last-child{border-bottom:none}.qh-sidebar__heading{font-size:.75rem!important;font-weight:700!important;letter-spacing:.1em!important;text-transform:uppercase!important;color:var(--qh-navy)!important;border-bottom:2px solid var(--qh-navy)!important;padding-bottom:8px!important;margin-bottom:1rem!important;border-radius:0!important;background:0 0!important}.qh-sidebar__item{display:flex;flex-direction:column;gap:4px;padding:10px 0;border-bottom:1px solid var(--qh-rule)}.qh-sidebar__item:last-child{border-bottom:none}.qh-sidebar__title{font-family:Georgia,serif;font-size:.9rem;font-weight:700;line-height:1.3;color:var(--qh-navy);text-decoration:none}.qh-sidebar__title:hover{color:var(--qh-copper)}.qh-sidebar__links{list-style:none;padding:0;margin:0}.qh-sidebar__links li{padding:7px 0;border-bottom:1px solid var(--qh-rule)}.qh-sidebar__links li:last-child{border-bottom:none}.qh-sidebar__links a{font-size:.88rem;font-weight:600;color:var(--qh-navy);text-decoration:none}.qh-sidebar__links a:hover{color:var(--qh-copper)}.qh-newsletter{background:var(--qh-navy)!important;color:#fff;padding:1.25rem!important;border-radius:6px;border-bottom:none!important}.qh-newsletter h3{font-family:Georgia,serif;font-size:1.05rem!important;font-weight:700!important;color:#fff!important;border:none!important;padding:0!important;margin-bottom:.5rem!important;letter-spacing:0!important;text-transform:none!important;background:0 0!important}.qh-newsletter p{font-size:.82rem;color:rgba(255,255,255,.65);line-height:1.55;margin-bottom:1rem}.qh-newsletter input[type=email]{width:100%;padding:9px 12px;font-size:.82rem;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);border-radius:3px;color:#fff;margin-bottom:8px;font-family:inherit;box-sizing:border-box;outline:none}.qh-newsletter input[type=email]:focus{border-color:var(--qh-copper)}.qh-newsletter input[type=email]::placeholder{color:rgba(255,255,255,.4)}.qh-newsletter button{width:100%;padding:9px;background:var(--qh-copper);color:#fff;border:none;border-radius:3px;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;font-family:inherit;transition:opacity .15s}.qh-newsletter button:hover{opacity:.85}.qh-tags{display:flex;flex-wrap:wrap;gap:6px}.qh-tag{font-size:.72rem;font-weight:600;padding:4px 10px;border:1px solid var(--qh-rule);border-radius:2px;color:var(--qh-navy);text-decoration:none;transition:background .15s,color .15s;background:var(--entry)}.qh-tag:hover{background:var(--qh-navy);color:#fff;border-color:var(--qh-navy)}.qh-band{margin:2.5rem -1.5rem 0;padding:2.5rem 1.5rem}.qh-band--energy{background:#f0f7f2}.qh-band--industry{background:var(--entry);border-top:1px solid var(--qh-rule)}.qh-band__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem 2rem}.qh-band__card{border-left:3px solid var(--qh-copper);padding-left:1rem}.qh-band__card h4{font-family:Georgia,serif;font-size:.98rem;font-weight:700;line-height:1.3;margin:.4rem 0 .5rem}.qh-band__card h4 a{color:var(--qh-navy);text-decoration:none}.qh-band__card h4 a:hover{color:var(--qh-copper)}.qh-band__card p{ :root { --theme: #f7f4ee; --entry: #fffdf8; --primary: #132238; --secondary: #5c6675; --tertiary: #d9d3c8; --content: #222831; --hljs-bg: #f3efe7; --code-bg: #f3efe7; --border: #d7d0c3; --qh-navy: #132238; --qh-blue: #0f5e8c; --qh-copper: #b66a2c; --qh-sage: #5d7b66; --qh-cream: #f7f4ee; --qh-paper: #fffdf8; --qh-ink: #1f2933; --qh-muted: #67717f; --qh-rule: #d9d3c8; --main-width: 1120px; --post-width: 780px; --radius: 10px; --content-gap: 28px; } .dark { --theme: #0f1722; --entry: #172233; --primary: #f4eee4; --secondary: #b8c0ca; --tertiary: #334055; --content: #e7ecf2; --hljs-bg: #111b2a; --code-bg: #111b2a; --border: #344055; --qh-cream: #0f1722; --qh-paper: #172233; --qh-ink: #e7ecf2; --qh-muted: #b8c0ca; --qh-rule: #344055; } body { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-feature-settings: "kern" 1, "liga" 1, "calt" 1; letter-spacing: -0.005em; background: radial-gradient(circle at top left, rgba(15, 94, 140, 0.08), transparent 32rem), linear-gradient(180deg, rgba(255, 253, 248, 0.95), var(--theme)); } .dark body { background: radial-gradient(circle at top left, rgba(34, 139, 190, 0.12), transparent 32rem), linear-gradient(180deg, rgba(15, 23, 34, 0.96), var(--theme)); } .main { max-width: var(--main-width); } .header { border-bottom: 1px solid var(--qh-rule); backdrop-filter: blur(14px); background: color-mix(in srgb, var(--theme) 88%, transparent); } .logo a { font-family: Georgia, "Times New Roman", serif; font-size: 1.02rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; } .logo a::after { content: "Authority Hub"; display: inline-block; margin-left: 0.65rem; padding-left: 0.65rem; border-left: 1px solid var(--qh-rule); color: var(--qh-copper); font-family: Inter, ui-sans-serif, system-ui, sans-serif; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.12em; } #menu a { position: relative; font-size: 0.82rem; font-weight: 750; letter-spacing: 0.04em; text-transform: uppercase; } #menu a::after { content: ""; position: absolute; left: 50%; right: 50%; bottom: -7px; height: 2px; background: var(--qh-copper); transition: left 0.18s ease, right 0.18s ease; } #menu a:hover::after, #menu .active::after { left: 0; right: 0; } .profile { min-height: auto; align-items: flex-start; padding: clamp(2.25rem, 6vw, 5rem) 0 clamp(1rem, 3vw, 2rem); text-align: left; } .profile_inner { width: 100%; display: grid; grid-template-columns: minmax(0, 1fr) 180px; gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; padding: clamp(1.6rem, 4vw, 3rem); border: 1px solid var(--qh-rule); border-radius: 18px; background: linear-gradient(135deg, color-mix(in srgb, var(--entry) 92%, transparent), color-mix(in srgb, var(--theme) 96%, transparent)), repeating-linear-gradient(90deg, transparent 0, transparent 54px, color-mix(in srgb, var(--qh-rule) 42%, transparent) 55px); box-shadow: 0 18px 50px rgba(19, 34, 56, 0.08); } .profile img { grid-column: 2; grid-row: 1 / span 3; justify-self: end; border: 1px solid var(--qh-rule); border-radius: 50%; padding: 0.6rem; background: var(--entry); box-shadow: 0 14px 35px rgba(19, 34, 56, 0.12); } .profile .profile_inner h1 { max-width: 12ch; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.75rem, 7vw, 5.8rem); line-height: 0.88; letter-spacing: -0.065em; text-transform: uppercase; } .profile .profile_inner span { max-width: 740px; color: var(--qh-muted); font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.08rem, 2vw, 1.38rem); line-height: 1.55; } .buttons { justify-content: flex-start; gap: 0.75rem; } .button { border: 1px solid var(--qh-navy); border-radius: 999px; background: var(--qh-navy); color: #fff; font-size: 0.78rem; font-weight: 800; letter-spacing: 0.055em; text-transform: uppercase; transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease; } .button:hover { transform: translateY(-1px); background: var(--qh-blue); box-shadow: 0 12px 28px rgba(15, 94, 140, 0.2); } .first-entry, .post-entry { border: 1px solid var(--qh-rule); border-radius: 16px; background: var(--entry); box-shadow: 0 10px 28px rgba(19, 34, 56, 0.045); } .first-entry { min-height: auto; padding: clamp(1.5rem, 4vw, 2.4rem); } .first-entry .entry-header h1, .post-title, .entry-header h2 { font-family: Georgia, "Times New Roman", serif; letter-spacing: -0.035em; } .entry-header h2 { font-size: clamp(1.35rem, 3vw, 2rem); line-height: 1.08; } .entry-content { color: var(--qh-muted); font-size: 0.98rem; line-height: 1.65; } .entry-footer, .post-meta { color: var(--qh-muted); font-size: 0.78rem; letter-spacing: 0.03em; text-transform: uppercase; } .post-entry { position: relative; padding: 1.35rem; overflow: hidden; } .post-entry::before { content: "Technical Brief"; display: block; margin-bottom: 0.85rem; color: var(--qh-copper); font-size: 0.68rem; font-weight: 850; letter-spacing: 0.14em; text-transform: uppercase; } .post-entry:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--qh-copper) 60%, var(--qh-rule)); box-shadow: 0 18px 45px rgba(19, 34, 56, 0.08); } .post-single { max-width: var(--post-width); } .post-header { padding-bottom: 1.4rem; border-bottom: 1px solid var(--qh-rule); } .post-title { font-size: clamp(2.15rem, 6vw, 4.35rem); line-height: 0.98; } .post-content { font-family: Georgia, "Times New Roman", serif; color: var(--qh-ink); font-size: clamp(1.02rem, 1.5vw, 1.14rem); line-height: 1.78; } .post-content > p:first-of-type { color: color-mix(in srgb, var(--qh-ink) 86%, var(--qh-muted)); font-size: clamp(1.16rem, 2vw, 1.34rem); line-height: 1.62; } .post-content h2, .post-content h3, .post-content h4 { font-family: Inter, ui-sans-serif, system-ui, sans-serif; letter-spacing: -0.035em; } .post-content h2 { margin-top: 3rem; padding-top: 1.25rem; border-top: 2px solid var(--qh-rule); font-size: 1.65rem; } .post-content h3 { font-size: 1.25rem; } .post-content a { color: var(--qh-blue); box-shadow: inset 0 -0.08em 0 var(--qh-copper); } .post-content blockquote { margin-inline-start: 0; border-inline-start: 4px solid var(--qh-copper); background: color-mix(in srgb, var(--entry) 82%, var(--qh-copper) 8%); border-radius: 0 12px 12px 0; color: var(--qh-ink); } .post-content table { font-family: Inter, ui-sans-serif, system-ui, sans-serif; font-size: 0.92rem; border: 1px solid var(--qh-rule); } .post-content th { background: var(--qh-navy); color: #fff; font-size: 0.74rem; letter-spacing: 0.075em; text-transform: uppercase; } .post-content tr:nth-child(even) td { background: color-mix(in srgb, var(--entry) 86%, var(--theme)); } .toc { border: 1px solid var(--qh-rule); border-radius: 14px; background: color-mix(in srgb, var(--entry) 94%, var(--theme)); } .toc details summary { font-size: 0.78rem; font-weight: 850; letter-spacing: 0.09em; text-transform: uppercase; } code { border: 1px solid color-mix(in srgb, var(--qh-rule) 78%, transparent); border-radius: 6px; font-size: 0.88em; } .highlight, .post-content pre { border: 1px solid var(--qh-rule); border-radius: 14px; box-shadow: inset 0 1px 0 rgba(255,255,255,0.35); } .terms-tags a, .post-tags a { border: 1px solid var(--qh-rule); border-radius: 999px; background: color-mix(in srgb, var(--entry) 92%, var(--theme)); font-size: 0.75rem; font-weight: 750; } .footer { margin-top: 4rem; padding: 2rem 1rem; border-top: 1px solid var(--qh-rule); color: var(--qh-muted); font-size: 0.78rem; } .qh-alert { margin: 1.75rem 0; padding: 1.05rem 1.15rem 1.05rem 1.25rem; border: 1px solid var(--qh-rule); border-left: 5px solid var(--qh-blue); border-radius: 12px; background: color-mix(in srgb, var(--entry) 88%, var(--qh-blue) 7%); font-family: Inter, ui-sans-serif, system-ui, sans-serif; line-height: 1.62; } .qh-alert strong:first-child { display: block; margin-bottom: 0.25rem; color: var(--qh-navy); font-size: 0.76rem; letter-spacing: 0.09em; text-transform: uppercase; } .qh-alert.warning { border-left-color: var(--qh-copper); background: color-mix(in srgb, var(--entry) 88%, var(--qh-copper) 8%); } .qh-alert.safety { border-left-color: #b42318; background: color-mix(in srgb, var(--entry) 88%, #b42318 7%); } .qh-alert.code { border-left-color: var(--qh-sage); background: color-mix(in srgb, var(--entry) 88%, var(--qh-sage) 8%); } .qh-formula { margin: 1.7rem 0; padding: 1.1rem 1.2rem; border: 1px solid var(--qh-rule); border-radius: 14px; background: linear-gradient(180deg, color-mix(in srgb, var(--entry) 94%, var(--theme)), var(--entry)); overflow-x: auto; } .qh-formula__caption { margin-top: 0.7rem; color: var(--qh-muted); font-family: Inter, ui-sans-serif, system-ui, sans-serif; font-size: 0.78rem; line-height: 1.45; } .katex-display { overflow-x: auto; overflow-y: hidden; padding: 0.35rem 0; } @media (max-width: 768px) { :root { --content-gap: 20px; } .logo a::after { display: none; } .profile_inner { display: block; text-align: left; } .profile img { margin: 0 0 1.25rem; } .buttons { justify-content: flex-start; } .post-title { font-size: clamp(2rem, 12vw, 3.1rem); } }}