:root {
            --bg: #f8f7f4;
            --paper: #fff;
            --ink: #1c1917;
            --muted: #667085;
            --line: #e5e2dd;
            --blue: #1d4ed8;
            --violet: #7c3aed;
            --green: #059669;
            --amber: #d97706;
            --rose: #e11d48;
            --orange: #ea580c;
            --shadow: 0 18px 46px rgba(28, 25, 23, .1)
        }

        * {
            box-sizing: border-box
        }

        html {
            scroll-behavior: smooth
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--ink);
            font-family: Georgia, "Times New Roman", serif;
            font-size: 15px;
            line-height: 1.75
        }

        img,
        svg {
            max-width: 100%;
            height: auto
        }

        a {
            color: inherit
        }

        .sans {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif
        }

        .mono {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace
        }

        .lpbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 9px 18px;
            background: #0b0b12;
            border-bottom: 2px solid #caa14b;
            color: #f5f2e8
        }

        .lpbar a {
            text-decoration: none
        }

        .lpbrand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 13px;
            letter-spacing: .6px
        }

        .lpdot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #caa14b;
            box-shadow: 0 0 8px #caa14b
        }

        .lpmeta {
            color: #8b8b96;
            font-size: 11px
        }

        .lpall {
            color: #caa14b;
            border: 1px solid rgba(202, 161, 75, .55);
            padding: 5px 11px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 11px;
            white-space: nowrap
        }

        .running {
            position: sticky;
            top: 0;
            z-index: 40;
            border-bottom: 1px solid var(--line);
            background: rgba(248, 247, 244, .92);
            backdrop-filter: blur(12px)
        }

        .running-inner {
            max-width: 980px;
            margin: auto;
            padding: 8px 20px;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            color: #667085;
            font-size: 11px
        }

        .nav {
            border-bottom: 1px solid var(--line);
            background: #fff
        }

        .nav-inner {
            max-width: 980px;
            margin: auto;
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px
        }

        .brand {
            text-decoration: none;
            font-weight: 900;
            color: #111827
        }

        .links {
            display: flex;
            gap: 4px;
            flex-wrap: wrap
        }

        .links a {
            text-decoration: none;
            color: #667085;
            font-size: 12px;
            font-weight: 800;
            border-radius: 7px;
            padding: 6px 8px
        }

        .links a:hover,
        .links a.active {
            background: #f1f5f9;
            color: var(--blue)
        }

        .menu {
            display: none;
            border: 1px solid var(--line);
            background: #fff;
            border-radius: 8px;
            padding: 7px 10px;
            font-weight: 800
        }

        .article {
            max-width: 980px;
            margin: auto;
            padding: 34px 20px 56px
        }

        .journal {
            text-align: center;
            border-bottom: 2px solid #1f2937;
            padding-bottom: 16px;
            margin-bottom: 28px
        }

        .journal b {
            display: block;
            font-size: 11px;
            letter-spacing: .16em;
            text-transform: uppercase;
            color: #4b5563
        }

        .journal span {
            display: block;
            margin-top: 3px;
            font-size: 10px;
            color: #9ca3af
        }

        .hero {
            display: grid;
            grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr);
            gap: 28px;
            align-items: center;
            margin-bottom: 34px
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            border: 1px solid #a7f3d0;
            background: #ecfdf5;
            color: #047857;
            border-radius: 4px;
            padding: 5px 9px;
            font: 800 11px/1.2 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif
        }

        .pulse {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #059669;
            animation: pulse 2s ease-in-out infinite
        }

        @keyframes pulse {
            50% {
                transform: scale(1.25);
                opacity: .65
            }
        }

        h1 {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
            font-size: clamp(28px, 4vw, 44px);
            line-height: 1.08;
            margin: 16px 0 14px;
            color: #111827;
            letter-spacing: -.03em
        }

        .authors {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            font-size: 14px;
            color: #374151
        }

        .dates {
            border-top: 1px solid var(--line);
            padding-top: 8px;
            color: #9ca3af;
            font-size: 11px
        }

        .keywords {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 14px
        }

        .kw {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            font-size: 11px;
            color: #1e40af;
            background: #eff6ff;
            border: 1px solid #bfdbfe;
            border-radius: 4px;
            padding: 3px 7px
        }

        .hero-img {
            border-radius: 10px;
            overflow: hidden;
            border: 1px solid var(--line);
            box-shadow: var(--shadow);
            background: #fff
        }

        .hero-img img {
            display: block;
            width: 100%;
            height: 360px;
            object-fit: cover
        }

        .metrics {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 1px;
            background: #d1d5db;
            border: 1px solid #d1d5db;
            border-radius: 10px;
            overflow: hidden;
            margin: 0 0 30px
        }

        .metric {
            background: #fff;
            text-align: center;
            padding: 18px 12px;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif
        }

        .metric b {
            display: block;
            font-size: 24px;
            color: var(--blue);
            line-height: 1
        }

        .metric span {
            display: block;
            font-size: 11px;
            font-weight: 800;
            color: #374151;
            margin-top: 5px
        }

        .metric small {
            display: block;
            font-size: 10px;
            color: #9ca3af;
            margin-top: 3px
        }

        .section {
            margin-bottom: 34px
        }

        .paper {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 24px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, .03)
        }

        .section-heading {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            font-size: 14px;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: .08em;
            color: #1f2937;
            border-bottom: 2px solid #1f2937;
            padding-bottom: 7px;
            margin: 0 0 16px
        }

        .body-text {
            text-align: justify;
            hyphens: auto;
            margin: 0 0 16px
        }

        .grid {
            display: grid;
            gap: 16px
        }

        .g2 {
            grid-template-columns: repeat(2, minmax(0, 1fr))
        }

        .g3 {
            grid-template-columns: repeat(3, minmax(0, 1fr))
        }

        .card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 18px;
            min-width: 0
        }

        .card h3 {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.25;
            margin: 0 0 8px;
            color: #111827
        }

        .card p {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            font-size: 13px;
            color: #4b5563;
            line-height: 1.62;
            margin: 0
        }

        .tag {
            display: inline-flex;
            align-items: center;
            border-radius: 4px;
            color: #fff;
            font: 800 10px/1 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            padding: 4px 6px;
            margin-right: 6px
        }

        .formula {
            font-size: 12px;
            background: rgba(255, 255, 255, .72);
            border: 1px solid #e5e7eb;
            border-radius: 5px;
            padding: 6px 8px;
            margin: 9px 0;
            color: #374151
        }

        .timeline {
            position: relative;
            padding-left: 78px
        }

        .timeline:before {
            content: "";
            position: absolute;
            left: 58px;
            top: 0;
            bottom: 0;
            width: 1px;
            background: #d1d5db
        }

        .milestone {
            position: relative;
            margin-bottom: 15px
        }

        .year {
            position: absolute;
            left: -78px;
            width: 48px;
            text-align: right;
            color: var(--blue);
            font: 800 12px/1.2 "SFMono-Regular", Consolas, monospace
        }

        .milestone:before {
            content: "";
            position: absolute;
            left: -25px;
            top: 4px;
            width: 11px;
            height: 11px;
            border-radius: 50%;
            background: #fff;
            border: 2px solid var(--blue)
        }

        .milestone p {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            font-size: 13px;
            color: #4b5563;
            margin: 0
        }

        .table-wrap {
            overflow-x: auto;
            border: 1px solid var(--line);
            border-radius: 8px;
            background: #fff
        }

        table {
            width: 100%;
            border-collapse: collapse;
            min-width: 720px;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            font-size: 13px
        }

        caption {
            text-align: left;
            font-size: 12px;
            color: #4b5563;
            padding: 10px 0;
            font-style: italic
        }

        th {
            border-top: 2px solid #1f2937;
            border-bottom: 1px solid #1f2937;
            text-align: left;
            padding: 9px 11px;
            color: #111827
        }

        td {
            padding: 8px 11px;
            border-bottom: 1px solid #e5e7eb;
            color: #374151
        }

        tbody tr:last-child td {
            border-bottom: 2px solid #1f2937
        }

        .num {
            text-align: right
        }

        .figure {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 10px;
            padding: 18px;
            margin: 16px 0 26px
        }

        .fig-title {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            font-size: 13px;
            font-weight: 800;
            color: #111827;
            margin: 0 0 10px
        }

        .caption {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            font-size: 11px;
            color: #667085;
            text-align: center;
            font-style: italic;
            margin: 9px 0 0
        }

        .barline {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 7px 0
        }

        .barline label {
            width: 88px;
            text-align: right;
            font: 500 11px/1.2 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            color: #667085
        }

        .track {
            flex: 1;
            height: 12px;
            background: #f1f5f9;
            border: 1px solid #e5e7eb;
            border-radius: 99px;
            overflow: hidden
        }

        .fill {
            height: 100%;
            border-radius: inherit;
            transform-origin: left center;
            animation: grow 1s ease both
        }

        @keyframes grow {
            from {
                transform: scaleX(0)
            }

            to {
                transform: scaleX(1)
            }
        }

        .barline span {
            width: 64px;
            font: 700 11px/1.2 "SFMono-Regular", Consolas, monospace;
            color: #4b5563
        }

        .discussion {
            border-left: 4px solid var(--blue);
            background: #fff;
            border-radius: 0 10px 10px 0
        }

        .sub-heading {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            font-size: 15px;
            font-weight: 800;
            color: #111827;
            margin: 22px 0 10px
        }

        .eq-label {
            font: 800 10px/1 -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            text-transform: uppercase;
            letter-spacing: .06em;
            color: #9ca3af;
            margin: 0 0 2px
        }

        .eq-note {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            font-size: 11px;
            color: #9ca3af;
            font-style: italic;
            margin: 10px 0 0
        }

        .cite {
            color: var(--blue);
            font-weight: 700;
            text-decoration: none
        }

        .cite:hover {
            text-decoration: underline
        }

        .card.muted {
            background: #f9fafb
        }

        .refs {
            list-style: none;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            font-size: 12.5px;
            color: #374151
        }

        .refs li {
            display: flex;
            gap: 10px;
            margin-bottom: 11px;
            line-height: 1.6
        }

        .refs .rnum {
            flex-shrink: 0;
            width: 26px;
            text-align: right;
            color: #9ca3af;
            font: 700 12px/1.6 "SFMono-Regular", Consolas, monospace
        }

        .track-dual {
            position: relative
        }

        .track-dual .fill {
            position: absolute;
            left: 0;
            top: 0
        }

        .fill-target {
            background: #d1d5db
        }

        .fill-current {
            background: var(--blue);
            z-index: 1
        }

        .footer {
            border-top: 1px solid var(--line);
            padding: 28px 20px;
            color: #667085;
            text-align: center;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
            font-size: 12px
        }

        .top {
            position: fixed;
            right: 18px;
            bottom: 18px;
            display: none;
            border: 0;
            border-radius: 8px;
            background: var(--blue);
            color: #fff;
            font-weight: 800;
            padding: 10px 13px;
            box-shadow: var(--shadow);
            cursor: pointer
        }

        .reveal {
            opacity: 0;
            transform: translateY(14px);
            transition: opacity .55s ease, transform .55s ease
        }

        .reveal.visible {
            opacity: 1;
            transform: none
        }

        @media(max-width:820px) {

            .hero,
            .g2,
            .g3 {
                grid-template-columns: 1fr
            }

            .links {
                display: none
            }

            .links.open {
                display: flex;
                position: absolute;
                left: 12px;
                right: 12px;
                top: 104px;
                background: #fff;
                border: 1px solid var(--line);
                border-radius: 10px;
                padding: 10px;
                box-shadow: var(--shadow)
            }

            .menu {
                display: block
            }

            .metrics {
                grid-template-columns: 1fr
            }

            .hero-img img {
                height: 260px
            }

            .running-inner {
                font-size: 10px
            }

            .running-inner span:nth-child(2) {
                display: none
            }
        }

        @media(max-width:560px) {
            .lpmeta {
                display: none
            }

            .article {
                padding: 24px 14px 44px
            }

            .paper,
            .card,
            .figure {
                padding: 16px
            }

            .timeline {
                padding-left: 68px
            }

            .timeline:before {
                left: 50px
            }

            .year {
                left: -68px
            }

            .milestone:before {
                left: -23px
            }

            .hero-img img {
                height: 220px
            }
        }