:root {
    --text: #1a1a1a;
    --muted: #555555;
    --light: #f7f7f7;
    --line: #dddddd;
    --link: #1f5fbf;
    --link-hover: #123e82;
    --blue-soft: #eef5ff;
    --blue-line: #b9d4ff;
    --panel: #fbfcfe;
    --shadow: 0 14px 34px rgba(31, 95, 191, 0.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background:
        linear-gradient(180deg, #f7fbff 0, #ffffff 260px),
        #ffffff;
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    margin: 0;
}

a {
    color: var(--link);
    text-decoration: none;
}

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.page {
    margin: 0 auto;
    max-width: 940px;
    padding: 46px 24px 42px;
}

.paper-header {
    background:
        radial-gradient(circle at 12% 10%, rgba(31, 95, 191, 0.08), transparent 34%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.72));
    border: 1px solid #dbe8fa;
    border-radius: 18px;
    box-shadow: var(--shadow);
    margin-bottom: 42px;
    padding: 32px 28px 34px;
    text-align: center;
}

.paper-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 18px;
}

.paper-badges span {
    background: var(--blue-soft);
    border: 1px solid var(--blue-line);
    border-radius: 999px;
    color: #174a94;
    font-size: 0.78rem;
    font-weight: 650;
    letter-spacing: 0.02em;
    padding: 4px 10px;
}

.paper-header h1 {
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(2.1rem, 5vw, 3.35rem);
    font-weight: 500;
    letter-spacing: -0.035em;
    line-height: 1.08;
    margin: 0 auto 22px;
    max-width: 900px;
}

.authors {
    color: var(--text);
    font-size: 1.03rem;
    margin: 0 auto 8px;
}

.affiliations {
    color: var(--muted);
    font-size: 0.95rem;
    margin: 0 auto 24px;
}

.links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.links a {
    align-items: center;
    background: #ffffff;
    border: 1px solid #cfdff4;
    border-radius: 999px;
    color: var(--text);
    display: inline-flex;
    font-size: 0.95rem;
    gap: 7px;
    font-weight: 600;
    padding: 7px 15px;
}

.links a:hover {
    background: var(--blue-soft);
    color: var(--link);
    text-decoration: none;
}

.links a svg,
.links a img {
    display: block;
    height: 17px;
    width: 17px;
}

.links a svg {
    fill: currentColor;
}

.links a:nth-child(2) {
    background: #b31b1b;
    border-color: #b31b1b;
    color: #ffffff;
}

.links a:nth-child(2):hover {
    background: #961717;
    color: #ffffff;
}

.links a:nth-child(2) img {
    height: 15px;
    width: 38px;
}

.tldr {
    align-items: flex-start;
    background: linear-gradient(90deg, #f4f8ff, #ffffff);
    border: 1px solid #dbe8fa;
    border-left: 4px solid var(--link);
    border-radius: 10px;
    box-shadow: 0 8px 22px rgba(31, 95, 191, 0.06);
    display: grid;
    gap: 12px;
    grid-template-columns: auto 1fr;
    margin: -18px 0 38px;
    padding: 16px 18px;
}

.tldr strong {
    color: #174a94;
    white-space: nowrap;
}

.tldr p {
    color: #39465a;
    margin: 0;
}

.section {
    margin-bottom: 42px;
    scroll-margin-top: 24px;
}

.section h2 {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.72rem;
    font-weight: 500;
    line-height: 1.25;
    margin: 0 0 16px;
    padding-bottom: 8px;
    position: relative;
}

.section h2::after {
    background: linear-gradient(90deg, var(--link), transparent);
    bottom: 0;
    content: "";
    height: 2px;
    left: 0;
    position: absolute;
    width: 140px;
}

.section h3 {
    font-size: 1.05rem;
    margin: 0 0 7px;
}

p {
    margin: 0 0 14px;
}

.summary-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 20px;
}

.summary-grid div,
.method-block {
    background: var(--panel);
    border: 1px solid #e0e7f2;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(22, 45, 76, 0.04);
    padding: 17px;
}

.summary-grid h3 {
    color: #174a94;
}

.summary-grid p,
.method-block p,
footer p {
    color: var(--muted);
}

.method-block {
    margin-bottom: 16px;
    position: relative;
}

.method-block::before {
    background: var(--link);
    border-radius: 999px;
    content: "";
    height: 8px;
    position: absolute;
    right: 18px;
    top: 20px;
    width: 8px;
}

.formula {
    background: #f8fbff;
    border: 1px solid #dce8f8;
    border-radius: 8px;
    margin: 14px 0;
    overflow-x: auto;
    padding: 12px 14px;
}

.pipeline {
    border: 1px solid #d9e5f5;
    border-radius: 12px;
    display: grid;
    gap: 0;
    grid-template-columns: repeat(5, 1fr);
    margin-top: 18px;
    overflow: hidden;
    position: relative;
}

.pipeline span {
    align-items: center;
    background: #ffffff;
    border-right: 1px solid #d9e5f5;
    color: #2f3b4f;
    display: flex;
    font-size: 0.92rem;
    gap: 8px;
    justify-content: center;
    min-height: 58px;
    padding: 10px;
    text-align: center;
}

.pipeline span:nth-child(odd) {
    background: #f8fbff;
}

.pipeline span:last-child {
    border-right: none;
}

.pipeline b {
    align-items: center;
    background: var(--link);
    border-radius: 999px;
    color: #ffffff;
    display: inline-flex;
    flex: 0 0 auto;
    font-size: 0.75rem;
    height: 22px;
    justify-content: center;
    width: 22px;
}

.table-wrap {
    margin: 18px 0;
    overflow-x: auto;
}

.table-wrap.compact {
    max-width: 720px;
}

table {
    border-collapse: collapse;
    font-size: 0.95rem;
    min-width: 760px;
    width: 100%;
}

caption {
    color: var(--muted);
    font-size: 0.92rem;
    margin-bottom: 8px;
    text-align: left;
}

th,
td {
    border: 1px solid var(--line);
    padding: 9px 11px;
    text-align: left;
}

th {
    background: #f3f7fc;
    font-weight: 650;
}

tbody tr:nth-child(even) {
    background: #fbfbfb;
}

tbody td strong {
    background: #edf5ff;
    border-radius: 999px;
    color: #174a94;
    display: inline-block;
    padding: 2px 9px;
}

.result-note {
    background: #fbfcfe;
    border: 1px solid #dbe8fa;
    border-radius: 10px;
    color: #39465a;
    margin: 16px 0 4px;
    padding: 14px 16px;
}

.result-note strong {
    color: #174a94;
}

.contribution-strip {
    background: #ffffff;
    border: 1px solid #dbe8fa;
    border-radius: 12px;
    box-shadow: 0 8px 22px rgba(31, 95, 191, 0.05);
    display: grid;
    gap: 0;
    grid-template-columns: repeat(3, 1fr);
    margin-top: 22px;
    overflow: hidden;
}

.contribution-strip div {
    padding: 15px 16px;
}

.contribution-strip div + div {
    border-left: 1px solid #dbe8fa;
}

.contribution-strip strong {
    color: #174a94;
    display: block;
    font-size: 0.94rem;
}

.contribution-strip span {
    color: var(--muted);
    display: block;
    font-size: 0.9rem;
    margin-top: 2px;
}

.findings {
    margin: 16px 0 0 20px;
    padding: 0;
}

.findings li {
    margin-bottom: 7px;
}

pre {
    background: #f8fbff;
    border: 1px solid #dce8f8;
    border-radius: 8px;
    font-size: 0.9rem;
    margin: 0;
    overflow-x: auto;
    padding: 14px;
}

code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

footer {
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 0.92rem;
    margin-top: 52px;
    padding-top: 20px;
    text-align: center;
}

@media (max-width: 760px) {
    .page {
        padding: 34px 18px;
    }

    .paper-header h1 {
        font-size: 2rem;
    }

    .summary-grid,
    .pipeline,
    .contribution-strip {
        grid-template-columns: 1fr;
    }

    .pipeline span {
        border-bottom: 1px solid var(--line);
        border-right: none;
    }

    .pipeline span:last-child {
        border-bottom: none;
    }

    .contribution-strip div + div {
        border-left: none;
        border-top: 1px solid #dbe8fa;
    }

    .tldr {
        grid-template-columns: 1fr;
    }
}