:root { --ink: #111; --mute: #555; --rule: #bbb; --bg: #fff; --link: #1a3e8c; }
* { box-sizing: border-box; }
html { background: var(--bg); }
body { margin: 0 auto; max-width: 760px; padding: 48px 20px 80px; color: var(--ink); background: var(--bg);
  font: 16px/1.5 "Latin Modern Roman", "CMU Serif", "Computer Modern Serif", "Times New Roman", Times, serif; }
a { color: var(--link); }
.top { font: 13px/1.4 "Latin Modern Mono", "CMU Typewriter Text", monospace; color: var(--mute); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
h1 { font-size: 26px; line-height: 1.25; text-align: center; margin: 28px 0 14px; font-weight: bold; }
.authors { text-align: center; margin: 0 0 4px; font-size: 17px; }
.affil { text-align: center; color: var(--mute); font-size: 14px; margin: 0 0 4px; }
.date { text-align: center; color: var(--mute); font-size: 14px; margin: 0 0 26px; }
.abstract { margin: 0 36px 22px; font-size: 15px; }
.abstract h2 { text-align: center; font-size: 15px; margin: 0 0 6px; }
.kw { margin: 0 36px 28px; font-size: 14px; }
h2 { font-size: 19px; margin: 30px 0 8px; }
h3 { font-size: 16px; margin: 20px 0 6px; }
p { margin: 0 0 10px; text-align: justify; hyphens: auto; }
code, .mono { font: 14px "Latin Modern Mono", "CMU Typewriter Text", Consolas, monospace; }
pre { font: 13px/1.4 "Latin Modern Mono", "CMU Typewriter Text", Consolas, monospace; background: #f6f6f6; border: 1px solid #e2e2e2; padding: 10px 12px; overflow-x: auto; white-space: pre; }
table { border-collapse: collapse; margin: 10px auto 6px; font-size: 14px; width: 100%; }
th, td { padding: 4px 8px; text-align: left; vertical-align: top; }
thead th { border-top: 1.5px solid var(--ink); border-bottom: 1px solid var(--ink); }
tbody tr:last-child td { border-bottom: 1.5px solid var(--ink); }
td.n, th.n { text-align: right; }
.cap { font-size: 14px; text-align: center; margin: 4px 0 18px; }
figure { margin: 18px 0; }
figure svg { width: 100%; height: auto; display: block; }
ol.refs { font-size: 14px; padding-left: 22px; }
ol.refs li { margin-bottom: 6px; }
.tablewrap { overflow-x: auto; }
@media (max-width: 560px) { .abstract, .kw { margin-left: 0; margin-right: 0; } h1 { font-size: 22px; } p { text-align: left; } }
@media print { body { padding: 0; max-width: none; font-size: 11pt; } .top a.pdf { display: none; } pre { white-space: pre-wrap; } h2, h3 { break-after: avoid; } table, figure { break-inside: avoid; } }
@page { size: letter; margin: 2.2cm 2.3cm; }
.foot { font-size: 13px; color: #555; margin-top: 24px; }