html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background: #ffffff; }
[hidden] { display: none !important; }

#zixing-agentic-research {
  --agentic-black: #000000;
  --agentic-dark: #171719;
  --agentic-white: #ffffff;
  --agentic-ink: #1d1d1f;
  --agentic-secondary: #6e6e73;
  --agentic-surface: #f5f5f7;
  --agentic-line: #d2d2d7;
  --agentic-blue: #0071e3;
  --agentic-rsi: #0066cc;
  --agentic-rsi-soft: #e8f2ff;
  --agentic-rl: #7557b8;
  --agentic-rl-soft: #f0ebff;
  --agentic-embodied: #14795e;
  --agentic-embodied-soft: #e5f5ef;
  width: 100%;
  overflow: hidden;
  background: var(--agentic-white);
  color: var(--agentic-ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

#zixing-agentic-research * { box-sizing: border-box; }
#zixing-agentic-research a { color: inherit; text-decoration: none; }
#zixing-agentic-research button { color: inherit; font: inherit; }

#zixing-agentic-research .agentic-width {
  width: min(1080px, calc(100% - 48px));
  margin: 0 auto;
}

#zixing-agentic-research .agentic-nav-shell {
  position: relative;
  z-index: 20;
  background: var(--agentic-dark);
  color: #f5f5f7;
}

#zixing-agentic-research .agentic-nav {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

#zixing-agentic-research .agentic-wordmark {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.025em;
}

#zixing-agentic-research .agentic-monogram {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border: 1px solid #6e6e73;
  border-radius: 50%;
  font-size: 8px;
  letter-spacing: 0.04em;
}

#zixing-agentic-research .agentic-nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #c7c7cc;
  font-size: 12px;
}

#zixing-agentic-research .agentic-nav-links a:hover { color: var(--agentic-white); }

#zixing-agentic-research .agentic-hero {
  position: relative;
  min-height: 610px;
  overflow: hidden;
  background: var(--agentic-black);
  color: var(--agentic-white);
}

#zixing-agentic-research .agentic-wave-field {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.72;
}

#zixing-agentic-research .agentic-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.12), rgba(0,0,0,0.58));
  pointer-events: none;
}

#zixing-agentic-research .agentic-hero-inner {
  position: relative;
  z-index: 2;
  min-height: 610px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 74px 0;
}

#zixing-agentic-research .agentic-identity {
  margin: 0 0 18px;
  color: #a1a1a6;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: -0.01em;
}

#zixing-agentic-research .agentic-hero h1 {
  max-width: 850px;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(54px, 7.2vw, 84px);
  line-height: 0.98;
  font-weight: 500;
  letter-spacing: -0.062em;
}

#zixing-agentic-research .agentic-intro {
  max-width: 830px;
  margin: 31px 0 0;
  color: #c7c7cc;
  font-size: 18px;
  line-height: 1.5;
  letter-spacing: -0.02em;
}

#zixing-agentic-research .agentic-intro strong { color: var(--agentic-white); font-weight: 500; }

#zixing-agentic-research .agentic-filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 30px;
}

#zixing-agentic-research .agentic-filter-label {
  margin-right: 4px;
  color: #86868b;
  font-size: 12px;
}

#zixing-agentic-research .agentic-filter {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid #48484a;
  border-radius: 999px;
  background: rgba(29,29,31,0.72);
  color: #d1d1d6;
  cursor: pointer;
  font-size: 12px;
}

#zixing-agentic-research .agentic-filter:hover,
#zixing-agentic-research .agentic-filter[aria-pressed="true"] {
  border-color: #f5f5f7;
  background: #f5f5f7;
  color: var(--agentic-ink);
}

#zixing-agentic-research .agentic-pillars {
  padding: 88px 0 94px;
  background: var(--agentic-white);
}

#zixing-agentic-research .agentic-pillar-heading {
  max-width: 780px;
  margin: 0 0 45px;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(38px, 5vw, 56px);
  line-height: 1.03;
  font-weight: 500;
  letter-spacing: -0.052em;
}

#zixing-agentic-research .agentic-pillar-heading span { color: var(--agentic-secondary); }

#zixing-agentic-research .agentic-pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--agentic-line);
}

#zixing-agentic-research .agentic-pillar {
  padding: 29px 30px 0 0;
  border-right: 1px solid var(--agentic-line);
}

#zixing-agentic-research .agentic-pillar + .agentic-pillar { padding-left: 30px; }
#zixing-agentic-research .agentic-pillar:last-child { border-right: 0; }
#zixing-agentic-research .agentic-pillar-code { display: block; margin-bottom: 16px; font-size: 13px; font-weight: 500; }
#zixing-agentic-research .agentic-pillar:nth-child(1) .agentic-pillar-code { color: var(--agentic-rsi); }
#zixing-agentic-research .agentic-pillar:nth-child(2) .agentic-pillar-code { color: var(--agentic-rl); }
#zixing-agentic-research .agentic-pillar:nth-child(3) .agentic-pillar-code { color: var(--agentic-embodied); }
#zixing-agentic-research .agentic-pillar h2 { margin: 0 0 12px; font-size: 22px; line-height: 1.12; font-weight: 500; letter-spacing: -0.035em; }
#zixing-agentic-research .agentic-pillar p { margin: 0; color: var(--agentic-secondary); font-size: 15px; line-height: 1.55; }

#zixing-agentic-research .agentic-publications {
  padding: 94px 0 112px;
  background: var(--agentic-surface);
}

#zixing-agentic-research .agentic-publication-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: end;
  padding-bottom: 24px;
  border-bottom: 3px solid var(--agentic-ink);
  margin-bottom: 30px;
}

#zixing-agentic-research .agentic-publication-head h2 {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-size: clamp(38px, 5vw, 56px);
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.052em;
}

#zixing-agentic-research .agentic-publication-actions { text-align: right; }
#zixing-agentic-research .agentic-result-count { display: block; margin-bottom: 8px; color: var(--agentic-secondary); font-size: 11px; }
#zixing-agentic-research .agentic-scholar { color: var(--agentic-blue); font-size: 14px; }

#zixing-agentic-research .agentic-paper-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

#zixing-agentic-research .agentic-more {
  margin-top: 28px;
  border-top: 1px solid var(--agentic-line);
  border-bottom: 1px solid var(--agentic-line);
}

#zixing-agentic-research .agentic-more-toggle {
  width: 100%;
  min-height: 104px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 20px 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
}

#zixing-agentic-research .agentic-more-heading {
  display: grid;
  gap: 7px;
}

#zixing-agentic-research .agentic-more-kicker {
  color: var(--agentic-secondary);
  font-size: 11px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

#zixing-agentic-research .agentic-more-title {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-size: 25px;
  font-weight: 500;
  letter-spacing: -0.04em;
}

#zixing-agentic-research .agentic-more-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--agentic-secondary);
  font-size: 12px;
}

#zixing-agentic-research .agentic-more-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid #b8b8bd;
  border-radius: 50%;
  color: var(--agentic-ink);
  font-size: 20px;
  font-weight: 300;
  line-height: 1;
  transition: transform 180ms ease, background-color 180ms ease, color 180ms ease;
}

#zixing-agentic-research .agentic-more-toggle:hover .agentic-more-icon {
  border-color: var(--agentic-ink);
  background: var(--agentic-ink);
  color: var(--agentic-white);
}

#zixing-agentic-research .agentic-more-toggle[aria-expanded="true"] .agentic-more-icon {
  transform: rotate(45deg);
}

#zixing-agentic-research .agentic-more-panel {
  padding: 4px 0 28px;
}

#zixing-agentic-research .agentic-paper {
  min-width: 0;
  min-height: 390px;
  display: flex;
  flex-direction: column;
  padding: 31px 32px 29px;
  background: var(--agentic-white);
}

#zixing-agentic-research .agentic-paper[hidden] { display: none; }

#zixing-agentic-research .agentic-paper-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

#zixing-agentic-research .agentic-paper-tags { display: flex; flex-wrap: wrap; gap: 7px; }

#zixing-agentic-research .agentic-tag {
  display: inline-flex;
  align-items: center;
  min-height: 25px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

#zixing-agentic-research .agentic-tag-rsi { background: var(--agentic-rsi-soft); color: var(--agentic-rsi); }
#zixing-agentic-research .agentic-tag-rl { background: var(--agentic-rl-soft); color: var(--agentic-rl); }
#zixing-agentic-research .agentic-tag-embodied { background: var(--agentic-embodied-soft); color: var(--agentic-embodied); }
#zixing-agentic-research .agentic-paper-year { flex: none; color: var(--agentic-secondary); font-size: 12px; }

#zixing-agentic-research .agentic-paper h3 {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-size: 27px;
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: -0.045em;
}

#zixing-agentic-research .agentic-authors {
  margin: 15px 0 19px;
  color: var(--agentic-secondary);
  font-size: 13px;
  line-height: 1.4;
}

#zixing-agentic-research .agentic-abstract {
  margin: 0 0 24px;
  color: #48484a;
  font-size: 14px;
  line-height: 1.55;
}

#zixing-agentic-research .agentic-paper-link {
  margin-top: auto;
  color: var(--agentic-blue);
  font-size: 14px;
}

#zixing-agentic-research .agentic-paper-link:hover,
#zixing-agentic-research .agentic-scholar:hover { text-decoration: underline; }

#zixing-agentic-research .agentic-footer {
  padding: 25px 0 30px;
  border-top: 1px solid var(--agentic-line);
  background: var(--agentic-white);
  color: var(--agentic-secondary);
  font-size: 11px;
}

#zixing-agentic-research .agentic-footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

#zixing-agentic-research .agentic-footer-links { display: flex; gap: 20px; }
#zixing-agentic-research .agentic-footer a:hover { color: var(--agentic-ink); }

@media (max-width: 820px) {
  #zixing-agentic-research .agentic-nav-links a:not(:last-child) { display: none; }
  #zixing-agentic-research .agentic-hero,
  #zixing-agentic-research .agentic-hero-inner { min-height: 590px; }
  #zixing-agentic-research .agentic-pillar-grid { grid-template-columns: 1fr; }
  #zixing-agentic-research .agentic-pillar,
  #zixing-agentic-research .agentic-pillar + .agentic-pillar { padding: 27px 0; border-right: 0; border-bottom: 1px solid var(--agentic-line); }
  #zixing-agentic-research .agentic-pillar:last-child { border-bottom: 0; }
  #zixing-agentic-research .agentic-paper-grid { grid-template-columns: 1fr; }
  #zixing-agentic-research .agentic-paper { min-height: 350px; }
}

@media (max-width: 480px) {
  #zixing-agentic-research .agentic-width { width: calc(100% - 32px); }
  #zixing-agentic-research .agentic-wordmark { font-size: 15px; }
  #zixing-agentic-research .agentic-hero,
  #zixing-agentic-research .agentic-hero-inner { min-height: 600px; }
  #zixing-agentic-research .agentic-hero-inner { padding: 58px 0; }
  #zixing-agentic-research .agentic-hero h1 { font-size: 47px; line-height: 1; }
  #zixing-agentic-research .agentic-intro { font-size: 16px; }
  #zixing-agentic-research .agentic-filter-label { width: 100%; }
  #zixing-agentic-research .agentic-pillars { padding: 68px 0 72px; }
  #zixing-agentic-research .agentic-pillar-heading { font-size: 39px; }
  #zixing-agentic-research .agentic-publications { padding: 68px 0 76px; }
  #zixing-agentic-research .agentic-publication-head { grid-template-columns: 1fr; align-items: start; }
  #zixing-agentic-research .agentic-publication-head h2 { font-size: 40px; }
  #zixing-agentic-research .agentic-publication-actions { text-align: left; }
  #zixing-agentic-research .agentic-paper { min-height: 0; padding: 26px 24px; }
  #zixing-agentic-research .agentic-paper h3 { font-size: 24px; }
  #zixing-agentic-research .agentic-more-toggle { min-height: 92px; gap: 20px; }
  #zixing-agentic-research .agentic-more-title { font-size: 22px; }
  #zixing-agentic-research .agentic-more-meta { gap: 10px; }
  #zixing-agentic-research .agentic-footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  #zixing-agentic-research *,
  #zixing-agentic-research *::before,
  #zixing-agentic-research *::after { scroll-behavior: auto !important; transition: none !important; }
}