/* Original editorial layout for the Law × AI research workspace. */
.experiment-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.experiment-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
}
.experiment-mark {
  background: var(--experiment-soft);
  color: var(--experiment-accent);
  border-radius: 14px;
  padding: 20px;
  font:
    italic 2rem Georgia,
    serif;
  display: flex;
  justify-content: space-between;
  margin-bottom: 20px;
}
.experiment-mark span {
  font-style: normal;
  font-size: 2.2rem;
}
.experiment-kind {
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--experiment-accent);
  margin-bottom: 10px;
}
.experiment-card h3 {
  font-size: 1.05rem;
  margin-bottom: 12px;
}
.experiment-card > p:not(.experiment-kind) {
  font-size: 0.79rem;
  line-height: 1.85;
  color: var(--muted);
  margin-bottom: 24px;
}
.experiment-links {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  font-size: 0.73rem;
}
.experiment-links a:first-child {
  color: var(--experiment-accent);
  font-weight: 600;
}
.experiment-boundary {
  font-size: 0.77rem;
  line-height: 1.9;
  color: var(--muted);
  padding-top: 20px;
  margin-bottom: 0;
}
@media (max-width: 1000px) {
  .experiment-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 580px) {
  .experiment-grid {
    grid-template-columns: 1fr;
  }
  .experiment-card {
    padding: 22px;
  }
  .experiment-card h3 {
    font-size: 1.1rem;
  }
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 24px;
}
.portfolio-header {
  background: transparent;
}
.portfolio-header .header-inner {
  max-width: 1280px;
  padding: 22px 36px;
}
.portfolio-nav {
  display: flex;
  gap: 26px;
  align-items: center;
  margin-left: auto;
  font-size: 0.79rem;
}
.portfolio-nav a {
  text-decoration: none;
  color: var(--muted);
}
.portfolio-nav a:hover {
  color: var(--accent);
}
.language-toggle {
  font-size: 0.75rem;
  min-width: 58px;
  padding: 5px 10px;
  background: transparent;
}
.portfolio-shell {
  max-width: 1280px;
  margin: auto;
  padding: 0 36px;
}
.portfolio-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 328px;
  gap: 64px;
  align-items: center;
  padding: 90px 0 82px;
}
.hero-copy .eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  margin-bottom: 25px;
}
.portfolio-hero h1 {
  font-size: clamp(2.4rem, 4.1vw, 3.65rem);
  line-height: 1.17;
  letter-spacing: -0.045em;
  margin-bottom: 26px;
}
.portfolio-hero h1 > span {
  display: block;
}
.hero-second {
  color: var(--accent);
}
.hero-description {
  font-size: 1rem;
  line-height: 1.95;
  max-width: 640px;
  color: var(--muted);
  margin-bottom: 30px;
}
.hero-links {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}
.cta {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  padding: 12px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.83rem;
}
.cta:hover {
  background: #174e48;
}
.text-link {
  font-size: 0.83rem;
  text-decoration: none;
  display: inline-flex;
  gap: 18px;
  align-items: center;
}
.workspace-status {
  margin: 24px 0 0;
  display: flex;
  gap: 9px;
  align-items: center;
  color: var(--muted);
  font-size: 0.71rem;
  line-height: 1.7;
}
.status-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--gold);
}
.research-figure {
  position: relative;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface);
  box-shadow:
    14px 16px 0 #e7ede1,
    0 6px 24px #1f393508;
  transform: rotate(-1.25deg);
}
.figure-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--line);
}
.figure-heading .eyebrow {
  margin: 0;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
}
.figure-dot {
  width: 6px;
  height: 6px;
  background: var(--gold);
  border-radius: 50%;
}
.source-sheet {
  background: var(--paper);
  padding: 22px 22px 17px;
  border: 1px solid var(--line);
  border-radius: 4px;
  margin: 20px 8px 15px;
  position: relative;
}
.sheet-rule {
  height: 2px;
  background: var(--gold);
  width: 22px;
  margin-bottom: 20px;
}
.sheet-number {
  position: absolute;
  right: 18px;
  top: 18px;
  font:
    italic 2.15rem/1 Georgia,
    serif;
  color: #bccbbf;
}
.source-sheet p {
  font:
    1.45rem/1.3 Georgia,
    "Noto Serif SC",
    "Songti SC",
    serif;
  margin-bottom: 8px;
}
.sheet-caption {
  font-size: 0.7rem;
  color: var(--muted);
}
.sheet-lines {
  margin-top: 18px;
  display: grid;
  gap: 6px;
}
.sheet-lines i {
  display: block;
  height: 2px;
  width: 100%;
  background: #d8e1d6;
}
.sheet-lines i:nth-child(2) {
  width: 85%;
}
.sheet-lines i:nth-child(3) {
  width: 55%;
}
.trace-row {
  display: flex;
  align-items: center;
  gap: 11px;
  font-size: 0.72rem;
  padding: 9px 8px;
}
.trace-line {
  width: 17px;
  height: 1px;
  background: var(--gold);
}
.trace-number {
  margin-left: auto;
  font:
    italic 0.94rem/1 Georgia,
    serif;
  color: var(--muted);
}
.figure-footnote {
  font-size: 0.63rem;
  line-height: 1.7;
  color: var(--muted);
  margin: 15px 0 0;
  padding-top: 13px;
  border-top: 1px solid var(--line);
}
.portfolio-section {
  border-top: 1px solid var(--line);
  padding: 45px 0 52px;
  scroll-margin-top: 20px;
}
.portfolio-section-heading {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 40px;
  align-items: end;
  margin-bottom: 30px;
}
.portfolio-section-heading .eyebrow {
  margin-bottom: 10px;
  font-size: 0.65rem;
}
.portfolio-section-heading h2 {
  font-size: 2rem;
  margin-bottom: 0;
}
.portfolio-section-heading > p {
  font-size: 0.84rem;
  line-height: 1.9;
  color: var(--muted);
  margin: 0;
}
.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.tool-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 25px 27px;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  min-width: 0;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}
.tool-card:hover {
  border-color: #9db9a8;
  box-shadow: 0 10px 24px #183d3b07;
}
.tool-topline {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 20px;
}
.tool-number {
  font:
    italic 1.4rem/1 Georgia,
    serif;
  color: var(--gold);
}
.tool-kind {
  color: var(--muted);
  font-size: 0.61rem;
  letter-spacing: 0.08em;
}
.tool-card h3 {
  font-size: 1.08rem;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
  overflow-wrap: anywhere;
  font-weight: 650;
}
.tool-subtitle {
  font-size: 0.76rem;
  color: var(--muted);
  margin-bottom: 15px;
}
.tool-description {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.9;
  max-width: 500px;
  margin-bottom: 19px;
}
.tool-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: auto;
  margin-bottom: 23px;
}
.tool-tags span {
  font-size: 0.65rem;
  color: var(--muted);
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 99px;
}
.tool-links {
  display: flex;
  gap: 20px;
  font-size: 0.76rem;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.tool-links a {
  text-decoration: none;
}
.tool-links a:first-child {
  font-weight: 650;
}
.tool-links a:last-child {
  margin-left: auto;
  color: var(--muted);
}
.library-card {
  background: #eaf0e5;
  border-color: #aec3ae;
}
.library-card .tool-kind {
  color: var(--accent);
}
.library-card .tool-links {
  border-color: #c3d2bf;
}
.library-card .tool-tags span {
  border-color: #bccdb9;
}
.featured-label {
  margin-left: auto;
  font-size: 0.61rem;
  color: var(--accent);
  padding: 2px 8px;
  border: 1px solid #b8cbb6;
  border-radius: 99px;
  white-space: nowrap;
}
.suite-boundary {
  display: flex;
  gap: 14px;
  margin: 20px 4px 0;
  align-items: flex-start;
}
.suite-boundary p {
  font-size: 0.74rem;
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
  max-width: 880px;
}
.boundary-mark {
  color: var(--gold);
  font-size: 1.3rem;
  line-height: 1.2;
}
.interest-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 38px;
}
.interest-item {
  padding-top: 10px;
  display: flex;
  flex-direction: column;
}
.interest-index {
  font:
    italic 1.7rem/1 Georgia,
    serif;
  color: var(--gold);
  margin-bottom: 17px;
}
.interest-item h3 {
  font:
    1.23rem/1.5 Georgia,
    "Noto Serif SC",
    "Songti SC",
    serif;
  font-weight: 500;
  margin-bottom: 12px;
}
.interest-item p {
  font-size: 0.84rem;
  line-height: 1.9;
  color: var(--muted);
  margin-bottom: 20px;
}
.interest-topic {
  font-size: 0.67rem;
  line-height: 1.9;
  color: var(--accent);
  margin-top: auto;
}
.agenda-link-row {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  gap: 30px;
  justify-content: space-between;
  align-items: start;
}
.agenda-link-row p {
  font-size: 0.74rem;
  line-height: 1.9;
  color: var(--muted);
  margin: 0;
  max-width: 680px;
}
.agenda-link-row a {
  font-size: 0.76rem;
  white-space: nowrap;
}
.method-section {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 86px;
  padding-bottom: 64px;
}
.method-intro h2 {
  font-size: 2rem;
  max-width: 380px;
  margin-bottom: 20px;
}
.method-intro > p:not(.eyebrow) {
  font-size: 0.87rem;
  line-height: 1.9;
  color: var(--muted);
  max-width: 370px;
}
.method-intro > a {
  font-size: 0.78rem;
}
.method-principles > div {
  position: relative;
  padding: 0 0 22px 42px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
}
.method-principles > div:last-child {
  margin: 0;
  padding-bottom: 0;
  border: 0;
}
.principle-number {
  position: absolute;
  top: 4px;
  left: 0;
  font:
    italic 0.98rem/1 Georgia,
    serif;
  color: var(--gold);
}
.method-principles h3 {
  font-size: 0.94rem;
  margin: 0 0 7px;
}
.method-principles p {
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}
.portfolio-footer {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 36px 34px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 30px;
  font-size: 0.73rem;
  color: var(--muted);
}
.portfolio-footer .brand {
  font-size: 0.77rem;
}
.portfolio-footer p {
  margin: 7px 0 0;
}
.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 7px;
}
.footer-right a {
  text-decoration: none;
}
.footer-right span {
  font-size: 0.68rem;
}
.portfolio-shell:lang(zh-CN) .portfolio-hero h1 {
  letter-spacing: -0.025em;
  line-height: 1.3;
  font-size: clamp(2.35rem, 4.1vw, 3.55rem);
}
@media (max-width: 1100px) {
  .portfolio-hero {
    grid-template-columns: minmax(0, 1fr) 285px;
    gap: 32px;
    padding-top: 65px;
  }
  .portfolio-hero h1 {
    font-size: 2.85rem;
  }
  .research-figure {
    padding: 19px;
  }
  .hero-description {
    font-size: 0.94rem;
  }
  .portfolio-section-heading {
    grid-template-columns: 1fr 320px;
    gap: 30px;
  }
  .method-section {
    gap: 45px;
  }
  .interest-grid {
    gap: 24px;
  }
}
@media (max-width: 820px) {
  .portfolio-header .header-inner {
    padding: 18px 24px;
    gap: 14px;
    flex-wrap: wrap;
  }
  .portfolio-nav {
    gap: 18px;
    font-size: 0.74rem;
  }
  .portfolio-shell {
    padding: 0 24px;
  }
  .portfolio-hero {
    grid-template-columns: 1fr;
    padding: 55px 0;
    gap: 38px;
  }
  .portfolio-hero h1 {
    font-size: 3.05rem;
  }
  .research-figure {
    max-width: 370px;
    transform: none;
    margin-left: 8px;
  }
  .portfolio-section-heading {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .portfolio-section-heading > p {
    max-width: 560px;
  }
  .interest-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .interest-item {
    padding-top: 0;
  }
  .interest-index {
    margin-bottom: 10px;
  }
  .interest-item p {
    margin-bottom: 10px;
  }
  .agenda-link-row {
    display: block;
  }
  .agenda-link-row a {
    display: inline-block;
    margin-top: 15px;
  }
  .method-section {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .method-intro h2,
  .method-intro > p:not(.eyebrow) {
    max-width: 600px;
  }
  .portfolio-footer {
    padding-left: 24px;
    padding-right: 24px;
  }
}
@media (max-width: 580px) {
  .portfolio-header .header-inner {
    padding: 16px 18px;
  }
  .portfolio-nav {
    order: 3;
    width: 100%;
    margin: 0;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.71rem;
  }
  .language-toggle {
    margin-left: auto;
  }
  .portfolio-shell {
    padding: 0 18px;
  }
  .portfolio-hero {
    padding: 42px 0 45px;
    gap: 30px;
  }
  .hero-copy .eyebrow {
    font-size: 0.58rem;
    letter-spacing: 0.07em;
    margin-bottom: 19px;
  }
  .portfolio-hero h1 {
    font-size: 2.3rem;
    line-height: 1.23;
    margin-bottom: 20px;
    letter-spacing: -0.045em;
  }
  .hero-description {
    font-size: 0.87rem;
    line-height: 1.9;
  }
  .hero-links {
    gap: 18px;
  }
  .cta {
    font-size: 0.77rem;
    padding: 11px 14px;
    gap: 14px;
  }
  .text-link {
    font-size: 0.77rem;
    gap: 9px;
  }
  .workspace-status {
    font-size: 0.65rem;
    align-items: flex-start;
  }
  .workspace-status .status-dot {
    margin-top: 7px;
  }
  .research-figure {
    margin: 0 10px 0 0;
    width: calc(100% - 10px);
  }
  .portfolio-section {
    padding: 32px 0 37px;
  }
  .portfolio-section-heading h2,
  .method-intro h2 {
    font-size: 1.8rem;
  }
  .tool-grid {
    grid-template-columns: 1fr;
  }
  .tool-card {
    padding: 22px;
  }
  .tool-topline {
    margin-bottom: 16px;
  }
  .tool-card h3 {
    font-size: 1.03rem;
  }
  .tool-description {
    font-size: 0.82rem;
  }
  .portfolio-footer {
    padding: 24px 18px;
    display: block;
  }
  .footer-right {
    align-items: flex-start;
    margin-top: 18px;
  }
  .portfolio-shell:lang(zh-CN) .portfolio-hero h1 {
    font-size: 2.25rem;
  }
  .method-principles > div {
    padding-left: 35px;
  }
  .agenda-link-row a {
    white-space: normal;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}