/* ---------- 关于 ---------- */

.about {
  background: var(--accent-soft);
  border-top: var(--stroke);
  padding: 56px 0;
}

.about-head {
  margin-bottom: 32px;
}

.about-lede {
  max-width: 40em;
  margin: 12px 0 0;
  font-size: 17px;
  line-height: 1.65;
  color: var(--c-secondary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  align-items: stretch;
}

.about-portrait {
  border: var(--stroke);
  box-shadow: var(--shadow-lg);
  background: var(--accent);
  color: var(--on-accent);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.about-portrait-dots {
  height: 96px;
  border-bottom: var(--stroke);
  background:
    radial-gradient(circle at 4px 4px, var(--black) 2.5px, transparent 0) 0 0 / 22px 22px,
    var(--accent);
}

.about-portrait-body {
  padding: 24px;
  flex: 1;
}

.about-portrait-body h3 {
  font-size: 26px;
  margin: 0 0 6px;
}

.about-role {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  opacity: 0.9;
}

.about-city {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  margin: 0 0 16px;
}

.about-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 15px;
}

.about-facts li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.about-facts li::before {
  content: "▸";
  font-weight: 800;
  flex: none;
  margin-top: 1px;
}

.about-fact-name {
  font-weight: 800;
}

/* 卡底是 --accent，深强调色时文字走 --on-accent（浅色）。
   这里不能写死 --c-secondary 深灰，否则深色主题下看不见——
   继承 --on-accent 再用透明度做次要层级。 */
.about-fact-desc {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: inherit;
  opacity: 0.78;
  font-weight: 400;
}

.about-text {
  border: var(--stroke);
  box-shadow: var(--shadow);
  background: var(--white);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-block {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-text h3 {
  font-size: 22px;
  margin: 0;
}

.about-text p {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  color: var(--c-secondary);
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about-sign {
  margin: 0;
  padding-top: 6px;
  font-size: 15px;
}

.about-sign a {
  color: var(--ink);
  font-weight: 800;
  text-underline-offset: 3px;
}

@media (min-width: 768px) {
  .about {
    padding: 72px 0;
  }

  .about-grid {
    grid-template-columns: 0.9fr 1.1fr;
  }
}