:root {
  color-scheme: dark;
  --bg: #000;
  --text: #fff;
  --muted: rgba(255, 255, 255, 0.72);
  --font-sans: "Source Han Sans CN", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
}

.about-page {
  position: relative;
  background: #000;
  color: #fff;
}

.about-page__title {
  position: absolute;
  left: 506px;
  top: 300px;
  margin: 0;
  font-size: 75px;
  font-weight: 700;
  line-height: 1.1;
}

.about-hero {
  position: absolute;
  left: 506px;
  top: 480px;
  display: grid;
  grid-template-columns: 1100px 1fr;
  gap: 120px;
  width: 2830px;
}

.about-hero__portrait {
  margin: 0;
  width: 1100px;
  height: 1500px;
  overflow: hidden;
  background: #111;
}

.about-hero__portrait img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
}

.about-hero__name {
  margin: 0;
  font-size: 96px;
  font-weight: 700;
  line-height: 1.1;
}

.about-hero__en {
  margin: 12px 0 0;
  font-size: 36px;
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.about-hero__role {
  margin: 36px 0 0;
  font-size: 36px;
  font-weight: 400;
}

.about-hero__bio {
  margin-top: 48px;
  font-size: 32px;
  font-weight: 300;
  line-height: 60px;
  color: var(--muted);
}

.about-hero__bio p {
  margin: 0 0 36px;
}

.about-hero__bio p:last-child {
  margin-bottom: 0;
}

.about-rule {
  position: absolute;
  left: 521px;
  width: 2678px;
  margin: 0;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.35);
}

.about-rule--1 { top: 2140px; }
.about-rule--2 { top: 3180px; }
.about-rule--3 { top: 4300px; }

.about-block {
  position: absolute;
  left: 506px;
  width: 2830px;
}

.about-block--titles { top: 2240px; }
.about-block--awards { top: 3280px; }
.about-block--contact { top: 4400px; }

.about-block h2 {
  margin: 0 0 100px;
  font-size: 75px;
  font-weight: 700;
  line-height: 1.1;
}

.about-list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 36px;
  font-weight: 300;
  line-height: 80px;
  color: var(--muted);
}

.about-contact__grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px 40px;
  margin: 0;
  font-size: 32px;
  font-weight: 300;
  line-height: 1.5;
}

.about-contact__grid dt {
  margin: 0;
  color: rgba(255, 255, 255, 0.55);
}

.about-contact__grid dd {
  margin: 0;
  color: var(--muted);
}

.about-contact__grid a {
  color: #fff;
  text-decoration: none;
}

.about-contact__grid a:hover {
  text-decoration: underline;
}

.about-contact__cv {
  margin: 80px 0 0;
  font-size: 32px;
  font-weight: 400;
  color: #fff;
}

@media (max-width: 900px) {
  .page-frame { height: auto !important; overflow: visible; }
  .about-page {
    width: 100% !important;
    height: auto !important;
    padding: 140px 20px 80px;
    transform: none !important;
  }
  .about-page__title,
  .about-hero,
  .about-rule,
  .about-block {
    position: static;
    width: 100%;
  }
  .about-page__title { font-size: 40px; margin-bottom: 32px; }
  .about-hero {
    display: flex;
    flex-direction: column;
    gap: 28px;
  }
  .about-hero__portrait {
    width: 100%;
    height: auto;
    aspect-ratio: 11 / 15;
  }
  .about-hero__name { font-size: 42px; }
  .about-hero__en,
  .about-hero__role { font-size: 18px; }
  .about-hero__bio {
    font-size: 15px;
    line-height: 1.8;
  }
  .about-rule {
    margin: 36px 0;
    width: 100%;
  }
  .about-block h2 {
    margin-bottom: 20px;
    font-size: 28px;
  }
  .about-list {
    font-size: 15px;
    line-height: 1.9;
  }
  .about-contact__grid {
    grid-template-columns: 1fr;
    gap: 6px 0;
    font-size: 15px;
  }
  .about-contact__grid div { display: contents; }
  .about-contact__grid dt { margin-top: 16px; }
  .about-contact__cv {
    margin-top: 28px;
    font-size: 15px;
  }
}