.amur-reading-progress {
  position: fixed;
  z-index: 1200;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  pointer-events: none;
}

.amur-reading-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #f28a91 0%, #ff4081 56%, #cf2f76 100%);
  box-shadow: 0 2px 10px rgba(255, 64, 129, .35);
  transition: width .08s linear;
}

.amur-article {
  --article-ink: #111d3a;
  --article-text: #394763;
  --article-muted: #78839a;
  --article-line: #e7ecf4;
  --article-pink: #ff397d;
  --article-soft: #fff3f7;
  position: relative;
  overflow: hidden;
  padding: 18px 0 64px;
  color: var(--article-text);
  background:
    radial-gradient(circle at 7% 7%, rgba(255, 57, 125, .08), transparent 24%),
    radial-gradient(circle at 94% 34%, rgba(77, 185, 222, .07), transparent 24%),
    #fefdfe;
}

.amur-article *,
.amur-article *::before,
.amur-article *::after {
  box-sizing: border-box;
}

.amur-article__container {
  position: relative;
  z-index: 1;
}

.amur-article__hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 2.5fr) minmax(320px, .85fr);
  width: 96%;
  margin: 0 0 0 27px;
  min-height: 390px;
  overflow: hidden;
  border: 1px solid rgba(227, 231, 241, .95);
  border-radius: 30px;
  background: linear-gradient(125deg, #ffffff 0%, #fff8fb 56%, #ffe9f1 100%);
  box-shadow: 0 20px 52px rgba(23, 32, 51, .08);
}

.amur-article__hero::before,
.amur-article__hero::after {
  position: absolute;
  border-radius: 999px;
  content: "";
  pointer-events: none;
}

.amur-article__hero::before {
  right: 33%;
  bottom: -115px;
  width: 270px;
  height: 270px;
  background: rgba(255, 57, 125, .08);
  filter: blur(4px);
}

.amur-article__hero::after {
  top: -65px;
  right: 26%;
  width: 170px;
  height: 170px;
  border: 38px solid rgba(242, 138, 145, .08);
}

.amur-article__hero-copy {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px 20px 20px 43px;
}

.amur-article__meta {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--article-pink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.amur-article__title {
  margin: 0;
  color: var(--article-ink);
  font-family: "Century Gothic", "Segoe UI", Arial, sans-serif;
  font-size: clamp(34px, 3.3vw, 56px);
  font-weight: 700;
  line-height: 1.09;
  letter-spacing: -.035em;
}

.amur-article__lead {
  margin-top: 22px;
  color: #58657e;
  font-size: 17px;
  line-height: 1.65;
  text-align: justify;
}

.amur-article__lead > :first-child {
  margin-top: 0;
}

.amur-article__lead > :last-child {
  margin-bottom: 0;
}

.amur-article__cover {
  position: relative;
  z-index: 1;
  min-height: 390px;
  overflow: hidden;
}

.amur-article__cover::before {
  position: absolute;
  z-index: 2;
  inset: 0 auto 0 0;
  width: 14%;
  background: linear-gradient(90deg, #fff8fb 0%, rgba(255, 248, 251, 0) 100%);
  content: "";
}

.amur-article__cover img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 390px;
  padding: 14px;
  object-fit: contain;
}

.amur-article__layout {
  display: grid;
  grid-template-columns: 255px minmax(0, 1100px);
  justify-content: center;
  align-items: start;
  gap: 28px;
  margin-top: 32px;
}

.amur-article__aside {
  position: sticky;
  top: 86px;
}

.amur-article__toc-toggle {
  display: flex;
  width: 100%;
  min-height: 50px;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 0;
  border-bottom: 1px solid var(--article-line);
  color: var(--article-ink);
  background: transparent;
  font: 700 14px/1.3 "Century Gothic", "Segoe UI", Arial, sans-serif;
  text-align: left;
  cursor: pointer;
}

.amur-article__toc-chevron {
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--article-pink);
  border-bottom: 2px solid var(--article-pink);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .2s ease;
}

.amur-article__toc-toggle[aria-expanded="true"] .amur-article__toc-chevron {
  transform: rotate(225deg) translate(-1px, -1px);
}

.amur-article__aside {
  overflow: hidden;
  border: 1px solid var(--article-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, .92);
  box-shadow: 0 12px 32px rgba(23, 32, 51, .055);
  backdrop-filter: blur(12px);
}

.amur-article__toc {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-height: calc(100vh - 190px);
  overflow: auto;
  padding: 10px;
  scrollbar-width: thin;
  scrollbar-color: #f7a4c0 transparent;
}

.amur-article__toc[hidden],
.amur-article__aside[hidden] {
  display: none;
}

.amur-article__toc a {
  display: block;
  padding: 9px 10px;
  border-radius: 10px;
  color: #58657e;
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: color .18s ease, background-color .18s ease, transform .18s ease;
}

.amur-article__toc a:hover,
.amur-article__toc a.is-active {
  color: var(--article-pink);
  background: var(--article-soft);
  transform: translateX(2px);
}

.amur-article__toc a[data-level="3"] {
  padding-left: 23px;
  font-size: 12px;
}

.amur-article__paper {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--article-line);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 18px 48px rgba(23, 32, 51, .065);
}

.amur-article__body {
  padding: 30px;
  color: var(--article-text);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.78;
  text-align: justify;
}

.amur-article__body > :first-child {
  margin-top: 0;
}

.amur-article__body > p:first-of-type {
  color: #26334d;
  font-size: 19px;
  line-height: 1.72;
}

.amur-article__body h2,
.amur-article__body h3,
.amur-article__body h4 {
  position: relative;
  scroll-margin-top: 105px;
  color: var(--article-ink);
  font-family: "Century Gothic", "Segoe UI", Arial, sans-serif;
  font-weight: 700;
  letter-spacing: -.018em;
}

.amur-article__body h2 {
  margin: 18px 0 20px;
  padding-top: 15px;
  font-size: 30px;
  line-height: 1.25;
}

.amur-article__body h2::before {
  display: block;
  width: 52px;
  height: 4px;
  margin-bottom: 16px;
  border-radius: 99px;
  background: linear-gradient(90deg, #f28a91, #ff4081);
  content: "";
}

.amur-article__body h3 {
  margin: 38px 0 14px;
  font-size: 23px;
  line-height: 1.32;
}

.amur-article__body h4 {
  margin: 30px 0 12px;
  font-size: 19px;
}

.amur-article__body p,
.amur-article__body ul,
.amur-article__body ol {
  margin: 0 0 20px;
}

.amur-article__body ul,
.amur-article__body ol {
  padding-left: 24px;
}

.amur-article__body li {
  margin-bottom: 8px;
  padding-left: 4px;
}

.amur-article__body li::marker {
  color: var(--article-pink);
}

.amur-article__body a {
  color: #e92f72;
  text-decoration-color: rgba(233, 47, 114, .3);
  text-underline-offset: 3px;
}

.amur-article__body blockquote {
  position: relative;
  margin: 36px 0;
  padding: 26px 30px 26px 36px;
  border: 0;
  border-radius: 18px;
  color: #26334d;
  background: linear-gradient(120deg, #fff1f6, #fff9fb);
  font-size: 19px;
  line-height: 1.6;
}

.amur-article__body blockquote::before {
  position: absolute;
  top: 18px;
  left: 14px;
  color: var(--article-pink);
  content: "“";
  font: 700 38px/1 Georgia, serif;
}

.amur-article__body img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 30px auto;
  border-radius: 18px;
}

.amur-article__body table {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 28px 0;
  overflow-x: auto;
  border-collapse: collapse;
}

.amur-article__body th,
.amur-article__body td {
  padding: 13px 15px;
  border: 1px solid var(--article-line);
  text-align: left;
}

.amur-article__body th {
  color: var(--article-ink);
  background: #fff5f8;
}

.amur-article__comments {
  max-width: 900px;
  margin: 30px auto 0;
  padding: 28px;
  border: 1px solid var(--article-line);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 14px 40px rgba(23, 32, 51, .05);
}

@media (max-width: 1199px) {
  .amur-article__hero {
    grid-template-columns: minmax(0, 2.5fr) minmax(280px, .8fr);
  }

  .amur-article__hero-copy {
    padding-left: 32px;
  }

  .amur-article__layout {
    grid-template-columns: 225px minmax(0, 1fr);
  }
}

@media (max-width: 991px) {
  .amur-article {
    padding-top: 12px;
  }

  .amur-article__hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .amur-article__hero-copy {
    padding: 38px 34px;
  }

  .amur-article__cover {
    min-height: 300px;
    max-height: 440px;
    order: -1;
  }

  .amur-article__cover::before {
    inset: auto 0 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(0deg, #fff8fb 0%, rgba(255, 248, 251, 0) 100%);
  }

  .amur-article__cover img {
    min-height: 300px;
    max-height: 440px;
    padding: 10px;
  }

  .amur-article__layout {
    display: block;
    margin-top: 20px;
  }

  .amur-article__aside {
    position: relative;
    top: auto;
    margin-bottom: 14px;
  }

  .amur-article__toc {
    display: none;
    max-height: none;
  }

  .amur-article__toc.is-open {
    display: flex;
  }
}

@media (max-width: 767px) {
  .amur-article {
    padding: 8px 0 34px;
  }

  .amur-article__container {
    width: 100%;
    padding: 0 10px;
  }

  .amur-article__hero {
    width: 100%;
    margin-left: 0;
    border-radius: 20px;
  }

  .amur-article__cover,
  .amur-article__cover img {
    min-height: 220px;
    max-height: 310px;
  }

  .amur-article__hero-copy {
    padding: 28px 22px 32px;
  }

  .amur-article__meta {
    margin-bottom: 13px;
    font-size: 10px;
  }

  .amur-article__title {
    font-size: clamp(28px, 8vw, 38px);
    line-height: 1.14;
  }

  .amur-article__lead {
    margin-top: 16px;
    font-size: 15px;
  }

  .amur-article__paper {
    border-radius: 18px;
  }

  .amur-article__body {
    font-size: 16px;
    line-height: 1.72;
  }

  .amur-article__body > p:first-of-type {
    font-size: 17px;
  }

  .amur-article__body h2 {
    margin: 18px 0 20px;
    font-size: 25px;
  }

  .amur-article__body h3 {
    margin-top: 30px;
    font-size: 20px;
  }

  .amur-article__body blockquote {
    margin: 28px 0;
    padding: 22px 20px 22px 31px;
    font-size: 17px;
  }

  .amur-article__body img {
    margin: 22px auto;
    border-radius: 14px;
  }

  .amur-article__comments {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .amur-reading-progress__bar,
  .amur-article__toc a,
  .amur-article__toc-chevron {
    transition: none;
  }
}