body {
  background: #fff;
}

.content-shell,
.article-shell {
  min-height: 100vh;
  background: #fff;
}

.catalog-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 1px 0 rgba(17, 24, 39, 0.08);
}

.catalog-header__inner {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 10px;
  min-height: 64px;
  padding: 8px var(--page-side) 6px;
}

.catalog-header__menu {
  display: inline-grid;
  align-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  border: 0;
  background: transparent;
}

.catalog-header__menu span {
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: #2d2d2d;
}

.catalog-header__back {
  position: relative;
  width: 36px;
  height: 36px;
  border: 0;
  padding: 0;
  background: transparent;
  color: transparent;
  font-size: 0;
}

.catalog-header__back::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  width: 14px;
  height: 14px;
  border-left: 2px solid #2d2d2d;
  border-bottom: 2px solid #2d2d2d;
  transform: rotate(45deg);
}

.catalog-header__brand {
  display: flex;
  justify-content: center;
}

.catalog-header__brand img {
  width: 118px;
  height: auto;
}

.catalog-header__actions {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.catalog-header__search {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
}

.catalog-header__search span {
  position: relative;
  width: 19px;
  height: 19px;
  border: 2px solid #2f2f2f;
  border-radius: 50%;
}

.catalog-header__search span::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -4px;
  width: 9px;
  height: 2px;
  border-radius: 999px;
  background: #2f2f2f;
  transform: rotate(45deg);
}

.catalog-header__store {
  color: #2c2c2c;
  font-size: 15px;
  line-height: 1.2;
  font-weight: 400;
}

.product-nav {
  display: flex;
  justify-content: space-between;
  gap: 0;
  overflow-x: auto;
  padding: 0 var(--page-side);
  border-top: 1px solid rgba(17, 24, 39, 0.03);
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  scrollbar-width: none;
}

.product-nav::-webkit-scrollbar {
  display: none;
}

.product-nav__link {
  position: relative;
  flex: 0 0 auto;
  padding: 14px 0 13px;
  color: #8b8e93;
  font-size: 15px;
  line-height: 1.25;
  font-weight: 400;
  white-space: nowrap;
}

.product-nav__link.is-active {
  color: #212121;
  font-weight: 600;
}

.product-nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -1px;
  width: 30px;
  height: 3px;
  border-radius: 999px;
  background: #006843;
  transform: translateX(-50%);
}

.download-main,
.video-main {
  padding: 14px 15px 24px;
}

.segment-tabs {
  display: flex;
  gap: 30px;
  padding: 4px 0 0;
}

.segment-tab {
  position: relative;
  border: 0;
  background: transparent;
  padding: 0 0 12px;
  color: #111;
  font-size: 18px;
  line-height: 25px;
  font-weight: 600;
}

.segment-tab.is-active {
  color: #006843;
}

.segment-tab.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 28px;
  height: 3px;
  border-radius: 999px;
  background: #006843;
  transform: translateX(-50%);
}

.download-panel {
  display: none;
}

.download-panel.is-active {
  display: block;
}

.app-intro {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding-top: 22px;
}

.app-intro img {
  width: 72px;
  height: 72px;
  border-radius: 12px;
  box-shadow: 0 8px 16px rgba(17, 24, 39, 0.08);
}

.app-intro h1 {
  margin-top: 2px;
  color: #282828;
  font-size: 18px;
  line-height: 1.28;
  font-weight: 500;
}

.app-intro p {
  margin-top: 10px;
  color: #81858b;
  font-size: 14px;
  line-height: 1.6;
}

.download-section {
  padding-top: 28px;
}

.download-section h2 {
  color: #262626;
  font-size: 18px;
  line-height: 1.3;
  font-weight: 500;
}

.download-section > p {
  margin-top: 14px;
  color: #a6abb2;
  font-size: 14px;
  line-height: 1.6;
}

.download-copy {
  margin-top: 18px;
  color: #2a2a2a;
  font-size: 14px;
  line-height: 1.65;
}

.download-copy strong {
  font-weight: 600;
}

.manual-list {
  display: grid;
  gap: 12px;
  padding-top: 22px;
}

.manual-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 18px 16px;
  border-radius: 8px;
  background: #f5f6f8;
}

.manual-card__eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 26px;
  padding: 0 12px;
  border-radius: 999px;
  background: #dfe8e3;
  color: #006843;
  font-size: 12px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.manual-card h3 {
  margin-top: 8px;
  color: #1f1f1f;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 600;
}

.manual-card p {
  margin-top: 8px;
  color: #7b8188;
  font-size: 14px;
  line-height: 1.6;
}

.manual-card__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 104px;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  background: #0d7a4d;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
}

.video-list {
  display: grid;
  gap: 12px;
  padding-top: 8px;
}

.video-card {
  display: block;
  padding: 18px 16px 16px;
  border-radius: 8px;
  background: #f6f7f9;
}

.video-card__kicker {
  color: #262626;
  font-size: 16px;
  line-height: 1.35;
  font-weight: 600;
}

.video-card__thumb {
  position: relative;
  margin-top: 14px;
  overflow: hidden;
  border-radius: 8px;
}

.video-card__thumb img {
  width: 100%;
  aspect-ratio: 314 / 159;
  object-fit: cover;
  transition: transform 0.28s ease;
}

.video-card:hover .video-card__thumb img,
.video-card:active .video-card__thumb img {
  transform: scale(1.04);
}

.video-card__play {
  position: absolute;
  left: 50%;
  top: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(20, 20, 20, 0.36);
  border: 1px solid rgba(255, 255, 255, 0.28);
  transform: translate(-50%, -50%);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.14);
}

.video-card__play::before {
  content: "";
  width: 0;
  height: 0;
  margin-left: 3px;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 11px solid #fff;
}

.video-card h2 {
  margin-top: 14px;
  color: #2b2b2b;
  font-size: 16px;
  line-height: 1.45;
  font-weight: 600;
}

.video-card time {
  display: block;
  margin-top: 8px;
  color: #72767d;
  font-size: 13px;
  line-height: 1.3;
}

.article-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.98);
}

.article-header .sub-header {
  min-height: 60px;
  padding-top: 0;
  background: transparent;
  box-shadow: none;
}

.article-header .sub-header strong {
  color: #212121;
  font-size: 17px;
  line-height: 24px;
  font-weight: 600;
}

.article-header .sub-header__back {
  position: relative;
  width: 28px;
  height: 28px;
  margin-left: 8px;
  color: transparent;
  font-size: 0;
}

.article-header .sub-header__back::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 5px;
  width: 14px;
  height: 14px;
  border-left: 2px solid #2b2b2b;
  border-bottom: 2px solid #2b2b2b;
  transform: rotate(45deg);
}

.article-main {
  padding: 14px 15px 28px;
}

.article-main p {
  color: #8c9198;
  font-size: 14px;
  line-height: 1.72;
}

.article-main p + p {
  margin-top: 18px;
}

.article-figure {
  margin: 24px 0 18px;
  overflow: hidden;
  border-radius: 8px;
}

.article-figure img {
  width: 100%;
  aspect-ratio: 337 / 160;
  object-fit: cover;
}

@media (max-width: 430px) {
  .article-main {
    padding-inline: 15px;
  }

  .article-figure {
    margin: 28px 0 24px;
  }
}

@media (max-width: 359px) {
  .product-nav {
    justify-content: flex-start;
    gap: 14px;
  }

  .catalog-header__brand img {
    width: 110px;
  }

  .catalog-header__actions {
    gap: 12px;
  }

  .manual-card {
    grid-template-columns: 1fr;
  }

  .manual-card__action {
    width: 100%;
  }

  .catalog-header__store,
  .product-nav__link,
  .manual-card h3,
  .video-card h2 {
    font-size: 15px;
  }
}