@font-face {
  font-family: "Heishan Numerals";
  src: local("Times New Roman");
  font-style: normal;
  font-weight: 400;
  unicode-range: U+002E, U+0030-0039;
}

@font-face {
  font-family: "Heishan Numerals";
  src: local("Times New Roman Bold");
  font-style: normal;
  font-weight: 700;
  unicode-range: U+002E, U+0030-0039;
}

.heishan-main {
  --heishan-ink: #241b18;
  --heishan-deep: #3a241c;
  --heishan-brown: #6b3f2a;
  --heishan-red: #b1262d;
  --heishan-paper: #ffffff;
  --heishan-bg: #f7f5f2;
  --heishan-muted: #756a64;
  --heishan-line: #e7e0db;
  color: var(--heishan-ink);
  background: var(--heishan-paper);
  font-family: "Heishan Numerals", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

.heishan-main *,
.heishan-main *::before,
.heishan-main *::after {
  box-sizing: border-box;
}

.heishan-main h1,
.heishan-main h2,
.heishan-main h3,
.heishan-main p,
.heishan-main figure,
.heishan-main dl,
.heishan-main dd,
.heishan-main ol,
.heishan-main ul {
  margin-top: 0;
}

.heishan-main img {
  display: block;
  max-width: 100%;
}

.heishan-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.heishan-hero {
  width: 100%;
  margin: 0 auto;
  overflow: hidden;
  background: var(--heishan-paper);
}

.heishan-hero > img {
  width: 100%;
  height: auto;
}

@media (min-width: 769px) {
  .heishan-hero {
    aspect-ratio: 1718 / 611;
    display: grid;
    place-items: center;
  }

  .heishan-hero > img {
    width: 66.6667%;
    height: auto;
    max-width: none;
    object-fit: contain;
    place-self: center;
  }
}

.heishan-content-shell {
  width: min(1220px, calc(100% - 48px));
  margin: 0 auto 48px;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: var(--heishan-paper);
}

.heishan-section {
  padding: 52px 34px;
  border-bottom: 1px solid var(--heishan-line);
  scroll-margin-top: 100px;
}

.heishan-section-heading {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 34px;
}

.heishan-section-heading > span {
  display: inline-block;
  color: #83503d;
  font: normal 700 25px "Heishan Numerals", "Times New Roman", serif;
  line-height: 1;
  transform: translateY(3px);
}

.heishan-section-heading h2 {
  margin: 0;
  color: var(--heishan-ink);
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 25px;
  line-height: 1.2;
}

.heishan-positioning-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(430px, 1.12fr);
  gap: 48px;
  align-items: stretch;
}

.heishan-definition-list {
  margin: 0;
}

.heishan-definition-list div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  padding: 10px 0;
}

.heishan-definition-list dt {
  color: var(--heishan-deep);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.9;
}

.heishan-definition-list dd {
  margin: 0;
  color: #4f4641;
  font-size: 19px;
  line-height: 1.9;
}

.heishan-media-placeholder {
  min-height: 255px;
  display: grid;
  place-content: center;
  gap: 8px;
  border: 1px dashed #cfc6c0;
  border-radius: 10px;
  background: #f5f3f1;
  text-align: center;
}

.heishan-media-placeholder strong {
  color: var(--heishan-brown);
  font-family: "Songti SC", "STSong", serif;
  font-size: 18px;
}

.heishan-media-placeholder span,
.heishan-packaging-placeholder small {
  color: #978c86;
  font-size: 13px;
}

.heishan-industry-section {
  padding-top: 72px;
  padding-bottom: 84px;
  background: #fcfaf7;
}

.heishan-industry-heading {
  position: relative;
  gap: 18px;
  margin-bottom: 16px;
  padding-bottom: 28px;
}

.heishan-industry-heading::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 38px;
  border-top: 2px solid #87513a;
}

.heishan-industry-heading > span {
  color: #87513a;
  font-size: 30px;
}

.heishan-industry-heading h2 {
  color: #33241e;
  font-size: clamp(36px, 3vw, 42px);
  line-height: 1.1;
}

.heishan-industry-lead {
  margin: 0;
  color: #70645e;
  font-size: 16px;
  line-height: 1.8;
}

.heishan-industry-overview {
  display: grid;
  grid-template-columns: minmax(0, .48fr) minmax(0, .52fr);
  gap: clamp(48px, 5vw, 64px);
  margin-top: 48px;
  align-items: start;
}

.heishan-industry-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: 1px solid #e8dfd9;
  border-bottom: 1px solid #e8dfd9;
  text-align: left;
}

.heishan-industry-facts > div {
  display: block;
  padding: 22px 24px;
}

.heishan-industry-facts > div:nth-child(odd) {
  border-right: 1px solid #e8dfd9;
}

.heishan-industry-facts > div:nth-child(n + 3) {
  border-top: 1px solid #e8dfd9;
}

.heishan-industry-facts dt {
  color: #87513a;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.75;
}

.heishan-industry-facts dd {
  margin: 10px 0 0;
  color: #33241e;
  font-size: 16px;
  line-height: 1.85;
}

.heishan-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: 66.6667%;
  justify-self: end;
  gap: 12px;
}

.heishan-metrics article {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 127px;
  padding: 19px;
  border: 1px solid #e9e1db;
  border-radius: 14px;
  background: #f8f4f0;
  text-align: left;
}

.heishan-metrics article > div {
  white-space: nowrap;
}

.heishan-metrics strong {
  display: inline-block;
  color: #542d1d;
  font: 600 clamp(32px, 2.7vw, 43px) "Heishan Numerals", "Times New Roman", serif;
  line-height: 1;
}

.heishan-metrics b {
  margin-left: 4px;
  color: #542d1d;
  font-size: 12px;
  font-weight: 600;
}

.heishan-metrics span {
  margin-top: 12px;
  color: #766a63;
  font-size: 10px;
  line-height: 1.6;
}

.heishan-product-features {
  margin-top: 88px;
}

.heishan-product-features-heading {
  display: block;
  margin-bottom: 26px;
}

.heishan-product-features-heading h3 {
  margin: 0;
  color: #33241e;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 24px;
  line-height: 1.25;
}

.heishan-product-features-heading p {
  margin: 10px 0 0;
  color: #70645e;
  font-size: 15px;
  line-height: 1.7;
}

.heishan-quality-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.heishan-quality-grid article {
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 208px;
  padding: 26px 24px;
  border: 1px solid #e8dfd9;
  border-radius: 14px;
  background: #fff;
}

.heishan-quality-grid article > span {
  color: #a67862;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  line-height: 1.2;
}

.heishan-quality-grid h3 {
  margin: 20px 0 12px;
  color: #33241e;
  font-family: "Songti SC", "STSong", "Noto Serif SC", serif;
  font-size: 20px;
  line-height: 1.3;
}

.heishan-quality-grid p {
  margin: 0;
  color: #70645e;
  font-size: 16px;
  line-height: 1.8;
}

.heishan-nutrition-line {
  display: grid;
  grid-template-columns: minmax(200px, 1.45fr) repeat(4, 1fr);
  align-items: center;
  min-height: 112px;
  margin-top: 18px;
  padding: 20px 30px;
  border-radius: 14px;
  background: #f4eee8;
  text-align: center;
}

.heishan-nutrition-line strong {
  color: #542d1d;
  font-family: "Songti SC", "STSong", serif;
  font-size: 30px;
  text-align: left;
}

.heishan-nutrition-line span {
  border-left: 1px solid #d8ccc4;
  color: #33241e;
  font-size: 16px;
  font-weight: 600;
}

.heishan-timeline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
}

.heishan-timeline::before {
  content: "";
  position: absolute;
  top: 10px;
  right: 0;
  left: 0;
  border-top: 1px dashed #b8a8a0;
}

.heishan-timeline li {
  position: relative;
  min-width: 0;
  padding: 38px 24px 0 0;
}

.heishan-timeline li::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 0;
  width: 15px;
  height: 15px;
  border: 4px solid #fff;
  border-radius: 50%;
  background: var(--heishan-deep);
  box-shadow: 0 0 0 1px #bca79d;
}

.heishan-timeline time,
.heishan-timeline strong,
.heishan-timeline span {
  display: block;
}

.heishan-timeline time {
  color: var(--heishan-brown);
  font: 700 16px "Heishan Numerals", "Songti SC", serif;
}

.heishan-timeline strong {
  margin-top: 10px;
  color: var(--heishan-deep);
  font-size: 14px;
}

.heishan-timeline span {
  margin-top: 7px;
  color: var(--heishan-muted);
  font-size: 19px;
  line-height: 1.65;
}

.heishan-brand-row {
  display: grid;
  grid-template-columns: 0.38fr 0.62fr;
  border-bottom: 1px solid var(--heishan-line);
}

.heishan-brand-row > .heishan-section {
  min-width: 0;
  border-bottom: 0;
}

.heishan-identity-section {
  border-right: 1px solid var(--heishan-line);
}

.heishan-logo-card {
  display: grid;
  place-items: center;
  min-height: 300px;
  margin: 0 0 24px;
  padding: 26px;
  border-radius: 9px;
  background: transparent;
}

.heishan-logo-card img {
  width: min(100%, 360px);
  height: auto;
}

.heishan-identity-section > p,
.heishan-packaging-intro {
  margin-bottom: 0;
  color: var(--heishan-muted);
  font-size: 19px;
  line-height: 1.8;
}

.heishan-packaging-intro {
  margin-top: -18px;
  margin-bottom: 22px;
}

.heishan-packaging-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.heishan-packaging-card {
  min-width: 0;
  min-height: 188px;
  display: grid;
  grid-template-rows: 148px auto;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--heishan-line);
  border-radius: 8px;
  background: #fff;
}

.heishan-packaging-card img {
  width: 100%;
  height: 148px;
  padding: 12px;
  object-fit: contain;
}

.heishan-packaging-card figcaption {
  padding: 10px 12px;
  border-top: 1px solid var(--heishan-line);
  color: var(--heishan-deep);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.heishan-packaging-placeholder {
  place-content: center;
  grid-template-rows: auto auto;
  gap: 7px;
  border-style: dashed;
  background: #f7f5f3;
  color: var(--heishan-brown);
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}

.heishan-achievement-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--heishan-line);
  border-radius: 9px;
}

.heishan-achievement-grid article {
  min-width: 0;
  min-height: 180px;
  padding: 24px 20px;
  border-left: 1px solid var(--heishan-line);
  text-align: center;
}

.heishan-achievement-grid article:first-child {
  border-left: 0;
}

.heishan-achievement-grid strong {
  display: inline-block;
  color: var(--heishan-red);
  font: 700 clamp(24px, 2.3vw, 34px) "Heishan Numerals", "Songti SC", "STSong", serif;
  line-height: 1.2;
  transform: translateY(3px);
}

.heishan-achievement-grid h3 {
  margin: 13px 0 7px;
  color: var(--heishan-deep);
  font-size: 14px;
}

.heishan-achievement-grid p,
.heishan-outcome-grid p {
  margin: 0;
  color: var(--heishan-muted);
  font-size: 19px;
  line-height: 1.65;
}

.heishan-outcome-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.heishan-outcome-grid article {
  min-width: 0;
  min-height: 112px;
  padding: 19px;
  border: 1px solid var(--heishan-line);
  border-radius: 8px;
  background: #fbfaf9;
}

.heishan-outcome-grid b {
  display: block;
  margin-bottom: 7px;
  color: var(--heishan-deep);
  font-size: 14px;
}

.heishan-updates-section {
  border-bottom: 0;
}

.heishan-news-table {
  overflow: hidden;
  border: 1px solid var(--heishan-line);
  border-radius: 8px;
}

.heishan-news-head,
.heishan-news-row {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) 120px 150px 92px;
  align-items: center;
}

.heishan-news-head {
  min-height: 42px;
  background: #f3f0ed;
  color: #514742;
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.heishan-news-head span,
.heishan-news-row > * {
  min-width: 0;
  padding: 10px 14px;
  border-left: 1px solid var(--heishan-line);
}

.heishan-news-head span:first-child,
.heishan-news-row > *:first-child {
  border-left: 0;
}

.heishan-news-row {
  min-height: 104px;
  border-top: 1px solid var(--heishan-line);
  transition: background-color 160ms ease;
}

.heishan-news-row:hover {
  background: #fbf8f6;
}

.heishan-news-title {
  color: var(--heishan-deep);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
}

.heishan-news-row time,
.heishan-news-row > span {
  color: var(--heishan-muted);
  font-size: 13px;
  text-align: center;
}

.heishan-news-row time span {
  display: block;
  line-height: 1.45;
}

.heishan-news-row time span + span {
  margin-top: 2px;
}

.heishan-news-link {
  color: var(--heishan-red);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
  white-space: nowrap;
}

.heishan-news-title:hover,
.heishan-news-title:focus-visible,
.heishan-news-link:hover,
.heishan-news-link:focus-visible {
  color: var(--heishan-red);
}

@media (max-width: 1024px) {
  .heishan-content-shell {
    width: min(100% - 36px, 960px);
  }

  .heishan-positioning-layout {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .heishan-industry-top {
    grid-template-columns: 1fr;
  }

  .heishan-quality-grid article {
    grid-template-columns: 36px minmax(0, 1fr);
    padding: 18px 13px;
  }

  .heishan-quality-grid article > span {
    width: 34px;
    height: 34px;
  }

  .heishan-brand-row {
    grid-template-columns: 0.42fr 0.58fr;
  }

  .heishan-packaging-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .heishan-news-head,
  .heishan-news-row {
    grid-template-columns: minmax(0, 1.8fr) 104px 125px 88px;
  }
}

@media (max-width: 768px) {
  .heishan-positioning-layout,
  .heishan-brand-row {
    grid-template-columns: 1fr;
  }

  .heishan-positioning-layout {
    gap: 24px;
  }

  .heishan-identity-section {
    border-right: 0;
    border-bottom: 1px solid var(--heishan-line);
  }

  .heishan-metrics,
  .heishan-quality-grid,
  .heishan-achievement-grid,
  .heishan-outcome-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .heishan-metrics article:nth-child(3),
  .heishan-quality-grid article:nth-child(3),
  .heishan-achievement-grid article:nth-child(3) {
    border-top: 1px solid var(--heishan-line);
    border-left: 0;
  }

  .heishan-metrics article:nth-child(4),
  .heishan-quality-grid article:nth-child(4),
  .heishan-achievement-grid article:nth-child(4) {
    border-top: 1px solid var(--heishan-line);
  }

  .heishan-timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px 0;
  }

  .heishan-timeline::before {
    display: none;
  }

  .heishan-timeline li {
    padding-top: 28px;
    border-top: 1px dashed #b8a8a0;
  }

  .heishan-timeline li::before {
    top: -8px;
  }

  .heishan-news-head {
    display: none;
  }

  .heishan-news-row {
    grid-template-columns: 1fr;
    gap: 8px;
    min-height: 0;
    padding: 16px;
  }

  .heishan-news-row > * {
    padding: 0;
    border-left: 0;
  }

  .heishan-news-title,
  .heishan-news-row time,
  .heishan-news-row > span,
  .heishan-news-link {
    grid-column: auto;
    text-align: left;
  }
}

@media (max-width: 480px) {
  .heishan-content-shell {
    width: calc(100% - 24px);
  }

  .heishan-hero {
    width: 100%;
  }

  .heishan-content-shell {
    margin-top: 0;
    margin-bottom: 24px;
    border-radius: 0;
  }

  .heishan-section {
    padding: 38px 20px;
  }

  .heishan-section-heading {
    gap: 11px;
    margin-bottom: 26px;
  }

  .heishan-section-heading > span {
    font-size: 25px;
  }

  .heishan-section-heading h2 {
    font-size: 24px;
  }

  .heishan-definition-list div {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .heishan-definition-list dt,
  .heishan-definition-list dd {
    font-size: 15px;
  }

  .heishan-media-placeholder {
    min-height: 190px;
  }

  .heishan-industry-top {
    gap: 24px;
  }

  .heishan-industry-facts {
    padding-left: 17px;
  }

  .heishan-metrics article {
    min-height: 126px;
    padding: 18px 10px;
  }

  .heishan-metrics strong {
    font-size: 30px;
  }

  .heishan-metrics b {
    display: block;
    margin: 4px 0 0;
  }

  .heishan-quality-grid {
    grid-template-columns: 1fr;
  }

  .heishan-quality-grid article,
  .heishan-quality-grid article:nth-child(3),
  .heishan-quality-grid article:nth-child(4) {
    border-top: 1px solid var(--heishan-line);
    border-left: 0;
  }

  .heishan-quality-grid article:first-child {
    border-top: 0;
  }

  .heishan-nutrition-line {
    grid-template-columns: repeat(2, 1fr);
    gap: 13px 0;
    padding: 16px;
  }

  .heishan-nutrition-line strong {
    grid-column: 1 / -1;
    font-size: 20px;
  }

  .heishan-nutrition-line span:nth-of-type(odd) {
    border-left: 0;
  }

  .heishan-timeline {
    grid-template-columns: 1fr;
    gap: 0;
    padding-left: 10px;
  }

  .heishan-timeline li {
    padding: 0 0 28px 28px;
    border-top: 0;
    border-left: 1px dashed #b8a8a0;
  }

  .heishan-timeline li:last-child {
    padding-bottom: 0;
  }

  .heishan-timeline li::before {
    top: 2px;
    left: -8px;
  }

  .heishan-logo-card {
    min-height: 240px;
  }

  .heishan-packaging-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .heishan-packaging-card {
    min-height: 160px;
    grid-template-rows: 122px auto;
  }

  .heishan-packaging-card img {
    height: 122px;
    padding: 8px;
  }

  .heishan-packaging-placeholder {
    grid-template-rows: auto auto;
    padding: 12px;
  }

  .heishan-achievement-grid article {
    min-height: 170px;
    padding: 20px 13px;
  }

  .heishan-achievement-grid strong {
    font-size: 23px;
  }

  .heishan-outcome-grid {
    grid-template-columns: 1fr;
  }

  .heishan-outcome-grid article {
    min-height: 0;
  }

  .heishan-news-row {
    gap: 7px;
    padding: 14px;
  }

  .heishan-news-title {
    font-size: 13px;
    line-height: 1.5;
  }

  .heishan-news-row time,
  .heishan-news-row > span,
  .heishan-news-link {
    font-size: 12px;
  }
}

@media (max-width: 1024px) {
  .heishan-industry-overview {
    gap: 40px;
  }

  .heishan-industry-facts {
    text-align: left;
  }

  .heishan-metrics {
    width: 100%;
  }

  .heishan-quality-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .heishan-quality-grid article > span {
    width: auto;
    height: auto;
  }
}

@media (max-width: 768px) {
  .heishan-industry-section {
    padding-top: 60px;
    padding-bottom: 68px;
  }

  .heishan-industry-overview {
    grid-template-columns: 1fr;
    gap: 36px;
    margin-top: 40px;
  }

  .heishan-metrics article,
  .heishan-quality-grid article {
    border: 1px solid #e8dfd9;
  }

  .heishan-product-features {
    margin-top: 68px;
  }

  .heishan-nutrition-line {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 0;
    padding: 22px;
  }

  .heishan-nutrition-line strong {
    grid-column: 1 / -1;
    font-size: 28px;
  }
}

@media (max-width: 480px) {
  .heishan-industry-heading h2 {
    font-size: 34px;
  }

  .heishan-industry-heading > span {
    font-size: 26px;
  }

  .heishan-industry-facts > div {
    grid-template-columns: 1fr;
    gap: 7px;
    padding: 18px 0;
  }

  .heishan-metrics article {
    min-height: 164px;
    padding: 20px;
  }

  .heishan-metrics strong {
    font-size: 42px;
  }

  .heishan-metrics b {
    margin-left: 4px;
    font-size: 14px;
  }

  .heishan-quality-grid {
    grid-template-columns: 1fr;
  }

  .heishan-quality-grid article,
  .heishan-quality-grid article:nth-child(3),
  .heishan-quality-grid article:nth-child(4),
  .heishan-quality-grid article:first-child {
    border: 1px solid #e8dfd9;
  }
}

@media (prefers-reduced-motion: reduce) {
  .heishan-news-row {
    transition: none;
  }
}