.hithium-site {
  --blue: #0f62fe;
  --deep: #07111f;
  --gray: #616167;
  --line: #e8e9ee;
  margin: 0;
  overflow-x: hidden;
  background: #fff;
  color: #111;
  font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

.hithium-site *,
.hithium-site *::before,
.hithium-site *::after {
  box-sizing: border-box;
}

.hithium-site a {
  color: inherit;
  text-decoration: none;
}

.hithium-site button {
  font: inherit;
}

.hithium-topbar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 999;
  display: grid;
  grid-template-columns: 190px 1fr 170px;
  align-items: center;
  height: 52px;
  padding: 0 7.2vw;
  background: rgb(245 245 245 / 72%);
  color: #1f242d;
  backdrop-filter: blur(14px);
}

.hithium-brand {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
}

.hithium-brand-mark {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 63% 50%, transparent 0 26%, #fff 27% 38%, transparent 39%),
    linear-gradient(135deg, #0057ff, #0f62fe 48%, #49d6b8);
}

.hithium-nav {
  display: flex;
  justify-content: center;
  gap: clamp(22px, 3vw, 48px);
  font-size: 13px;
  color: #252a32;
}

.hithium-nav a,
.hithium-tools span {
  opacity: 0.82;
  transition: color 180ms ease, opacity 180ms ease;
}

.hithium-nav a:hover,
.hithium-tools span:hover {
  color: var(--blue);
  opacity: 1;
}

.hithium-tools {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 17px;
  font-size: 14px;
}

.hithium-menu {
  display: none;
}

.hithium-hero {
  position: relative;
  min-height: 100vh;
  background:
    linear-gradient(90deg, rgb(0 0 0 / 62%) 0%, rgb(0 0 0 / 16%) 42%, rgb(0 0 0 / 4%) 100%),
    url("https://cn.hithium.com/bocupload/2025/06/23/175066790911725qrrg.jpg") center / cover no-repeat;
  color: #fff;
}

.hithium-hero-copy {
  position: absolute;
  left: 7.2vw;
  top: 27vh;
  max-width: 520px;
}

.hithium-kicker {
  margin: 0 0 4px;
  font-size: clamp(22px, 2.5vw, 38px);
  font-weight: 800;
  line-height: 1.05;
}

.hithium-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(24px, 2.4vw, 37px);
  font-weight: 800;
  line-height: 1.2;
}

.hithium-hero-copy p:not(.hithium-kicker) {
  width: min(100%, 460px);
  margin: 0 0 28px;
  color: rgb(255 255 255 / 80%);
  font-size: 14px;
  line-height: 1.9;
}

.hithium-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 112px;
  height: 36px;
  padding: 0 18px;
  border: 1px solid rgb(255 255 255 / 65%);
  border-radius: 999px;
  color: #fff;
  font-size: 13px;
  transition: background 180ms ease, border-color 180ms ease;
}

.hithium-ghost:hover {
  background: var(--blue);
  border-color: var(--blue);
}

.hithium-hero-tabs {
  position: absolute;
  left: 7.2vw;
  right: 7.2vw;
  bottom: 42px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 20px;
  color: rgb(255 255 255 / 72%);
  font-size: 12px;
}

.hithium-hero-tabs span {
  padding-top: 12px;
  border-top: 1px solid rgb(255 255 255 / 45%);
}

.hithium-inner {
  width: min(1200px, calc(100% - 80px));
  margin: 0 auto;
}

.hithium-quick {
  padding: 150px 0 130px;
  background: #fff;
}

.hithium-quick-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 72px;
  border-top: 1px solid var(--line);
  padding-top: 70px;
}

.hithium-label {
  margin: 0 0 18px;
  color: var(--blue);
  font-size: 15px;
  font-weight: 700;
}

.hithium-quick h2,
.hithium-heading h2,
.hithium-solutions h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 58px);
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.2;
}

.hithium-audience {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.hithium-audience button {
  min-width: 108px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  color: #39393e;
  cursor: pointer;
}

.hithium-audience button:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.hithium-info-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.hithium-info-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 62px;
  border-bottom: 1px solid var(--line);
  color: #39393e;
  font-size: 17px;
}

.hithium-solutions {
  position: relative;
  min-height: 900px;
  background:
    linear-gradient(180deg, rgb(236 247 252 / 12%), rgb(236 247 252 / 20%)),
    url("https://cn.hithium.com/bocstatic/web/img/aimg.png") center bottom / cover no-repeat;
}

.hithium-solution-panel {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 80px));
  margin: 0 auto;
  padding-top: 76px;
}

.hithium-solution-list {
  width: min(420px, 100%);
  margin-top: 50px;
  background: rgb(255 255 255 / 90%);
}

.hithium-solution-list article {
  display: grid;
  grid-template-columns: 50px 1fr 24px;
  gap: 22px;
  align-items: center;
  min-height: 92px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
}

.hithium-solution-list img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  opacity: 0.82;
}

.hithium-solution-list h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.hithium-solution-list p {
  margin: 0;
  color: var(--gray);
  font-size: 13px;
  line-height: 1.55;
}

.hithium-cases,
.hithium-news {
  padding: 116px 0;
}

.hithium-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 44px;
}

.hithium-heading a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #39393e;
  font-size: 14px;
}

.hithium-case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  min-height: 470px;
}

.hithium-case {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 38px;
  color: #fff;
  background-position: center;
  background-size: cover;
  isolation: isolate;
  position: relative;
}

.hithium-case::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgb(0 0 0 / 8%), rgb(0 0 0 / 58%));
}

.case-1 {
  background-image: url("https://cn.hithium.com/bocupload/2025/05/23/17479794874858z546v.jpg");
}

.case-2 {
  background-image: url("https://cn.hithium.com/bocupload/2025/05/23/17479701686209pzrbj.jpg");
}

.case-3 {
  background-image: url("https://cn.hithium.com/bocupload/2024/09/13/1726223359134uf4dy.png");
}

.hithium-case p {
  margin: 0 0 12px;
  font-size: 32px;
  font-weight: 700;
}

.hithium-case h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.4;
}

.hithium-case span {
  font-size: 14px;
}

.hithium-news-wrap {
  background: #f7f8fa;
}

.hithium-news-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
}

.hithium-news-list a {
  min-height: 270px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 28px;
  background: #fff;
}

.hithium-news-list strong {
  font-size: 20px;
  font-weight: 500;
  line-height: 1.6;
}

.hithium-news-list time {
  margin-top: auto;
  padding-top: 38px;
  color: #999;
}

.hithium-news-list span {
  color: var(--blue);
  font-size: 14px;
}

.hithium-values {
  min-height: 820px;
  display: flex;
  align-items: end;
  background:
    linear-gradient(180deg, rgb(0 0 0 / 10%), rgb(0 0 0 / 82%)),
    url("https://cn.hithium.com/bocupload/2024/09/29/172759264499087s3pe.jpg") center / cover no-repeat;
  color: #fff;
}

.hithium-values-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgb(255 255 255 / 35%);
}

.hithium-values-grid article {
  min-height: 240px;
  padding: 38px 7.2vw 44px 38px;
  border-right: 1px solid rgb(255 255 255 / 28%);
}

.hithium-values-grid h2 {
  margin: 0 0 24px;
  font-size: 34px;
}

.hithium-values-grid p {
  margin: 0 0 8px;
  color: rgb(255 255 255 / 84%);
  font-size: 18px;
  line-height: 1.65;
}

.hithium-values-grid a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 28px;
  font-size: 14px;
}

.hithium-footer {
  background: #020407;
  color: #fff;
}

.hithium-footer-inner {
  width: min(1200px, calc(100% - 80px));
  margin: 0 auto;
  padding: 76px 0 34px;
}

.hithium-footer-brand {
  margin-bottom: 58px;
}

.hithium-footer-cols {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 28px;
}

.hithium-footer-cols h3 {
  margin: 0 0 22px;
  color: #fff;
  font-size: 14px;
}

.hithium-footer-cols a {
  display: block;
  margin-bottom: 12px;
  color: rgb(255 255 255 / 46%);
  font-size: 12px;
}

.hithium-copy {
  margin: 74px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgb(255 255 255 / 9%);
  color: rgb(255 255 255 / 36%);
  font-size: 12px;
}

.hithium-floating {
  position: fixed;
  right: 24px;
  bottom: 36px;
  z-index: 1000;
  display: grid;
  gap: 10px;
}

.hithium-floating button {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  box-shadow: 0 10px 30px rgb(15 98 254 / 28%);
  cursor: pointer;
}

body.admin-bar .hithium-topbar {
  top: 32px;
}

@media (max-width: 980px) {
  body.admin-bar .hithium-topbar {
    top: 46px;
  }

  .hithium-topbar {
    grid-template-columns: 150px 1fr;
    padding: 0 24px;
  }

  .hithium-nav,
  .hithium-tools span:not(.hithium-menu) {
    display: none;
  }

  .hithium-menu {
    display: inline-block;
  }

  .hithium-hero {
    min-height: 760px;
    background-image:
      linear-gradient(180deg, rgb(0 0 0 / 45%), rgb(0 0 0 / 18%) 42%, rgb(0 0 0 / 72%)),
      url("https://cn.hithium.com/bocupload/2025/06/23/175066791682720s4yt.jpg");
  }

  .hithium-hero-copy {
    top: auto;
    left: 24px;
    right: 24px;
    bottom: 118px;
  }

  .hithium-hero-tabs {
    left: 24px;
    right: 24px;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px 16px;
    font-size: 11px;
  }

  .hithium-inner,
  .hithium-solution-panel,
  .hithium-footer-inner {
    width: min(100% - 40px, 680px);
  }

  .hithium-quick {
    padding: 88px 0;
  }

  .hithium-quick-grid,
  .hithium-case-grid,
  .hithium-news-list,
  .hithium-values-grid,
  .hithium-footer-cols {
    grid-template-columns: 1fr;
  }

  .hithium-solutions {
    min-height: 760px;
    background-position: 42% bottom;
  }

  .hithium-cases,
  .hithium-news {
    padding: 82px 0;
  }

  .hithium-heading {
    align-items: start;
    flex-direction: column;
  }

  .hithium-case-grid {
    min-height: auto;
  }

  .hithium-case {
    min-height: 320px;
  }

  .hithium-news-list a {
    min-height: 210px;
  }

  .hithium-values {
    min-height: auto;
    padding-top: 260px;
  }

  .hithium-values-grid article {
    min-height: 190px;
    padding: 30px 24px;
    border-right: 0;
    border-bottom: 1px solid rgb(255 255 255 / 24%);
  }
}