:root {
  --bg: #f5f7fb;
  --ink: #111827;
  --muted: #667085;
  --line: #e4e7ec;
  --panel: #ffffff;
  --blue: #155eef;
  --blue-dark: #0b3fa8;
  --green: #0f6b4f;
  --orange: #e56b2c;
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(210px, 280px) 1fr auto;
  gap: 20px;
  align-items: center;
  min-height: 72px;
  padding: 0 clamp(18px, 5vw, 72px);
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: fit-content;
}

.brand span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: #111827;
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.brand strong,
.footer span {
  font-size: 13px;
  letter-spacing: 0.14em;
}

.topbar nav {
  display: flex;
  justify-content: center;
  gap: clamp(18px, 3vw, 42px);
  color: #475467;
  font-size: 14px;
  font-weight: 700;
}

.topbar nav a:hover {
  color: var(--blue);
}

.mail-link,
.footer a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}

.hero {
  position: relative;
  display: grid;
  min-height: 620px;
  overflow: hidden;
  background: #101828;
}

.hero > img,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) brightness(0.72);
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(16, 24, 40, 0.9), rgba(16, 24, 40, 0.38)),
    linear-gradient(0deg, rgba(16, 24, 40, 0.82), transparent 44%);
}

.hero-content {
  position: relative;
  z-index: 1;
  align-self: center;
  width: min(980px, calc(100vw - 36px));
  margin-left: clamp(18px, 6vw, 96px);
  padding-top: 72px;
  color: #fff;
}

.hero-content p,
.section-head p,
.location-card span {
  margin: 0 0 16px;
  color: #8ab4ff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.2em;
}

.hero-content h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(48px, 8vw, 104px);
  line-height: 0.98;
}

.hero-content span {
  display: block;
  max-width: 760px;
  margin-top: 26px;
  color: rgba(255, 255, 255, 0.78);
  font-size: clamp(16px, 2vw, 22px);
  line-height: 1.7;
}

.hero-panel {
  position: relative;
  z-index: 1;
  align-self: end;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(780px, calc(100vw - 36px));
  margin: 0 clamp(18px, 6vw, 96px) 34px auto;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}

.hero-panel article {
  padding: 24px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  color: #fff;
}

.hero-panel article:last-child {
  border-right: 0;
}

.hero-panel strong {
  display: block;
  font-size: 42px;
  line-height: 1;
}

.hero-panel span {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.68);
}

.search-band {
  display: grid;
  grid-template-columns: minmax(280px, 420px) 1fr;
  gap: 18px;
  align-items: end;
  max-width: 1280px;
  margin: -42px auto 0;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 0 18px 60px rgba(16, 24, 40, 0.1);
}

.search-box label {
  display: block;
  margin-bottom: 10px;
  color: #475467;
  font-size: 13px;
  font-weight: 800;
}

.search-box input {
  width: 100%;
  min-height: 50px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 14px;
  outline: none;
}

.search-box input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px rgba(21, 94, 239, 0.12);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filters button,
.job-sidebar button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: #344054;
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
}

.filters button {
  padding: 0 15px;
}

.filters button.is-active,
.job-sidebar button.is-active {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.jobs-section,
.process-section {
  padding: clamp(72px, 9vw, 120px) clamp(18px, 6vw, 96px);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(220px, 0.36fr) 1fr auto;
  gap: 24px;
  align-items: end;
  max-width: 1280px;
  margin: 0 auto 28px;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 68px);
  line-height: 1;
}

.section-head > span {
  color: var(--muted);
  font-weight: 800;
}

.jobs-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 18px;
  max-width: 1280px;
  margin: 0 auto;
}

.job-sidebar {
  position: sticky;
  top: 96px;
  display: grid;
  align-self: start;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  background: #fff;
}

.job-sidebar button {
  width: 100%;
  border-radius: 6px;
  text-align: left;
  padding: 0 14px;
}

.job-list {
  display: grid;
  gap: 12px;
}

.job-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  padding: 26px;
  border: 1px solid var(--line);
  background: #fff;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.job-card:hover {
  transform: translateY(-2px);
  border-color: rgba(21, 94, 239, 0.38);
  box-shadow: 0 16px 40px rgba(16, 24, 40, 0.08);
}

.job-card h3 {
  margin: 0 0 12px;
  font-size: 25px;
}

.job-card p {
  max-width: 820px;
  margin: 0;
  color: #475467;
  line-height: 1.8;
}

.job-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
}

.job-meta span {
  padding: 7px 10px;
  border-radius: 999px;
  background: #f2f4f7;
  color: #475467;
  font-size: 12px;
  font-weight: 800;
}

.job-actions {
  display: grid;
  gap: 10px;
  align-content: center;
  justify-items: end;
  min-width: 150px;
}

.job-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  background: #101828;
  color: #fff;
  font-size: 13px;
  font-weight: 900;
}

.job-actions small {
  color: #667085;
  font-weight: 800;
}

.empty-state {
  padding: 46px;
  border: 1px dashed #cbd5e1;
  background: #fff;
  color: #667085;
  text-align: center;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  max-width: 1280px;
  margin: 0 auto;
  border: 1px solid var(--line);
  background: var(--line);
}

.process-grid article {
  min-height: 280px;
  padding: 28px;
  background: #fff;
}

.process-grid span {
  color: var(--blue);
  font-size: 40px;
  font-weight: 900;
}

.process-grid h3 {
  margin: 36px 0 12px;
  font-size: 22px;
}

.process-grid p {
  color: #667085;
  line-height: 1.8;
}

.locations-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border-top: 1px solid #1d2939;
  border-bottom: 1px solid #1d2939;
  background: #1d2939;
}

.location-card {
  min-height: 360px;
  padding: clamp(34px, 6vw, 72px);
  background: #101828;
  color: #fff;
}

.location-card h2 {
  margin: 0;
  font-size: clamp(40px, 6vw, 76px);
}

.location-card p {
  max-width: 620px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 18px;
  line-height: 1.8;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 6vw, 96px);
  background: #fff;
  color: #475467;
}

@media (max-width: 1080px) {
  .topbar {
    grid-template-columns: 1fr auto;
  }

  .topbar nav {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 14px;
  }

  .search-band,
  .section-head,
  .jobs-layout {
    grid-template-columns: 1fr;
  }

  .job-sidebar {
    position: static;
    grid-template-columns: repeat(5, minmax(130px, 1fr));
    overflow-x: auto;
  }

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

@media (max-width: 680px) {
  .topbar {
    min-height: auto;
    padding: 14px 16px;
  }

  .mail-link {
    display: none;
  }

  .hero {
    min-height: 720px;
  }

  .hero-content {
    margin-inline: 18px;
  }

  .hero-content h1 {
    font-size: 48px;
  }

  .hero-panel,
  .process-grid,
  .locations-section {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    margin: 0 18px 24px;
  }

  .hero-panel article {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .search-band {
    margin: 0 16px;
  }

  .jobs-section,
  .process-section {
    padding-inline: 16px;
  }

  .job-sidebar {
    grid-template-columns: 1fr;
  }

  .job-card {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .job-actions {
    justify-items: start;
  }

  .footer {
    flex-direction: column;
  }
}