:root {
  --ink: #0c1f45;
  --ink-2: #203963;
  --orange: #f26a2e;
  --orange-dark: #ce4f1b;
  --teal: #0f7d80;
  --paper: #fffdf9;
  --soft: #f4f7f5;
  --line: #dce4df;
  --muted: #66748a;
  --white: #ffffff;
  --shadow: 0 18px 50px rgba(12, 31, 69, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  line-height: 1.6;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 14px clamp(18px, 5vw, 72px);
  background: rgba(255, 253, 249, 0.92);
  border-bottom: 1px solid rgba(220, 228, 223, 0.85);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--ink-2);
  font-size: 15px;
}

.header-cta,
.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 6px;
  font-weight: 700;
}

.header-cta,
.primary-btn {
  color: var(--white);
  background: var(--orange);
  border: 1px solid var(--orange);
}

.secondary-btn {
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.75fr);
  gap: clamp(32px, 6vw, 84px);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(40px, 8vw, 90px) clamp(18px, 5vw, 72px) clamp(48px, 7vw, 82px);
  background:
    linear-gradient(110deg, rgba(242, 106, 46, 0.12), transparent 42%),
    linear-gradient(180deg, #fffdf9 0%, #f6faf9 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--orange-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 940px;
  margin-bottom: 24px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.14;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.25;
}

.hero-lede {
  max-width: 760px;
  color: var(--ink-2);
  font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-panel {
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-logo {
  display: block;
  width: min(280px, 72%);
  aspect-ratio: 1;
  object-fit: contain;
  margin: 0 auto 16px;
}

.signal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.signal-grid div,
.metrics div,
.process-grid div {
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.signal-grid strong,
.signal-grid span {
  display: block;
}

.signal-grid strong {
  margin-bottom: 4px;
}

.signal-grid span,
.role-card p,
.process-grid p,
.intro-copy,
.apply-copy p,
.form-status {
  color: var(--muted);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 0 clamp(18px, 5vw, 72px) 28px;
  margin-top: -28px;
  position: relative;
  z-index: 2;
}

.metrics div {
  background: var(--white);
  box-shadow: 0 10px 30px rgba(12, 31, 69, 0.08);
}

.metrics span {
  display: block;
  margin-bottom: 6px;
  color: var(--teal);
  font-size: 30px;
  font-weight: 800;
}

.metrics p {
  margin-bottom: 0;
}

.section {
  padding: clamp(58px, 8vw, 96px) clamp(18px, 5vw, 72px);
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(280px, 0.7fr);
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

.intro-copy {
  font-size: 18px;
}

.roles-section {
  background: #f8fbfb;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.projects-section {
  padding-top: 0;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.project-card {
  display: grid;
  grid-template-rows: 120px 1fr;
  gap: 16px;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(12, 31, 69, 0.06);
}

.project-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120px;
  padding: 12px;
  background: #f8fbfb;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.project-logo img {
  max-width: 100%;
  max-height: 96px;
  object-fit: contain;
}

.project-card h3 {
  font-size: 20px;
}

.project-card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.camp-section {
  position: relative;
  padding: clamp(58px, 8vw, 96px) clamp(18px, 5vw, 72px);
  background: #101820;
  color: var(--white);
}

.camp-banner {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  margin-bottom: 18px;
  color: var(--ink);
  background: #67d7c4;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 800;
}

.camp-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: clamp(24px, 5vw, 64px);
  align-items: end;
}

.camp-copy p {
  max-width: 860px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.camp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 28px 0 34px;
}

.camp-entry-card {
  padding: 22px;
  background: var(--white);
  color: var(--ink);
  border-radius: 8px;
}

.camp-entry-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--orange-dark);
  font-size: 14px;
  font-weight: 800;
}

.camp-entry-card strong {
  display: block;
  margin-bottom: 12px;
  font-size: 28px;
  line-height: 1.2;
}

.camp-entry-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.camp-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 18px;
}

.camp-stats div,
.camp-info,
.camp-system article,
.camp-task,
.fit-grid article {
  padding: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.camp-stats span {
  display: block;
  margin-bottom: 6px;
  color: #67d7c4;
  font-size: 28px;
  font-weight: 800;
}

.camp-stats p,
.camp-info li,
.camp-system li,
.camp-system p,
.camp-task p,
.camp-task li,
.fit-grid li,
.contact-strip p {
  color: rgba(255, 255, 255, 0.76);
}

.camp-detail {
  margin-top: 42px;
}

.camp-detail .section-heading {
  max-width: 760px;
}

.camp-system,
.fit-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
}

.camp-system ul,
.fit-grid ul,
.camp-task ol {
  margin: 0;
  padding-left: 22px;
}

.camp-system li + li,
.fit-grid li + li,
.camp-task li + li {
  margin-top: 8px;
}

.camp-task {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 22px;
  margin-top: 18px;
}

.camp-task h3 {
  font-size: 28px;
}

.camp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 18px 0;
}

.camp-info ul {
  margin: 0;
  padding-left: 22px;
}

.camp-info li + li {
  margin-top: 8px;
}

.contact-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 24px;
  align-items: center;
  margin-top: 26px;
  padding: 22px;
  background: var(--white);
  color: var(--ink);
  border-radius: 8px;
}

.contact-strip p {
  margin-bottom: 0;
  color: var(--muted);
}

.contact-strip img {
  width: 220px;
  max-width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.role-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 24px;
}

.filter {
  min-height: 42px;
  padding: 0 16px;
  color: var(--ink-2);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 6px;
  cursor: pointer;
}

.filter.active {
  color: var(--white);
  background: var(--ink);
  border-color: var(--ink);
}

.roles-list {
  display: grid;
  gap: 14px;
}

.role-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.role-card[hidden] {
  display: none;
}

.role-type {
  margin-bottom: 8px;
  color: var(--teal);
  font-size: 14px;
  font-weight: 800;
}

.role-card p:last-child {
  margin-bottom: 0;
}

.section-lede {
  max-width: 760px;
  color: var(--muted);
  font-size: 18px;
}

.role-points {
  margin: 14px 0 0;
  padding-left: 20px;
  color: var(--muted);
}

.role-points li + li {
  margin-top: 6px;
}

.role-group-card {
  align-items: start;
}

.role-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.role-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink-2);
  font-size: 14px;
}

.role-meta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 16px;
  color: var(--white);
  background: var(--orange);
  border-radius: 6px;
  font-weight: 700;
}

.role-meta .detail-link {
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 26px;
}

.process-grid div {
  background: var(--white);
}

.process-grid span {
  color: var(--orange);
  font-weight: 800;
}

.apply-section {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 80px);
  padding: clamp(58px, 8vw, 96px) clamp(18px, 5vw, 72px);
  background: var(--ink);
  color: var(--white);
}

.apply-copy p {
  color: rgba(255, 255, 255, 0.76);
  font-size: 18px;
}

.apply-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 24px;
  color: var(--ink);
  background: var(--white);
  border-radius: 8px;
}

.apply-card {
  padding: 24px;
  color: var(--ink);
  background: var(--white);
  border-radius: 8px;
}

.apply-card p {
  color: var(--muted);
}

.apply-card .primary-btn {
  width: 100%;
  margin: 8px 0 14px;
}

.apply-form label {
  display: grid;
  gap: 8px;
  font-weight: 700;
}

.apply-form .full {
  grid-column: 1 / -1;
}

.apply-form input,
.apply-form select,
.apply-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  color: var(--ink);
  background: #fbfcfc;
  border: 1px solid var(--line);
  border-radius: 6px;
}

.apply-form textarea {
  resize: vertical;
}

.apply-form button {
  cursor: pointer;
}

.form-status {
  grid-column: 1 / -1;
  min-height: 24px;
  margin: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(18px, 5vw, 72px);
  color: var(--ink-2);
  background: var(--paper);
}

.page-shell {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(42px, 7vw, 84px) clamp(18px, 5vw, 40px);
}

.job-hero,
.static-hero {
  display: grid;
  gap: 18px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}

.job-hero h1,
.static-hero h1 {
  max-width: 880px;
  font-size: clamp(38px, 6vw, 68px);
}

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

.job-meta span,
.score-pill {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  color: var(--ink-2);
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 6px;
  font-weight: 700;
}

.job-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: clamp(26px, 5vw, 60px);
  margin-top: 42px;
}

.job-content section {
  margin-bottom: 34px;
}

.job-content ul {
  padding-left: 22px;
}

.job-side {
  align-self: start;
  position: sticky;
  top: 96px;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(12, 31, 69, 0.08);
}


@media (max-width: 900px) {
  .site-header {
    gap: 16px;
  }

  .nav {
    display: none;
  }

  .hero,
  .intro,
  .apply-section,
  .job-grid,
  .camp-entry,
  .camp-task {
    grid-template-columns: 1fr;
  }

  .job-side {
    position: static;
  }

  .hero {
    min-height: auto;
  }

  .metrics,
  .process-grid,
  .camp-stats,
  .camp-grid,
  .camp-system,
  .fit-grid,
  .project-grid {
    grid-template-columns: 1fr 1fr;
  }

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

  .role-meta {
    flex-wrap: wrap;
    white-space: normal;
  }
}

@media (max-width: 620px) {
  .brand span {
    display: none;
  }

  .header-cta {
    min-height: 40px;
    padding: 0 14px;
  }

  h1 {
    font-size: 38px;
  }

  .hero-panel,
  .apply-form,
  .role-card {
    padding: 18px;
  }

  .signal-grid,
  .metrics,
  .process-grid,
  .apply-form,
  .camp-stats,
  .camp-grid,
  .camp-system,
  .fit-grid,
  .project-grid,
  .contact-strip {
    grid-template-columns: 1fr;
  }

  .metrics {
    margin-top: 0;
  }

  .site-footer {
    flex-direction: column;
  }
}