:root {
  --navy: #040d24;
  --navy-2: #081735;
  --navy-3: #0d2147;
  --cyan: #10c7ee;
  --cyan-soft: #6be7ff;
  --coral: #ff6f69;
  --text: #f4f8ff;
  --muted: #9db0c7;
  --line: rgba(107, 231, 255, 0.22);
  --white: #ffffff;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 85% 8%, rgba(16, 199, 238, 0.16), transparent 34vw),
    linear-gradient(180deg, var(--navy) 0%, #07152f 48%, #030917 100%);
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.65;
}

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

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

.site-header {
  position: fixed;
  z-index: 50;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  padding: 0 clamp(18px, 5vw, 64px);
  color: var(--text);
  transition: background 0.24s ease, border-color 0.24s ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  border-bottom: 1px solid var(--line);
  background: rgba(4, 13, 36, 0.9);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 260px;
}

.brand-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 6px rgba(255, 111, 105, 0.12), 0 0 22px rgba(255, 111, 105, 0.7);
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  max-width: 320px;
  overflow: hidden;
  font-size: 14px;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand small {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  gap: clamp(16px, 2.5vw, 34px);
  color: rgba(244, 248, 255, 0.82);
  font-size: 15px;
}

.site-nav a:hover {
  color: var(--cyan-soft);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 86vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 124px clamp(20px, 6vw, 76px) 70px;
}

.hero-visual {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 13, 36, 0.98) 0%, rgba(4, 13, 36, 0.84) 42%, rgba(4, 13, 36, 0.34) 100%),
    url("assets/success-hero-bg.png") right center / min(72vw, 980px) auto no-repeat;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(107, 231, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(107, 231, 255, 0.1) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(90deg, #000 0%, transparent 82%);
}

.hero-content {
  position: relative;
  max-width: 780px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 12px;
  font-size: clamp(58px, 9vw, 118px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4.2vw, 54px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.3;
}

.hero-slogan {
  margin-bottom: 20px;
  color: var(--coral);
  font-size: clamp(28px, 4vw, 50px);
  font-weight: 700;
  line-height: 1.08;
}

.hero-copy {
  max-width: 690px;
  margin-bottom: 30px;
  color: rgba(244, 248, 255, 0.78);
  font-size: clamp(17px, 2vw, 22px);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.1;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: #031124;
  background: var(--cyan);
  box-shadow: 0 12px 30px rgba(16, 199, 238, 0.24);
}

.button.secondary {
  color: var(--text);
  border-color: rgba(255, 111, 105, 0.55);
  background: rgba(255, 111, 105, 0.12);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 18, 43, 0.86);
}

.metrics div {
  min-height: 126px;
  padding: 28px clamp(18px, 3vw, 44px);
  border-right: 1px solid var(--line);
}

.metrics div:last-child {
  border-right: 0;
}

.metrics strong {
  display: block;
  color: var(--cyan-soft);
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1;
}

.metrics span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
}

.section {
  padding: clamp(74px, 10vw, 126px) clamp(20px, 6vw, 76px);
}

.section-heading {
  max-width: 1180px;
  margin: 0 auto 42px;
}

.section-heading h2 {
  max-width: 850px;
}

.profile-layout,
.service-grid,
.industry-grid,
.advantage-layout,
.value-panel,
.position-columns,
.contact {
  max-width: 1180px;
  margin-right: auto;
  margin-left: auto;
}

.profile {
  background: linear-gradient(180deg, rgba(10, 29, 65, 0.68), rgba(5, 17, 40, 0.72));
}

.profile-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(24px, 5vw, 70px);
  align-items: end;
}

.profile-layout p {
  margin-bottom: 0;
  color: rgba(244, 248, 255, 0.78);
  font-size: 20px;
}

.profile-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.profile-badges span,
.industry-grid span {
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--cyan-soft);
  background: rgba(16, 199, 238, 0.08);
}

.profile-badges span {
  padding: 12px 18px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.service-card,
.advantage-layout article,
.position-columns div,
.qr-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(13, 33, 71, 0.82), rgba(7, 18, 42, 0.82));
  box-shadow: var(--shadow);
}

.service-card {
  min-height: 238px;
  padding: 26px;
}

.service-card span {
  display: inline-block;
  margin-bottom: 30px;
  color: var(--coral);
  font-weight: 900;
}

.service-card p,
.advantage-layout p,
.position-columns p,
.value-list p,
.contact-copy p,
.qr-card p {
  color: var(--muted);
}

.industry {
  background:
    radial-gradient(circle at 18% 12%, rgba(255, 111, 105, 0.12), transparent 32vw),
    rgba(3, 9, 23, 0.55);
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.industry-grid span {
  display: flex;
  align-items: center;
  min-height: 110px;
  padding: 22px;
  font-size: 18px;
  font-weight: 800;
}

.advantage-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.advantage-layout article {
  padding: 28px;
}

.values {
  background:
    linear-gradient(90deg, rgba(255, 111, 105, 0.1), transparent 34%),
    linear-gradient(270deg, rgba(16, 199, 238, 0.12), transparent 32%);
}

.value-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: start;
  padding: clamp(28px, 5vw, 54px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid rgba(255, 111, 105, 0.35);
}

.value-list {
  display: grid;
  gap: 16px;
}

.value-list p {
  margin: 0;
}

.value-list strong {
  color: var(--text);
}

.position-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.position-columns div {
  min-height: 210px;
  padding: 26px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 0.6fr);
  gap: clamp(26px, 5vw, 76px);
  align-items: center;
}

.contact-copy h2 {
  color: var(--coral);
}

.qr-card {
  display: grid;
  grid-template-columns: 154px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
  padding: 24px;
}

.qr-card img {
  width: 154px;
  height: 154px;
  object-fit: cover;
  border: 10px solid var(--white);
  border-radius: 8px;
  background: var(--white);
}

.qr-card span {
  display: block;
  margin-bottom: 10px;
  color: var(--cyan);
  font-size: 14px;
  font-weight: 800;
}

.qr-card p {
  margin-bottom: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(20px, 6vw, 76px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #020713;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 1060px) {
  .service-grid,
  .position-columns {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 820px) {
  .site-header {
    height: 66px;
    padding-inline: 18px;
  }

  .brand {
    min-width: 0;
  }

  .brand strong {
    max-width: 210px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 66px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 8px 18px 18px;
    border-bottom: 1px solid var(--line);
    background: rgba(4, 13, 36, 0.96);
  }

  .site-header.is-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 13px 0;
    border-bottom: 1px solid rgba(107, 231, 255, 0.14);
  }

  .hero {
    min-height: 78vh;
    padding-top: 104px;
  }

  .hero-visual {
    background:
      linear-gradient(90deg, rgba(4, 13, 36, 0.98) 0%, rgba(4, 13, 36, 0.82) 100%),
      url("assets/success-hero-bg.png") right 12% center / 860px auto no-repeat;
  }

  .metrics,
  .profile-layout,
  .advantage-layout,
  .value-panel,
  .contact {
    grid-template-columns: 1fr;
  }

  .metrics div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metrics div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 560px) {
  .brand small {
    display: none;
  }

  .brand strong {
    max-width: 230px;
    font-size: 13px;
  }

  .service-grid,
  .industry-grid,
  .position-columns {
    grid-template-columns: 1fr;
  }

  .hero-actions .button {
    width: 100%;
  }

  .service-card,
  .position-columns div {
    min-height: auto;
  }

  .service-card span {
    margin-bottom: 26px;
  }

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

  .qr-card img {
    width: 168px;
    height: 168px;
  }
}