:root {
  --ink: #10131a;
  --muted: #667085;
  --line: #e6eaf0;
  --panel: #f6f8fb;
  --violet: #5b4be8;
  --cyan: #28bfd0;
  --gold: #f0cf43;
  --coral: #ed5e6d;
  --shadow: 0 22px 70px rgba(24, 31, 44, 0.12);
  --content-width: 1920px;
  --page-gutter: clamp(20px, 5vw, 72px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  max-width: 100%;
  overflow-x: hidden;
}

body {
  width: 100%;
  max-width: 100%;
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 14px var(--page-gutter);
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(230, 234, 240, 0.78);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: 0 12px 30px rgba(91, 75, 232, 0.18);
}

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

.brand strong {
  font-size: 18px;
  letter-spacing: 0;
}

.brand small {
  margin-top: -2px;
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
  color: #353b47;
  font-size: 15px;
}

.nav a {
  padding: 8px 0;
}

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

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  align-items: center;
  gap: clamp(28px, 6vw, 86px);
  min-height: min(760px, calc(100vh - 76px));
  padding: clamp(50px, 7vw, 86px) var(--page-gutter) clamp(46px, 6vw, 72px);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: auto -8% 3% 44%;
  height: 54%;
  background:
    linear-gradient(90deg, rgba(91, 75, 232, 0.16) 1px, transparent 1px),
    linear-gradient(0deg, rgba(47, 199, 211, 0.12) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(circle at 55% 55%, #000, transparent 72%);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 710px;
  min-width: 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--violet);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: clamp(42px, 5.6vw, 72px);
  line-height: 1.08;
  letter-spacing: 0;
  overflow-wrap: anywhere;
}

h1 span {
  display: block;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 3.5vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}

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

.hero-lede {
  max-width: 620px;
  margin-bottom: 34px;
  color: #485061;
  font-size: clamp(18px, 2vw, 23px);
}

.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 var(--line);
  border-radius: 8px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, #171b24, #343a4b);
  border-color: transparent;
  box-shadow: 0 16px 34px rgba(16, 19, 26, 0.22);
}

.button.secondary {
  background: #fff;
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  min-height: 420px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: min(66vw, 470px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 31%, rgba(91, 75, 232, 0.28), transparent 28%),
    radial-gradient(circle at 70% 36%, rgba(240, 207, 67, 0.32), transparent 24%),
    radial-gradient(circle at 45% 75%, rgba(40, 191, 208, 0.28), transparent 30%),
    #f7f9fc;
  box-shadow: var(--shadow);
}

.hero-visual img {
  position: relative;
  width: min(42vw, 250px);
  min-width: 180px;
  border-radius: 40px;
  box-shadow: 0 26px 76px rgba(31, 37, 54, 0.22);
}

.signal {
  position: absolute;
  border: 1px solid rgba(91, 75, 232, 0.2);
  border-radius: 999px;
}

.signal-one {
  width: 78%;
  aspect-ratio: 1;
}

.signal-two {
  width: 58%;
  aspect-ratio: 1;
  border-color: rgba(40, 191, 208, 0.28);
}

.signal-three {
  width: 36%;
  aspect-ratio: 1;
  border-color: rgba(240, 207, 67, 0.42);
}

.section {
  padding: clamp(58px, 8vw, 110px) var(--page-gutter);
}

.intro {
  color: #252b36;
  background: #10131a;
}

.intro p {
  max-width: var(--content-width);
  margin: 0 auto;
  color: #f5f7fb;
  font-size: clamp(24px, 3.2vw, 42px);
  line-height: 1.35;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 36px;
}

.section-heading.compact {
  margin-bottom: 30px;
}

.section-shell,
.service-suite {
  width: 100%;
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
}

.section-shell {
  position: relative;
  padding: clamp(50px, 5vw, 86px) clamp(34px, 4vw, 70px);
  background:
    radial-gradient(circle at 12% 0%, rgba(91, 75, 232, 0.12), transparent 28%),
    radial-gradient(circle at 92% 8%, rgba(40, 191, 208, 0.16), transparent 30%),
    linear-gradient(135deg, rgba(248, 250, 255, 0.98), rgba(245, 252, 255, 0.82));
  border-radius: 28px;
  box-shadow: 0 30px 90px rgba(31, 37, 54, 0.08);
  overflow: hidden;
}

.section-shell::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 24% 25%, rgba(255, 255, 255, 0.72), transparent 26%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.5), transparent 30%);
  pointer-events: none;
}

.section-shell > * {
  position: relative;
  z-index: 1;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 28px);
}

.feature-card {
  position: relative;
  min-width: 0;
  min-height: 300px;
  padding: 38px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.48)),
    linear-gradient(145deg, rgba(91, 75, 232, 0.16), transparent 36%),
    linear-gradient(315deg, rgba(40, 191, 208, 0.18), transparent 42%);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 26px;
  box-shadow: 0 24px 64px rgba(30, 37, 52, 0.09);
  backdrop-filter: blur(16px);
}

.feature-card:nth-child(2) {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.68)),
    linear-gradient(145deg, rgba(40, 191, 208, 0.18), transparent 36%),
    linear-gradient(315deg, rgba(240, 207, 67, 0.18), transparent 42%);
}

.feature-card:nth-child(3) {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.68)),
    linear-gradient(145deg, rgba(240, 207, 67, 0.2), transparent 36%),
    linear-gradient(315deg, rgba(237, 94, 109, 0.18), transparent 42%);
}

.feature-card::after {
  content: "";
  position: absolute;
  right: -42px;
  bottom: -70px;
  width: 210px;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(91, 75, 232, 0.12), transparent 68%);
  border-radius: 50%;
}

.feature-card h3,
.feature-card p,
.feature-index {
  position: relative;
  z-index: 1;
}

.feature-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 72px;
  color: #fff;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  border-radius: 16px;
  font-size: 13px;
  font-weight: 800;
  box-shadow: 0 14px 30px rgba(91, 75, 232, 0.2);
}

.feature-shell {
  background:
    radial-gradient(circle at 8% 4%, rgba(91, 75, 232, 0.18), transparent 28%),
    radial-gradient(circle at 92% 8%, rgba(40, 191, 208, 0.2), transparent 30%),
    radial-gradient(circle at 70% 98%, rgba(240, 207, 67, 0.16), transparent 26%),
    #f8fbff;
}

.process-shell {
  background:
    radial-gradient(circle at 10% 12%, rgba(91, 75, 232, 0.12), transparent 28%),
    radial-gradient(circle at 92% 84%, rgba(237, 94, 109, 0.13), transparent 30%),
    #fff;
}

.feature-card p,
.process-list p,
.contact p {
  color: var(--muted);
}

.service-suite {
  margin-top: clamp(44px, 6vw, 84px);
  padding: clamp(52px, 5vw, 88px) clamp(34px, 4vw, 70px);
  background:
    radial-gradient(circle at 12% 12%, rgba(91, 75, 232, 0.42), transparent 28%),
    radial-gradient(circle at 74% 8%, rgba(240, 207, 67, 0.22), transparent 24%),
    radial-gradient(circle at 90% 86%, rgba(40, 191, 208, 0.24), transparent 30%),
    linear-gradient(135deg, #10131a, #151927 52%, #0f1f25);
  border-radius: 32px;
  box-shadow: 0 34px 90px rgba(16, 19, 26, 0.2);
  overflow: hidden;
}

.service-suite .eyebrow {
  color: #8ee6ef;
}

.service-suite h2 {
  color: #fff;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 28px);
}

.service-card {
  min-width: 0;
  min-height: 320px;
}

.service-panel,
.service-card {
  position: relative;
  padding: 38px;
  color: #fff;
  background:
    linear-gradient(145deg, rgba(91, 75, 232, 0.2), transparent 42%),
    linear-gradient(315deg, rgba(40, 191, 208, 0.18), transparent 38%),
    #10131a;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 26px;
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 22px 60px rgba(0, 0, 0, 0.18);
}

.service-grid .service-card:nth-child(1),
.process-list .service-panel:nth-child(1) {
  background:
    radial-gradient(circle at 18% 18%, rgba(91, 75, 232, 0.3), transparent 30%),
    linear-gradient(145deg, rgba(91, 75, 232, 0.26), transparent 42%),
    linear-gradient(315deg, rgba(40, 191, 208, 0.22), transparent 38%),
    #10131a;
}

.service-grid .service-card:nth-child(2),
.process-list .service-panel:nth-child(2) {
  background:
    radial-gradient(circle at 22% 18%, rgba(40, 191, 208, 0.28), transparent 32%),
    linear-gradient(145deg, rgba(40, 191, 208, 0.22), transparent 42%),
    linear-gradient(315deg, rgba(240, 207, 67, 0.18), transparent 38%),
    #10131a;
}

.service-grid .service-card:nth-child(3),
.process-list .service-panel:nth-child(3) {
  background:
    radial-gradient(circle at 22% 18%, rgba(240, 207, 67, 0.24), transparent 30%),
    linear-gradient(145deg, rgba(240, 207, 67, 0.2), transparent 42%),
    linear-gradient(315deg, rgba(237, 94, 109, 0.24), transparent 38%),
    #10131a;
}

.process-list .service-panel:nth-child(4) {
  background:
    radial-gradient(circle at 22% 18%, rgba(237, 94, 109, 0.28), transparent 30%),
    linear-gradient(145deg, rgba(237, 94, 109, 0.22), transparent 42%),
    linear-gradient(315deg, rgba(91, 75, 232, 0.24), transparent 38%),
    #10131a;
}

.service-panel::before,
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 16%, rgba(255, 255, 255, 0.12), transparent 24%),
    radial-gradient(circle at 92% 92%, rgba(255, 255, 255, 0.06), transparent 26%);
  pointer-events: none;
}

.service-panel::after,
.service-card::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -70px;
  width: 210px;
  aspect-ratio: 1;
  background: radial-gradient(circle, rgba(240, 207, 67, 0.18), transparent 66%);
  border-radius: 50%;
}

.panel-index,
.service-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 44px;
  color: #10131a;
  background: linear-gradient(135deg, var(--gold), var(--coral));
  border-radius: 16px;
  font-size: 13px;
  font-weight: 800;
}

.service-panel h3,
.service-panel strong,
.service-panel p,
.service-card h3,
.service-card p {
  position: relative;
  z-index: 1;
}

.service-panel p,
.service-card p {
  margin-bottom: 0;
  color: #cbd2dd;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 1.15fr);
  gap: clamp(28px, 6vw, 92px);
  align-items: start;
  padding-left: max(var(--page-gutter), calc((100vw - var(--content-width)) / 2));
  padding-right: max(var(--page-gutter), calc((100vw - var(--content-width)) / 2));
  background:
    linear-gradient(135deg, rgba(91, 75, 232, 0.08), transparent 36%),
    linear-gradient(315deg, rgba(40, 191, 208, 0.08), transparent 42%),
    #f9fbfd;
}

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

.capability-list div {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.capability-list strong {
  font-size: 18px;
}

.capability-list span {
  color: var(--muted);
}

.process-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(18px, 2vw, 28px);
  margin: 0;
  padding: 26px 0 0;
  list-style: none;
}

.process-list::before {
  content: "";
  position: absolute;
  top: 58px;
  left: 6%;
  right: 6%;
  height: 70px;
  background:
    radial-gradient(circle at 10% 50%, rgba(91, 75, 232, 0.3), transparent 9%),
    radial-gradient(circle at 38% 50%, rgba(40, 191, 208, 0.3), transparent 9%),
    radial-gradient(circle at 66% 50%, rgba(240, 207, 67, 0.32), transparent 9%),
    radial-gradient(circle at 92% 50%, rgba(237, 94, 109, 0.28), transparent 9%);
  border-radius: 999px;
  filter: blur(10px);
}

.process-step {
  position: relative;
  min-height: 245px;
  padding: 34px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 28px;
  box-shadow: 0 24px 64px rgba(30, 37, 52, 0.09);
  backdrop-filter: blur(14px);
}

.process-step:nth-child(even) {
  transform: translateY(34px);
}

.process-step::after {
  content: "";
  position: absolute;
  inset: auto 28px 0;
  height: 5px;
  background: linear-gradient(90deg, var(--violet), var(--cyan), var(--gold), var(--coral));
  border-radius: 999px 999px 0 0;
  opacity: 0.72;
}

.process-index {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 58px;
  color: #10131a;
  background: linear-gradient(135deg, var(--gold), var(--coral));
  border: 5px solid rgba(255, 255, 255, 0.9);
  border-radius: 50%;
  box-shadow: 0 12px 28px rgba(237, 94, 109, 0.22);
}

.process-list strong {
  position: relative;
  z-index: 1;
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 20px;
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  color: #fff;
  background: #10131a;
}

.contact h2,
.contact p {
  max-width: 760px;
}

.contact p {
  margin-bottom: 0;
  color: #c4cad5;
  font-size: 18px;
}

.contact .button.primary {
  flex: 0 0 auto;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 26px max(var(--page-gutter), calc((100vw - var(--content-width)) / 2));
  color: #6d7481;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer a:hover {
  color: var(--violet);
}

@media (max-width: 920px) {
  .site-header {
    align-items: flex-start;
    min-height: auto;
  }

  .nav {
    gap: 16px;
    padding-top: 7px;
    font-size: 14px;
  }

  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 64px;
  }

  .hero-visual {
    min-height: 360px;
  }

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

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

@media (max-width: 640px) {
  main,
  header,
  section,
  div,
  article,
  nav,
  h1,
  h2,
  h3,
  p {
    min-width: 0;
  }

  .site-header {
    gap: 14px;
    flex-direction: column;
    max-width: 100vw;
  }

  .nav {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    width: 100%;
    gap: 0;
    text-align: center;
  }

  .nav a {
    padding: 8px 0;
  }

  .eyebrow {
    font-size: 11px;
    line-height: 1.5;
    overflow-wrap: anywhere;
  }

  h1 {
    font-size: 30px;
    line-height: 1.14;
    word-break: break-all;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
    padding-top: 48px;
    max-width: 100vw;
  }

  .hero-lede {
    font-size: 17px;
    overflow-wrap: anywhere;
  }

  .intro p {
    font-size: 22px;
    word-break: break-all;
  }

  .feature-card p,
  .service-card p,
  .contact p {
    word-break: break-all;
  }

  .hero-visual img {
    width: 210px;
  }

  .section,
  .site-footer {
    max-width: 100vw;
    overflow-x: hidden;
  }

  .feature-grid,
  .service-grid,
  .process-list {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .service-card,
  .process-list li {
    min-height: auto;
  }

  .capability-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .button {
    width: 100%;
  }
}