:root {
  --ink: #172033;
  --text: #283145;
  --muted: #667085;
  --soft: #f5f7fb;
  --surface: #ffffff;
  --line: #e3e8f2;
  --violet: #6d3bd1;
  --magenta: #e63f91;
  --cyan: #08a9c6;
  --gold: #f2b84b;
  --deep: #121627;
  --radius: 8px;
  --shadow: 0 18px 48px rgba(23, 32, 51, 0.11);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--soft);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
}

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

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

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

.site-header {
  position: absolute;
  top: 0;
  left: 50%;
  z-index: 10;
  display: flex;
  width: min(1160px, calc(100% - 48px));
  height: 84px;
  align-items: center;
  justify-content: space-between;
  transform: translateX(-50%);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  font-weight: 900;
}

.brand img,
.footer-brand img {
  width: 42px;
  height: 54px;
  object-fit: contain;
}

.brand span {
  font-size: 20px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 15px;
  font-weight: 800;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  min-height: 88svh;
  overflow: hidden;
  background: var(--deep);
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  object-fit: cover;
  object-position: center right;
  opacity: 1;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(18, 22, 39, 0.92) 0%, rgba(18, 22, 39, 0.76) 36%, rgba(18, 22, 39, 0.2) 68%, rgba(18, 22, 39, 0.08) 100%),
    linear-gradient(180deg, rgba(18, 22, 39, 0.18), rgba(18, 22, 39, 0.58));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
  padding: 150px 0 76px;
  color: #ffffff;
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 950;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 940px;
  margin: 18px 0 0;
  font-size: 68px;
  line-height: 0.98;
  font-weight: 950;
}

.hero h1 span {
  display: block;
}

.hero h1 .title-mobile {
  display: none;
}

.hero-lead {
  max-width: 760px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 20px;
  line-height: 1.78;
}

.platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  align-items: center;
  margin-top: 32px;
}

.platforms span {
  position: relative;
  display: inline-flex;
  min-height: auto;
  align-items: center;
  padding: 0 18px 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.68);
  font-size: 15px;
  font-weight: 750;
}

.platforms span + span {
  padding-left: 18px;
}

.platforms span + span::before {
  position: absolute;
  left: 0;
  top: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.36);
  content: "";
  transform: translateY(-50%);
}

.platforms .platform-main {
  color: #ffffff;
}

.hero-metrics {
  display: grid;
  max-width: 780px;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 66px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-metrics article {
  min-height: auto;
  padding: 0 30px 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
}

.hero-metrics article + article {
  padding-left: 30px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.hero-metrics strong {
  display: block;
  color: #ffffff;
  font-size: 54px;
  line-height: 1;
  font-weight: 950;
}

.hero-metrics span {
  display: block;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  font-weight: 700;
}

.section {
  padding: 96px 0;
}

.section-inner {
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
}

.intro-band {
  padding: 54px 0;
  background: var(--surface);
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 72px;
  align-items: center;
}

.intro-grid h2,
.section-head h2,
.partner-copy h2,
.advantage-copy h2 {
  margin: 12px 0 0;
  color: var(--ink);
  font-size: 42px;
  line-height: 1.15;
  font-weight: 950;
}

.intro-grid p:last-child,
.section-head p:last-child,
.partner-copy > p,
.advantage-copy > p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.section-head {
  display: grid;
  max-width: 760px;
  gap: 0;
  margin-bottom: 34px;
}

.section-head.compact {
  max-width: 680px;
}

.section-head.wide {
  max-width: 900px;
}

.scene-section {
  background:
    linear-gradient(180deg, #f5f7fb 0%, #ffffff 100%);
}

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

.scene-card {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--deep);
  box-shadow: var(--shadow);
}

.scene-card-large {
  grid-column: span 2;
  grid-row: span 2;
  min-height: 736px;
}

.scene-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 260ms ease;
}

.scene-card::after {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(18, 22, 39, 0.02) 28%, rgba(18, 22, 39, 0.86) 100%),
    linear-gradient(90deg, rgba(18, 22, 39, 0.2), rgba(18, 22, 39, 0));
  content: "";
}

.scene-card:hover img {
  transform: scale(1.035);
}

.scene-card > div {
  position: absolute;
  right: 22px;
  bottom: 22px;
  left: 22px;
  z-index: 1;
  color: #ffffff;
}

.scene-card span {
  display: block;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.scene-card h3 {
  margin: 12px 0 8px;
  font-size: 24px;
  line-height: 1.18;
  font-weight: 950;
}

.scene-card-large h3 {
  font-size: 36px;
}

.scene-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 15px;
  line-height: 1.62;
}

.scene-card-large p {
  max-width: 520px;
  font-size: 17px;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.service-card,
.advantage-list article,
.partner-points article,
.case-grid article,
.process-list li {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 12px 30px rgba(23, 32, 51, 0.06);
}

.service-card {
  min-height: 216px;
  padding: 28px;
}

.service-card span,
.process-list span {
  display: inline-flex;
  min-width: 44px;
  height: 28px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(109, 59, 209, 0.1);
  color: var(--violet);
  font-size: 13px;
  font-weight: 950;
}

.service-card h3,
.advantage-list h3 {
  margin: 22px 0 10px;
  color: var(--ink);
  font-size: 23px;
  line-height: 1.22;
  font-weight: 950;
}

.service-card p,
.advantage-list p,
.process-list p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

.muted-section {
  background:
    linear-gradient(180deg, #eef3f8 0%, #f8fafc 100%);
}

.partner-section {
  background: #ffffff;
}

.partner-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 64px;
  align-items: center;
}

.partner-visual {
  height: 520px;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: #edf1f7;
  box-shadow: var(--shadow);
}

.partner-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.partner-copy > p {
  margin-top: 20px;
}

.partner-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 30px;
}

.partner-points article {
  min-height: 132px;
  padding: 20px;
}

.partner-points strong {
  display: block;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.3;
  font-weight: 900;
}

.partner-points span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.advantage-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 54px;
  align-items: center;
}

.advantage-copy > p {
  margin-top: 20px;
}

.advantage-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 34px;
}

.advantage-list article {
  min-height: 172px;
  padding: 24px;
}

.advantage-list h3 {
  margin-top: 0;
  font-size: 20px;
}

.advantage-visual {
  position: relative;
  height: 640px;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--deep);
  box-shadow: var(--shadow);
}

.advantage-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.advantage-visual figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  background: rgba(18, 22, 39, 0.78);
  color: rgba(255, 255, 255, 0.86);
  font-size: 14px;
  line-height: 1.6;
}

.case-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 38px;
  align-items: start;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.case-grid article {
  min-height: 150px;
  padding: 24px;
}

.case-grid span {
  display: block;
  min-height: 42px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  font-weight: 900;
}

.case-grid strong {
  display: block;
  margin-top: 18px;
  color: var(--ink);
  font-size: 42px;
  line-height: 1;
  font-weight: 950;
}

.case-grid article:nth-child(2) strong,
.case-grid article:nth-child(6) strong {
  color: var(--violet);
}

.case-grid article:nth-child(1) strong,
.case-grid article:nth-child(4) strong {
  color: var(--magenta);
}

.process-section {
  background: #0b1020;
  color: #ffffff;
}

.process-section .section-head h2 {
  color: #ffffff;
}

.process-section .section-head p:last-child {
  color: rgba(255, 255, 255, 0.72);
}

.process-list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 30px;
  margin: 0;
  padding: 34px 0 0;
  list-style: none;
}

.process-list::before {
  position: absolute;
  top: 51px;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255, 255, 255, 0.18);
  content: "";
}

.process-list li {
  position: relative;
  min-height: auto;
  padding: 0 10px 0 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.process-list li::after {
  display: none;
}

.process-list li:last-child::after {
  display: none;
}

.process-list span {
  position: relative;
  z-index: 1;
  width: 36px;
  min-width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  background: #0b1020;
  color: rgba(255, 255, 255, 0.76);
  box-shadow: 0 0 0 10px #0b1020;
  font-size: 12px;
}

.process-list strong {
  display: block;
  margin-top: 30px;
  color: #ffffff;
  font-size: 19px;
  line-height: 1.25;
  font-weight: 850;
}

.process-list p {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 15px;
  line-height: 1.7;
}

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #090e19;
  color: #ffffff;
}

.footer-inner {
  display: flex;
  width: min(1160px, calc(100% - 48px));
  min-height: 132px;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  margin: 0 auto;
}

.footer-brand strong {
  font-size: 20px;
}

.footer-inner p {
  max-width: 700px;
  margin: 0;
  color: rgba(255, 255, 255, 0.48);
  font-size: 13px;
  line-height: 1.9;
  text-align: right;
}

@media (max-width: 1040px) {
  .site-header {
    width: min(100% - 36px, 920px);
  }

  .nav-links {
    gap: 18px;
  }

  .hero-content,
  .section-inner,
  .footer-inner {
    width: min(100% - 36px, 920px);
  }

  .hero h1 {
    font-size: 56px;
  }

  .hero-lead {
    font-size: 18px;
  }

  .intro-grid,
  .partner-layout,
  .advantage-layout,
  .case-layout {
    grid-template-columns: 1fr;
  }

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

  .scene-card-large {
    min-height: 540px;
  }

  .partner-visual,
  .advantage-visual {
    height: 520px;
    min-height: 0;
  }

  .process-list {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0 0 0 48px;
  }

  .process-list::before {
    top: 4px;
    right: auto;
    bottom: 8px;
    left: 16px;
    width: 1px;
    height: auto;
  }

  .process-list li {
    padding: 0 0 30px;
  }

  .process-list span {
    position: absolute;
    left: -48px;
    top: 0;
    box-shadow: 0 0 0 8px #0b1020;
  }

  .process-list strong {
    margin-top: 0;
  }
}

@media (max-width: 760px) {
  .site-header {
    height: auto;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-top: 18px;
  }

  .brand img {
    width: 34px;
    height: 44px;
  }

  .brand span {
    font-size: 18px;
  }

  .nav-links {
    width: 100%;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 4px;
    white-space: nowrap;
  }

  .hero {
    min-height: auto;
  }

  .hero-media {
    object-position: 72% center;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(18, 22, 39, 0.96), rgba(18, 22, 39, 0.72)),
      linear-gradient(180deg, rgba(18, 22, 39, 0.3), rgba(18, 22, 39, 0.76));
  }

  .hero-content {
    padding: 126px 0 24px;
  }

  .hero h1 {
    font-size: 40px;
  }

  .hero h1 .title-desktop {
    display: none;
  }

  .hero h1 .title-mobile {
    display: block;
  }

  .hero-lead {
    margin-top: 18px;
    font-size: 16px;
    line-height: 1.68;
  }

  .platforms {
    margin-top: 20px;
  }

  .platforms span {
    min-height: auto;
    padding: 0 12px 0 0;
    font-size: 13px;
  }

  .platforms span + span {
    padding-left: 12px;
  }

  .hero-metrics,
  .scene-grid,
  .service-grid,
  .partner-points,
  .advantage-list,
  .case-grid,
  .process-list {
    grid-template-columns: 1fr;
  }

  .hero-metrics {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: 34px;
    padding-top: 20px;
  }

  .hero-metrics article {
    min-height: auto;
    padding: 0 10px 0 0;
  }

  .hero-metrics article + article {
    padding-left: 14px;
  }

  .hero-metrics strong {
    font-size: 30px;
  }

  .hero-metrics span {
    font-size: 12px;
    line-height: 1.45;
  }

  .section {
    padding: 68px 0;
  }

  .intro-band {
    padding: 42px 0;
  }

  .intro-grid {
    gap: 24px;
  }

  .intro-grid h2,
  .section-head h2,
  .partner-copy h2,
  .advantage-copy h2 {
    font-size: 32px;
  }

  .section-head {
    margin-bottom: 26px;
  }

  .scene-card,
  .scene-card-large {
    grid-column: auto;
    grid-row: auto;
    min-height: 310px;
  }

  .scene-card-large {
    min-height: 390px;
  }

  .scene-card > div {
    right: 18px;
    bottom: 18px;
    left: 18px;
  }

  .scene-card h3,
  .scene-card-large h3 {
    font-size: 24px;
  }

  .scene-card p,
  .scene-card-large p {
    font-size: 14px;
  }

  .service-card,
  .advantage-list article,
  .partner-points article,
  .case-grid article,
  .process-list li {
    min-height: auto;
    padding: 22px;
  }

  .partner-layout {
    gap: 30px;
  }

  .partner-visual {
    height: 360px;
  }

  .process-list {
    gap: 0;
    padding: 0 0 0 48px;
  }

  .process-list::before {
    top: 0;
    right: auto;
    bottom: 0;
    left: 17px;
    width: 1px;
    height: auto;
  }

  .process-list li {
    min-height: auto;
    padding: 0 0 28px;
  }

  .process-list span {
    position: absolute;
    left: -48px;
    top: 0;
    box-shadow: 0 0 0 8px #0b1020;
  }

  .service-card h3 {
    margin-top: 18px;
    font-size: 21px;
  }

  .advantage-visual {
    height: 430px;
  }

  .case-grid strong {
    font-size: 36px;
  }

  .process-list li::after {
    display: none;
  }

  .process-list strong {
    margin-top: 0;
  }

  .footer-inner {
    min-height: 170px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
  }

  .footer-inner p {
    text-align: left;
  }
}

@media (max-width: 420px) {
  .intro-grid h2,
  .section-head h2,
  .partner-copy h2,
  .advantage-copy h2 {
    font-size: 29px;
  }

  .hero h1 {
    font-size: 34px;
  }
}