:root {
  --bg: #f8fcff;
  --bg-soft: #eef8ff;
  --paper: #ffffff;
  --ink: #11243a;
  --muted: #5f7086;
  --quiet: #8190a4;
  --line: rgba(79, 181, 255, 0.14);
  --line-strong: rgba(79, 181, 255, 0.26);
  --blue: #173caa;
  --blue-deep: #0a2364;
  --blue-soft: #eef8ff;
  --light-blue: #4fb5ff;
  --cyan: #70f0ff;
  --violet: #7557ff;
  --red: #cf1322;
  --green: #0c8f75;
  --shadow: 0 24px 64px rgba(23, 60, 170, 0.16);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 9% 12%, rgba(112, 240, 255, 0.22), transparent 32%),
    radial-gradient(circle at 88% 6%, rgba(117, 87, 255, 0.16), transparent 28%),
    radial-gradient(circle at 58% 38%, rgba(79, 181, 255, 0.12), transparent 34%),
    var(--bg);
  font-family: "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
}

body.is-menu-open {
  overflow: hidden;
}

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

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

button {
  font: inherit;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 0;
  background: rgba(248, 252, 255, 0.88);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 28px rgba(23, 60, 170, 0.06);
}

.header-inner {
  width: min(1220px, calc(100% - 48px));
  min-height: 76px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand img {
  width: 168px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  color: #41536a;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 10px;
  border-radius: 999px;
  transition: color 160ms ease, background 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--blue);
  background: rgba(79, 181, 255, 0.12);
  outline: 0;
}

.site-nav .nav-cta {
  margin-left: 6px;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--light-blue) 68%, var(--cyan));
  box-shadow: 0 14px 32px rgba(23, 60, 170, 0.26);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue-deep), var(--blue), var(--light-blue));
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 12px 26px rgba(23, 60, 170, 0.12);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.site-header.gy-site-header {
  z-index: 2000;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(22px, 7vw, 96px);
  border-bottom: 1px solid #e8eef7;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: none;
  backdrop-filter: blur(14px);
}

.gy-site-header .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 250px;
  color: #0a2a57;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  font-weight: 900;
  letter-spacing: 0;
}

.gy-site-header .brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 6px;
  color: #ffffff;
  background: linear-gradient(135deg, #e60012, #ff4a4a);
  box-shadow: 0 12px 24px rgba(230, 0, 18, 0.2);
  font-size: 18px;
  font-weight: 900;
}

.gy-site-header .brand-text {
  display: block;
  color: #0a2a57;
  font-size: 18px;
  line-height: 1.15;
  white-space: nowrap;
}

.gy-site-header .brand-text small {
  display: block;
  margin-top: 3px;
  color: #6c7d94;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.gy-site-header .nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  color: #3b4d66;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  font-size: 14px;
  font-weight: 800;
}

.gy-site-header .nav a:hover {
  color: #0054d9;
}

.gy-site-header .nav [aria-disabled="true"] {
  cursor: default;
}

.gy-site-header .nav [aria-disabled="true"]:hover {
  color: inherit;
}

.gy-site-header .nav-menu {
  position: relative;
}

.gy-site-header .nav-menu summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  cursor: pointer;
  white-space: nowrap;
}

.gy-site-header .nav-menu summary::-webkit-details-marker {
  display: none;
}

.gy-site-header .nav-menu summary::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform 180ms ease;
}

.gy-site-header .nav-menu[open] summary,
.gy-site-header .nav-menu summary:hover {
  color: #0054d9;
}

.gy-site-header .nav-menu[open] summary::after {
  transform: translateY(1px) rotate(225deg);
}

.gy-site-header .nav-submenu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  display: grid;
  width: min(360px, 86vw);
  padding: 10px;
  border: 1px solid rgba(216, 224, 228, 0.9);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 18px 45px rgba(22, 36, 42, 0.14);
  transform: translateX(-50%);
}

.gy-site-header .nav-submenu::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -7px;
  width: 12px;
  height: 12px;
  border-left: 1px solid rgba(216, 224, 228, 0.9);
  border-top: 1px solid rgba(216, 224, 228, 0.9);
  background: #ffffff;
  transform: translateX(-50%) rotate(45deg);
}

.gy-site-header .nav-submenu a {
  position: relative;
  z-index: 1;
  padding: 12px 13px;
  border-radius: 6px;
  color: #0a2a57;
  line-height: 1.35;
}

.gy-site-header .nav-submenu a:hover {
  color: #0054d9;
  background: #f1f6ff;
}

.gy-site-header .product-nav {
  position: static;
}

.gy-site-header .product-mega {
  left: 50%;
  grid-template-columns: minmax(260px, 0.82fr) minmax(520px, 1.18fr);
  gap: 18px;
  width: min(1040px, calc(100vw - 48px));
  padding: 18px;
  transform: translateX(-50%);
}

.gy-site-header .mega-column {
  min-width: 0;
}

.gy-site-header .mega-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 10px;
  padding: 0 4px 10px;
  border-bottom: 1px solid #e4edf8;
}

.gy-site-header .mega-head strong {
  color: #071d3b;
  font-size: 15px;
  font-weight: 950;
}

.gy-site-header .mega-head a {
  padding: 0;
  color: #0054d9;
  font-size: 12px;
  font-weight: 900;
}

.gy-site-header .mega-head a:hover {
  background: transparent;
}

.gy-site-header .mega-list {
  display: grid;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.gy-site-header .product-list {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.gy-site-header .mega-link {
  display: block;
  min-height: 58px;
  padding: 10px 11px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: #10213d;
  background: #ffffff;
}

.gy-site-header .mega-link:hover {
  border-color: #d8e8fb;
  background: linear-gradient(180deg, #f8fbff, #eef6ff);
}

.gy-site-header .mega-link strong {
  display: block;
  color: #0a2a57;
  font-size: 13px;
  line-height: 1.35;
  font-weight: 950;
}

.gy-site-header .mega-link span {
  display: block;
  margin-top: 4px;
  color: #66788f;
  font-size: 11px;
  line-height: 1.45;
  font-weight: 700;
}

.gy-site-header .nav-consult {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 18px;
  color: #1688ff;
  border: 1px solid rgba(22, 136, 255, 0.55);
  border-radius: 4px;
  background: #f7fbff;
  font: inherit;
  font-weight: 850;
  white-space: nowrap;
  cursor: pointer;
}

@media (max-width: 1080px) {
  .gy-site-header .nav {
    gap: 18px;
  }

  .gy-site-header .product-nav {
    position: relative;
  }

  .gy-site-header .product-mega {
    grid-template-columns: 1fr;
    max-height: calc(100vh - 110px);
    overflow: auto;
  }

  .gy-site-header .product-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .site-header.gy-site-header {
    height: auto;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding: 16px 6vw;
  }

  .gy-site-header .brand {
    min-width: 0;
  }

  .gy-site-header .nav {
    width: 100%;
    gap: 18px;
    padding-bottom: 3px;
    overflow-x: auto;
    font-size: 13px;
    white-space: nowrap;
  }

  .gy-site-header .product-mega {
    left: 16px;
    right: 16px;
    width: auto;
    padding: 14px;
    transform: none;
  }

  .gy-site-header .product-list {
    grid-template-columns: 1fr;
  }
}

.hero-home {
  position: relative;
  min-height: 680px;
  display: flex;
  align-items: center;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 18%, rgba(112, 240, 255, 0.32), transparent 30%),
    radial-gradient(circle at 64% 12%, rgba(117, 87, 255, 0.22), transparent 26%),
    radial-gradient(circle at 36% 72%, rgba(79, 181, 255, 0.18), transparent 30%),
    linear-gradient(90deg, rgba(248, 252, 255, 0.98) 0%, rgba(230, 246, 255, 0.92) 48%, rgba(255, 255, 255, 0.42) 100%),
    linear-gradient(0deg, rgba(248, 252, 255, 0.78), rgba(248, 252, 255, 0.18)),
    url("./assets/image5.png") center / cover no-repeat;
  overflow: hidden;
}

.hero-home::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 118px;
  background: linear-gradient(180deg, rgba(245, 249, 253, 0), var(--bg));
  pointer-events: none;
}

.hero-home .container {
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 760px;
  padding: 88px 0 112px;
}

.eyebrow,
.section-kicker,
.case-label {
  margin: 0;
  color: var(--blue);
  font-size: 13px;
  line-height: 1.4;
  font-weight: 900;
  text-transform: uppercase;
}

.hero-home .eyebrow {
  color: var(--blue);
}

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

.hero-home h1 {
  max-width: 720px;
  margin-bottom: 24px;
  font-size: clamp(48px, 6vw, 78px);
  line-height: 1.05;
  font-weight: 900;
}

.hero-lead {
  max-width: 650px;
  margin: 0 0 32px;
  color: #42566f;
  font-size: 20px;
  line-height: 1.8;
}

.hero-actions,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 900;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: 0;
}

.button.primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--light-blue) 72%, var(--cyan));
  box-shadow: 0 16px 34px rgba(23, 60, 170, 0.28);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: linear-gradient(135deg, var(--blue-deep), var(--blue), var(--light-blue));
}

.button.secondary {
  color: var(--blue);
  background: rgba(238, 248, 255, 0.82);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 28px rgba(79, 181, 255, 0.14);
}

.button.secondary:hover,
.button.secondary:focus-visible {
  background: #ffffff;
  box-shadow: 0 16px 32px rgba(23, 60, 170, 0.17);
}

.button.light {
  color: var(--blue);
  background: #ffffff;
  box-shadow: 0 12px 26px rgba(79, 181, 255, 0.16);
}

.button.light:hover,
.button.light:focus-visible {
  box-shadow: 0 16px 32px rgba(23, 60, 170, 0.17);
}

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  max-width: 760px;
  margin: 40px 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(circle at 8% 0%, rgba(112, 240, 255, 0.22), transparent 42%),
    rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(12px);
  box-shadow: 0 22px 50px rgba(23, 60, 170, 0.14);
}

.stats div {
  min-height: 112px;
  padding: 22px 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.74), rgba(238, 248, 255, 0.54));
}

.stats dt {
  color: var(--blue);
  font-size: 32px;
  line-height: 1.1;
  font-weight: 900;
}

.stats dd {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 92px 0;
}

.section.compact {
  padding: 66px 0;
}

.band-soft {
  background:
    radial-gradient(circle at 14% 18%, rgba(112, 240, 255, 0.22), transparent 28%),
    radial-gradient(circle at 86% 8%, rgba(117, 87, 255, 0.13), transparent 26%),
    linear-gradient(180deg, #f8fcff 0%, #edf8ff 100%);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 38px;
}

.section-head h2,
.split h2,
.demo-card h2,
.about-grid h2 {
  margin: 8px 0 0;
  color: var(--ink);
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.14;
  font-weight: 900;
}

.section-lead {
  max-width: 470px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 64px;
  align-items: start;
}

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

.feature-item,
.solution-card,
.case-card,
.news-item,
.metric-card,
.build-item,
.result-card,
.related-card {
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 0% 0%, rgba(112, 240, 255, 0.16), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(244, 250, 255, 0.92));
  box-shadow: 0 18px 44px rgba(23, 60, 170, 0.08);
}

.feature-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  padding: 28px;
}

.feature-index {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--blue);
  background: linear-gradient(135deg, rgba(112, 240, 255, 0.32), rgba(79, 181, 255, 0.16));
  font-weight: 900;
}

.feature-item h3,
.solution-card h3,
.case-card h3,
.news-item h3 {
  margin: 0;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.35;
  font-weight: 900;
}

.feature-item p,
.solution-card p,
.case-card p,
.news-item p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.solutions-head {
  display: block;
  margin-bottom: 28px;
}

.solutions-head h2 {
  max-width: 920px;
}

.solutions-head .section-lead {
  max-width: 760px;
  margin-top: 18px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.capability-card {
  position: relative;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 100% 0%, rgba(117, 87, 255, 0.14), transparent 36%),
    radial-gradient(circle at 0% 0%, rgba(112, 240, 255, 0.22), transparent 38%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(239, 248, 255, 0.88));
  box-shadow: 0 22px 54px rgba(23, 60, 170, 0.12);
  overflow: hidden;
}

.capability-card::after {
  content: "";
  position: absolute;
  right: -32px;
  top: -32px;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(112, 240, 255, 0.36), rgba(79, 181, 255, 0.08) 68%, transparent 100%);
}

.capability-no {
  position: relative;
  z-index: 1;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--light-blue));
  font-size: 16px;
  font-weight: 900;
}

.capability-card h3 {
  position: relative;
  z-index: 1;
  margin: 34px 0 0;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.28;
  font-weight: 900;
}

.capability-card p {
  position: relative;
  z-index: 1;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.capability-tags {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 28px;
}

.capability-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--blue-deep);
  background: rgba(238, 248, 255, 0.9);
  font-size: 12px;
  font-weight: 800;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.solution-card {
  min-height: 236px;
  padding: 28px;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.solution-card::before {
  content: "";
  display: block;
  width: 42px;
  height: 4px;
  margin-bottom: 24px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.solution-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 26px 60px rgba(23, 60, 170, 0.15);
}

.cases-section {
  background:
    radial-gradient(circle at 82% 4%, rgba(117, 87, 255, 0.12), transparent 30%),
    #ffffff;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.case-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.case-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 26px 60px rgba(23, 60, 170, 0.15);
}

.case-media {
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(135deg, #eef8ff, #ffffff);
}

.case-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 260ms ease;
}

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

.case-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 26px;
}

.case-label {
  color: var(--quiet);
  font-size: 12px;
}

.case-card h3 {
  min-height: 60px;
  margin-top: 8px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tag-row span,
.chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  color: var(--blue-deep);
  background: linear-gradient(135deg, rgba(238, 248, 255, 0.94), rgba(226, 244, 255, 0.86));
  font-size: 12px;
  font-weight: 800;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
  padding-top: 22px;
  color: var(--blue);
  font-size: 15px;
  font-weight: 900;
}

.text-link::after {
  content: "→";
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.timeline-step {
  padding: 28px;
  border-left: 0;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 0% 0%, rgba(112, 240, 255, 0.18), transparent 42%),
    #ffffff;
  box-shadow: 0 18px 44px rgba(23, 60, 170, 0.08);
}

.timeline-step span {
  color: var(--quiet);
  font-size: 13px;
  font-weight: 900;
}

.timeline-step h3 {
  margin: 12px 0 8px;
  color: var(--ink);
  font-size: 22px;
}

.timeline-step p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.news-item {
  padding: 28px;
}

.news-item span {
  display: inline-flex;
  margin-bottom: 16px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 80px;
  align-items: start;
}

.about-text {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.95;
}

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

.faq-list details {
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 0% 0%, rgba(112, 240, 255, 0.14), transparent 36%),
    #ffffff;
  box-shadow: 0 16px 38px rgba(23, 60, 170, 0.08);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 28px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
  cursor: pointer;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--blue);
  background: var(--blue-soft);
  flex: 0 0 auto;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  margin: 0;
  padding: 0 28px 24px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.partners-section {
  background:
    radial-gradient(circle at 12% 20%, rgba(112, 240, 255, 0.16), transparent 30%),
    radial-gradient(circle at 78% 0%, rgba(117, 87, 255, 0.10), transparent 26%),
    #ffffff;
  overflow: hidden;
}

.partners-section .section-head {
  margin-bottom: 28px;
}

.logo-marquee {
  position: relative;
  display: grid;
  gap: 18px;
  padding: 8px 0;
  overflow: hidden;
}

.logo-marquee::before,
.logo-marquee::after {
  content: "";
  position: absolute;
  top: 0;
  z-index: 2;
  width: 120px;
  height: 100%;
  pointer-events: none;
}

.logo-marquee::before {
  left: 0;
  background: linear-gradient(90deg, #ffffff, rgba(255, 255, 255, 0));
}

.logo-marquee::after {
  right: 0;
  background: linear-gradient(270deg, #ffffff, rgba(255, 255, 255, 0));
}

.logo-track {
  display: flex;
  width: max-content;
  gap: 18px;
  animation: partner-scroll 34s linear infinite;
}

.logo-track-reverse {
  animation-duration: 40s;
}

.partner-logo {
  display: grid;
  grid-template-rows: 82px auto;
  place-items: center;
  width: 132px;
  min-height: 150px;
  flex: 0 0 auto;
  gap: 10px;
  padding: 14px 10px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 30px rgba(23, 60, 170, 0.10);
}

.partner-logo img {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 18%, rgba(112, 240, 255, 0.16), transparent 44%),
    #ffffff;
  object-fit: contain;
  padding: 10px;
  box-shadow: 0 10px 24px rgba(23, 60, 170, 0.10);
  filter: saturate(1.06) contrast(1.04);
}

.partner-logo span {
  display: -webkit-box;
  overflow: hidden;
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

@keyframes partner-scroll {
  from {
    transform: translateX(calc(-50% - 12px));
  }

  to {
    transform: translateX(0);
  }
}

.demo-section {
  padding-top: 72px;
}

.demo-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
  padding: 48px;
  border-radius: var(--radius);
  color: #ffffff;
  background:
    radial-gradient(circle at 82% 12%, rgba(112, 240, 255, 0.32), transparent 30%),
    radial-gradient(circle at 12% 88%, rgba(117, 87, 255, 0.22), transparent 32%),
    linear-gradient(135deg, var(--blue-deep), var(--blue) 58%, var(--light-blue)),
    url("./assets/soft-flow-bg.png") center / cover no-repeat;
  box-shadow: var(--shadow);
}

.demo-card h2,
.demo-card .section-kicker {
  color: #ffffff;
}

.demo-card p {
  max-width: 700px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 17px;
  line-height: 1.8;
}

.site-footer {
  padding: 34px 0;
  background: linear-gradient(180deg, #ffffff, #f3faff);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: var(--quiet);
  font-size: 14px;
}

.footer-inner img {
  width: 160px;
}

.case-hero {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: end;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 18%, rgba(112, 240, 255, 0.26), transparent 30%),
    radial-gradient(circle at 68% 8%, rgba(117, 87, 255, 0.18), transparent 26%),
    linear-gradient(90deg, rgba(248, 252, 255, 0.98) 0%, rgba(230, 246, 255, 0.9) 52%, rgba(255, 255, 255, 0.36) 100%),
    linear-gradient(0deg, rgba(248, 252, 255, 0.76), rgba(248, 252, 255, 0.16)),
    var(--hero-image) center / cover no-repeat;
}

.case-hero .container {
  padding: 96px 0 72px;
}

.case-hero .back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--blue);
  background: rgba(238, 248, 255, 0.86);
  font-size: 14px;
  font-weight: 900;
  backdrop-filter: blur(8px);
  box-shadow: 0 12px 28px rgba(79, 181, 255, 0.16);
}

.case-hero h1 {
  max-width: 850px;
  margin: 26px 0 18px;
  font-size: clamp(42px, 5.5vw, 68px);
  line-height: 1.08;
  font-weight: 900;
}

.project-title {
  max-width: 840px;
  margin: 0;
  color: #20364f;
  font-size: 24px;
  line-height: 1.55;
  font-weight: 800;
}

.case-subtitle {
  max-width: 760px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-tags .chip {
  min-height: 34px;
  color: var(--blue-deep);
  background: rgba(238, 248, 255, 0.86);
}

.case-layout {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
  padding: 72px 0 96px;
}

.case-sidebar {
  position: sticky;
  top: 106px;
  display: grid;
  gap: 18px;
}

.case-nav,
.case-note {
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 0% 0%, rgba(112, 240, 255, 0.15), transparent 38%),
    #ffffff;
  box-shadow: 0 16px 38px rgba(23, 60, 170, 0.08);
}

.case-nav {
  padding: 14px;
}

.case-nav a {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 900;
}

.case-nav a:hover,
.case-nav a:focus-visible {
  color: var(--blue);
  background: linear-gradient(135deg, rgba(238, 248, 255, 0.96), rgba(224, 244, 255, 0.86));
  outline: 0;
}

.case-note {
  padding: 20px;
}

.case-note span {
  color: var(--quiet);
  font-size: 13px;
  font-weight: 900;
}

.case-note strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 24px;
}

.case-note p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.case-main {
  display: grid;
  gap: 56px;
}

.case-section {
  scroll-margin-top: 110px;
}

.case-section h2 {
  margin: 0 0 22px;
  color: var(--ink);
  font-size: clamp(30px, 3.5vw, 44px);
  line-height: 1.18;
  font-weight: 900;
}

.lead-panel {
  padding: 30px;
  border-left: 0;
  border-radius: var(--radius);
  color: var(--muted);
  background:
    radial-gradient(circle at 0% 0%, rgba(112, 240, 255, 0.18), transparent 40%),
    #ffffff;
  box-shadow: 0 18px 44px rgba(23, 60, 170, 0.08);
  font-size: 18px;
  line-height: 1.95;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.metric-card {
  min-height: 136px;
  padding: 24px;
}

.metric-card strong {
  display: block;
  color: var(--blue);
  font-size: 32px;
  line-height: 1.1;
  font-weight: 900;
}

.metric-card span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.build-list,
.result-list {
  display: grid;
  gap: 14px;
}

.build-item {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 26px;
  align-items: start;
  padding: 28px;
}

.build-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--blue-deep);
  background: linear-gradient(135deg, rgba(112, 240, 255, 0.24), rgba(79, 181, 255, 0.12));
  font-size: 14px;
  font-weight: 900;
}

.build-item h3,
.result-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.45;
  font-weight: 900;
}

.build-item p,
.result-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.result-card {
  position: relative;
  padding: 28px 30px 28px 86px;
}

.result-card::before {
  content: attr(data-no);
  position: absolute;
  left: 30px;
  top: 30px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #ffffff;
  background: linear-gradient(135deg, var(--blue), var(--light-blue));
  font-weight: 900;
}

.summary-panel {
  padding: 36px;
  border-radius: var(--radius);
  color: #ffffff;
  background:
    radial-gradient(circle at 88% 0%, rgba(112, 240, 255, 0.34), transparent 34%),
    radial-gradient(circle at 10% 86%, rgba(117, 87, 255, 0.24), transparent 36%),
    linear-gradient(135deg, var(--blue-deep), var(--blue) 68%, var(--light-blue));
  box-shadow: 0 24px 64px rgba(23, 60, 170, 0.18);
}

.summary-panel h2 {
  margin: 0;
  color: #ffffff;
  font-size: 32px;
}

.summary-panel p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
  line-height: 1.9;
}

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

.related-card {
  padding: 22px;
}

.related-card span {
  color: var(--quiet);
  font-size: 12px;
  font-weight: 900;
}

.related-card h3 {
  margin: 10px 0 16px;
  color: var(--ink);
  font-size: 19px;
  line-height: 1.45;
}

@media (max-width: 1080px) {
  .solution-grid,
  .capability-grid,
  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-grid,
  .news-list,
  .timeline,
  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .case-layout {
    grid-template-columns: 1fr;
  }

  .case-sidebar {
    position: static;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .header-inner {
    min-height: 66px;
  }

  .brand img {
    width: 148px;
  }

  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: fixed;
    left: 16px;
    right: 16px;
    top: 76px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border-radius: var(--radius);
    background:
      radial-gradient(circle at 0% 0%, rgba(112, 240, 255, 0.18), transparent 36%),
      #ffffff;
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    justify-content: flex-start;
  }

  .site-nav .nav-cta {
    margin-left: 0;
  }

  .hero-home {
    min-height: 620px;
  }

  .hero-copy {
    padding: 64px 0 92px;
  }

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

  .section {
    padding: 70px 0;
  }

  .section-head,
  .split,
  .about-grid,
  .demo-card {
    grid-template-columns: 1fr;
  }

  .section-head {
    align-items: start;
  }

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

@media (max-width: 640px) {
  .container,
  .header-inner {
    width: min(100% - 32px, 1180px);
  }

  .hero-home {
    min-height: 0;
  }

  .hero-copy {
    padding: 56px 0 76px;
  }

  .hero-home h1 {
    font-size: 42px;
  }

  .hero-lead,
  .project-title {
    font-size: 17px;
  }

  .stats,
  .solution-grid,
  .capability-grid,
  .case-grid,
  .news-list,
  .timeline,
  .metric-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .stats div {
    min-height: auto;
  }

  .feature-item,
  .build-item {
    grid-template-columns: 1fr;
  }

  .case-card h3 {
    min-height: 0;
  }

  .logo-track {
    gap: 14px;
  }

  .partner-logo {
    grid-template-rows: 68px auto;
    width: 112px;
    min-height: 132px;
    padding: 12px 8px 10px;
  }

  .partner-logo img {
    width: 64px;
    height: 64px;
    padding: 8px;
  }

  .partner-logo span {
    font-size: 12px;
  }

  .logo-marquee::before,
  .logo-marquee::after {
    width: 44px;
  }

  .demo-card {
    padding: 32px 24px;
  }

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

  .case-hero {
    min-height: 520px;
  }

  .case-hero .container {
    padding: 62px 0 54px;
  }

  .case-hero h1 {
    font-size: 38px;
  }

  .case-layout {
    padding: 52px 0 72px;
  }

  .case-main {
    gap: 44px;
  }

  .lead-panel,
  .summary-panel {
    padding: 24px;
  }

  .result-card {
    padding: 72px 24px 24px;
  }

  .result-card::before {
    left: 24px;
    top: 24px;
  }
}