:root {
  --ink: #0b1020;
  --ink-soft: #334155;
  --muted: #64748b;
  --line: #e5e7eb;
  --surface: #f8fafc;
  --navy: #071021;
  --navy-2: #0b1731;
  --blue: #2f52d6;
  --blue-dark: #1a35a8;
  --magenta: #e40082;
  --white: #ffffff;
  --container: 1280px;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}

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

.site-main {
  overflow: clip;
}

.topbar {
  background: #06102a;
  color: #b8c3d9;
  font-size: 13px;
}

.topbar-inner {
  display: flex;
  min-height: 40px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.topbar-slogan {
  white-space: nowrap;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 28px;
}

.topbar a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #d6dceb;
  transition: color 0.2s ease;
}

.topbar a:hover {
  color: var(--white);
}

.ai-brand-mark {
  position: relative;
  width: 12px;
  height: 12px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  transform: rotate(45deg);
}

.ai-brand-mark::after {
  position: absolute;
  inset: 3px;
  content: "";
  background: var(--magenta);
}

.site-header {
  position: sticky;
  z-index: 80;
  top: 0;
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 6px 24px rgba(15, 23, 42, 0.04);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: grid;
  min-height: 80px;
  grid-template-columns: 190px 1fr 190px;
  align-items: center;
  gap: 22px;
}

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

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

.main-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}

.nav-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 5px;
  padding: 0 15px;
  border-radius: 8px;
  color: #20283a;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-link:hover,
.nav-dropdown:hover > .nav-link {
  color: var(--blue);
  background: #f1f5ff;
}

.chevron {
  width: 7px;
  height: 7px;
  margin-top: -3px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
}

.nav-dropdown {
  position: relative;
}

.dropdown-panel {
  position: absolute;
  z-index: 90;
  top: calc(100% - 4px);
  left: 50%;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.16);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.nav-dropdown:hover .dropdown-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.dropdown-wide {
  display: grid;
  width: min(600px, calc(100vw - 40px));
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.dropdown-mega {
  display: grid;
  width: min(920px, calc(100vw - 40px));
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
}

.dropdown-panel a {
  display: block;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 8px;
  transition: background 0.2s ease;
}

.dropdown-panel a:hover {
  background: #f4f7ff;
}

.dropdown-panel strong,
.dropdown-panel small {
  display: block;
}

.dropdown-panel strong {
  color: #172033;
  font-size: 14px;
}

.dropdown-panel small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
  white-space: normal;
}

.header-cta {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 22px;
  border-radius: 4px;
  color: var(--white);
  background: linear-gradient(110deg, #1e3aac 0%, #d81287 100%);
  box-shadow: 0 10px 30px rgba(47, 82, 214, 0.25);
  font-weight: 800;
  letter-spacing: 0.3px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.header-cta:hover {
  box-shadow: 0 14px 38px rgba(47, 82, 214, 0.34);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 0;
  border-radius: 8px;
  background: #f5f7fb;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  margin: 5px 0;
  background: #172033;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.icon-phone {
  position: relative;
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-radius: 6px 6px 8px 8px;
  transform: rotate(-35deg);
}

.icon-phone::before,
.icon-phone::after {
  position: absolute;
  width: 5px;
  height: 5px;
  content: "";
  border-radius: 50%;
  background: currentColor;
}

.icon-phone::before {
  top: -3px;
  left: 2px;
}

.icon-phone::after {
  right: -3px;
  bottom: 1px;
}

.btn {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 800;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease,
    box-shadow 0.2s ease;
}

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

.btn-gradient {
  color: var(--white);
  background: linear-gradient(105deg, #203cb5 0%, #d71487 100%);
  box-shadow: 0 14px 36px rgba(34, 55, 170, 0.25);
}

.btn-gradient:hover {
  box-shadow: 0 18px 44px rgba(34, 55, 170, 0.34);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.26);
  color: var(--white);
  background: rgba(255, 255, 255, 0.02);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.08);
}

.btn-outline {
  border-color: #cbd5e1;
  color: #1e293b;
  background: var(--white);
}

.btn-outline:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.btn-white {
  color: #0f1f5a;
  background: var(--white);
  box-shadow: 0 14px 34px rgba(2, 8, 41, 0.18);
}

.arrow {
  font-size: 18px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: 74px;
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(4, 11, 31, 0.97) 0%, rgba(5, 13, 34, 0.92) 46%, rgba(5, 13, 34, 0.74) 100%),
    var(--hero-image) center right / cover no-repeat,
    #071021;
}

.hero::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle at 19% 24%, rgba(47, 82, 214, 0.28), transparent 31%),
    radial-gradient(circle at 78% 64%, rgba(228, 0, 130, 0.15), transparent 26%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.26;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, black, transparent 72%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 520px;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
}

.hero-copy {
  max-width: 690px;
  padding: 18px 0 46px;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 7px 12px;
  border: 1px solid rgba(98, 136, 255, 0.45);
  color: #bcd0ff;
  background: rgba(15, 36, 88, 0.55);
  font-size: 13px;
}

.eyebrow-pill > span {
  width: 6px;
  height: 6px;
  background: #87a8ff;
  transform: rotate(45deg);
}

.hero h1 {
  max-width: 760px;
  margin-top: 24px;
  font-size: 48px;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.16;
}

.hero h1 span {
  display: inline;
  color: #9db7ff;
  background: linear-gradient(90deg, #8faaff 0%, #ff61bd 100%);
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

@media (min-width: 721px) {
  .hero h1 span {
    white-space: nowrap;
  }
}

.hero-copy > p {
  max-width: 670px;
  margin-top: 22px;
  color: #b8c3d7;
  font-size: 17px;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.hero-visual {
  align-self: center;
}

.hero-image-wrap {
  position: relative;
  padding: 10px;
  border: 1px solid rgba(139, 165, 255, 0.28);
  border-radius: 18px;
  background: rgba(5, 15, 42, 0.36);
  box-shadow: 0 30px 95px rgba(0, 0, 0, 0.34);
}

.hero-image-wrap > img {
  width: 100%;
  min-height: 330px;
  border-radius: 12px;
  object-fit: cover;
}

.hero-float {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 13px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 7px;
  color: #e6edff;
  background: rgba(8, 21, 52, 0.9);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.24);
  font-size: 13px;
  font-weight: 700;
  backdrop-filter: blur(10px);
}

.hero-float i {
  width: 9px;
  height: 9px;
  border: 2px solid #74a1ff;
  border-radius: 50%;
}

.hero-float-top {
  top: 22px;
  right: -18px;
}

.hero-float-bottom {
  bottom: 24px;
  left: -20px;
  flex-wrap: wrap;
}

.hero-float-bottom small {
  width: 100%;
  margin-left: 17px;
  color: #8fa2c3;
  font-size: 11px;
  font-weight: 400;
}

.hero-stats {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stats > div {
  min-height: 94px;
  padding: 18px 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stats > div:last-child {
  border-right: 0;
}

.hero-stats strong,
.hero-stats span {
  display: block;
}

.hero-stats strong {
  color: #a9c1ff;
  font-size: 30px;
  font-weight: 900;
  line-height: 1.2;
}

.hero-stats span {
  margin-top: 6px;
  color: #8e9bb3;
  font-size: 13px;
}

.tech-strip {
  border-bottom: 1px solid #edf0f5;
  background: #f8fafc;
}

.tech-strip-inner {
  display: flex;
  min-height: 68px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 28px;
  color: #64748b;
  font-size: 13px;
  font-weight: 600;
}

.tech-strip-inner span {
  white-space: nowrap;
}

.section {
  padding: 82px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 36px;
  margin-bottom: 42px;
}

.section-head > div {
  max-width: 800px;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
}

.section-kicker i {
  display: inline-block;
  width: 4px;
  height: 16px;
  background: var(--blue);
}

.section-head h2,
.custom-solution-band h2,
.contact-section h2 {
  margin-top: 12px;
  font-size: 34px;
  font-weight: 900;
  line-height: 1.3;
}

.section-head p:not(.section-kicker) {
  margin-top: 12px;
  color: var(--muted);
  font-size: 16px;
}

.text-link,
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
  white-space: nowrap;
}

.text-link span,
.card-link b {
  transition: transform 0.2s ease;
}

.text-link:hover span,
.card-link:hover b {
  transform: translateX(4px);
}

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

.service-card,
.service-list-card {
  display: flex;
  min-height: 300px;
  flex-direction: column;
  padding: 28px;
  border: 1px solid #e8edf5;
  border-radius: 9px;
  background: var(--white);
  box-shadow: 0 12px 38px rgba(15, 23, 42, 0.045);
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.service-card:hover,
.service-list-card:hover {
  border-color: #b8c8ff;
  box-shadow: 0 18px 48px rgba(47, 82, 214, 0.12);
  transform: translateY(-5px);
}

.service-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.service-index {
  color: #c7cedb;
  font-size: 13px;
  font-weight: 800;
}

.service-icon {
  position: relative;
  display: inline-flex;
  width: 54px;
  height: 54px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  color: var(--white);
  background: linear-gradient(135deg, #1f3fb9, #2f64ee);
  box-shadow: 0 12px 28px rgba(47, 82, 214, 0.28);
}

.service-icon::before,
.service-icon::after {
  position: absolute;
  content: "";
}

.service-icon::before {
  width: 23px;
  height: 23px;
  border: 2px solid rgba(255, 255, 255, 0.92);
  border-radius: 5px;
}

.service-icon::after {
  width: 2px;
  height: 30px;
  background: rgba(255, 255, 255, 0.82);
  transform: rotate(45deg);
}

.icon-sparkles::after,
.icon-code::after {
  width: 20px;
  height: 2px;
  transform: rotate(-45deg);
}

.icon-globe::before {
  border-radius: 50%;
}

.icon-smartphone::before {
  width: 16px;
  height: 25px;
  border-radius: 4px;
}

.icon-layers::before {
  width: 24px;
  height: 16px;
  border-radius: 2px;
  box-shadow: 0 6px 0 rgba(255, 255, 255, 0.3);
}

.icon-grid::before {
  width: 23px;
  height: 23px;
  border-radius: 2px;
  background:
    linear-gradient(90deg, transparent 46%, rgba(255, 255, 255, 0.8) 46%, rgba(255, 255, 255, 0.8) 54%, transparent 54%),
    linear-gradient(transparent 46%, rgba(255, 255, 255, 0.8) 46%, rgba(255, 255, 255, 0.8) 54%, transparent 54%);
}

.service-card h3,
.service-list-card h2 {
  margin-top: 24px;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.35;
}

.service-card > strong,
.service-list-card > strong {
  margin-top: 8px;
  color: #3451bf;
  font-size: 14px;
}

.service-card > p,
.service-list-card > p {
  display: -webkit-box;
  overflow: hidden;
  margin-top: 13px;
  color: var(--muted);
  font-size: 14px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.service-card .card-link,
.service-list-card .card-link {
  margin-top: auto;
  padding-top: 22px;
}

.section-dark {
  color: var(--white);
  background: var(--navy);
}

.section-dark .section-kicker {
  color: #6e96ff;
}

.section-dark .section-kicker i {
  background: #6e96ff;
}

.section-dark .section-head p:not(.section-kicker),
.section-dark .text-link {
  color: #91a3c1;
}

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

.solution-card {
  position: relative;
  display: flex;
  min-height: 220px;
  flex-direction: column;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 7px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015));
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.solution-card:hover {
  border-color: rgba(103, 145, 255, 0.55);
  background: linear-gradient(145deg, rgba(47, 82, 214, 0.14), rgba(255, 255, 255, 0.025));
  transform: translateY(-4px);
}

.solution-no {
  color: #52627d;
  font-size: 13px;
  font-weight: 800;
}

.solution-card h3 {
  margin-top: 16px;
  font-size: 20px;
  line-height: 1.4;
}

.solution-card p {
  display: -webkit-box;
  overflow: hidden;
  margin-top: 12px;
  color: #91a0b8;
  font-size: 13px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.solution-card .card-link {
  margin-top: auto;
  padding-top: 18px;
  color: #6f96ff;
}

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

.product-card {
  overflow: hidden;
  border: 1px solid #e7ebf2;
  border-radius: 10px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.045);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.product-card:hover {
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.12);
  transform: translateY(-5px);
}

.product-image {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: #eef3ff;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.34s ease;
}

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

.product-copy {
  padding: 22px;
}

.product-en {
  color: #8b97ab;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.product-copy h3 {
  margin-top: 7px;
  font-size: 21px;
  font-weight: 900;
}

.product-copy h3 small {
  display: block;
  margin-top: 3px;
  color: #3451bf;
  font-size: 13px;
}

.product-copy p {
  display: -webkit-box;
  overflow: hidden;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 15px;
}

.tag-row span {
  padding: 4px 8px;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  color: #526071;
  background: #f8fafc;
  font-size: 11px;
  font-weight: 600;
}

.section-process {
  background: #f8fafc;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.process-card {
  position: relative;
  min-height: 180px;
  padding: 24px;
  border: 1px solid #e5eaf2;
  border-radius: 8px;
  background: var(--white);
}

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

.process-card h3 {
  margin-top: 18px;
  font-size: 19px;
}

.process-card p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.process-card i {
  position: absolute;
  right: 20px;
  bottom: 16px;
  color: #b2bccb;
  font-size: 11px;
  font-style: normal;
}

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

.onsite-grid figure {
  overflow: hidden;
  border: 1px solid #e6ebf2;
  border-radius: 8px;
  background: var(--white);
}

.onsite-grid img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.onsite-grid figcaption {
  padding: 18px 20px 22px;
}

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

.onsite-grid figcaption strong {
  font-size: 16px;
}

.onsite-grid figcaption span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

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

.case-preview-card {
  display: flex;
  min-height: 245px;
  flex-direction: column;
  padding: 26px;
  border: 1px solid #e6ebf2;
  border-radius: 8px;
  background: var(--white);
}

.case-tag {
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.case-preview-card h3 {
  margin-top: 15px;
  font-size: 21px;
}

.case-preview-card p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.case-preview-card .card-link {
  margin-top: auto;
  padding-top: 20px;
}

.section-news {
  background: #f8fafc;
}

.news-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.news-preview-card {
  display: flex;
  min-height: 190px;
  flex-direction: column;
  padding: 24px 26px;
  border: 1px solid #e2e8f0;
  border-radius: 7px;
  background: var(--white);
}

.news-preview-card:first-child {
  grid-row: span 2;
  min-height: 396px;
  justify-content: center;
  padding: 34px;
}

.news-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  color: #8b97a9;
  font-size: 12px;
}

.news-meta span {
  padding: 3px 7px;
  border: 1px solid #dce5ff;
  color: #3451bf;
  background: #f5f8ff;
  font-weight: 700;
}

.news-preview-card h3 {
  margin-top: 13px;
  font-size: 19px;
  line-height: 1.55;
}

.news-preview-card:first-child h3 {
  font-size: 27px;
}

.news-preview-card p {
  margin-top: 9px;
  color: var(--muted);
  font-size: 13px;
}

.news-preview-card .card-link {
  margin-top: auto;
  padding-top: 18px;
}

.cta-band {
  padding: 46px 0;
  color: var(--white);
  background: linear-gradient(100deg, #153592 0%, #1e2b78 52%, #b40068 100%);
}

.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.cta-band h2 {
  font-size: 29px;
  font-weight: 900;
}

.cta-band p {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.site-footer {
  color: #9ba8bf;
  background: #050b1b;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.72fr 0.9fr 1.15fr;
  gap: 50px;
  padding-top: 62px;
  padding-bottom: 50px;
}

.footer-brand img {
  width: auto;
  height: 46px;
  filter: brightness(0) invert(1);
}

.footer-brand p {
  margin-top: 20px;
  font-size: 13px;
  line-height: 1.9;
}

.footer-phone {
  display: inline-block;
  margin-top: 18px;
  color: var(--white);
  font-size: 22px;
  font-weight: 900;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-column h3 {
  margin-bottom: 7px;
  color: var(--white);
  font-size: 15px;
}

.footer-column a,
.footer-column p {
  color: #94a1b7;
  font-size: 13px;
}

.footer-column a:hover {
  color: var(--white);
}

.footer-contact p {
  display: flex;
  align-items: flex-start;
  gap: 9px;
}

.footer-contact p span {
  min-width: 34px;
  color: #5c6b84;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.footer-bottom-inner {
  display: flex;
  min-height: 65px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 22px;
  color: #67748a;
  font-size: 12px;
}

.footer-bottom-inner a:hover {
  color: var(--white);
}

.backtop {
  position: fixed;
  z-index: 40;
  right: 24px;
  bottom: 94px;
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid #dbe3f0;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.16);
  cursor: pointer;
}

.backtop.visible {
  display: block;
}

.backtop span {
  position: absolute;
  top: 17px;
  left: 15px;
  width: 12px;
  height: 12px;
  border-top: 2px solid #334155;
  border-left: 2px solid #334155;
  transform: rotate(45deg);
}

.page-hero,
.detail-hero,
.solution-detail-hero,
.about-hero {
  position: relative;
  overflow: hidden;
  padding: 62px 0 58px;
  color: var(--white);
  background:
    linear-gradient(100deg, rgba(4, 10, 28, 0.98), rgba(7, 18, 44, 0.9)),
    url("/dushi/images/hero-main.jpg") center / cover no-repeat;
}

.page-hero::after,
.detail-hero::after,
.solution-detail-hero::after,
.about-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  opacity: 0.25;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 46px 46px;
}

.page-hero .container,
.detail-hero .container,
.solution-detail-hero .container,
.about-hero .container {
  position: relative;
  z-index: 1;
}

.page-hero h1,
.detail-hero h1,
.solution-detail-hero h1,
.about-hero h1 {
  max-width: 1000px;
  margin-top: 22px;
  font-size: 43px;
  font-weight: 900;
  line-height: 1.3;
}

.page-hero > .container > p,
.detail-hero > .container > p,
.about-hero > .container > p {
  max-width: 920px;
  margin-top: 15px;
  color: #aab7ce;
  font-size: 16px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  color: #7690b9;
  font-size: 12px;
}

.breadcrumb a:hover {
  color: var(--white);
}

.breadcrumb span:nth-child(even) {
  color: #435674;
}

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

.service-list-card {
  min-height: 360px;
}

.service-list-card h2 {
  font-size: 27px;
}

.process-grid-four {
  grid-template-columns: repeat(4, 1fr);
}

.process-grid-four .process-card {
  min-height: 210px;
}

.process-grid-four .process-card > span {
  display: inline-flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue);
}

.commitment-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.commitment-grid div {
  display: flex;
  min-height: 120px;
  align-items: center;
  gap: 14px;
  padding: 22px;
  border: 1px solid #e5eaf2;
  border-radius: 8px;
  background: var(--white);
}

.commitment-grid span {
  color: #c3ccdb;
  font-size: 22px;
  font-weight: 900;
}

.commitment-grid strong {
  font-size: 15px;
}

.detail-section {
  background: #f8fafc;
}

.detail-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  align-items: start;
  gap: 34px;
}

.detail-sidebar {
  position: sticky;
  top: 108px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: var(--white);
}

.sidebar-title {
  display: block;
  padding: 17px 18px;
  border-bottom: 1px solid #e9eef5;
  color: #7990b4;
  font-size: 12px;
  font-weight: 800;
}

.detail-sidebar > a {
  display: block;
  padding: 13px 18px;
  border-bottom: 1px solid #eff2f7;
  color: #495568;
  font-size: 14px;
}

.detail-sidebar > a:hover,
.detail-sidebar > a.active {
  color: #2343c0;
  background: #f2f6ff;
}

.detail-sidebar > a.active {
  box-shadow: inset 3px 0 0 #3451d3;
  font-weight: 800;
}

.sidebar-contact {
  padding: 20px 18px;
  color: var(--white);
  background: #081329;
}

.sidebar-contact strong,
.sidebar-contact span,
.sidebar-contact a {
  display: block;
}

.sidebar-contact strong {
  font-size: 15px;
}

.sidebar-contact span {
  margin-top: 4px;
  color: #8b9bb4;
  font-size: 12px;
}

.sidebar-contact a {
  margin-top: 12px;
  color: #8fa9ff;
  font-size: 18px;
  font-weight: 900;
}

.detail-content {
  min-height: 500px;
  padding: 42px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: var(--white);
}

.rich-content {
  color: #334155;
}

.rich-content > *:first-child {
  margin-top: 0;
}

.rich-content h2 {
  margin: 38px 0 16px;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.4;
}

.rich-content h3 {
  margin: 26px 0 12px;
  color: var(--ink);
  font-size: 21px;
}

.rich-content h4 {
  margin: 20px 0 9px;
  color: var(--ink);
  font-size: 17px;
}

.rich-content p,
.rich-content li {
  color: #4a5568;
  font-size: 15px;
  line-height: 1.95;
}

.rich-content p + p {
  margin-top: 12px;
}

.rich-content ul,
.rich-content ol {
  margin: 14px 0;
  padding-left: 22px;
}

.rich-content a {
  color: var(--blue);
  font-weight: 700;
}

.rich-content .dushi-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid #e8edf5;
}

.rich-content .dushi-tags span {
  padding: 5px 9px;
  border: 1px solid #dce5ff;
  border-radius: 4px;
  color: #3451bf;
  background: #f5f8ff;
  font-size: 12px;
  font-weight: 700;
}

.rich-content img {
  height: auto;
  margin: 20px 0;
  border-radius: 8px;
}

.rich-content table {
  width: 100%;
  margin: 18px 0;
  border-collapse: collapse;
}

.rich-content th,
.rich-content td {
  padding: 11px 13px;
  border: 1px solid #e2e8f0;
  text-align: left;
}

.rich-content th {
  background: #f8fafc;
}

.ds-detail-block {
  margin-top: 42px;
}

.ds-detail-block:first-child {
  margin-top: 0;
}

.ds-kicker {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
}

.ds-kicker::before {
  width: 4px;
  height: 16px;
  content: "";
  background: var(--blue);
}

.ds-detail-block > h2 {
  margin: 10px 0 20px;
  font-size: 30px;
}

.ds-pain-grid,
.ds-module-grid,
.ds-step-grid,
.ds-metric-grid,
.ds-strength-grid {
  display: grid;
  gap: 12px;
}

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

.ds-pain-item {
  position: relative;
  padding: 15px 16px 15px 44px;
  border: 1px solid #f1d9db;
  border-radius: 7px;
  background: #fff8f8;
  color: #624f53;
  font-size: 14px;
}

.ds-pain-item::before {
  position: absolute;
  top: 18px;
  left: 17px;
  display: flex;
  width: 17px;
  height: 17px;
  align-items: center;
  justify-content: center;
  content: "×";
  border: 1px solid #e8aeb5;
  border-radius: 50%;
  color: #d76a78;
  font-size: 11px;
  line-height: 1;
}

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

.ds-module-card {
  min-height: 132px;
  padding: 22px;
  border: 1px solid #e4eaf4;
  border-radius: 8px;
  background: #fbfcff;
}

.ds-module-card b,
.ds-module-card span {
  display: block;
}

.ds-module-card b {
  color: #1d3db8;
  font-size: 12px;
}

.ds-module-card strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 17px;
}

.ds-module-card span {
  margin-top: 7px;
  color: var(--muted);
  font-size: 13px;
}

.ds-step-grid {
  grid-template-columns: repeat(4, 1fr);
}

.ds-step-card {
  min-height: 160px;
  padding: 20px;
  border: 1px solid #e4eaf4;
  border-radius: 8px;
  background: var(--white);
}

.ds-step-card b {
  color: var(--blue);
  font-size: 13px;
}

.ds-step-card strong {
  display: block;
  margin-top: 18px;
  font-size: 17px;
}

.ds-step-card span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 13px;
}

.ds-metric-grid {
  grid-template-columns: repeat(3, 1fr);
  padding: 20px;
  border-radius: 8px;
  background: #071329;
}

.ds-metric-card {
  padding: 10px 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.ds-metric-card:last-child {
  border-right: 0;
}

.ds-metric-card strong,
.ds-metric-card span {
  display: block;
}

.ds-metric-card strong {
  color: #9bb6ff;
  font-size: 25px;
}

.ds-metric-card span {
  color: #8394b1;
  font-size: 12px;
}

.ds-scenario-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.ds-scenario {
  padding: 9px 13px;
  border: 1px solid #dce5ff;
  border-radius: 5px;
  color: #2948be;
  background: #f5f8ff;
  font-size: 13px;
  font-weight: 700;
}

.ds-quote {
  margin: 22px 0;
  padding: 24px 28px;
  border-left: 4px solid var(--blue);
  color: #24304a;
  background: #f6f8fc;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.8;
}

.ds-quote small {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.ds-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 18px;
}

.ds-meta-grid div {
  padding: 13px;
  border: 1px solid #e5eaf2;
  border-radius: 6px;
  background: #fbfcfe;
}

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

.ds-meta-grid span {
  color: #8a96a8;
  font-size: 11px;
}

.ds-meta-grid strong {
  margin-top: 3px;
  font-size: 14px;
}

.inline-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 36px;
  padding: 22px;
  border-radius: 8px;
  color: var(--white);
  background: #081329;
}

.inline-cta strong,
.inline-cta span {
  display: block;
}

.inline-cta span {
  margin-top: 4px;
  color: #8fa0ba;
  font-size: 12px;
}

.solution-detail-hero {
  padding: 72px 0;
}

.solution-detail-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(310px, 0.75fr);
  align-items: end;
  gap: 46px;
}

.solution-detail-hero p {
  max-width: 840px;
  margin-top: 18px;
  color: #abb8ce;
}

.solution-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.solution-metrics div {
  padding: 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.09);
}

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

.solution-metrics strong,
.solution-metrics span {
  display: block;
}

.solution-metrics strong {
  color: #a7bdff;
  font-size: 22px;
}

.solution-metrics span {
  margin-top: 5px;
  color: #8695ae;
  font-size: 11px;
}

.section-solution-list {
  background: #f8fafc;
}

.solution-list-card {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) 180px;
  align-items: center;
  gap: 24px;
  padding: 30px;
  border: 1px solid #e3e9f2;
  border-radius: 8px;
  background: var(--white);
}

.solution-list-card + .solution-list-card {
  margin-top: 14px;
}

.solution-list-number {
  display: flex;
  width: 58px;
  height: 58px;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  color: var(--white);
  background: linear-gradient(135deg, #1d3bb3, #2e5fe3);
  font-size: 20px;
  font-weight: 900;
}

.solution-suitable {
  color: #8a97aa;
  font-size: 11px;
  font-weight: 800;
}

.solution-list-main > strong {
  display: block;
  margin-top: 2px;
  color: #4160c6;
  font-size: 12px;
}

.solution-list-main h2 {
  margin-top: 5px;
  font-size: 24px;
}

.solution-list-main p {
  max-width: 780px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

.custom-solution-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  margin-top: 30px;
  padding: 34px;
  border: 1px solid #dce4f5;
  border-radius: 9px;
  background: #eef3ff;
}

.custom-solution-band > div > span {
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
}

.custom-solution-band h2 {
  margin-top: 6px;
  font-size: 26px;
}

.custom-solution-band p {
  margin-top: 7px;
  color: var(--muted);
  font-size: 14px;
}

.page-hero-product {
  background:
    linear-gradient(100deg, rgba(4, 10, 28, 0.98), rgba(9, 21, 51, 0.9)),
    url("/dushi/images/product/data.jpg") center / cover no-repeat;
}

.product-anchor-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.product-anchor-nav a {
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  color: #aebbd0;
  background: rgba(255, 255, 255, 0.035);
  font-size: 12px;
}

.product-anchor-nav a:hover {
  border-color: #6b8df1;
  color: var(--white);
}

.product-catalog {
  background: #f8fafc;
}

.product-detail-card {
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(0, 1.15fr);
  overflow: hidden;
  border: 1px solid #e1e7f0;
  border-radius: 10px;
  background: var(--white);
}

.product-detail-card + .product-detail-card {
  margin-top: 20px;
}

.product-detail-card:nth-child(even) .product-detail-image {
  order: 2;
}

.product-detail-image {
  min-height: 330px;
  background: #edf3ff;
}

.product-detail-image img {
  width: 100%;
  height: 100%;
  min-height: 330px;
  object-fit: cover;
}

.product-detail-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 46px;
}

.product-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin-top: 8px;
}

.product-title-row h2 {
  font-size: 31px;
}

.product-title-row strong {
  color: #3451bf;
  font-size: 14px;
}

.product-detail-copy > p {
  max-width: 720px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
}

.tag-row-large span {
  padding: 6px 10px;
  font-size: 12px;
}

.product-detail-copy .btn {
  align-self: flex-start;
  margin-top: 26px;
}

.section-ai-scenes {
  background: var(--white);
}

.section-product-coop {
  background: #f8fafc;
}

.product-coop {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 60px;
}

.product-coop h2 {
  margin-top: 10px;
  font-size: 34px;
}

.product-coop p {
  margin-top: 14px;
  color: var(--muted);
}

.product-coop .btn {
  margin-top: 24px;
}

.coop-points {
  display: grid;
  gap: 12px;
}

.coop-points div {
  padding: 20px 22px;
  border: 1px solid #e1e7f0;
  border-radius: 7px;
  background: var(--white);
}

.coop-points strong,
.coop-points span {
  display: block;
}

.coop-points strong {
  color: #1e2d4d;
  font-size: 16px;
}

.coop-points span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.case-catalog {
  background: #f8fafc;
}

.case-catalog > .container {
  max-width: 1216px;
}

.case-detail-card {
  overflow: hidden;
  border: 1px solid #e1e7f0;
  border-radius: 10px;
  background: var(--white);
}

.case-detail-card + .case-detail-card {
  margin-top: 28px;
}

.case-detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 28px;
  color: var(--white);
  background:
    linear-gradient(100deg, rgba(6, 14, 34, 0.98), rgba(12, 29, 67, 0.9)),
    url("/dushi/images/hero-main.jpg") center / cover no-repeat;
}

.case-detail-head > div {
  max-width: 760px;
}

.case-index {
  color: #6f97ff;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.case-detail-head h2 {
  margin-top: 6px;
  font-size: 20px;
  line-height: 1.4;
}

.case-company {
  display: flex;
  flex-shrink: 0;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  color: #8f9bb0;
  font-size: 12px;
  text-align: right;
}

.case-company span:first-child {
  color: #d5dce8;
  font-weight: 700;
}

.case-company span + span::before {
  content: "";
}

.case-rich-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  padding: 0;
}

.case-rich-content > .ds-meta-grid {
  display: none;
}

.case-rich-content > .ds-detail-block {
  margin: 0;
}

.case-rich-content > .ds-detail-block:nth-of-type(1) {
  grid-column: 1;
  grid-row: 1;
  padding: 28px 28px 0;
}

.case-rich-content > .ds-detail-block:nth-of-type(2) {
  grid-column: 1;
  grid-row: 2;
  padding: 24px 28px 0;
}

.case-rich-content > .ds-detail-block:nth-of-type(3) {
  display: flex;
  grid-column: 2;
  grid-row: 1 / span 3;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
  padding: 28px 26px;
  border-left: 1px solid #edf1f6;
  background: #f8fafc;
}

.case-rich-content > .ds-detail-block > h2 {
  display: none;
}

.case-rich-content > .ds-detail-block > .ds-kicker {
  font-size: 14px;
  font-weight: 700;
  color: #1e293b;
  letter-spacing: 0;
}

.case-rich-content > .ds-detail-block:nth-of-type(1) > .ds-kicker::before {
  background: #f16d72;
}

.case-rich-content > .ds-detail-block > p {
  margin-top: 10px;
  color: #526075;
  font-size: 14px;
  line-height: 1.8;
}

.case-rich-content > .ds-quote {
  position: relative;
  grid-column: 1;
  grid-row: 3;
  margin: 24px 28px 28px;
  padding: 18px 20px 16px;
  border: 0;
  border-radius: 8px;
  color: #526075;
  background: #f8fafc;
  font-size: 14px;
  font-style: italic;
  font-weight: 400;
  line-height: 1.75;
}

.case-rich-content > .ds-quote::before {
  position: absolute;
  top: -19px;
  left: 17px;
  content: "“";
  color: #3451d3;
  background: #f8fafc;
  font-family: Georgia, serif;
  font-size: 38px;
  font-style: normal;
  font-weight: 700;
  line-height: 1;
}

.case-rich-content > .ds-quote small {
  margin-top: 8px;
  color: #8b97aa;
  font-size: 12px;
  font-style: normal;
}

.case-rich-content > .ds-detail-block:nth-of-type(3) > .ds-kicker {
  color: #2847c7;
  font-size: 12px;
  letter-spacing: 0.1em;
}

.case-rich-content > .ds-detail-block:nth-of-type(3) > .ds-kicker::before {
  display: none;
}

.case-rich-content > .ds-detail-block:nth-of-type(3) .ds-metric-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.case-rich-content > .ds-detail-block:nth-of-type(3) .ds-metric-card {
  padding: 0 0 0 16px;
  border: 0;
  border-left: 2px solid #3451d3;
}

.case-rich-content > .ds-detail-block:nth-of-type(3) .ds-metric-card strong {
  color: #0e1729;
  font-size: 26px;
  line-height: 1.2;
}

.case-rich-content > .ds-detail-block:nth-of-type(3) .ds-metric-card span {
  margin-top: 2px;
  color: #64748b;
  font-size: 12px;
}

.news-list-section {
  background: #f8fafc;
}

.news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.news-filter button {
  padding: 8px 15px;
  border: 1px solid #dfe6f0;
  border-radius: 4px;
  color: #536174;
  background: var(--white);
  cursor: pointer;
  font-size: 13px;
}

.news-filter button:hover,
.news-filter button.active {
  border-color: #3451d3;
  color: var(--white);
  background: #3451d3;
}

.news-count {
  margin-bottom: 18px;
  color: #8a96a8;
  font-size: 13px;
}

.news-count strong {
  color: #334155;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.news-list-item {
  overflow: hidden;
  border: 1px solid #e2e8f0;
  border-radius: 7px;
  background: var(--white);
}

.news-list-item.is-hidden {
  display: none;
}

.news-list-item a {
  display: flex;
  min-height: 205px;
  flex-direction: column;
  padding: 24px;
}

.news-list-item h2 {
  margin-top: 12px;
  font-size: 20px;
  line-height: 1.55;
}

.news-list-item p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.news-list-item .card-link {
  margin-top: auto;
  padding-top: 16px;
}

.news-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

.article-section {
  padding: 56px 0 84px;
  background: #f8fafc;
}

.article-container {
  max-width: 940px;
}

.article-back {
  display: inline-block;
  color: #64748b;
  font-size: 13px;
}

.article-back:hover {
  color: var(--blue);
}

.article-header {
  padding: 34px 0 26px;
}

.article-header h1 {
  margin-top: 17px;
  font-size: 40px;
  line-height: 1.35;
}

.article-summary {
  margin-top: 20px;
  padding: 16px 20px;
  border-left: 3px solid var(--blue);
  color: #5a6578;
  background: #f0f4ff;
  font-size: 15px;
}

.article-content {
  padding: 36px 42px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: var(--white);
}

.article-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 22px;
  padding: 26px 30px;
  border-radius: 8px;
  color: var(--white);
  background: #071329;
}

.article-cta h2 {
  font-size: 20px;
}

.article-cta p {
  margin-top: 4px;
  color: #8fa0ba;
  font-size: 12px;
}

.article-next {
  display: block;
  margin-top: 18px;
  padding: 22px 24px;
  border: 1px solid #e2e8f0;
  border-radius: 7px;
  background: var(--white);
}

.article-next span,
.article-next strong {
  display: block;
}

.article-next span {
  color: #93a0b3;
  font-size: 11px;
}

.article-next strong {
  margin-top: 4px;
  font-size: 16px;
}

.about-hero {
  min-height: 390px;
  padding-top: 92px;
  background:
    linear-gradient(100deg, rgba(4, 10, 28, 0.98), rgba(9, 21, 51, 0.86)),
    url("/dushi/images/scene-office.jpg") center / cover no-repeat;
}

.about-content-section {
  background: var(--white);
}

.about-rich-content {
  max-width: 1120px;
  margin: 0 auto;
}

.about-rich-content > h2 {
  font-size: 34px;
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 46px;
  margin-top: 34px;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.about-highlights div {
  padding: 20px;
  border: 1px solid #e2e8f0;
  border-radius: 7px;
  background: #f8fafc;
}

.about-highlights strong,
.about-highlights span {
  display: block;
}

.about-highlights strong {
  color: #1d3db8;
  font-size: 24px;
}

.about-highlights span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.ds-timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 22px;
}

.ds-timeline-item {
  padding: 22px;
  border: 1px solid #e2e8f0;
  border-radius: 7px;
  background: #fbfcfe;
}

.ds-timeline-item b,
.ds-timeline-item strong,
.ds-timeline-item span {
  display: block;
}

.ds-timeline-item b {
  color: var(--blue);
  font-size: 22px;
}

.ds-timeline-item strong {
  margin-top: 8px;
  font-size: 16px;
}

.ds-timeline-item span {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.ds-strength-grid {
  grid-template-columns: repeat(3, 1fr);
  margin-top: 22px;
}

.ds-strength-card {
  min-height: 135px;
  padding: 22px;
  border: 1px solid #e2e8f0;
  border-radius: 7px;
  background: #f8fafc;
}

.ds-strength-card strong {
  display: block;
  color: #1d3db8;
  font-size: 18px;
}

.ds-strength-card span {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 13px;
}

.contact-section {
  background: #071329;
  color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 60px;
}

.contact-section .section-kicker {
  color: #7a9bff;
}

.contact-section .section-kicker i {
  background: #7a9bff;
}

.contact-section h2 {
  font-size: 34px;
}

.contact-section > .container > div > p:not(.section-kicker) {
  margin-top: 12px;
  color: #90a0b8;
}

.contact-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.contact-cards > * {
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.035);
}

.contact-cards > *:last-child {
  grid-column: span 2;
}

.contact-cards span,
.contact-cards strong,
.contact-cards small {
  display: block;
}

.contact-cards span {
  color: #788aa6;
  font-size: 11px;
}

.contact-cards strong {
  margin-top: 7px;
  color: #dce7ff;
  font-size: 17px;
}

.contact-cards small {
  margin-top: 4px;
  color: #74849e;
  font-size: 11px;
}

.not-found {
  padding: 100px 0;
  text-align: center;
}

.not-found > .container > span {
  color: #dce4f6;
  font-size: 100px;
  font-weight: 900;
  line-height: 1;
}

.not-found h1 {
  margin-top: 14px;
  font-size: 38px;
}

.not-found p {
  margin-top: 10px;
  color: var(--muted);
}

.not-found .btn {
  margin-top: 26px;
}

@media (max-width: 1180px) {
  .header-inner {
    grid-template-columns: 170px 1fr 170px;
    gap: 12px;
  }

  .nav-link {
    padding: 0 10px;
    font-size: 14px;
  }

  .header-cta {
    padding: 0 14px;
    font-size: 14px;
  }

  .hero h1 {
    font-size: 43px;
  }

  .hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 30px;
  }

  .footer-grid {
    grid-template-columns: 1.3fr 0.8fr 0.9fr 1fr;
    gap: 30px;
  }

  .solution-list-card {
    grid-template-columns: 66px minmax(0, 1fr);
  }

  .solution-list-card > .btn {
    grid-column: 2;
    justify-self: start;
  }

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

@media (max-width: 980px) {
  .container {
    width: min(var(--container), calc(100% - 32px));
  }

  .topbar-actions .ai-brand-link {
    display: none;
  }

  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .nav-toggle {
    display: block;
  }

  .header-cta {
    display: none;
  }

  .main-nav {
    position: fixed;
    z-index: 100;
    inset: 120px 16px auto;
    display: none;
    max-height: calc(100vh - 140px);
    align-items: stretch;
    justify-content: flex-start;
    overflow: auto;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    background: var(--white);
    box-shadow: 0 24px 60px rgba(15, 23, 42, 0.22);
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
  }

  .nav-dropdown {
    display: flex;
    flex-direction: column;
  }

  .nav-link {
    min-height: 48px;
    justify-content: space-between;
  }

  .dropdown-panel {
    position: static;
    display: none;
    width: auto;
    padding: 4px 0 8px 12px;
    border: 0;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .nav-dropdown.open .dropdown-panel {
    display: grid;
  }

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

  .hero-inner {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 34px;
  }

  .hero-visual {
    max-width: 760px;
  }

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

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

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

  .onsite-grid figure:last-child,
  .case-preview-card:last-child {
    grid-column: span 2;
  }

  .detail-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 20px;
  }

  .detail-content {
    padding: 30px;
  }

  .solution-detail-hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .product-detail-card:nth-child(even) .product-detail-image {
    order: 0;
  }

  .product-detail-image,
  .product-detail-image img {
    min-height: 260px;
    max-height: 400px;
  }

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

  .case-rich-content > .ds-detail-block:nth-of-type(1),
  .case-rich-content > .ds-detail-block:nth-of-type(2),
  .case-rich-content > .ds-quote,
  .case-rich-content > .ds-detail-block:nth-of-type(3) {
    grid-column: 1;
    grid-row: auto;
  }

  .case-rich-content > .ds-detail-block:nth-of-type(3) {
    border-top: 1px solid #edf1f6;
    border-left: 0;
  }

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

  .contact-grid,
  .product-coop,
  .about-intro-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

  .container {
    width: calc(100% - 28px);
  }

  .topbar-inner {
    min-height: 38px;
    justify-content: center;
  }

  .topbar-slogan {
    overflow: hidden;
    font-size: 12px;
    text-overflow: ellipsis;
  }

  .topbar-actions {
    display: none;
  }

  .header-inner {
    min-height: 72px;
  }

  .brand img {
    height: 38px;
  }

  .main-nav {
    inset: 110px 14px auto;
  }

  .hero {
    padding-top: 40px;
  }

  .hero-copy {
    padding-bottom: 28px;
  }

  .hero h1 {
    margin-top: 20px;
    font-size: 36px;
    line-height: 1.25;
  }

  .hero-copy > p {
    font-size: 15px;
  }

  .hero-visual {
    padding-bottom: 32px;
  }

  .hero-image-wrap > img {
    min-height: 210px;
  }

  .hero-float-top {
    top: 16px;
    right: -5px;
  }

  .hero-float-bottom {
    bottom: 16px;
    left: -5px;
  }

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

  .hero-stats > div:nth-child(2) {
    border-right: 0;
  }

  .hero-stats > div:nth-child(-n + 2) {
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .hero-stats > div {
    padding: 16px;
  }

  .hero-stats strong {
    font-size: 24px;
  }

  .tech-strip-inner {
    min-height: 56px;
    justify-content: flex-start;
    gap: 8px 16px;
    font-size: 12px;
  }

  .section {
    padding: 58px 0;
  }

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

  .section-head h2,
  .custom-solution-band h2,
  .contact-section h2,
  .product-coop h2 {
    font-size: 27px;
  }

  .section-head .text-link {
    margin-top: 16px;
  }

  .service-grid,
  .solution-grid,
  .product-grid,
  .service-list-grid,
  .process-grid,
  .process-grid-four,
  .commitment-grid,
  .onsite-grid,
  .case-preview-grid,
  .news-preview-grid,
  .news-list,
  .footer-grid,
  .contact-cards,
  .ds-pain-grid,
  .ds-module-grid,
  .ds-step-grid,
  .ds-metric-grid,
  .ds-meta-grid,
  .ds-strength-grid,
  .ds-timeline,
  .about-highlights {
    grid-template-columns: 1fr;
  }

  .onsite-grid figure:last-child,
  .case-preview-card:last-child,
  .contact-cards > *:last-child {
    grid-column: auto;
  }

  .news-preview-card:first-child {
    grid-row: auto;
    min-height: 220px;
    padding: 24px;
  }

  .news-preview-card:first-child h3 {
    font-size: 21px;
  }

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

  .process-card {
    min-height: 150px;
  }

  .cta-band {
    padding: 34px 0;
  }

  .cta-band-inner,
  .article-cta {
    align-items: flex-start;
    flex-direction: column;
  }

  .cta-band h2 {
    font-size: 24px;
  }

  .footer-grid {
    gap: 30px;
    padding-top: 46px;
    padding-bottom: 34px;
  }

  .footer-column {
    gap: 7px;
  }

  .footer-bottom-inner {
    padding: 14px 0;
  }

  .backtop {
    right: 16px;
    bottom: 84px;
  }

  .page-hero,
  .detail-hero,
  .solution-detail-hero,
  .about-hero {
    padding: 46px 0;
  }

  .page-hero h1,
  .detail-hero h1,
  .solution-detail-hero h1,
  .about-hero h1 {
    font-size: 32px;
  }

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

  .detail-sidebar {
    position: static;
  }

  .detail-content {
    padding: 24px 20px;
  }

  .rich-content h2 {
    font-size: 23px;
  }

  .rich-content h3 {
    font-size: 19px;
  }

  .ds-detail-block > h2 {
    font-size: 24px;
  }

  .ds-metric-card {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .ds-metric-card:last-child {
    border-bottom: 0;
  }

  .inline-cta,
  .custom-solution-band {
    align-items: flex-start;
    flex-direction: column;
  }

  .solution-list-card {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 24px;
  }

  .solution-list-card > .btn {
    grid-column: auto;
  }

  .solution-list-number {
    width: 44px;
    height: 44px;
    font-size: 16px;
  }

  .product-detail-copy {
    padding: 28px 22px;
  }

  .product-title-row h2 {
    font-size: 26px;
  }

  .case-detail-head {
    align-items: flex-start;
    flex-direction: column;
    padding: 22px 20px;
  }

  .case-detail-head h2 {
    font-size: 18px;
  }

  .case-company {
    align-items: flex-start;
    text-align: left;
  }

  .case-rich-content {
    padding: 0;
  }

  .case-rich-content > .ds-detail-block:nth-of-type(1) {
    padding: 24px 20px 0;
  }

  .case-rich-content > .ds-detail-block:nth-of-type(2) {
    padding: 22px 20px 0;
  }

  .case-rich-content > .ds-quote {
    margin: 22px 20px;
  }

  .case-rich-content > .ds-detail-block:nth-of-type(3) {
    padding: 24px 20px;
  }

  .article-section {
    padding: 34px 0 60px;
  }

  .article-header h1 {
    font-size: 31px;
  }

  .article-content {
    padding: 24px 20px;
  }

  .about-rich-content > h2 {
    font-size: 28px;
  }

  .not-found > .container > span {
    font-size: 74px;
  }

  .not-found h1 {
    font-size: 29px;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 32px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

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

  .eyebrow-pill {
    font-size: 11px;
  }

  .hero-float {
    font-size: 11px;
  }

  .section-head h2,
  .custom-solution-band h2,
  .contact-section h2,
  .product-coop h2 {
    font-size: 24px;
  }

  .solution-detail-hero-grid {
    gap: 20px;
  }

  .solution-metrics {
    grid-template-columns: 1fr;
  }

  .solution-metrics div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  }

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