:root {
  --red: #d7222a;
  --red-light: #F76246;
  --red-dark: #9f151d;
  --blue: #1E50E2;
  --blue-light: #4D7EF7;
  --blue-dark: #1238B0;
  --navy: #061233;
  --navy-mid: #0D1F52;
  --cyan: #18c8ff;
  --ink: #111827;
  --muted: #667085;
  --line: rgba(17, 24, 39, 0.1);
  --glass: rgba(255, 255, 255, 0.10);
  --glass-strong: rgba(255, 255, 255, 0.18);
  --dark: #061233;
  --shell: 144rem;
}

* {
  box-sizing: border-box;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 1.6rem;
  line-height: 1.7;
  letter-spacing: 0;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.page-shell {
  width: min(calc(100% - 4.8rem), var(--shell));
  margin: 0 auto;
}

.site-header {
  position: fixed;
  top: 1.6rem;
  left: 0;
  right: 0;
  z-index: 50;
  pointer-events: auto;
}

.header-inner {
  width: min(calc(100% - 4.8rem), var(--shell));
  margin: 0 auto;
  min-height: 7.2rem;
  display: flex;
  align-items: center;
  gap: 1.6rem;
  padding: 1rem 1.4rem 1rem 2rem;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 2.4rem;
  background: rgba(5, 6, 7, 0.72);
  box-shadow: 0 2.4rem 8rem rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(2.4rem);
  -webkit-backdrop-filter: blur(2.4rem);
  pointer-events: auto;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.site-header.scrolled .header-inner {
  color: #fff;
  background: rgba(5, 6, 7, 0.96);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 2.4rem 8rem rgba(0, 0, 0, 0.42);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 1.2rem;
  flex: 0 0 auto;
}

.brand-logo {
  width: 4.4rem;
  height: 4.4rem;
  object-fit: contain;
  border-radius: 1.4rem;
  box-shadow: 0 1.2rem 3rem rgba(30, 80, 226, 0.22);
  flex: 0 0 auto;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
  color: transparent;
  background-image: linear-gradient(
    100deg,
    #e8ebf0 0%,
    #ffffff 30%,
    #ff7b82 42%,
    #ffb36b 50%,
    #69d9ff 58%,
    #718cff 66%,
    #ffffff 78%,
    #e8ebf0 100%
  );
  background-size: 300% 100%;
  background-position: 100% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  animation: brandTextShimmer 5.5s linear infinite;
  filter: drop-shadow(0 0 0.7rem rgba(105, 217, 255, 0.14));
}

.brand strong {
  font-size: 1.8rem;
}

.brand small {
  margin-top: 0.4rem;
  opacity: 0.78;
  font-size: 1.1rem;
}

@keyframes brandTextShimmer {
  from { background-position: 100% 50%; }
  to { background-position: -200% 50%; }
}

@media (prefers-reduced-motion: reduce) {
  .brand strong,
  .brand small {
    background-position: 50% 50%;
    animation: none;
  }
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  flex: 1;
}

.site-nav a,
.nav-trigger {
  position: relative;
  padding: 1rem 1.05rem;
  border-radius: 99rem;
  font-size: 1.5rem;
  color: currentColor;
  font-weight: 400;
  opacity: 1;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.nav-services {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.site-nav > a::after,
.site-nav .nav-services::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 0.34rem;
  width: 2.8rem;
  height: 0.28rem;
  border-radius: 999rem;
  background: rgba(148, 163, 184, 0.28);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(1.2rem);
  -webkit-backdrop-filter: blur(1.2rem);
  opacity: 0;
  transform: translateX(-50%) scaleX(0);
  transform-origin: left center;
}

.site-nav > a:hover,
.site-nav .nav-services:hover,
.nav-mega:hover .nav-services,
.nav-mega.open .nav-services,
.nav-services:focus {
  color: var(--red);
  font-weight: 900;
  opacity: 1;
}

.site-nav > a:hover::after,
.site-nav .nav-services:hover::after,
.nav-mega:hover .nav-services::after,
.nav-mega.open .nav-services::after,
.nav-services:focus::after {
  opacity: 1;
  animation: navIndicatorProgress 1.5s linear forwards;
}

@keyframes navIndicatorProgress {
  from {
    transform: translateX(-50%) scaleX(0);
  }
  to {
    transform: translateX(-50%) scaleX(1);
  }
}

.site-nav > a[aria-current="page"],
.site-nav .nav-services[aria-current="page"],
.site-nav > a.is-current,
.site-nav .nav-services.is-current {
  color: var(--red);
  font-weight: 900;
  opacity: 1;
}

.site-nav > a[aria-current="page"]::before,
.site-nav .nav-services[aria-current="page"]::before,
.site-nav > a.is-current::before,
.site-nav .nav-services.is-current::before {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0.42rem;
  width: 2.6rem;
  height: 0.28rem;
  border-radius: 999rem;
  background: var(--red);
  transform: translateX(-50%);
}

.nav-item {
  display: flex;
  align-items: center;
}

.nav-mega {
  position: static;
}

.solution-mega {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 50%;
  width: min(calc(100vw - 4.8rem), var(--shell));
  color: #fff;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, 1.4rem);
  transition: opacity 0.22s ease, visibility 0.22s ease, transform 0.22s ease;
}

.solution-mega::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  height: 0.8rem;
  pointer-events: none;
}

.nav-mega.open .solution-mega {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.mega-shell {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 3rem;
  padding: 3rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 2.4rem;
  background: rgba(5, 6, 7, 0.96);
  box-shadow: 0 2.4rem 8rem rgba(0, 0, 0, 0.56);
  backdrop-filter: blur(2.4rem);
  -webkit-backdrop-filter: blur(2.4rem);
}

.mega-column {
  min-width: 0;
}

.mega-column h3 {
  margin: 0 0 1.6rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.55);
  font-size: 1.6rem;
  font-weight: 700;
}

.mega-column h3 a {
  display: inline-flex;
  color: inherit;
  transition: color 0.2s ease;
}

.mega-column h3 a:hover {
  color: #fff;
}

.site-nav .mega-card {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr);
  gap: 1.2rem;
  align-items: center;
  margin: 0.2rem 0;
  padding: 1rem;
  border-radius: 1.6rem;
  color: #fff;
  opacity: 1;
  transition: background 0.2s ease, transform 0.2s ease;
}

.site-nav .mega-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(0.4rem);
}

.mega-icon {
  width: 4.2rem;
  height: 4.2rem;
  display: grid;
  place-items: center;
  border-radius: 1.2rem;
  color: #fff;
  box-shadow: 0 1rem 2.4rem rgba(17, 24, 39, 0.12);
}

.mega-icon svg {
  width: 2.1rem;
  height: 2.1rem;
}

.mega-card strong,
.mega-card em {
  display: block;
  min-width: 0;
}

.mega-card strong {
  color: #fff;
  font-size: 1.55rem;
  line-height: 1.25;
}

.mega-card em {
  margin-top: 0.3rem;
  color: rgba(255, 255, 255, 0.52);
  font-size: 1.25rem;
  font-style: normal;
  line-height: 1.45;
}

.tone-red {
  background: linear-gradient(135deg, #ff4d4f, #ff7a45);
}

.tone-blue {
  background: linear-gradient(135deg, #1677ff, #5c7cfa);
}

.tone-orange {
  background: linear-gradient(135deg, #ff8a34, #ffbe3d);
}

.tone-cyan {
  background: linear-gradient(135deg, #18c8ff, #13c2c2);
}

.tone-green {
  background: linear-gradient(135deg, #25c685, #38d9a9);
}

.tone-purple {
  background: linear-gradient(135deg, #6c63ff, #9b72ff);
}

.tone-yellow {
  background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

.header-phone,
.header-service {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 1.1rem 2rem;
  border-radius: 99rem;
  color: #fff;
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: 0.02em;
  box-shadow:
    0 0.1rem 0 0 rgba(255,255,255,0.675) inset,
    0 -0.15rem 0 0 rgba(0,0,0,0.375) inset,
    0 2px 1px rgba(0, 0, 0, 0.10);
  position: relative;
  overflow: hidden;
  top: 0;
}

.header-phone svg,
.header-service svg {
  position: relative;
  z-index: 1;
  width: 1.7rem;
  height: 1.7rem;
  flex: 0 0 auto;
}

.header-phone span,
.header-service span {
  position: relative;
  z-index: 1;
  white-space: nowrap;
}

.header-phone {
  background: linear-gradient(180deg, #ef3b3b 0%, #c91c23 55%, #a8141a 100%);
  border: 1px solid rgba(90, 0, 5, 0.28);
  box-shadow:
    0 0.1rem 0 0 rgba(255,255,255,0.675) inset,
    0 -0.15rem 0 0 rgba(0,0,0,0.375) inset,
    0 1px 0 0 #7a0c10,
    0 2px 1px rgba(0, 0, 0, 0.10);
}

.header-service {
  background: linear-gradient(180deg, var(--blue-light) 0%, var(--blue) 55%, var(--blue-dark) 100%);
  border: 1px solid rgba(18, 56, 176, 0.38);
  box-shadow:
    0 0.1rem 0 0 rgba(255,255,255,0.675) inset,
    0 -0.15rem 0 0 rgba(0,0,0,0.375) inset,
    0 1px 0 0 rgba(18, 56, 176, 0.86),
    0 2px 1px rgba(0, 0, 0, 0.10);
}

.header-phone::after,
.header-service::after {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 55%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.30) 50%,
    transparent 100%
  );
  transform: skewX(-18deg);
  pointer-events: none;
}
.header-phone:hover::after,
.header-service:hover::after {
  animation: btnSweep 0.85s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.header-phone:hover,
.header-service:hover {
  /* hover: light sweep only — handled by ::after */
}

.header-phone:active,
.header-service:active {
  transform: translateY(2px);
}

.header-phone:active {
  box-shadow:
    0 0.2rem 0 0 rgba(255,255,255,0.22) inset,
    0 -0.15rem 0 0 rgba(0,0,0,0.18) inset,
    0 0.1rem 0 rgba(120, 10, 14, 0.5),
    0 0.3rem 0.8rem rgba(180, 20, 28, 0.3);
}

.header-service:active {
  box-shadow:
    0 0.2rem 0 0 rgba(255,255,255,0.22) inset,
    0 -0.15rem 0 0 rgba(0,0,0,0.18) inset,
    0 0.1rem 0 rgba(18, 56, 176, 0.55),
    0 0.3rem 0.8rem rgba(30, 80, 226, 0.32);
}

.mobile-header-tools {
  display: none;
}

.mobile-header-action,
.mobile-header-tools .menu-btn {
  min-width: 5.4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0 0.95rem;
  border: 0;
  border-radius: 0;
  color: rgba(255, 255, 255, 0.9);
  background: transparent;
  font-size: 1.26rem;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.mobile-header-action svg,
.mobile-header-tools .menu-btn svg {
  width: 1.75rem;
  height: 1.75rem;
  flex: 0 0 auto;
}

.menu-btn {
  display: none;
  width: 4.4rem;
  height: 4.4rem;
  border: 0;
  border-radius: 1.4rem;
  color: currentColor;
  background: rgba(255, 255, 255, 0.14);
}

.menu-btn svg,
.btn svg,
.service-body > svg,
.feature-card svg {
  width: 2rem;
  height: 2rem;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  color: #fff;
  background: var(--dark);
}

.hero-slider,
.hero-slide,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-slider {
  overflow: hidden;
}

.hero-slide {
  opacity: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  transform: scale(1.02);
  transition: opacity 0.7s ease, transform 5.5s ease;
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1.06);
}

.hero-shade {
  background:
    radial-gradient(circle at 18% 24%, rgba(215, 34, 42, 0.38), transparent 24%),
    radial-gradient(circle at 70% 16%, rgba(24, 200, 255, 0.24), transparent 28%),
    linear-gradient(180deg, transparent 0%, rgba(8, 11, 18, 0.72) 100%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(32rem, 0.48fr);
  gap: 5.6rem;
  padding: 16rem 0 5rem;
  align-content: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 1.6rem;
  color: var(--blue);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: 0;
}

.section-dark .eyebrow,
.contact-section .eyebrow,
.hero .eyebrow {
  color: var(--blue-light);
}

.eyebrow::before {
  content: "";
  width: 3.2rem;
  height: 0.2rem;
  border-radius: 99rem;
  background: currentColor;
}

.hero h1,
.section h2,
.contact-card h2 {
  margin: 0;
  line-height: 1.08;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 80rem;
  font-size: clamp(4.4rem, 6vw, 6.6rem);
}

.hero-copy {
  padding-top: 4.2rem;
}

[data-hero-title],
[data-hero-text] {
  transition: opacity 0.38s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-text-exit {
  opacity: 0 !important;
  transform: translateY(-1.4rem) !important;
}

.hero-text-enter {
  opacity: 0 !important;
  transform: translateY(1.6rem) !important;
  transition: none !important;
}

.hero-key {
  color: var(--blue-light);
  text-shadow: 0 1.2rem 3.4rem rgba(30, 80, 226, 0.36);
}

.hero-copy p {
  max-width: 66rem;
  margin: 2.4rem 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.8rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.4rem;
  margin-top: 3.2rem;
}

.hero-actions .btn {
  min-width: 16.8rem;
}

.hero-actions .btn-ghost {
  color: var(--blue);
  border-color: rgba(255, 255, 255, 0.9);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 1.2rem 3rem rgba(0, 0, 0, 0.12);
  transition: color 0.22s ease, background 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.hero-actions .btn-ghost:hover {
  color: #fff;
  border-color: var(--blue);
  background: linear-gradient(180deg, var(--blue-light) 0%, var(--blue) 55%, var(--blue-dark) 100%);
  box-shadow:
    0 0.2rem 0 0 rgba(255, 255, 255, 0.22) inset,
    0 -0.15rem 0 0 rgba(0, 0, 0, 0.18) inset,
    0 0.4rem 0 rgba(18, 56, 176, 0.55),
    0 0.8rem 2rem rgba(30, 80, 226, 0.38);
}

.hero-advantage-card {
  width: min(62rem, 100%);
  margin-top: 3.2rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 1.6rem;
  color: #101828;
  background:
    linear-gradient(90deg, rgba(30, 80, 226, 0.07), rgba(30, 80, 226, 0.04)),
    rgba(255, 255, 255, 0.94);
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(1.6rem);
  -webkit-backdrop-filter: blur(1.6rem);
}

.hero-insight {
  position: relative;
  padding: 1.8rem 2.2rem 1.6rem;
  border-bottom: 1px solid rgba(16, 24, 40, 0.08);
}

.hero-insight::before {
  content: "";
  position: absolute;
  right: 2.2rem;
  bottom: 0;
  width: 10rem;
  height: 0.3rem;
  border-radius: 99rem;
  background: linear-gradient(90deg, transparent, var(--blue-light), var(--cyan));
}

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

.hero-insight strong {
  color: #111827;
  font-size: 2rem;
  line-height: 1.35;
}

.hero-insight span {
  margin-top: 0.6rem;
  color: #667085;
  font-size: 1.45rem;
  line-height: 1.65;
}

.hero-advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding: 1.2rem 1.6rem;
}

.hero-advantage-grid div {
  display: grid;
  grid-template-columns: 3.6rem minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: center;
  gap: 0 1rem;
  min-width: 0;
  padding: 1rem 1.2rem;
}

.hero-advantage-grid div + div {
  border-left: 1px solid rgba(16, 24, 40, 0.08);
}

.hero-advantage-grid span {
  grid-row: 1 / span 2;
  width: 3.6rem;
  height: 3.6rem;
  display: grid;
  place-items: center;
  border-radius: 1rem;
  color: #111827;
  background: #f7f9fc;
}

.hero-advantage-grid svg {
  width: 2rem;
  height: 2rem;
}

.hero-advantage-grid strong,
.hero-advantage-grid em {
  display: block;
  min-width: 0;
  line-height: 1.25;
}

.hero-advantage-grid strong {
  color: #111827;
  font-size: 1.8rem;
}

.hero-advantage-grid em {
  margin-top: 0.2rem;
  color: #667085;
  font-size: 1.3rem;
  font-style: normal;
}

.hero-indicators {
  position: absolute;
  left: 50%;
  bottom: 3.2rem;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.2rem;
  width: max-content;
  max-width: 100%;
  margin: 0;
  padding: 1.2rem 2rem;
   
  border-radius: 0.4rem;
  
  -webkit-backdrop-filter: blur(1.2rem);
  pointer-events: auto;
  transform: translateX(-50%);
}

.hero-indicators span {
  position: relative;
  display: block;
  width: 5rem;
  height: 0.4rem;
  overflow: hidden;
  border-radius: 99rem;
  color: transparent;
  cursor: pointer;
  font-size: 0;
  line-height: 0;
  text-indent: -999rem;
  background: rgba(148, 163, 184, 0.28);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  transition: width 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.hero-indicators span::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(248, 250, 252, 0.95), rgba(203, 213, 225, 0.98), rgba(255, 255, 255, 0.86));
  box-shadow: 0 0 1.6rem rgba(226, 232, 240, 0.28);
  transform: scaleX(0);
  transform-origin: left center;
}

.hero-indicators span.active {
  width: 5.6rem;
  background: rgba(71, 85, 105, 0.38);
  box-shadow: 0 0.6rem 1.8rem rgba(15, 23, 42, 0.28);
}

.hero-indicators span.active::after {
  animation: heroIndicatorProgress 5.2s linear forwards;
}

@keyframes heroIndicatorProgress {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-indicators span.active::after {
    animation: none;
    transform: scaleX(1);
  }

  .trust-grid div::before {
    transition: none;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.9rem;
  min-height: 5.2rem;
  padding: 1.2rem 2rem;
  border: 0;
  border-radius: 99rem;
  cursor: pointer;
  font-weight: 800;
  position: relative;
  overflow: hidden;
  top: 0;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

/* Light-sweep shimmer — runs once on hover */
.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: -120%;
  width: 55%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.30) 50%,
    transparent 100%
  );
  transform: skewX(-18deg);
  pointer-events: none;
}
.btn:hover::after {
  animation: btnSweep 0.85s ease forwards;
}
@keyframes btnSweep {
  from { left: -80%; }
  to   { left: 130%; }
}

.btn:active { transform: translateY(3px); }

/* ── Primary (red 3D) ────────────────────────────────── */
.btn-primary {
  color: #fff;
  background: linear-gradient(180deg, #f04040 0%, #cc1d24 52%, #a8141a 100%);
  /* 3D depth: sharp bottom edge = physical thickness, no diffuse blur */
  box-shadow:
    0 0.18rem 0 rgba(255, 255, 255, 0.20) inset,
    0 -0.12rem 0 rgba(0, 0, 0, 0.22) inset,
    0 1px 0 0 #7a0c10,
    0 2px 1px rgba(0, 0, 0, 0.10);
}

.btn-primary:hover {
  box-shadow:
    0 0.18rem 0 rgba(255, 255, 255, 0.20) inset,
    0 -0.12rem 0 rgba(0, 0, 0, 0.22) inset,
    0 1px 0 0 #7a0c10,
    0 2px 1px rgba(0, 0, 0, 0.10);
}

.btn-primary:active {
  transform: translateY(4px);
  box-shadow:
    0 0.18rem 0 rgba(255, 255, 255, 0.20) inset,
    0 -0.12rem 0 rgba(0, 0, 0, 0.22) inset,
    0 0px 0 0 #7a0c10,
    0 1px 1px rgba(0, 0, 0, 0.10);
}

.btn-ghost {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.32);
  background: linear-gradient(180deg, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0.08) 100%);
  backdrop-filter: blur(1.6rem);
  -webkit-backdrop-filter: blur(1.6rem);
  box-shadow:
    0 0.2rem 0 0 rgba(255,255,255,0.28) inset,
    0 -0.15rem 0 0 rgba(0,0,0,0.12) inset,
    0 0.4rem 0 rgba(0,0,0,0.18),
    0 0.8rem 2rem rgba(0,0,0,0.18);
}

.btn-ghost:hover {
  background: linear-gradient(180deg, rgba(255,255,255,0.26) 0%, rgba(255,255,255,0.12) 100%);
  box-shadow:
    0 0.2rem 0 0 rgba(255,255,255,0.28) inset,
    0 -0.15rem 0 0 rgba(0,0,0,0.12) inset,
    0 0.6rem 0 rgba(0,0,0,0.16),
    0 1.2rem 2.8rem rgba(0,0,0,0.22);
}

.btn-ghost:active {
  box-shadow:
    0 0.2rem 0 0 rgba(255,255,255,0.28) inset,
    0 -0.15rem 0 0 rgba(0,0,0,0.12) inset,
    0 0.1rem 0 rgba(0,0,0,0.18),
    0 0.3rem 0.8rem rgba(0,0,0,0.14);
}

.hero-panel {
  padding: 2.4rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 2.8rem;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 2.4rem 8rem rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(2rem);
  -webkit-backdrop-filter: blur(2rem);
}

.panel-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.6rem;
  margin-bottom: 1.8rem;
}

.panel-top span {
  color: rgba(255, 255, 255, 0.7);
}

.panel-top strong {
  color: #fff;
  font-size: 2rem;
}

.hero-metrics {
  display: grid;
  gap: 1rem;
}

.hero-metrics div {
  display: grid;
  grid-template-columns: 5.2rem 1fr;
  align-items: center;
  gap: 1.2rem;
  width: 100%;
  padding: 1.4rem;
  border: 1px solid transparent;
  border-radius: 1.8rem;
  color: inherit;
  text-align: left;
  background: rgba(255, 255, 255, 0.12);
}

.hero-metrics strong {
  color: var(--blue-light);
  font-size: 2.2rem;
}

.hero-metrics span {
  color: rgba(255, 255, 255, 0.84);
}

.hero-panel p {
  margin: 1.8rem 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.5rem;
}

.trust-strip {
  position: relative;
  z-index: 2;
  padding: 2.8rem 0 3.2rem;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.trust-grid div {
  position: relative;
  display: block;
  min-height: 11rem;
  padding: 2.4rem 3.2rem 2.4rem 8.8rem;
  border-right: 1px solid rgba(17, 24, 39, 0.09);
}

.trust-grid div:last-child {
  border-right: none;
}

.trust-grid div::before,
.trust-grid div::after {
  content: none;
}

.trust-grid div:hover::before,
.trust-grid div:hover::after {
  content: none;
}

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

.trust-icon {
  position: relative;
  z-index: 1;
  width: 5.2rem;
  height: 5.2rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(30, 80, 226, 0.16);
  border-radius: 1.6rem;
  color: var(--blue);
  background:
    linear-gradient(135deg, rgba(30, 80, 226, 0.12), rgba(30, 80, 226, 0.05)),
    rgba(255, 255, 255, 0.88);
  box-shadow: 0 1rem 2.6rem rgba(30, 80, 226, 0.12);
  transition: transform 0.22s ease, color 0.22s ease, box-shadow 0.22s ease;
}

.trust-icon svg {
  width: 2.6rem;
  height: 2.6rem;
}

.trust-grid div:hover .trust-icon {
  color: #fff;
  background: linear-gradient(180deg, #2D6BF4 0%, #1238B0 100%);
  box-shadow: 0 1.4rem 3rem rgba(30, 80, 226, 0.32);
  transform: translateY(-50%) rotate(-2deg);
}

.trust-grid strong {
  position: relative;
  z-index: 1;
  font-size: 1.8rem;
  line-height: 1.35;
  transition: color 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.trust-grid div:hover strong {
  color: var(--blue);
}

.trust-grid span {
  position: relative;
  z-index: 1;
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: 1.4rem;
  line-height: 1.65;
}

.trust-grid .trust-icon {
  position: absolute;
  left: 2rem;
  top: 50%;
  width: 5.2rem;
  height: 5.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0;
  color: var(--blue);
  font-size: 0;
  line-height: 1;
  transform: translateY(-50%);
}

.trust-grid .trust-icon svg {
  display: block;
  flex: 0 0 auto;
  width: 2.6rem;
  height: 2.6rem;
  margin: 0;
}

.section {
  padding: 6rem 0;
}

.section-light {
  background: #ffffff;
}

.service-projects-section {
  background: #EAF0FB;
}

.service-projects-head {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.service-projects-head .eyebrow {
  justify-content: center;
}

.service-projects-head .eyebrow::before {
  display: none;
}

.service-project-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
  max-width: 88rem;
  margin: 0 auto 3rem;
  padding: 0;
}

.service-project-tabs button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 4.8rem;
  padding: 0.8rem 1.6rem;
  border: 1px solid rgba(17, 24, 39, 0.10);
  border-radius: 6.6rem;
  color: #4B5563;
  background: rgba(255, 255, 255, 0.70);
  cursor: pointer;
  font-size: 1.45rem;
  font-weight: 600;
  backdrop-filter: blur(0.8rem);
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.service-project-tabs button:hover:not(.active) {
  color: var(--blue);
  border-color: rgba(30, 80, 226, 0.20);
  background: rgba(255, 255, 255, 0.92);
}

.service-project-tabs button svg {
  width: 1.6rem;
  height: 1.6rem;
  flex-shrink: 0;
}

.service-project-tabs button.active {
  color: #fff;
  background: linear-gradient(135deg, var(--blue-light), var(--blue));
  border-color: transparent;
}

.service-project-panel {
  display: none;
}

.service-project-panel.active {
  display: block;
}

.service-project-carousel-track {
  display: none;
}

.service-project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.service-project-grid-compact {
  max-width: 96rem;
  margin: 0 auto;
  grid-template-columns: repeat(3, 1fr);
}

.service-project-card {
  min-width: 0;
  padding: 2rem;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 0.8rem;
  background: #fff;
  box-shadow: 0 1.2rem 3rem rgba(17, 24, 39, 0.12);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.service-project-card:hover {
  transform: translateY(-0.4rem);
  box-shadow: 0 0.1rem 0.3rem rgba(17, 24, 39, 0.16);
}

.service-project-card-head {
  display: grid;
  grid-template-columns: 4.4rem 1fr;
  align-items: start;
  gap: 1.2rem;
  min-height: 7.4rem;
  padding-bottom: 1.6rem;
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
}

.service-project-card-head h3 {
  margin: 0;
  color: #101828;
  font-size: 1.8rem;
  line-height: 1.25;
}

.service-project-card-head p {
  margin: 0.5rem 0 0;
  color: #667085;
  font-size: 1.3rem;
  line-height: 1.5;
}

.service-project-icon {
  width: 4.4rem;
  height: 4.4rem;
  display: grid;
  place-items: center;
  border-radius: 0.4rem;
  color: #fff;
}

.service-project-icon svg {
  width: 2.2rem;
  height: 2.2rem;
}

.service-project-icon.red { background: #f04438; }
.service-project-icon.blue { background: #4f46e5; }
.service-project-icon.orange { background: #fb923c; }
.service-project-icon.green { background: #12b76a; }
.service-project-icon.purple { background: #7c3aed; }
.service-project-icon.cyan { background: #06aed4; }
.service-project-icon.yellow { background: #f59e0b; }

.service-project-visual {
  position: relative;
  min-height: 14.8rem;
  margin-top: 1.8rem;
  overflow: hidden;
  border-radius: 0.4rem;
  background: #eef3f9;
}

.service-project-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, transparent 44%, rgba(8, 11, 18, 0.42) 100%);
  pointer-events: none;
}

.service-project-visual::after {
  display: none;
}

.service-project-scope {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  max-width: calc(100% - 2rem);
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.scope-item {
  --scope-color: #e2e8f0;
  min-height: 2.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem 0.35rem 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 99rem;
  color: var(--scope-color);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(148, 163, 184, 0.08)),
    rgba(255, 255, 255, 0.08);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.06),
    0 0.6rem 1.8rem rgba(15, 23, 42, 0.12);
}

.scope-item svg {
  width: 1.45rem;
  height: 1.45rem;
  flex: 0 0 auto;
}

.scope-item span {
  position: static;
  padding: 0;
  color: var(--scope-color);
  background: transparent;
  box-shadow: none;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.scope-item.pc { --scope-color: var(--blue); }
.scope-item.mobile { --scope-color: #3b82f6; }
.scope-item.tablet { --scope-color: #22d3ee; }
.scope-item.miniapp { --scope-color: #22c55e; }
.scope-item.backend { --scope-color: #a78bfa; }
.scope-item.payment { --scope-color: #fbbf24; }
.scope-item.member { --scope-color: #f472b6; }
.scope-item.seo { --scope-color: #38bdf8; }
.scope-item.device { --scope-color: #fb7185; }
.scope-item.api { --scope-color: #818cf8; }

.service-project-visual img {
  width: 100%;
  height: 100%;
  min-height: 14.8rem;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform 0.32s ease, filter 0.32s ease;
}

.service-project-card:hover .service-project-visual img {
  filter: saturate(1.08) contrast(1.02);
  transform: scale(1.06);
}

.service-project-visual > span {
  position: absolute;
  left: 1.4rem;
  bottom: 1.2rem;
  z-index: 2;
  padding: 0.5rem 0.8rem;
  border-radius: 99rem;
  color: #fff;
  background: rgba(8, 11, 18, 0.48);
  backdrop-filter: blur(1rem);
  -webkit-backdrop-filter: blur(1rem);
  font-size: 1.2rem;
  font-weight: 800;
}

.architecture-section {
  overflow: hidden;
  background: #EAF0FB;
}

.architecture-head {
  max-width: 96rem;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.architecture-head .eyebrow {
  justify-content: center;
}

.architecture-head .eyebrow::before {
  display: none;
}

.architecture-map {
  position: relative;
  min-height: 62rem;
  margin-top: 2rem;
}

.architecture-card-track {
  display: contents;
}

.architecture-carousel-track {
  display: none;
}

.architecture-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.architecture-lines path {
  fill: none;
  stroke: rgba(45, 128, 255, 0.12);
  stroke-width: 1.5;
}

.architecture-lines .dash {
  stroke: rgba(45, 128, 255, 0.22);
  stroke-width: 2;
  stroke-dasharray: 6 14;
  stroke-linecap: round;
  animation: lineFlow 3s linear infinite;
}

.architecture-lines .dash:last-child {
  animation-delay: -1.5s;
  stroke: rgba(77, 126, 247, 0.32);
}

@keyframes lineFlow {
  from { stroke-dashoffset: 0; }
  to   { stroke-dashoffset: -80; }
}

.architecture-card {
  position: absolute;
  z-index: 2;
  width: min(32rem, 28%);
  min-height: 18rem;
  padding: 2.4rem;
  border: 1px solid rgba(45, 128, 255, 0.16);
  border-radius: 1.8rem;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 2rem 5rem rgba(31, 41, 55, 0.09);
  backdrop-filter: blur(1.4rem);
  -webkit-backdrop-filter: blur(1.4rem);
  animation: architectureFloat 4.8s linear infinite;
  will-change: transform;
}

.architecture-card::after {
  content: "";
  position: absolute;
  width: 1.2rem;
  height: 1.2rem;
  border: 0.3rem solid rgba(45, 128, 255, 0.2);
  border-radius: 50%;
  background: #2d80ff;
  box-shadow: 0 0 0 0.7rem rgba(45, 128, 255, 0.08);
}

.card-left-top {
  top: 4rem;
  left: 0;
  animation-delay: 0s;
}

.card-left-top::after {
  right: -0.9rem;
  top: 50%;
}

.card-right-top {
  top: 4rem;
  right: 0;
  animation-delay: -1.2s;
}

.card-right-top::after {
  left: -0.9rem;
  top: 50%;
}

.card-left-bottom {
  left: 0;
  bottom: 4rem;
  animation-delay: -2.4s;
}

.card-left-bottom::after {
  right: -0.9rem;
  top: 50%;
}

.card-right-bottom {
  right: 0;
  bottom: 4rem;
  animation-delay: -3.6s;
}

@keyframes architectureFloat {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-1rem);
  }
}

.card-right-bottom::after {
  left: -0.9rem;
  top: 50%;
}

.arch-icon {
  width: 4.8rem;
  height: 4.8rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, #2d80ff, #18c8ff);
  box-shadow: 0 1.2rem 3rem rgba(45, 128, 255, 0.28);
}

.arch-icon svg {
  width: 2.4rem;
  height: 2.4rem;
}

.architecture-card h3 {
  margin: 1.4rem 0 0;
  color: #101828;
  font-size: 2.4rem;
  line-height: 1.2;
}

.architecture-card p {
  margin: 1rem 0 0;
  color: #667085;
  font-size: 1.5rem;
}

.architecture-card ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin: 1.8rem 0 0;
  padding: 0;
  list-style: none;
}

.architecture-card li {
  position: relative;
  padding-left: 1.2rem;
  color: #344054;
  font-size: 1.4rem;
}

.architecture-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.9rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #2d80ff;
}

.architecture-core {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  width: 32rem;
  height: 32rem;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
}

/* pulsing ripple rings — blue gradient outward */
.core-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(30, 80, 226, 0.26);
  animation: corePulse 3.6s ease-out infinite;
  pointer-events: none;
}

.core-pulse-2 {
  animation-delay: 1.2s;
  border-color: rgba(77, 126, 247, 0.18);
}

.core-pulse-3 {
  animation-delay: 2.4s;
  border-color: rgba(18, 200, 255, 0.14);
}

@keyframes corePulse {
  0%   { transform: scale(0.55); opacity: 0.9; }
  80%  { opacity: 0.08; }
  100% { transform: scale(1.12); opacity: 0; }
}

/* rotating orbit dots — cyan layer */
.core-orbit {
  position: absolute;
  inset: 1.6rem;
  border-radius: 50%;
  border: 1px solid rgba(18, 200, 255, 0.22);
  animation: coreOrbit 18s linear infinite;
  pointer-events: none;
}

/* ── Orbit glass icons ─────────────────────────── */
.orbit-icon {
  position: absolute;
  width: 3.2rem;
  height: 3.2rem;
  display: grid;
  place-items: center;
  border-radius: 0.9rem;
  overflow: hidden;
  translate: -50% -50%;
  animation: coreOrbitReverse 18s linear infinite;
  cursor: default;
}
.orbit-icon::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 52%;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.46) 0%,
    rgba(255, 255, 255, 0.06) 100%
  );
  z-index: 1;
  border-radius: 0.9rem 0.9rem 0 0;
  pointer-events: none;
}
.orbit-icon::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 30%;
  background: linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.14) 0%,
    transparent 100%
  );
  z-index: 1;
  border-radius: 0 0 0.9rem 0.9rem;
  pointer-events: none;
}
.orbit-icon svg {
  position: relative;
  z-index: 2;
  width: 1.8rem;
  height: 1.8rem;
  color: #fff;
  filter: drop-shadow(0 0.1rem 0.3rem rgba(0,0,0,0.25));
}
.oi-1 {
  background: linear-gradient(145deg, #6b9eff, #1E50E2, #1238B0);
  box-shadow: 0 0.4rem 1.4rem rgba(30,80,226,0.52),
              inset 0 0.15rem 0 rgba(255,255,255,0.40),
              inset 0 -0.1rem 0 rgba(0,0,0,0.14);
}
.oi-2 {
  background: linear-gradient(145deg, #34d9f7, #06b6d4, #0e7490);
  box-shadow: 0 0.4rem 1.4rem rgba(6,182,212,0.52),
              inset 0 0.15rem 0 rgba(255,255,255,0.40),
              inset 0 -0.1rem 0 rgba(0,0,0,0.14);
}
.oi-3 {
  background: linear-gradient(145deg, #b39dfa, #7c3aed, #5b21b6);
  box-shadow: 0 0.4rem 1.4rem rgba(124,58,237,0.52),
              inset 0 0.15rem 0 rgba(255,255,255,0.40),
              inset 0 -0.1rem 0 rgba(0,0,0,0.14);
}
.oi-4 {
  background: linear-gradient(145deg, #fda96e, #f97316, #c2410c);
  box-shadow: 0 0.4rem 1.4rem rgba(249,115,22,0.52),
              inset 0 0.15rem 0 rgba(255,255,255,0.40),
              inset 0 -0.1rem 0 rgba(0,0,0,0.14);
}
.oi-5 {
  background: linear-gradient(145deg, #5eead4, #10b981, #065f46);
  box-shadow: 0 0.4rem 1.4rem rgba(16,185,129,0.52),
              inset 0 0.15rem 0 rgba(255,255,255,0.40),
              inset 0 -0.1rem 0 rgba(0,0,0,0.14);
}
.oi-6 {
  background: linear-gradient(145deg, #f9a8d4, #ec4899, #9d174d);
  box-shadow: 0 0.4rem 1.4rem rgba(236,72,153,0.52),
              inset 0 0.15rem 0 rgba(255,255,255,0.40),
              inset 0 -0.1rem 0 rgba(0,0,0,0.14);
}
.orbit-icon:nth-child(1) { top:   0%;   left: 50%;   }
.orbit-icon:nth-child(2) { top:  25%;   left: 93.3%; }
.orbit-icon:nth-child(3) { top:  75%;   left: 93.3%; }
.orbit-icon:nth-child(4) { top: 100%;   left: 50%;   }
.orbit-icon:nth-child(5) { top:  75%;   left:  6.7%; }
.orbit-icon:nth-child(6) { top:  25%;   left:  6.7%; }

@keyframes coreOrbit {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── orbiting pill-tag ring — blue outer layer ── */
.core-pill-ring {
  position: absolute;
  inset: -5.4rem;
  border-radius: 50%;
  border: 1px dashed rgba(30, 80, 226, 0.20);
  animation: coreOrbit 26s linear infinite;
  pointer-events: none;
  z-index: 2;
}

.core-pill-ring span {
  position: absolute;
  padding: 0.45rem 1.1rem;
  border-radius: 99rem;
  background: rgba(30, 80, 226, 0.10);
  border: 1px solid rgba(30, 80, 226, 0.32);
  color: var(--blue);
  font-size: 1.2rem;
  font-weight: 600;
  white-space: nowrap;
  backdrop-filter: blur(0.6rem);
  -webkit-backdrop-filter: blur(0.6rem);
  box-shadow: 0 0.2rem 1rem rgba(30, 80, 226, 0.16);
  translate: -50% -50%;
  animation: coreOrbitReverse 26s linear infinite;
}

/* color variant 2 — bright cyan */
.core-pill-ring span:nth-child(2),
.core-pill-ring span:nth-child(5) {
  color: #0891b2;
  border-color: rgba(8, 145, 178, 0.45);
  background: rgba(18, 200, 255, 0.12);
  box-shadow: 0 0.2rem 1rem rgba(18, 200, 255, 0.22);
}

/* color variant 3 — brand red */
.core-pill-ring span:nth-child(3),
.core-pill-ring span:nth-child(6) {
  color: var(--red);
  border-color: rgba(215, 34, 42, 0.32);
  background: rgba(215, 34, 42, 0.08);
  box-shadow: 0 0.2rem 1rem rgba(215, 34, 42, 0.14);
}

/* 6 positions evenly distributed (60° each) around the ring circle */
.core-pill-ring span:nth-child(1) { top: 0%;    left: 50%;   }   /* 0°   top     */
.core-pill-ring span:nth-child(2) { top: 25%;   left: 93.3%; }   /* 60°  upper-right */
.core-pill-ring span:nth-child(3) { top: 75%;   left: 93.3%; }   /* 120° lower-right */
.core-pill-ring span:nth-child(4) { top: 100%;  left: 50%;   }   /* 180° bottom  */
.core-pill-ring span:nth-child(5) { top: 75%;   left: 6.7%;  }   /* 240° lower-left */
.core-pill-ring span:nth-child(6) { top: 25%;   left: 6.7%;  }   /* 300° upper-left */

@keyframes coreOrbitReverse {
  from { rotate: 0deg; }
  to   { rotate: -360deg; }
}

.core-platform {
  position: relative;
  z-index: 2;
  width: 13rem;
  display: grid;
  place-items: center;
  gap: 0.2rem;
  padding: 1.6rem;
  text-align: center;
  border-radius: 50%;
  aspect-ratio: 1;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(45, 128, 255, 0.16);
  box-shadow:
    0 2.4rem 6rem rgba(31, 41, 55, 0.1),
    inset 0 0 0 5px rgba(255, 255, 255, 0.5);
}

.core-logo {
  width: 5rem;
  height: auto;
  object-fit: contain;
}

.core-name {
  display: block;
  color: var(--ink);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
  margin-top: -2rem;
}

.core-mark {
  width: 5.2rem;
  height: 5.2rem;
  display: grid;
  place-items: center;
  border-radius: 1.6rem;
  background: linear-gradient(135deg, var(--red), #ff7046);
  color: #fff;
  font-size: 2.4rem;
  font-weight: 900;
  box-shadow: 0 1rem 2.4rem rgba(215, 34, 42, 0.32);
}

.core-platform strong {
  display: block;
  color: var(--ink);
  font-size: 1.8rem;
  line-height: 1.2;
}

.core-platform p {
  margin: 0;
  color: var(--muted);
  font-size: 1.2rem;
  line-height: 1.5;
}

.section-white {
  padding: 0 0 11rem;
  background: #fff;
}

.section-dark {
  color: #fff;
  background:
    radial-gradient(ellipse at 12% 15%, rgba(30, 80, 226, 0.28), transparent 38%),
    radial-gradient(ellipse at 88% 80%, rgba(215, 34, 42, 0.18), transparent 35%),
    radial-gradient(ellipse at 60% 40%, rgba(30, 80, 226, 0.10), transparent 50%),
    linear-gradient(160deg, #061233 0%, #0D1F52 55%, #0A1840 100%);
}

.section-head {
  max-width: 78rem;
  margin-bottom: 4.8rem;
}

.section-head-wide {
  max-width: 100%;
}

.section-head.left {
  margin-bottom: 0;
}

.section-head h2,
.contact-card h2 {
  font-size: clamp(3.2rem, 4vw, 5rem);
}

.section-head p,
.contact-card p {
  margin: 1.8rem 0 0;
  color: var(--muted);
  font-size: 1.8rem;
}

.section-dark .section-head p,
.contact-card p {
  color: rgba(255, 255, 255, 0.72);
}

.text-glow {
  color: var(--blue-light);
  text-shadow: 0 1rem 3rem rgba(30, 80, 226, 0.36);
}

/* ── Services goals highlight ──────────────────────────────── */
.services-goals {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-top: 2.8rem !important;
  color: #1d2939;
  font-size: 1.7rem;
  font-weight: 500;
}

.services-goals span {
  display: inline-flex;
  align-items: center;
  padding: 0.6rem 1.4rem;
  border-radius: 99rem;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  box-shadow: 0 0.6rem 1.8rem rgba(30, 80, 226, 0.28);
  white-space: nowrap;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

/* ── Service carousel progress bar (hidden on desktop) ── */
.service-carousel-track {
  display: none;
}


.service-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2.4rem;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 2rem 6rem rgba(17, 24, 39, 0.08);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.service-price {
  position: absolute;
  top: 1.4rem;
  right: 1.4rem;
  z-index: 2;
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.6rem 1.2rem;
  border-radius: 99rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(30, 80, 226, 0.18);
  box-shadow: 0 0.8rem 2.4rem rgba(17, 24, 39, 0.12);
  backdrop-filter: blur(0.8rem);
  -webkit-backdrop-filter: blur(0.8rem);
  line-height: 1;
}

.service-price b {
  color: var(--blue);
  font-size: 1.7rem;
  font-weight: 800;
}

.service-price em {
  font-style: normal;
  font-size: 1.2rem;
  color: var(--muted);
}

.service-price-quote b {
  font-size: 1.5rem;
}

.service-card:hover {
  transform: translateY(-0.6rem);
  box-shadow: 0.125rem 0.125rem 0.875rem rgba(7, 82, 195, 0.36);
}

.service-card-media,
.service-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #dfe7f1;
}

.service-card > img,
.service-card-media img,
.service-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #dfe7f1;
}

.service-placeholder {
  position: relative;
  background: linear-gradient(135deg, #eef2f7, #dfe7f1);
}

.service-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(135deg, rgba(8, 11, 18, 0.72), rgba(8, 11, 18, 0.1));
  pointer-events: none;
}

.service-placeholder::after {
  content: "智能硬件";
  position: absolute;
  right: 1.8rem;
  bottom: 1.8rem;
  z-index: 2;
  padding: 0.7rem 1rem;
  border-radius: 99rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(1.2rem);
  -webkit-backdrop-filter: blur(1.2rem);
  font-size: 1.3rem;
  font-weight: 800;
}

.hardware-pill {
  display: inline-flex;
  align-items: center;
  width: max-content;
  max-width: 100%;
  margin-left: 0.8rem;
  padding: 0.28rem 0.72rem;
  border: 1px solid rgba(24, 200, 255, 0.22);
  border-radius: 99rem;
  color: #0b7fab;
  background: rgba(24, 200, 255, 0.1);
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.35;
  vertical-align: middle;
  white-space: nowrap;
}

.service-body {
  padding: 2.4rem;
}

.service-body > svg,
.feature-card svg {
  width: 4.6rem;
  height: 4.6rem;
  padding: 1.1rem;
  border-radius: 1.4rem;
  color: var(--blue);
  background: rgba(30, 80, 226, 0.08);
}

.service-scope {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-bottom: 1.6rem;
}

.service-scope .scope-item {
  border-color: rgba(17, 24, 39, 0.08);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(241, 245, 249, 0.82)),
    rgba(248, 250, 252, 0.96);
  box-shadow: 0 0.8rem 2rem rgba(17, 24, 39, 0.08);
}

.service-scope .scope-item span {
  color: var(--scope-color);
}

.service-body h3,
.feature-card h3,
.case-card h3,
.article-card h3,
.process-step h3 {
  margin: 1.4rem 0 0;
  line-height: 1.25;
  font-size: 2.2rem;
}

.service-body h3 a {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  color: inherit;
  transition: color 0.2s ease;
}

.service-body h3 a:hover {
  color: var(--red);
}

.service-body p,
.feature-card p,
.case-card p,
.article-card p,
.process-step p {
  margin: 1.2rem 0 0;
  color: var(--muted);
}

.service-body ul {
  display: grid;
  gap: 0.8rem;
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.service-body li {
  position: relative;
  padding-left: 1.8rem;
  color: #344054;
  font-size: 1.5rem;
}

.service-body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--red);
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(38rem, 1.1fr);
  align-items: center;
  gap: 6rem;
}

.tabs {
  padding: 0;
}

.tab-buttons {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 0.4rem;
  scrollbar-width: none;
  padding-bottom: 0.2rem;
}
.tab-buttons::-webkit-scrollbar { display: none; }

.tab-buttons button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-shrink: 0;
  min-height: 3.6rem;
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 99rem;
  color: rgba(255, 255, 255, 0.55);
  background: transparent;
  cursor: pointer;
  font-size: 1.3rem;
  font-weight: 500;
  white-space: nowrap;
  transition: color 0.18s ease;
}

.tab-buttons button:hover:not(.active) {
  color: rgba(255, 255, 255, 0.88);
}

.tab-buttons button svg {
  width: 1.4rem;
  height: 1.4rem;
  flex-shrink: 0;
}

.tab-buttons button.active {
  color: #111827;
  background: #ffffff;
  box-shadow: 0 0.2rem 0.8rem rgba(0, 0, 0, 0.18);
  border-color: transparent;
}

.tab-panel {
  display: none;
  padding: 2.4rem 0 0;
}

.tab-panel.active {
  display: block;
}

.tc-slide {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3.2rem;
  align-items: center;
}

/* 左侧图片占位块 */
.tab-media {
  aspect-ratio: 4 / 3;
  border-radius: 1.4rem;
  background: linear-gradient(135deg, rgba(30, 80, 226, 0.18), rgba(18, 200, 255, 0.10));
  border: 1px solid rgba(255, 255, 255, 0.10);
  display: grid;
  place-items: center;
  overflow: hidden;
  position: relative;
}
.tab-media img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.tab-media::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.025) 0px, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 40px),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.025) 0px, rgba(255,255,255,0.025) 1px, transparent 1px, transparent 40px);
  pointer-events: none;
}
.tab-media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(9, 20, 54, 0.08), rgba(9, 20, 54, 0.22));
  pointer-events: none;
}
.tab-media-label {
  position: relative;
  z-index: 2;
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.08em;
  padding: 0.42rem 0.82rem;
  border-radius: 99rem;
  background: rgba(5, 12, 32, 0.34);
  border: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(0.8rem);
}

/* 右侧文字区 */
.tab-body {
  display: flex;
  flex-direction: column;
}

.tab-panel h3 {
  margin: 0;
  font-size: clamp(2rem, 1.8vw, 2.6rem);
  line-height: 1.3;
  color: #fff;
  white-space: normal;
  overflow: visible;
  text-overflow: unset;
}

.tab-panel p {
  margin: 1.2rem 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 1.6rem;
  line-height: 1.7;
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.8rem;
}

.pill-list span {
  padding: 0.45rem 1rem;
  border-radius: 99rem;
  font-size: 1.3rem;
  color: rgba(255, 255, 255, 0.84);
  background: rgba(255, 255, 255, 0.1);
}

/* ── Tab Carousel ────────────────────────────────────── */
.tab-carousel {
  position: relative;
  overflow: hidden;
}

.tc-track {
  display: flex;
  transition: transform 0.38s cubic-bezier(0.22, 1, 0.36, 1);
}

.tc-slide {
  flex: 0 0 100%;
  padding: 2.4rem 0 0;
}

.tc-dots {
  display: flex;
  gap: 0.6rem;
  margin-top: 2rem;
}

.tc-dot {
  position: relative;
  overflow: hidden;
  width: 2rem;
  height: 0.4rem;
  border-radius: 99rem;
  border: none;
  background: rgba(148, 163, 184, 0.28);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  cursor: pointer;
  transition: width 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
  padding: 0;
}

.tc-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(248, 250, 252, 0.95), rgba(203, 213, 225, 0.98), rgba(255, 255, 255, 0.86));
  box-shadow: 0 0 1.6rem rgba(226, 232, 240, 0.28);
  transform: scaleX(0);
  transform-origin: left center;
}

.tc-dot.active {
  width: 3.2rem;
  background: rgba(71, 85, 105, 0.38);
  box-shadow: 0 0.6rem 1.8rem rgba(15, 23, 42, 0.28);
}

.tc-dot.active::after {
  animation: tcDotProgress 4.5s linear forwards;
}

@keyframes tcDotProgress {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

@media (prefers-reduced-motion: reduce) {
  .tc-dot.active::after {
    animation: none;
    transform: scaleX(1);
  }
}

.article-card,
.feature-card {
  border: 1px solid var(--line);
  border-radius: 2.2rem;
  background: #fff;
  box-shadow: 0 1.8rem 5rem rgba(17, 24, 39, 0.07);
}

.article-tag {
  display: inline-flex;
  align-items: center;
  min-height: 2.2rem;
  padding: 0.28rem 0.72rem;
  border-radius: 99rem;
  color: var(--blue);
  background: rgba(30, 80, 226, 0.08);
  font-size: 1.18rem;
  font-weight: 800;
  line-height: 1.4;
}

.case-showcase .section-head {
  max-width: 86rem;
}

.case-tabs {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0;
  margin: 4.2rem 0 4rem;
  border-bottom: 1px solid rgba(17, 24, 39, 0.1);
}

.case-tabs button {
  position: relative;
  min-height: 6.2rem;
  border: 0;
  color: #263241;
  background: transparent;
  font-size: 1.7rem;
  font-weight: 800;
  cursor: pointer;
}

.case-tabs button::after {
  content: "";
  position: absolute;
  left: 12%;
  right: 12%;
  bottom: -1px;
  height: 0.3rem;
  border-radius: 99rem;
  background: transparent;
}

.case-tabs button.active {
  color: var(--blue);
}

.case-tabs button.active::after {
  background: linear-gradient(90deg, var(--red), #ff7046);
}

.client-board {
  position: relative;
  min-height: 76rem;
  margin-bottom: 6rem;
}

.client-logo-list {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  gap: 3rem;
}

.client-logo-list.active {
  display: grid;
}

.client-logo-list span {
  position: relative;
  min-height: 16.5rem;
  display: grid;
  grid-template-rows: 1fr auto;
  place-items: center;
  padding: 2.4rem 1.6rem 2.2rem;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 1rem;
  color: #30343b;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.96));
  box-shadow: inset 0 0 0 1px rgba(17, 24, 39, 0.03);
  font-size: 2rem;
  font-weight: 900;
  text-align: center;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

.client-logo-list span::before {
  content: attr(data-mark);
  width: 8.8rem;
  height: 8.8rem;
  display: grid;
  place-items: center;
  align-self: end;
  margin-bottom: 1.7rem;
  border-radius: 50%;
  color: var(--client-color, var(--red));
  background: #fff;
  box-shadow: 0 1.2rem 2.4rem rgba(17, 24, 39, 0.11);
  font-size: 1.75rem;
  font-weight: 950;
  line-height: 1.18;
  white-space: pre-line;
}

.client-logo-list span:hover {
  z-index: 2;
  border-color: rgba(255, 255, 255, 1);
  background: #fff;
  box-shadow: 0 1.8rem 4.2rem rgba(17, 24, 39, 0.18);
  transform: translateY(-1.2rem) scale(1.06);
}

.client-site-list {
  align-items: stretch;
}

.client-site-card {
  position: relative;
  min-height: 24rem;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 1.4rem;
  padding: 1rem 1rem 1.8rem;
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 1rem;
  color: #111827;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.98));
  box-shadow: inset 0 0 0 1px rgba(17, 24, 39, 0.03);
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, border-color 0.22s ease;
}

.client-site-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: block;
  object-fit: cover;
  border-radius: 0.8rem;
  background: #e5ebf3;
  box-shadow: 0 1rem 2rem rgba(17, 24, 39, 0.08);
}

.client-site-card strong {
  display: block;
  padding: 0 0.4rem;
  font-size: 1.9rem;
  font-weight: 900;
  line-height: 1.25;
  text-align: center;
}

.client-site-card:hover {
  z-index: 2;
  border-color: rgba(255, 255, 255, 1);
  background: #fff;
  box-shadow: 0 1.8rem 4.2rem rgba(17, 24, 39, 0.18);
  transform: translateY(-1.2rem) scale(1.04);
}

.client-logo-list span:nth-child(6n + 1) {
  --client-color: #d7222a;
}

.client-logo-list span:nth-child(6n + 2) {
  --client-color: #168a7a;
}

.client-logo-list span:nth-child(6n + 3) {
  --client-color: #111827;
}

.client-logo-list span:nth-child(6n + 4) {
  --client-color: #1677ff;
}

.client-logo-list span:nth-child(6n + 5) {
  --client-color: #f97316;
}

.client-logo-list span:nth-child(6n + 6) {
  --client-color: #54a51c;
}

.case-feature {
  position: relative;
  display: grid;
  grid-template-columns: minmax(32rem, 0.95fr) minmax(34rem, 0.75fr);
  gap: 6rem;
  align-items: center;
  min-height: 52rem;
  margin: 0 3.4rem;
  padding: 6rem 8rem;
  background: #fff;
  box-shadow: 0 2.4rem 9rem rgba(17, 24, 39, 0.08);
}

.case-visual {
  position: relative;
  min-height: 34rem;
  overflow: hidden;
  border-radius: 2.4rem;
  background: #e5ebf3;
  box-shadow: 0 2.4rem 7rem rgba(17, 24, 39, 0.18);
}

.case-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 48%, rgba(8, 11, 18, 0.58) 100%);
  pointer-events: none;
}

.case-visual img {
  width: 100%;
  height: 100%;
  min-height: 34rem;
  object-fit: cover;
  transform: scale(1.01);
  transition: opacity 0.24s ease, transform 0.36s ease;
}

.case-feature:hover .case-visual img {
  transform: scale(1.04);
}

.case-visual span {
  position: absolute;
  left: 1.8rem;
  bottom: 1.8rem;
  z-index: 1;
  max-width: calc(100% - 3.6rem);
  padding: 0.8rem 1.1rem;
  border-radius: 99rem;
  color: #fff;
  background: rgba(8, 11, 18, 0.52);
  backdrop-filter: blur(1.2rem);
  -webkit-backdrop-filter: blur(1.2rem);
  font-size: 1.35rem;
  font-weight: 900;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.case-detail span {
  display: inline-flex;
  margin-bottom: 1.6rem;
  color: #303846;
  font-size: 2.8rem;
  font-weight: 900;
}

.case-detail h3 {
  margin: 0;
  color: #1f2937;
  font-size: 2.6rem;
  line-height: 1.3;
}

.case-detail b {
  display: block;
  width: 4.2rem;
  height: 0.3rem;
  margin: 2rem 0 2.4rem;
  border-radius: 99rem;
  background: var(--red);
}

.case-detail p {
  margin: 1.4rem 0 0;
  color: #667085;
  font-size: 1.7rem;
}

.case-detail .btn {
  width: fit-content;
  margin-top: 3.2rem;
  border-radius: 0.4rem;
}

.case-arrow {
  position: absolute;
  top: 50%;
  z-index: 3;
  width: 6.4rem;
  height: 6.4rem;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: var(--blue);
  background: #fff;
  box-shadow: 0 1.8rem 5rem rgba(17, 24, 39, 0.1);
  cursor: pointer;
  transform: translateY(-50%);
}

.case-arrow svg {
  width: 2.4rem;
  height: 2.4rem;
}

.case-arrow-prev {
  left: -3.2rem;
}

.case-arrow-prev svg {
  transform: rotate(180deg);
}

.case-arrow-next {
  right: -3.2rem;
}

.case-count {
  position: absolute;
  right: 5.8rem;
  bottom: 3rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.case-count strong {
  color: var(--blue);
  font-size: 4rem;
  line-height: 1;
}

.case-count span,
.case-count em {
  color: #c3cad5;
  font-size: 2.4rem;
  font-style: normal;
  font-weight: 800;
}

.service-scale {
  position: relative;
  overflow: hidden;
  padding: 9.6rem 0 13rem;
  background:
    linear-gradient(90deg, rgba(35, 120, 247, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(35, 120, 247, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, #f6f9ff 0%, #eef5ff 100%);
  background-size: 4.8rem 4.8rem, 4.8rem 4.8rem, auto;
}

.service-scale::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: min(28rem, 22vw);
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0%, rgba(35, 120, 247, 0.035) 28%, rgba(35, 120, 247, 0.075) 50%, rgba(35, 120, 247, 0.035) 72%, transparent 100%);
  opacity: 0.42;
  transform: translate3d(-32rem, 0, 0);
  will-change: transform;
  animation: scaleSweep 12s linear infinite;
}

.service-scale::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 0.1rem;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent, rgba(35, 120, 247, 0.42), transparent);
  box-shadow: 0 -1.2rem 4rem rgba(35, 120, 247, 0.12);
}

.service-scale-inner {
  position: relative;
  z-index: 1;
}

.service-scale .section-head {
  max-width: 86rem;
}

.service-scale .section-head h2 {
  color: #30343b;
}

.service-scale .section-head p {
  color: #5f6c7d;
}

.scale-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5.2rem;
  margin-top: 7.2rem;
}

.scale-item strong {
  display: block;
  color: #2378f7;
  font-size: clamp(4.2rem, 4.8vw, 6.4rem);
  line-height: 1;
  letter-spacing: 0;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.scale-item {
  position: relative;
  min-width: 0;
  padding-top: 1.8rem;
}

.scale-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4.8rem;
  height: 0.2rem;
  border-radius: 99rem;
  background: linear-gradient(90deg, #2378f7, rgba(35, 120, 247, 0));
  transform-origin: left center;
  animation: scalePulseLine 3.8s ease-in-out infinite;
}

.scale-item:hover strong {
  transform: translateY(-0.3rem);
}

/* staggered reveal delays */
.scale-grid .scale-item:nth-child(1).reveal { transition-delay: 0s; }
.scale-grid .scale-item:nth-child(2).reveal { transition-delay: 0.1s; }
.scale-grid .scale-item:nth-child(3).reveal { transition-delay: 0.2s; }
.scale-grid .scale-item:nth-child(4).reveal { transition-delay: 0.3s; }

/* number pop on entry */
.scale-grid .scale-item.reveal strong {
  transform: scale(0.82) translateY(0.8rem);
  opacity: 0;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.4s ease;
}

.scale-grid .scale-item.reveal.visible strong {
  transform: scale(1) translateY(0);
  opacity: 1;
  transition-delay: 0.1s;
}

@keyframes scaleSweep {
  from {
    transform: translate3d(-32rem, 0, 0);
  }
  to {
    transform: translate3d(calc(100vw + 32rem), 0, 0);
  }
}

@keyframes scalePulseLine {
  0%, 100% {
    transform: scaleX(0.72);
    opacity: 0.45;
  }
  50% {
    transform: scaleX(1);
    opacity: 0.9;
  }
}

/* ── Scale Thumbnails ──────────────────────────────────────── */
.scale-thumbs {
  position: relative;
  margin-top: 6.4rem;
  padding: 0.2rem 0;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent 0%, #000 6%, #000 94%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 6%, #000 94%, transparent 100%);
}

.scale-thumbs::before,
.scale-thumbs::after {
  content: "";
  position: absolute;
  left: 6%;
  right: 6%;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(35, 120, 247, 0.22), transparent);
}

.scale-thumbs::before {
  top: 0;
}

.scale-thumbs::after {
  bottom: 0;
}

.scale-thumb-row {
  display: flex;
  max-width: 100%;
  margin-bottom: 1.4rem;
  overflow: hidden;
}

.scale-thumb-row:last-child {
  margin-bottom: 0;
}

.scale-thumb-track {
  display: flex;
  flex-shrink: 0;
  gap: 1.4rem;
  animation: scale-thumb-left 28s linear infinite;
  will-change: transform;
}

.scale-thumb-row-reverse .scale-thumb-track {
  animation: scale-thumb-right 32s linear infinite;
}

.scale-thumbs:hover .scale-thumb-track {
  animation-play-state: paused;
}

@keyframes scale-thumb-left {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes scale-thumb-right {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}

.scale-thumb-item {
  position: relative;
  flex: 0 0 auto;
  width: 19.2rem;
  border-radius: 1.2rem;
  overflow: hidden;
  border: 1px solid rgba(35, 120, 247, 0.14);
  box-shadow: 0 0.6rem 1.6rem rgba(17, 24, 39, 0.07);
  background: #e8eef5;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.scale-thumb-item::before,
.scale-thumb-cert::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 0%, rgba(255, 255, 255, 0.34) 44%, transparent 58%);
  transform: translateX(-120%);
  transition: transform 0.56s ease;
}

.scale-thumb-item:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 1.4rem 3.2rem rgba(17, 24, 39, 0.14);
}

.scale-thumb-item:hover::before,
.scale-thumb-cert:hover::before {
  transform: translateX(120%);
}

.scale-thumb-item img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.scale-thumb-item span {
  display: block;
  padding: 0.7rem 1rem;
  background: rgba(8, 11, 18, 0.72);
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.02em;
}

.scale-thumb-cert {
  position: relative;
  flex: 0 0 auto;
  width: 14rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  border-radius: 1.2rem;
  border: 1px solid rgba(35, 120, 247, 0.12);
  background: #fff;
  box-shadow: 0 0.4rem 1.2rem rgba(17, 24, 39, 0.07);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  cursor: default;
}

.scale-thumb-cert:hover {
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 1.2rem 2.8rem rgba(17, 24, 39, 0.13);
}

.scale-thumb-cert img {
  width: 100%;
  height: 10rem;
  object-fit: cover;
  object-position: center top;
  display: block;
  border-bottom: 1px solid rgba(17,24,39,0.06);
}

.scale-thumb-cert em {
  display: block;
  width: 100%;
  padding: 0.7rem 0.9rem;
  font-style: normal;
  font-size: 1.2rem;
  font-weight: 700;
  color: #1d2939;
  line-height: 1.35;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.scale-item p {
  max-width: 30rem;
  margin: 2.4rem 0 0;
  color: #303846;
  font-size: 1.6rem;
  line-height: 1.75;
}

.feature-wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  padding: 3rem;
}

.process-line {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.4rem;
}

/* 01→06 错开出现 */
.process-step:nth-child(1) { transition-delay: 0.05s; }
.process-step:nth-child(2) { transition-delay: 0.18s; }
.process-step:nth-child(3) { transition-delay: 0.31s; }
.process-step:nth-child(4) { transition-delay: 0.44s; }
.process-step:nth-child(5) { transition-delay: 0.57s; }
.process-step:nth-child(6) { transition-delay: 0.70s; }

.process-step {
  min-height: 24rem;
  padding: 2.2rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 2.2rem;
  background: rgba(255, 255, 255, 0.09);
  backdrop-filter: blur(1.6rem);
  -webkit-backdrop-filter: blur(1.6rem);
}

.process-step b {
  display: inline-flex;
  color: var(--blue-light);
  font-size: 2.6rem;
}

.process-step p {
  color: rgba(255, 255, 255, 0.68);
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 3.2rem;
}

.article-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 11.2rem;
  grid-template-rows: minmax(0, 1fr) auto;
  gap: 0.52rem 1.35rem;
  align-items: stretch;
  min-width: 0;
  min-height: 8rem;
  padding: 1.35rem 0;
  border: 0;
  border-bottom: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transition: color 0.2s ease;
}

.article-main {
  display: contents;
}

.article-thumb {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: stretch;
  width: 11.2rem;
  height: 8rem;
  border-radius: 0.8rem;
  object-fit: cover;
  background: #eef4fb;
}

.article-card h3 {
  display: -webkit-box;
  grid-column: 1;
  grid-row: 1;
  align-self: start;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  color: #061127;
  font-size: 1.567rem;
  font-weight: 800;
  line-height: 1.42;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.article-meta {
  grid-column: 1;
  grid-row: 2;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1.2rem;
  min-height: 2.2rem;
  margin-top: 0;
  padding-top: 0;
}

.article-meta time {
  flex: 0 0 auto;
  color: #8a94a6;
  font-size: 1.2rem;
  line-height: 1.4;
  white-space: nowrap;
}

.article-card:hover {
  color: var(--blue);
  transform: none;
  box-shadow: none;
}

.article-card:hover h3 {
  color: var(--blue);
}

.contact-section {
  padding: 6rem 0;
  color: #fff;
  background: #050607;
}

.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(36rem, 0.65fr);
  gap: 5rem;
  padding: 4rem;
  border: 0;
  border-radius: 3rem;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.contact-list {
  display: grid;
  gap: 1.2rem;
  margin-top: 3rem;
}

.contact-list a,
.contact-list span {
  color: rgba(255, 255, 255, 0.82);
}

.contact-managers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
  max-width: 58rem;
  margin-top: 2.4rem;
}

.manager-card {
  display: grid;
  grid-template-columns: 7.2rem minmax(0, 1fr);
  align-items: center;
  gap: 1.2rem;
  min-width: 0;
  min-height: 9.2rem;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 1.6rem;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(1.2rem);
  -webkit-backdrop-filter: blur(1.2rem);
}

.manager-card img {
  width: 7.2rem;
  height: 7.2rem;
  border-radius: 1.2rem;
  object-fit: cover;
  object-position: center 18%;
  background: rgba(255, 255, 255, 0.12);
}

.manager-card strong,
.manager-card span,
.manager-card em {
  display: block;
  min-width: 0;
  line-height: 1.35;
}

.manager-card strong {
  color: #fff;
  font-size: 1.6rem;
  font-weight: 800;
}

.manager-card span {
  margin-top: 0.2rem;
  color: var(--blue-light);
  font-size: 1.25rem;
  font-weight: 800;
}

.manager-card em {
  margin-top: 0.4rem;
  color: rgba(255, 255, 255, 0.64);
  font-size: 1.25rem;
  font-style: normal;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-form {
  display: grid;
  gap: 1.4rem;
  padding: 2rem;
  border-radius: 2.2rem;
  background: rgba(255, 255, 255, 0.92);
  color: var(--ink);
}

.contact-form label,
.contact-form label span {
  display: grid;
  gap: 0.7rem;
}

.contact-form label span {
  color: #344054;
  font-size: 1.4rem;
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(17, 24, 39, 0.12);
  border-radius: 1.4rem;
  padding: 1.3rem 1.4rem;
  color: var(--ink);
  background: #fff;
  outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: rgba(30, 80, 226, 0.6);
  box-shadow: 0 0 0 0.4rem rgba(30, 80, 226, 0.10);
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  margin: 0.2rem 0 0;
  color: #475467;
  font-size: 1.3rem;
  line-height: 1.55;
}

.contact-form .form-note {
  margin: 0.2rem 0 0;
  color: #475467;
  font-size: 1.3rem;
  line-height: 1.55;
}

.site-footer {
  position: relative;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(226, 232, 240, 0.72);
  background: #050607;
}

.site-footer::before {
  content: none;
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.site-footer > * {
  position: relative;
  z-index: 1;
}

.footer-main {
  display: grid;
  grid-template-columns: 28rem minmax(0, 1fr);
  gap: 5.4rem;
  padding: 4.8rem 0 3.4rem;
}

.footer-cert {
  display: grid;
  gap: 1rem;
  padding: 0.8rem 3.2rem 0.8rem 0;
  border-right: 1px solid rgba(226, 232, 240, 0.12);
}

.cert-item {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  min-height: 6rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1.35rem;
  background: rgba(255, 255, 255, 0.07);
  box-shadow: 0 1rem 2.6rem rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(1rem);
  -webkit-backdrop-filter: blur(1rem);
}

.cert-icon {
  width: 3.2rem;
  height: 3.2rem;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 0.785rem;
  color: rgb(0 0 0);
  background:
    linear-gradient(135deg, rgba(30, 80, 226, 0.10), rgba(30, 80, 226, 0.04)),
    rgba(255, 255, 255, 0.92);
  box-shadow: 0 0.8rem 1.8rem rgba(30, 80, 226, 0.12);
}

.cert-icon svg {
  width: 2.2rem;
  height: 2.2rem;
  display: block;
}

.cert-item em {
  display: block;
  color: rgba(203, 213, 225, 0.62);
  font-style: normal;
  font-size: 1.125rem;
  line-height: 1.25;
}

.cert-item strong {
  display: block;
  margin-top: 0.18rem;
  color: #f8fafc;
  font-size: 1.36rem;
  line-height: 1.18;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.cert-item:first-child strong {
  font-size: 1.36rem;
  letter-spacing: 0.02em;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)) 16.8rem;
  gap: 3rem;
}

.footer-column,
.footer-follow {
  min-width: 0;
}

.footer-column h3,
.footer-follow h3 {
  position: relative;
  margin: 0 0 2.2rem;
  padding-bottom: 1rem;
  color: #f8fafc;
  font-size: 1.7rem;
  line-height: 1.3;
}

.footer-column h3::after,
.footer-follow h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 2.8rem;
  height: 0.3rem;
  border-radius: 99rem;
  background: linear-gradient(90deg, var(--red), rgba(24, 200, 255, 0.9));
}

.footer-column a,
.footer-column p {
  display: block;
  margin: 0 0 1.05rem;
  color: rgba(203, 213, 225, 0.72);
  font-size: 1.5rem;
  line-height: 1.65;
}

.footer-column a {
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-column a:hover {
  color: var(--blue-light);
  transform: translateX(0.3rem);
}

.footer-contact strong {
  color: #fff;
  font-weight: 500;
}

.qr-box {
  position: relative;
  width: min(100%, 16.8rem);
  aspect-ratio: 1;
  padding: 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1.8rem;
  background:
    radial-gradient(circle, #202938 0 0.32rem, transparent 0.36rem) 0.6rem 0.6rem / 1.24rem 1.24rem,
    radial-gradient(circle, rgba(30, 80, 226, 0.7) 0 0.24rem, transparent 0.28rem) 0.2rem 0.4rem / 2.4rem 2.4rem,
    #fff;
  box-shadow: 0 1.4rem 3.4rem rgba(0, 0, 0, 0.28);
}

.qr-box::before,
.qr-box::after,
.qr-box span {
  content: "";
  position: absolute;
  width: 4.2rem;
  height: 4.2rem;
  border: 0.7rem solid #111827;
  border-radius: 0.6rem;
  background: #fff;
}

.qr-box::before {
  left: 1.6rem;
  top: 1.6rem;
}

.qr-box::after {
  right: 1.6rem;
  top: 1.6rem;
}

.qr-box span:first-child {
  left: 1.6rem;
  bottom: 1.6rem;
}

.qr-box span:nth-child(2) {
  right: 3.2rem;
  bottom: 3.2rem;
  width: 2.6rem;
  height: 2.6rem;
  border-width: 0.5rem;
}

.qr-box span:nth-child(3) {
  left: 50%;
  top: 50%;
  width: 3.8rem;
  height: 3.8rem;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 1rem;
  color: #fff;
  background: linear-gradient(135deg, var(--red), #ff7046);
  box-shadow: 0 0.8rem 1.8rem rgba(215, 34, 42, 0.24);
  transform: translate(-50%, -50%);
}

.qr-box span:nth-child(3)::before {
  content: "红数";
  font-size: 1.2rem;
  font-weight: 800;
}

.qr-box.has-image {
  padding: 0.8rem;
  background: #fff;
  overflow: hidden;
}

.qr-box.has-image::before,
.qr-box.has-image::after,
.qr-box.has-image span {
  display: none;
}

.qr-box.has-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: 1.2rem;
}

.social-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-top: 2rem;
}

.social-list span,
.social-list a,
.social-list button {
  width: 3.2rem;
  height: 3.2rem;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  color: rgba(226, 232, 240, 0.78);
  background: rgba(255, 255, 255, 0.08);
  appearance: none;
  box-shadow: 0 0.8rem 2rem rgba(0, 0, 0, 0.18);
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.social-list span:hover,
.social-list a:hover,
.social-list button:hover,
.social-list button.active {
  color: var(--blue-light);
  box-shadow: 0 1rem 2.4rem rgba(30, 80, 226, 0.20);
  transform: translateY(-0.2rem);
}

.social-list span:first-child,
.social-list a:first-child,
.social-list button:first-child {
  color: #22c55e;
}

.friend-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.6rem;
  padding: 2.4rem 0 1.8rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.friend-links strong,
.friend-links a {
  color: rgba(203, 213, 225, 0.72);
  font-size: 1.5rem;
  line-height: 1.5;
}

.friend-links strong {
  color: #f8fafc;
}

.friend-links a:hover {
  color: var(--blue-light);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem 2rem;
  padding: 1.8rem 0 3.2rem;
  color: rgba(148, 163, 184, 0.78);
  font-size: 1.4rem;
}

.footer-bottom a {
  color: rgba(148, 163, 184, 0.78);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-bottom a:hover {
  color: var(--blue-light);
}

.gongan-beian {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: color 0.2s ease;
}

.gongan-beian img {
  width: 1.6rem;
  height: 1.6rem;
  object-fit: contain;
  flex: 0 0 auto;
}

.reveal {
  opacity: 0;
  transform: translateY(2.4rem);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1180px) {
  .header-inner {
    min-height: 6.6rem;
  }

  .site-nav {
    position: fixed;
    top: 7.8rem;
    left: 2.4rem;
    right: 2.4rem;
    display: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    column-gap: 1.2rem;
    row-gap: 0.4rem;
    padding: 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 2.2rem;
    color: #fff;
    background: rgba(5, 6, 7, 0.96);
    backdrop-filter: blur(2rem);
    -webkit-backdrop-filter: blur(2rem);
    max-height: calc(100svh - 12rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.32) transparent;
  }

  .site-nav::before {
    content: "";
    position: absolute;
    top: 1.2rem;
    bottom: 1.2rem;
    left: 50%;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.22), transparent);
    transform: translateX(-50%);
    pointer-events: none;
  }

  .site-nav::-webkit-scrollbar {
    width: 0.6rem;
  }

  .site-nav::-webkit-scrollbar-track {
    background: transparent;
  }

  .site-nav::-webkit-scrollbar-thumb {
    border-radius: 99rem;
    background: rgba(255, 255, 255, 0.28);
  }

  body.nav-open .site-nav {
    display: grid;
  }

  .nav-item,
  .nav-mega {
    display: block;
    min-width: 0;
  }

  .site-nav a {
    width: 100%;
    min-height: 4.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 0.8rem;
    text-align: center;
    border-radius: 1.2rem;
  }

  .nav-services {
    justify-content: center;
    background: transparent;
  }

  .site-nav .nav-services::after {
    content: none;
  }

  .site-nav .nav-mega.open .nav-services::after {
    content: none;
  }

  .solution-mega {
    display: none;
  }

  .nav-mega.open .solution-mega {
    display: none;
  }

  .nav-mega.open .solution-mega::-webkit-scrollbar {
    width: 0.5rem;
  }

  .nav-mega.open .solution-mega::-webkit-scrollbar-track {
    background: transparent;
  }

  .nav-mega.open .solution-mega::-webkit-scrollbar-thumb {
    border-radius: 99rem;
    background: rgba(255, 255, 255, 0.24);
  }

  .mega-shell {
    grid-template-columns: 1fr;
    gap: 1.4rem;
    margin: 0.4rem 0 1rem;
    padding: 1.4rem;
    border-radius: 1.8rem;
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: none;
  }

  .mega-column h3 {
    margin-bottom: 0.8rem;
    padding-bottom: 0.8rem;
    color: rgba(255, 255, 255, 0.68);
    border-bottom-color: rgba(255, 255, 255, 0.12);
    font-size: 1.4rem;
  }

  .site-nav .mega-card {
    grid-template-columns: 3.8rem minmax(0, 1fr);
    padding: 0.8rem 0.4rem;
    color: #fff;
  }

  .site-nav .mega-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: none;
  }

  .mega-icon {
    width: 3.8rem;
    height: 3.8rem;
  }

  .mega-card strong {
    color: #fff;
    font-size: 1.45rem;
  }

  .mega-card em {
    color: rgba(255, 255, 255, 0.58);
    font-size: 1.2rem;
  }

  .header-phone,
  .header-service {
    display: none;
  }

  .mobile-header-tools {
    display: inline-flex;
    align-items: center;
    margin-left: auto;
    border: 0;
    border-radius: 99rem;
    overflow: hidden;
    -webkit-backdrop-filter: blur(1.8rem);
  }

  .mobile-header-tools > .mobile-header-action + .mobile-header-action,
  .mobile-header-tools > .menu-btn {
    position: relative;
    border-left: 0;
  }

  .mobile-header-tools > .mobile-header-action + .mobile-header-action::before,
  .mobile-header-tools > .menu-btn::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 1px;
    height: 1.5rem;
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-50%);
    pointer-events: none;
  }

  .menu-btn {
    display: flex;
    min-width: 4.6rem;
  }

  .hero-inner,
  .split-layout,
  .contact-card {
    grid-template-columns: 1fr;
  }

  /* tab轮播每张slide折为单列 */
  .tc-slide {
    grid-template-columns: 1fr;
  }

  .tab-media {
    aspect-ratio: 16 / 9;
  }

  .hero-inner {
    align-items: center;
  }

  .hero-panel {
    max-width: 62rem;
  }

  .service-grid,
  .service-project-grid,
  .feature-wrap {
    grid-template-columns: repeat(2, 1fr);
  }

  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 2.4rem;
  }

  .service-project-grid-compact {
    max-width: none;
    grid-template-columns: repeat(2, 1fr);
  }

  .architecture-map {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.6rem;
    min-height: auto;
  }

  .architecture-lines {
    display: none;
  }

  .architecture-core {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    grid-column: 1 / -1;
    justify-self: center;
    order: -1;
    margin-bottom: 1rem;
  }

  .architecture-card {
    position: relative;
    inset: auto;
    width: auto;
  }

  .architecture-card::after {
    display: none;
  }

  .case-tabs {
    grid-template-columns: repeat(3, 1fr);
  }

  .client-logo-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .client-board {
    min-height: 78rem;
  }

  .client-logo-list span {
    min-height: 15.5rem;
  }

  .client-logo-list span::before {
    width: 8rem;
    height: 8rem;
  }

  .client-site-card {
    min-height: 21rem;
  }

  .client-site-card strong {
    font-size: 1.7rem;
  }

  .case-feature {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 4rem;
  }

  .case-visual {
    min-height: 32rem;
  }

  .scale-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3.2rem;
  }

  .process-line {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .footer-cert {
    grid-template-columns: repeat(2, 1fr);
    padding-right: 0;
    padding-bottom: 2.4rem;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  }

  .footer-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .header-inner {
    min-height: 6.6rem;
  }

  .site-nav {
    position: fixed;
    top: 7.8rem;
    left: 2.4rem;
    right: 2.4rem;
    display: none;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    column-gap: 1.2rem;
    row-gap: 0.4rem;
    padding: 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 2.2rem;
    color: #fff;
    background: rgba(5, 6, 7, 0.96);
    backdrop-filter: blur(2rem);
    -webkit-backdrop-filter: blur(2rem);
    max-height: calc(100svh - 12rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.32) transparent;
  }

  .site-nav::before {
    content: "";
    position: absolute;
    top: 1.2rem;
    bottom: 1.2rem;
    left: 50%;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.22), transparent);
    transform: translateX(-50%);
    pointer-events: none;
  }

  .site-nav::-webkit-scrollbar {
    width: 0.6rem;
  }

  .site-nav::-webkit-scrollbar-track {
    background: transparent;
  }

  .site-nav::-webkit-scrollbar-thumb {
    border-radius: 99rem;
    background: rgba(255, 255, 255, 0.28);
  }

  body.nav-open .site-nav {
    display: grid;
  }

  .nav-item,
  .nav-mega {
    display: block;
    min-width: 0;
  }

  .site-nav a {
    width: 100%;
    min-height: 4.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 0.8rem;
    text-align: center;
    border-radius: 1.2rem;
  }

  .nav-services {
    justify-content: center;
    background: transparent;
  }

  .site-nav .nav-services::after {
    content: none;
  }

  .site-nav .nav-mega.open .nav-services::after {
    content: none;
  }

  .solution-mega {
    display: none;
  }

  .nav-mega.open .solution-mega {
    display: none;
  }

  .nav-mega.open .solution-mega::-webkit-scrollbar {
    width: 0.5rem;
  }

  .nav-mega.open .solution-mega::-webkit-scrollbar-track {
    background: transparent;
  }

  .nav-mega.open .solution-mega::-webkit-scrollbar-thumb {
    border-radius: 99rem;
    background: rgba(255, 255, 255, 0.24);
  }

  .mega-shell {
    grid-template-columns: 1fr;
    gap: 1.4rem;
    margin: 0.4rem 0 1rem;
    padding: 1.4rem;
    border-radius: 1.8rem;
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: none;
  }

  .mega-column h3 {
    margin-bottom: 0.8rem;
    padding-bottom: 0.8rem;
    color: rgba(255, 255, 255, 0.68);
    border-bottom-color: rgba(255, 255, 255, 0.12);
    font-size: 1.4rem;
  }

  .site-nav .mega-card {
    grid-template-columns: 3.8rem minmax(0, 1fr);
    padding: 0.8rem 0.4rem;
    color: #fff;
  }

  .site-nav .mega-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: none;
  }

  .mega-icon {
    width: 3.8rem;
    height: 3.8rem;
  }

  .mega-card strong {
    color: #fff;
    font-size: 1.45rem;
  }

  .mega-card em {
    color: rgba(255, 255, 255, 0.58);
    font-size: 1.2rem;
  }

  .scope-item span {
    display: none;
  }

  .scope-item {
    width: 2.8rem;
    justify-content: center;
    padding: 0.3rem;
  }

  .header-phone,
  .header-service {
    display: none;
  }

  /*.mobile-header-tools {
    display: inline-flex;
    align-items: center;
    margin-left: auto;
    border: 0;
    border-radius: 99rem;
    overflow: hidden;
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(1.8rem);
    -webkit-backdrop-filter: blur(1.8rem);
    box-shadow:
      0 0.1rem 0 rgba(255, 255, 255, 0.16) inset,
      0 1rem 2.6rem rgba(0, 0, 0, 0.16);
  }*/

  .mobile-header-tools > .mobile-header-action + .mobile-header-action,
  .mobile-header-tools > .menu-btn {
    position: relative;
    border-left: 0;
  }

  .mobile-header-tools > .mobile-header-action + .mobile-header-action::before,
  .mobile-header-tools > .menu-btn::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 1px;
    height: 1.5rem;
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-50%);
    pointer-events: none;
  }

  .menu-btn {
    display: flex;
    min-width: 4.6rem;
  }

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

  /* 2列时：奇数列右边竖线，第一行底部横线 */
  .trust-grid div:nth-child(odd) {
    border-right: 1px solid rgba(17, 24, 39, 0.09);
  }
  .trust-grid div:nth-child(-n+2) {
    border-bottom: 1px solid rgba(17, 24, 39, 0.09);
  }
  .trust-grid div:last-child {
    border-right: none;
  }

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

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

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

@media (max-width: 680px) {
  html {
    font-size: 55%;   /* 1rem ≈ 8.8px，所有 rem 等比缩小约 12% */
  }

  .page-shell,
  .header-inner {
    width: min(calc(100% - 3rem), var(--shell));
  }

  .header-inner {
    gap: 1rem;
    padding-right: 1rem;
  }

  .mobile-header-action,
  .mobile-header-tools .menu-btn {
    min-width: 4.55rem;
    height: 3.6rem;
    padding: 0 0.75rem;
    font-size: 1.2rem;
  }

  .mobile-header-action svg,
  .mobile-header-tools .menu-btn svg {
    width: 1.62rem;
    height: 1.62rem;
  }

  .site-header {
    top: 1rem;
  }

  .brand small {
    display: none;
  }

  .hero-inner {
    padding: 10rem 0 3rem;
  }

  .hero-copy {
    padding-top: 0;
  }

  .hero-copy p {
    font-size: 1.7rem;
  }

  .hero-slide {
    background-position: 62% center;
  }

  .hero-actions {
    width: 100%;
  }

  .hero-actions .btn {
    flex: 1;
    min-width: 0;
  }

  .hero-advantage-card {
    margin-top: 2.4rem;
    border-radius: 1.4rem;
  }

  .hero-insight {
    padding: 1.6rem;
  }

  .hero-insight::before {
    left: 1.6rem;
  }

  .hero-insight strong {
    font-size: 1.75rem;
  }

  .hero-advantage-grid {
    grid-template-columns: 1fr 1fr;
    padding: 0.8rem;
  }

  .hero-advantage-grid div {
    padding: 1rem 0.8rem;
  }

  .hero-advantage-grid div + div {
    border-left: 0;
  }

  .hero-advantage-grid div:nth-child(2n) {
    border-left: 1px solid rgba(16, 24, 40, 0.08);
  }

  .hero-advantage-grid div:nth-child(n + 3) {
    border-top: 1px solid rgba(16, 24, 40, 0.08);
  }

  .service-project-scope {
    top: 0.8rem;
    left: 0.8rem;
    right: 0.8rem;
    gap: 0.4rem;
    padding: 0;
  }

  .scope-item {
    min-height: 2.4rem;
    padding: 0.3rem 0.55rem 0.3rem 0.45rem;
  }

  .scope-item svg {
    width: 1.35rem;
    height: 1.35rem;
  }

  .scope-item span {
    font-size: 1rem;
  }

  .trust-strip {
    margin-top: 0;
    padding-top: 1.6rem;
  }

  .service-project-grid,
  .service-project-grid-compact,
  .feature-wrap,
  .article-grid {
    grid-template-columns: 1fr;
  }

  /* ── Service cards: horizontal scroll-snap carousel ── */
  .service-grid {
    display: flex;
    grid-template-columns: none;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    background: transparent;
    gap: 1.6rem;
    padding: 0.4rem 0 0.6rem;
    -webkit-overflow-scrolling: touch;
  }
  .service-grid::-webkit-scrollbar { display: none; }

  .service-card {
    flex-shrink: 0;
    width: calc(85vw);
    max-width: 36rem;
    background: #fff;
    box-shadow: none;
    scroll-snap-align: start;
  }

  /* Progress bar */
  .service-carousel-track {
    display: block;
    margin: 1.6rem auto 0;
    width: 12rem;
    height: 0.3rem;
    border-radius: 99rem;
    background: transparent;
    overflow: hidden;
  }
  .service-carousel-thumb {
    height: 100%;
    border-radius: 99rem;
    background: var(--blue);
    width: 25%;              /* updated by JS */
    transition: width 0.25s ease, transform 0.25s ease;
    transform-origin: left;
  }

  .article-grid {
    gap: 0;
  }

  .process-line {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
  }

  .process-step {
    min-height: 16.8rem;
    padding: 1.6rem 1.3rem;
    border-radius: 1.8rem;
  }

  .process-step b {
    font-size: 2.1rem;
  }

  .process-step h3 {
    margin-top: 1rem;
    font-size: 1.55rem;
  }

  .process-step p {
    margin-top: 0.8rem;
    font-size: 1.18rem;
    line-height: 1.55;
  }

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

  .trust-grid div {
    min-height: 15.2rem;
    padding: 1.7rem 1.3rem 1.6rem;
    border-right: none;
    border-bottom: none;
  }

  .trust-grid div:nth-child(odd) {
    border-right: 1px solid rgba(17, 24, 39, 0.09);
  }

  .trust-grid div:nth-child(-n+2) {
    border-bottom: 1px solid rgba(17, 24, 39, 0.09);
  }

  .trust-grid div:last-child {
    border-right: none;
    border-bottom: none;
  }

  .trust-grid .trust-icon {
    position: static;
    width: 4.6rem;
    height: 4.6rem;
    margin-bottom: 1.1rem;
    transform: none;
  }

  .trust-grid div:hover .trust-icon {
    transform: translateY(-0.2rem) rotate(-2deg);
  }

  .trust-grid .trust-icon svg {
    width: 2.3rem;
    height: 2.3rem;
  }

  .trust-grid strong {
    font-size: 1.55rem;
  }

  .trust-grid span {
    margin-top: 0.5rem;
    font-size: 1.16rem;
    line-height: 1.45;
  }

  .service-project-tabs {
    grid-template-columns: repeat(2, 1fr);
    margin-bottom: 2rem;
  }

  .service-project-grid,
  .service-project-grid-compact {
    display: flex;
    grid-template-columns: none;
    max-width: none;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    gap: 1.6rem;
    padding: 1.6rem 0 0.6rem;
    -webkit-overflow-scrolling: touch;
  }

  .service-project-grid::-webkit-scrollbar,
  .service-project-grid-compact::-webkit-scrollbar {
    display: none;
  }

  .service-project-card {
    flex: 0 0 85vw;
    width: calc(85vw);
    max-width: 34rem;
    padding: 1.6rem;
    box-shadow: none;
    scroll-snap-align: start;
  }

  .service-project-card-head {
    min-height: auto;
  }

  .service-project-carousel-track {
    display: block;
    margin: 1.6rem auto 0;
    width: 12rem;
    height: 0.3rem;
    border-radius: 99rem;
    background: transparent;
    overflow: hidden;
  }

  .service-project-carousel-thumb {
    height: 100%;
    width: 25%;
    border-radius: 99rem;
    background: var(--blue);
    transition: width 0.25s ease, transform 0.25s ease;
    transform-origin: left;
  }

  .architecture-map {
    display: flex;
    flex-direction: column;
    grid-template-columns: 1fr;
  }

  .architecture-core {
    width: min(100%, 32rem);
    height: 32rem;
    margin: 0 auto 2rem;
  }

  .core-platform {
    width: 19rem;
    min-height: 18rem;
  }

  .core-badges {
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    bottom: 0.4rem;
  }

  .architecture-card ul {
    grid-template-columns: 1fr 1fr;
  }

  .architecture-card-track {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    gap: 1.6rem;
    padding: 0.4rem 0 0.6rem;
    -webkit-overflow-scrolling: touch;
  }

  .architecture-card-track::-webkit-scrollbar {
    display: none;
  }

  .architecture-card {
    flex: 0 0 85vw;
    width: calc(85vw);
    max-width: 36rem;
    min-height: 24rem;
    background: #fff;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    animation: none;
    scroll-snap-align: start;
  }

  .architecture-carousel-track {
    display: block;
    margin: 1.6rem auto 0;
    width: 12rem;
    height: 0.3rem;
    border-radius: 99rem;
    background: transparent;
    overflow: hidden;
  }

  .architecture-carousel-thumb {
    height: 100%;
    width: 25%;
    border-radius: 99rem;
    background: var(--blue);
    transition: width 0.25s ease, transform 0.25s ease;
    transform-origin: left;
  }

  .case-tabs {
    grid-template-columns: 1fr 1fr;
    margin: 3rem 0 2.6rem;
  }

  .case-tabs button {
    min-height: 5.2rem;
    font-size: 1.45rem;
  }

  .client-board {
    min-height: auto;
    margin-bottom: 3.2rem;
  }

  .client-logo-list {
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
  }

  .client-logo-list span {
    min-height: 14rem;
    padding: 2.4rem 1rem 2rem;
    font-size: 1.45rem;
  }

  .client-logo-list span::before {
    width: 8.8rem;
    height: 8.8rem;
    margin-bottom: 1.8rem;
    font-size: 1.55rem;
  }

  .client-logo-list span:hover {
    transform: translateY(-0.4rem);
  }

  .client-site-card {
    min-height: 16rem;
    gap: 0.9rem;
    padding: 0.7rem 0.7rem 1.2rem;
  }

  .client-site-card strong {
    font-size: 1.35rem;
  }

  .client-site-card:hover {
    transform: translateY(-0.4rem);
  }

  .case-feature {
    margin: 0;
    padding: 2rem;
    border-radius: 2rem;
  }

  .case-visual {
    min-height: 24rem;
  }

  .case-detail span {
    font-size: 2.2rem;
  }

  .case-detail h3 {
    font-size: 2.2rem;
  }

  .case-detail .btn {
    width: 100%;
  }

  .case-arrow {
    top: auto;
    bottom: 1.8rem;
    width: 4.8rem;
    height: 4.8rem;
    transform: none;
  }

  .case-arrow-prev {
    left: 2rem;
  }

  .case-arrow-next {
    right: 2rem;
  }

  .case-count {
    position: static;
    justify-content: center;
    margin-top: 2rem;
    padding-bottom: 5.8rem;
  }

  .article-card {
    grid-template-columns: minmax(0, 1fr) 11.2rem;
    gap: 0.52rem 1.35rem;
    min-height: 8rem;
    padding: 1.35rem 0;
    border-radius: 0;
  }

  .article-thumb {
    width: 11.2rem;
    height: 8rem;
    border-radius: 0.8rem;
  }

  .article-card h3 {
    font-size: 1.567rem;
    line-height: 1.42;
  }

  .article-tag,
  .article-meta time {
    font-size: 1.18rem;
  }

  .service-scale {
    padding: 4rem 0 4.4rem;
  }

  .service-scale::before {
    inset: auto auto 0 0;
    top: 0;
    width: min(22rem, 42vw);
  }

  .service-scale::after {
    left: 0;
    right: 0;
    bottom: 0;
    height: 0.1rem;
  }

  .scale-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
    margin-top: 4rem;
  }

  .scale-item {
    min-height: 17.2rem;
    padding: 1.7rem 1.3rem;
    border: 1px solid rgba(255, 255, 255, 0.78);
    border-radius: 1.8rem;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(1rem);
    -webkit-backdrop-filter: blur(1rem);
  }

  .scale-item strong {
    font-size: clamp(3.2rem, 10vw, 4.2rem);
  }

  .scale-item p {
    max-width: none;
    margin-top: 1.2rem;
    font-size: 1.22rem;
    line-height: 1.65;
  }

  .section {
    padding: 4rem 0;
  }

  .section-white {
    padding-bottom: 4rem;
  }

  .service-card,
  .feature-card,
  .contact-card {
    border-radius: 2rem;
  }

  .tab-buttons {
    flex-wrap: wrap;
  }

  .tc-slide {
    grid-template-columns: 1fr;
  }

  .tab-media {
    aspect-ratio: 16 / 9;
  }

  .contact-section {
    padding: 4rem 0;
  }

  .contact-card {
    padding: 2rem;
  }

  .contact-managers {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
    max-width: none;
    margin-top: 2rem;
  }

  .manager-card {
    grid-template-columns: 5.2rem minmax(0, 1fr);
    align-items: center;
    gap: 0.9rem;
    min-height: 6.6rem;
    padding: 1rem;
  }

  .manager-card img {
    width: 5.2rem;
    height: 5.2rem;
    max-width: none;
    border-radius: 1rem;
  }

  .manager-card strong {
    font-size: 1.45rem;
  }

  .manager-card span {
    font-size: 1.12rem;
  }

  .manager-card em {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    font-size: 1.08rem;
    line-height: 1.45;
  }

  .contact-form {
    padding: 1.4rem;
  }

  .footer-main {
    padding: 3.2rem 0 2.6rem;
  }

  .footer-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3rem 2rem;
  }

  .footer-follow {
    grid-column: 1 / -1;
  }

  .footer-column h3,
  .footer-follow h3 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
  }

  .footer-column a,
  .footer-column p {
    margin-bottom: 0.86rem;
    font-size: 1.3rem;
    line-height: 1.55;
  }

  .footer-cert {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .cert-item {
    grid-template-columns: 3.2rem minmax(0, 1fr);
    align-items: center;
    align-content: center;
    gap: 0.7rem;
    min-height: 6.6rem;
    padding: 0.85rem;
  }

  .cert-icon {
    width: 3.2rem;
    height: 3.2rem;
  }

  .cert-icon svg {
    width: 1.85rem;
    height: 1.85rem;
  }

  .cert-item em {
    margin-top: 0;
    font-size: 0.98rem;
  }

  .cert-item strong {
    margin-top: 0.18rem;
    font-size: 1.36rem;
    line-height: 1.3;
    white-space: normal;
  }

  .cert-item:first-child strong {
    font-size: 1.36rem;
  }

  .qr-box {
    width: 14rem;
  }

  .friend-links {
    gap: 0.9rem 1.6rem;
  }

  .footer-bottom {
    justify-content: flex-start;
  }
}

/* ── Testimonials ──────────────────────────────────────────── */
.testimonials-section {
  background: #050607;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.4rem;
}

.testimonial-carousel-track {
  display: none;
}

.testimonial-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 32.6rem;
  padding: 3.2rem 3.2rem 7.8rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0.6rem;
  background: #1f1f1f;
  box-shadow: none;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.18);
  background: #242424;
}

.testimonial-quote {
  display: none;
}

.testimonial-text {
  flex: 1;
  margin: 0;
  color: #fff;
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.72;
}

.testimonial-text::before {
  content: "“";
}

.testimonial-text::after {
  content: "”";
}

.testimonial-divider {
  display: none;
}

.testimonial-author {
  order: -1;
  display: block;
  margin-bottom: 3.2rem;
}

.testimonial-avatar {
  width: 6.4rem;
  height: 6.4rem;
  border-radius: 0.6rem;
  display: block;
  object-fit: cover;
  object-position: center;
  background: #2b2b2b;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 1.2rem 3rem rgba(0, 0, 0, 0.28);
}

.testimonial-info {
  position: absolute;
  left: 3.2rem;
  right: 12rem;
  bottom: 3rem;
  min-width: 0;
  color: #cbd5e1;
}

.testimonial-info strong {
  display: inline;
  font-size: 1.35rem;
  font-weight: 700;
  color: #d7dee8;
}

.testimonial-info strong::after {
  content: "，";
}

.testimonial-info em {
  display: inline;
  margin-top: 0;
  font-style: normal;
  font-size: 1.3rem;
  color: #aeb8c6;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
}

.testimonial-tag {
  position: absolute;
  right: 3.2rem;
  bottom: 2.8rem;
  padding: 0.48rem 1rem;
  border-radius: 99rem;
  background: rgba(30, 80, 226, 0.12);
  color: var(--blue-light);
  font-size: 1.2rem;
  font-weight: 700;
}

.testimonials-section .section-head h2 {
  color: #fff;
}

.testimonials-section .section-head p {
  color: #aeb8c6;
}

/* ── Partner Marquee ───────────────────────────────────────── */
.partner-marquee {
  overflow: hidden;
  margin-bottom: 6rem;
  mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 8%, #000 92%, transparent 100%);
}

.marquee-row {
  display: flex;
  margin-bottom: 1.4rem;
}

.marquee-row:last-child {
  margin-bottom: 0;
}

.marquee-track {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  gap: 1.4rem;
  animation: marquee-left 38s linear infinite;
  will-change: transform;
}

.marquee-row-reverse .marquee-track {
  animation: marquee-right 42s linear infinite;
}

.marquee-track img {
  flex: 0 0 auto;
  height: 7rem;
  width: auto;
  max-width: 15rem;
  object-fit: contain;
  border-radius: 1rem;
  background: #fff;
  padding: 1rem 1.6rem;
  border: 1px solid rgba(17, 24, 39, 0.07);
  box-shadow: 0 0.4rem 1.2rem rgba(17, 24, 39, 0.05);
  filter: grayscale(25%);
  transition: filter 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.marquee-track img:hover {
  filter: grayscale(0%);
  box-shadow: 0 1rem 2.8rem rgba(17, 24, 39, 0.13);
  transform: scale(1.07);
}

.partner-marquee:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee-left {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes marquee-right {
  from { transform: translateX(-50%); }
  to   { transform: translateX(0); }
}

@media (max-width: 1023px) {
  .testimonial-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .testimonial-card {
    min-height: 30rem;
  }
}

@media (max-width: 639px) {
  .testimonial-grid {
    display: flex;
    grid-template-columns: none;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    gap: 1.6rem;
    padding: 0.4rem 0 0.6rem;
    -webkit-overflow-scrolling: touch;
  }

  .testimonial-grid::-webkit-scrollbar {
    display: none;
  }

  .testimonial-card {
    flex: 0 0 85vw;
    width: calc(85vw);
    max-width: 34rem;
    min-height: auto;
    padding: 2.4rem;
    scroll-snap-align: start;
  }

  .testimonial-author {
    order: 2;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    margin: 2.4rem 0 0;
  }

  .testimonial-avatar {
    width: 4.4rem;
    height: 4.4rem;
    border-radius: 0.6rem;
  }

  .testimonial-info {
    position: static;
    flex: 1;
  }

  .testimonial-info strong,
  .testimonial-info em {
    display: block;
  }

  .testimonial-info strong::after {
    content: "";
  }

  .testimonial-tag {
    position: static;
    flex: 0 0 auto;
  }

  .testimonial-text {
    font-size: 1.55rem;
    font-weight: 760;
  }

  .testimonial-info em {
    white-space: normal;
  }

  .testimonial-carousel-track {
    display: block;
    margin: 1.6rem auto 0;
    width: 12rem;
    height: 0.3rem;
    border-radius: 99rem;
    background: transparent;
    overflow: hidden;
  }

  .testimonial-carousel-thumb {
    height: 100%;
    width: 16.6667%;
    border-radius: 99rem;
    background: var(--blue);
    transition: width 0.25s ease, transform 0.25s ease;
    transform-origin: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .architecture-card {
    animation: architectureFloat 4.8s linear infinite !important;
  }

  .marquee-track {
    animation: none !important;
    flex-wrap: wrap;
    justify-content: center;
  }

  .partner-marquee {
    mask-image: none;
    -webkit-mask-image: none;
  }

  .marquee-row-reverse .marquee-track > img:nth-child(n + 16) {
    display: none;
  }

  .marquee-track > img:nth-child(n + 18) {
    display: none;
  }
}

/* Back to top button */
.floating-service,
.back-to-top {
  position: fixed;
  right: 2.4rem;
  z-index: 9999;
  width: 4.4rem;
  height: 4.4rem;
  display: grid;
  place-items: center;
  border: none;
  border-radius: 1.2rem;
  color: #fff;
  box-shadow: 0 0.8rem 2rem rgba(30, 80, 226, 0.36);
  cursor: pointer;
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.28s ease, transform 0.28s ease, background 0.18s ease;
}

.floating-service {
  bottom: 14.2rem;
  background: linear-gradient(180deg, var(--blue-light) 0%, var(--blue) 55%, var(--blue-dark) 100%);
}

.back-to-top {
  bottom: 9rem;
  background: var(--blue);
}

.floating-service svg,
.back-to-top svg {
  width: 2.2rem;
  height: 2.2rem;
}

.floating-service:hover,
.back-to-top:hover {
  background: var(--blue-dark);
}

.floating-service.at-top,
.back-to-top.at-top {
  opacity: 0;
  pointer-events: none;
  transform: translateY(1rem);
}

/* ── Services page ─────────────────────────────────────── */
.services-page {
  background: #fff;
}

.services-page main section {
  scroll-margin-top: 11rem;
}

.services-hero {
  position: relative;
  overflow: hidden;
  min-height: 78svh;
  padding: 15rem 0 8rem;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(6, 18, 51, 0.94), rgba(6, 18, 51, 0.72) 42%, rgba(6, 18, 51, 0.35)),
    url("../images/hero-tech-office.webp") center / cover no-repeat,
    #061233;
}

.services-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(40rem, 0.72fr);
  gap: 6rem;
  align-items: center;
}

.services-hero-copy {
  max-width: 76rem;
}

.services-hero h1 {
  margin: 2rem 0 0;
  font-size: clamp(4.6rem, 7vw, 8rem);
  line-height: 1.02;
}

.services-hero p {
  max-width: 68rem;
  margin: 2.4rem 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 2rem;
}

.services-hero-panel {
  min-width: 0;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 2.8rem;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 2.4rem 8rem rgba(0, 0, 0, 0.26);
  overflow: hidden;
  backdrop-filter: blur(1.6rem);
  -webkit-backdrop-filter: blur(1.6rem);
}

.services-hero-panel img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.services-hero-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.services-hero-list span {
  display: flex;
  align-items: center;
  min-height: 5.8rem;
  padding: 1.4rem 1.6rem;
  background: rgba(6, 18, 51, 0.72);
  color: rgba(255, 255, 255, 0.88);
  font-weight: 800;
}

.service-type-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
}

.service-type-card,
.website-service-card,
.service-detail-card,
.choice-item,
.compare-card,
.faq-item {
  border: 1px solid rgba(17, 24, 39, 0.1);
  background: #fff;
}

.service-type-card {
  display: flex;
  flex-direction: column;
  min-height: 36rem;
  padding: 2.4rem;
  border-radius: 2.2rem;
  box-shadow: 0 1.6rem 4rem rgba(17, 24, 39, 0.06);
}

.service-type-icon {
  display: grid;
  place-items: center;
  width: 5.2rem;
  height: 5.2rem;
  border-radius: 1.6rem;
  color: #fff;
}

.service-type-icon svg {
  width: 2.6rem;
  height: 2.6rem;
}

.service-type-card h3,
.service-detail-card h3,
.compare-card h3 {
  margin: 1.8rem 0 0;
  font-size: 2.2rem;
  line-height: 1.28;
}

.service-type-card h3 a {
  margin-top: 0;
  color: inherit;
  font-weight: inherit;
}

.service-type-card p,
.service-detail-card p,
.choice-item p,
.compare-card p,
.faq-item p {
  color: var(--muted);
}

.service-type-card ul,
.compare-card ul {
  display: grid;
  gap: 0.8rem;
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  color: #344054;
  font-size: 1.45rem;
}

.service-type-card li,
.compare-card li {
  position: relative;
  padding-left: 1.8rem;
}

.service-type-card li::before,
.compare-card li::before {
  content: "";
  position: absolute;
  top: 0.78em;
  left: 0;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--blue);
}

.service-type-card a {
  margin-top: auto;
  color: var(--blue);
  font-weight: 900;
}

.services-band {
  background: #f5f8ff;
}

.website-service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.8rem;
}

.website-service-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-radius: 2rem;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.website-service-card:hover {
  transform: translateY(-0.4rem);
  border-color: rgba(30, 80, 226, 0.26);
}

.website-service-card img {
  display: block;
  width: 100%;
  height: clamp(18rem, 14vw, 24rem);
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.website-service-card span {
  display: block;
  padding: 1.8rem 1.8rem 0;
  color: var(--ink);
  font-size: 1.9rem;
  font-weight: 900;
}

.website-service-card p {
  margin: 0.8rem 0 0;
  padding: 0 1.8rem 2rem;
  color: var(--muted);
  font-size: 1.45rem;
}

.service-tabs {
  display: inline-flex;
  gap: 0.6rem;
  margin: 0 0 2.4rem;
  padding: 0.5rem;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 99rem;
  background: #f7f9fc;
}

.service-tabs button {
  border: 0;
  border-radius: 99rem;
  padding: 1rem 1.6rem;
  color: #475467;
  background: transparent;
  cursor: pointer;
  font-weight: 900;
}

.service-tabs button.active {
  color: #fff;
  background: var(--blue);
}

.service-tab-panel {
  display: none;
}

.service-tab-panel.active {
  display: block;
}

.service-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

.service-detail-card {
  border-radius: 2rem;
  overflow: hidden;
}

.service-detail-card > a {
  display: block;
}

.service-detail-card img {
  display: block;
  width: 100%;
  height: clamp(22rem, 20vw, 32rem);
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.service-detail-card h3,
.service-detail-card p {
  padding-left: 2rem;
  padding-right: 2rem;
}

.service-detail-card p {
  margin-bottom: 2rem;
}

.choice-grid,
.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.6rem;
}

.choice-item,
.compare-card,
.faq-item {
  border-radius: 1.8rem;
  padding: 2rem;
}

.choice-item strong,
.choice-item span {
  display: block;
}

.choice-item strong {
  color: var(--ink);
  font-size: 1.8rem;
  line-height: 1.35;
}

.choice-item span {
  margin-top: 1rem;
  color: var(--blue);
  font-weight: 900;
}

.services-process.process-line {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.faq-layout .section-head {
  margin-bottom: 0;
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 1.2rem;
}

.faq-item summary {
  cursor: pointer;
  color: var(--ink);
  font-size: 1.8rem;
  font-weight: 900;
}

.faq-item p {
  margin-bottom: 0;
}

@media (max-width: 1180px) {
  .services-hero-inner {
    grid-template-columns: 1fr;
  }

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

  .services-process.process-line {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .services-hero {
    min-height: auto;
    padding: 11rem 0 5rem;
  }

  .services-hero h1 {
    font-size: 4.4rem;
  }

  .services-hero p {
    font-size: 1.65rem;
  }

  .services-hero-panel {
    display: none;
  }

  .faq-list {
    grid-template-columns: 1fr;
  }

  .service-type-grid {
    display: flex;
    gap: 1.2rem;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 0.6rem;
    background: transparent;
    scrollbar-width: none;
  }

  .service-type-grid::-webkit-scrollbar {
    display: none;
  }

  .service-type-card {
    flex: 0 0 82%;
    min-height: 32rem;
    scroll-snap-align: start;
    box-shadow: none;
  }

  .website-service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
  }

  .website-service-card {
    border-radius: 1.4rem;
  }

  .website-service-card img {
    height: clamp(14rem, 36vw, 20rem);
  }

  .website-service-card span {
    padding: 1.2rem 1.2rem 0;
    font-size: 1.55rem;
  }

  .website-service-card p {
    padding: 0 1.2rem 1.4rem;
    font-size: 1.25rem;
    line-height: 1.55;
  }

  .service-tabs {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-radius: 1.4rem;
  }

  .service-tabs button {
    padding: 0.9rem 0.6rem;
    font-size: 1.25rem;
  }

  .service-detail-grid,
  .choice-grid,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .service-detail-card img {
    height: clamp(18rem, 50vw, 26rem);
  }

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

/* Service item detail page */
.service-project-detail-page {
  background: #fff;
}

.pd-hero {
  padding: 13rem 0 6rem;
  background: #021532;
}

.pd-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(34rem, 0.72fr);
  align-items: center;
  gap: 4rem;
}

.pd-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 2rem;
  color: rgba(255, 255, 255, 0.72);
  font-size: 1.35rem;
  font-weight: 800;
}

.pd-breadcrumb a,
.pd-breadcrumb em {
  color: inherit;
  font-style: normal;
}

.pd-hero h1 {
  margin: 1.2rem 0 1.4rem;
  color: #fff;
  font-size: clamp(3.4rem, 4.6vw, 5.8rem);
  line-height: 1.12;
}

.pd-hero-copy > p {
  max-width: 68rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.8rem;
}

.pd-cover-carousel {
  position: relative;
  margin: 0 0 2.2rem;
  overflow: visible;
}

.pd-cover-viewport {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 1.8rem;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 2rem 5rem rgba(0, 0, 0, 0.22);
}

.pd-cover-track {
  display: flex;
  height: 100%;
  transition: transform 0.55s ease;
}

.pd-cover-slide {
  flex: 0 0 100%;
  height: 100%;
  margin: 0;
}

.pd-cover-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pd-cover-indicators {
  position: absolute;
  left: 50%;
  bottom: -2.2rem;
  display: flex;
  gap: 1rem;
  transform: translateX(-50%);
}

.pd-cover-indicators button {
  position: relative;
  display: block;
  width: 4.8rem;
  height: 0.4rem;
  overflow: hidden;
  border: 0;
  border-radius: 99rem;
  padding: 0;
  background: rgba(148, 163, 184, 0.34);
  cursor: pointer;
}

.pd-cover-indicators button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(248, 250, 252, 0.96), rgba(203, 213, 225, 0.96));
  transform: scaleX(0);
  transform-origin: left center;
}

.pd-cover-indicators button.active::after {
  animation: heroIndicatorProgress 5.2s linear forwards;
}

.pd-section {
  padding-top: 6rem;
}

.pd-layout,
.pd-main {
  display: grid;
  gap: 2rem;
}

.pd-main {
  gap: 1.4rem;
}

.pd-detail-heading {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.pd-detail-heading::before {
  content: "";
  flex: 0 0 0.55rem;
  width: 0.55rem;
  height: 2.9rem;
  border-radius: 99rem;
  background: var(--red);
}

.pd-detail-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: 2.8rem;
  line-height: 1.2;
}

.pd-block {
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 1.8rem;
  padding: 2.8rem;
  background: #fff;
}

.pd-param-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
  margin: 2.4rem 0 0;
}

.pd-param-carousel-track {
  display: none;
}

.pd-param-grid div {
  border-radius: 1.2rem;
  padding: 1.6rem;
  background: rgba(255, 255, 255, 0.08);
}

.pd-param-grid dt {
  margin-bottom: 0.6rem;
  color: rgba(255, 255, 255, 0.58);
  font-size: 1.3rem;
  font-weight: 800;
}

.pd-param-grid dd {
  margin: 0;
  color: #fff;
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.55;
}

.pd-rich-text {
  color: #344054;
  font-size: 1.65rem;
  line-height: 1.85;
}

.pd-rich-text h3 {
  margin: 2.4rem 0 1rem;
  color: var(--ink);
  font-size: 2.2rem;
}

.pd-rich-text p,
.pd-rich-text ul {
  margin: 0 0 1.6rem;
}

.pd-rich-text img {
  width: 100%;
  margin-top: 1rem;
  border-radius: 1.4rem;
}

.pd-related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.6rem;
}

.pd-related-card {
  overflow: hidden;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 1.6rem;
  background: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pd-related-card:hover {
  transform: translateY(-0.35rem);
  box-shadow: 0 1.6rem 3.6rem rgba(15, 23, 42, 0.08);
}

.pd-related-card-media {
  width: 100%;
  height: clamp(16rem, 11vw, 20rem);
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #dfe7f1;
}

.pd-related-card > img {
  display: block;
  width: 100%;
  height: clamp(16rem, 11vw, 20rem);
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.pd-related-card-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pd-related-card span,
.pd-related-card p {
  display: block;
  padding-left: 1.8rem;
  padding-right: 1.8rem;
}

.pd-related-card span {
  padding-top: 1.6rem;
  color: var(--ink);
  font-size: 1.9rem;
  font-weight: 900;
}

.pd-related-card p {
  padding-bottom: 1.8rem;
  color: var(--muted);
  font-size: 1.45rem;
}

.pd-article-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.pd-article-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.2rem;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 1.4rem;
  padding: 1.45rem 1.6rem;
  background: #fff;
}

.pd-article-item strong {
  color: var(--ink);
  font-size: 1.55rem;
  line-height: 1.45;
}

.pd-article-item time {
  color: #98a2b3;
  font-weight: 800;
  white-space: nowrap;
}

@media (max-width: 960px) {
  .pd-hero-inner {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 680px) {
  .pd-hero {
    padding: 11rem 0 4rem;
  }

  .pd-hero h1 {
    font-size: 3.2rem;
  }

  .pd-hero-copy > p,
  .pd-rich-text {
    font-size: 1.5rem;
  }

  .pd-block {
    padding: 2rem;
  }

  .pd-detail-heading {
    gap: 1rem;
  }

  .pd-detail-heading::before {
    height: 2.5rem;
  }

  .pd-detail-heading h2 {
    font-size: 2.4rem;
  }

  .pd-param-grid {
    display: flex;
    grid-template-columns: none;
    gap: 1rem;
    margin-top: 1.8rem;
    overflow-x: auto;
    padding: 0 0 0.2rem;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .pd-param-grid::-webkit-scrollbar {
    display: none;
  }

  .pd-param-grid div {
    flex: 0 0 calc(40% - 0.8rem);
    min-width: 0;
    padding: 1.25rem;
    scroll-snap-align: start;
  }

  .pd-param-grid dt {
    margin-bottom: 0.45rem;
    font-size: 1.2rem;
  }

  .pd-param-grid dd {
    font-size: 1.25rem;
    line-height: 1.45;
  }

  .pd-param-carousel-track {
    display: block;
    width: 12rem;
    height: 0.3rem;
    margin: 1.4rem auto 2.2rem;
    overflow: hidden;
    border-radius: 99rem;
    background: transparent;
  }

  .pd-param-carousel-thumb {
    width: 16.6667%;
    height: 100%;
    border-radius: 99rem;
    background: var(--blue);
    transition: width 0.25s ease, transform 0.25s ease;
    transform-origin: left;
  }

  .pd-article-item {
    grid-template-columns: 1fr;
  }

  .pd-article-list,
  .pd-article-item {
    grid-template-columns: 1fr;
    gap: 0.6rem;
  }
}