:root {
  color-scheme: light;
  --ink: #15191f;
  --muted: #5f6874;
  --line: #dce2e7;
  --paper: #f6f8f8;
  --white: #ffffff;
  --red: #c91625;
  --red-dark: #8f0d19;
  --cyan: #14a4b8;
  --green: #4d7f54;
  --gold: #b88435;
  --graphite: #101923;
  --shadow: 0 18px 48px rgba(16, 25, 35, 0.14);
  --deep-shadow: 0 32px 90px rgba(7, 14, 22, 0.24);
  --glow-red: 0 0 34px rgba(201, 22, 37, 0.42);
  --glow-cyan: 0 0 34px rgba(20, 164, 184, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial,
    sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, #f7f9f9 0%, #eef4f4 48%, #f7f9f9 100%);
  letter-spacing: 0;
  overflow-x: hidden;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 28px;
  align-items: center;
  min-height: 74px;
  padding: 14px clamp(20px, 5vw, 72px);
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(8, 13, 18, 0.94), rgba(8, 13, 18, 0.74)),
    rgba(10, 16, 22, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(18px);
}

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

.brand-mark {
  width: 180px;
  height: 48px;
  display: block;
  object-fit: contain;
  filter: brightness(1.18) saturate(1.08);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.15;
}

.brand strong {
  font-size: 17px;
}

.brand small {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 11px;
}

.nav-links {
  display: flex;
  gap: 24px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

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

.nav-consult {
  display: none;
}

.header-cta,
.primary-action,
.secondary-action,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 700;
  white-space: nowrap;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.header-cta,
.primary-action,
.contact-form button {
  color: var(--white);
  background:
    linear-gradient(135deg, #f2323f, #c91625 54%, #8f0d19);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  cursor: pointer;
}

.menu-toggle span {
  grid-area: 1 / 1;
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition:
    transform 180ms ease,
    opacity 180ms ease;
}

.menu-toggle span:nth-child(1) {
  transform: translateY(-7px);
}

.menu-toggle span:nth-child(3) {
  transform: translateY(7px);
}

.site-header.is-menu-open .menu-toggle span:nth-child(1) {
  transform: rotate(45deg);
}

.site-header.is-menu-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.site-header.is-menu-open .menu-toggle span:nth-child(3) {
  transform: rotate(-45deg);
}

.secondary-action {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.32);
  background: rgba(255, 255, 255, 0.08);
}

.header-cta:hover,
.primary-action:hover,
.contact-form button:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(201, 22, 37, 0.28);
}

.secondary-action:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.15);
}

.hero {
  position: relative;
  display: grid;
  min-height: 92vh;
  overflow: hidden;
  color: var(--white);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -28% -10%;
  z-index: 1;
  height: 44%;
  background:
    radial-gradient(ellipse at 28% 28%, rgba(201, 22, 37, 0.26), transparent 34%),
    radial-gradient(ellipse at 78% 12%, rgba(20, 164, 184, 0.18), transparent 32%);
  filter: blur(8px);
  pointer-events: none;
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.02);
}

.hero-overlay {
  background:
    linear-gradient(
      90deg,
      rgba(8, 13, 19, 0.94) 0%,
      rgba(8, 13, 19, 0.72) 38%,
      rgba(8, 13, 19, 0.18) 74%
    ),
    linear-gradient(180deg, rgba(8, 13, 19, 0.16), rgba(8, 13, 19, 0.72));
}

.hero-data-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-data-layer {
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(20, 164, 184, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 22, 37, 0.1) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(90deg, #000 0%, transparent 62%);
}

.hero-data-layer span {
  position: absolute;
  left: 7%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #00f0ff;
  box-shadow: 0 0 16px rgba(0, 240, 255, 0.8);
  animation: nodePulse 3.2s ease-in-out infinite;
}

.hero-data-layer span:nth-child(1) {
  top: 31%;
  left: 21%;
}

.hero-data-layer span:nth-child(2) {
  top: 49%;
  left: 34%;
  animation-delay: 1.2s;
}

.hero-data-layer span:nth-child(3) {
  top: 68%;
  left: 16%;
  animation-delay: 2.1s;
}

.hero-content {
  position: relative;
  z-index: 2;
  align-self: center;
  width: min(880px, calc(100% - 40px));
  margin-left: clamp(20px, 7vw, 96px);
  padding-top: 92px;
}

.hero-content::before {
  content: "";
  position: absolute;
  inset: 48px auto auto -34px;
  width: 4px;
  height: 300px;
  border-radius: 999px;
  background: linear-gradient(180deg, transparent, var(--red), var(--cyan), transparent);
  box-shadow: var(--glow-red), var(--glow-cyan);
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
}

.hero h1 {
  margin: 0;
  font-size: clamp(40px, 4.7vw, 70px);
  line-height: 1.06;
  text-shadow:
    0 0 24px rgba(255, 255, 255, 0.12),
    0 18px 54px rgba(0, 0, 0, 0.48);
}

.hero h1 span {
  display: block;
  white-space: nowrap;
}

.subtitle {
  max-width: 620px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(20px, 2.2vw, 30px);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 680px;
  margin: 54px 0 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.hero-metrics div {
  padding: 18px;
  background: rgba(9, 16, 22, 0.46);
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.hero-metrics div:hover {
  background: rgba(201, 22, 37, 0.18);
  transform: translateY(-2px);
}

.hero-metrics dt {
  font-size: 22px;
  font-weight: 800;
}

.hero-metrics dd {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

.band,
.method,
.values,
.contact {
  padding: clamp(72px, 9vw, 118px) clamp(20px, 6vw, 82px);
}

.intro,
.scenarios {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(201, 22, 37, 0.035), transparent 34%),
    linear-gradient(180deg, #ffffff, #f8fbfb);
}

.intro::before,
.scenarios::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.5;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(16, 25, 35, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 25, 35, 0.04) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(90deg, transparent, #000 24%, #000 76%, transparent);
}

.intro > *,
.scenarios > * {
  position: relative;
  z-index: 1;
}

.intro,
.values,
.services,
.method,
.case-study,
.case-entry,
.scenarios,
.contact {
  scroll-margin-top: 74px;
}

.section-copy {
  display: grid;
  grid-template-columns: minmax(220px, 0.45fr) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  max-width: 1180px;
  margin: 0 auto 42px;
}

.section-copy h2,
.contact h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 58px);
  line-height: 1.08;
  text-wrap: balance;
}

.scenario-copy {
  display: block;
}

.scenario-copy h2 {
  max-width: none;
  white-space: nowrap;
  text-align: center;
}

.intro-layout {
  display: grid;
  grid-template-columns: minmax(340px, 0.68fr) minmax(320px, 0.42fr);
  gap: clamp(26px, 5vw, 76px);
  align-items: center;
  max-width: 1180px;
  margin: 0 auto 28px;
}

.compact-copy {
  grid-template-columns: 1fr;
  gap: 0;
  max-width: none;
  margin: 0 0 28px;
}

.compact-copy h2 {
  text-wrap: normal;
}

.intro-text {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.75;
}

.intro-note {
  margin-top: 18px;
  color: var(--cyan);
  font-size: clamp(16px, 1.6vw, 20px);
  font-weight: 700;
}

.signal-board {
  position: relative;
  overflow: hidden;
  min-height: 450px;
  padding: 30px;
  border-radius: 8px;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    radial-gradient(circle at 18% 24%, rgba(201, 22, 37, 0.28), transparent 28%),
    radial-gradient(circle at 82% 72%, rgba(20, 164, 184, 0.2), transparent 30%),
    linear-gradient(145deg, #24111a 0%, #101923 48%, #071015 100%);
  box-shadow: var(--deep-shadow);
}

.signal-board::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 36px 36px;
  opacity: 0.5;
}

.signal-header,
.signal-core,
.signal-rows {
  position: relative;
  z-index: 1;
}

.signal-header {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.signal-header strong {
  font-size: 20px;
  line-height: 1.1;
  white-space: nowrap;
}

.signal-header span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
  white-space: nowrap;
}

.signal-core {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1fr;
  gap: 10px;
  margin: 24px 0;
}

.signal-node {
  display: grid;
  min-height: 58px;
  place-items: center;
  border: 1px solid rgba(20, 164, 184, 0.2);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.76);
  background: rgba(255, 255, 255, 0.06);
  font-size: 13px;
  font-weight: 700;
}

.primary-node {
  grid-row: span 2;
  gap: 6px;
  color: var(--white);
  background:
    radial-gradient(circle at 30% 18%, rgba(255, 255, 255, 0.16), transparent 36%),
    linear-gradient(135deg, rgba(201, 22, 37, 0.88), rgba(20, 164, 184, 0.54));
  box-shadow: 0 16px 34px rgba(201, 22, 37, 0.22);
}

.primary-node b {
  font-size: 34px;
  line-height: 1;
  transform: translateY(14px);
}

.primary-node span {
  color: rgba(255, 255, 255, 0.78);
  font-size: 12px;
}

.signal-rows {
  display: grid;
  gap: 16px;
}

.signal-rows div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 12px;
  align-items: center;
}

.signal-rows span,
.signal-rows b {
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
}

.signal-rows b {
  color: var(--white);
}

.signal-rows div::before,
.signal-rows div::after {
  content: "";
  grid-column: 1 / -1;
  grid-row: 2;
  height: 8px;
  border-radius: 999px;
}

.signal-rows div::before {
  background: rgba(255, 255, 255, 0.12);
}

.signal-rows div::after {
  width: 0;
  background: linear-gradient(90deg, var(--red), var(--cyan));
}

.signal-board.is-visible .signal-rows div::after {
  width: var(--w);
  transition: width 1.35s cubic-bezier(0.18, 0.82, 0.22, 1);
}

.values {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 14% 18%, rgba(201, 22, 37, 0.22), transparent 28%),
    radial-gradient(circle at 86% 32%, rgba(20, 164, 184, 0.16), transparent 24%),
    linear-gradient(135deg, #081017, #101923 56%, #070b10);
}

.values::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.32;
  background-image:
    linear-gradient(120deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(30deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 88px 88px;
  pointer-events: none;
}

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

.value-heading {
  max-width: 1180px;
  margin: 0 auto 32px;
  text-align: center;
}

.value-heading h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.08;
}

.vertical-stack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.8vw, 32px);
  max-width: 1180px;
  margin: 0 auto;
}

.values article,
.service-list article {
  border: 1px solid rgba(16, 25, 35, 0.12);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.values article {
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 18px;
  align-items: start;
  min-height: 330px;
  padding: clamp(28px, 3vw, 38px);
  background:
    radial-gradient(circle at 16% 12%, rgba(201, 22, 37, 0.12), transparent 34%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.99), rgba(241, 249, 250, 0.92)),
    var(--white);
  backdrop-filter: blur(12px);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease;
}

.values article:hover,
.service-list article:hover {
  border-color: rgba(201, 22, 37, 0.34);
  transform: translateY(-6px);
  box-shadow: 0 22px 58px rgba(16, 25, 35, 0.16);
}

.value-icon {
  position: relative;
  display: grid;
  width: 86px;
  height: 86px;
  place-items: center;
  border: 1px solid rgba(201, 22, 37, 0.24);
  border-radius: 8px;
  color: var(--red);
  background:
    radial-gradient(circle at 28% 20%, rgba(255, 255, 255, 0.9), transparent 38%),
    linear-gradient(135deg, rgba(201, 22, 37, 0.16), rgba(20, 164, 184, 0.14));
  box-shadow:
    0 18px 36px rgba(201, 22, 37, 0.12),
    inset 0 0 0 1px rgba(255, 255, 255, 0.64);
  transition:
    transform 220ms ease,
    color 220ms ease,
    background 220ms ease,
    box-shadow 220ms ease;
}

.icon-mask {
  display: block;
  background: currentColor;
  mask: var(--icon) center / contain no-repeat;
}

.icon-value-precision {
  --icon: url("assets/icons/value-precision.svg");
}

.icon-value-resilience {
  --icon: url("assets/icons/value-resilience.svg");
}

.icon-value-evolution {
  --icon: url("assets/icons/value-evolution.svg");
}

.value-icon .icon-mask {
  width: 48px;
  height: 48px;
}

.values article:hover .value-icon {
  color: var(--white);
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.28), transparent 40%),
    linear-gradient(135deg, var(--red), var(--cyan));
  box-shadow:
    0 20px 42px rgba(20, 164, 184, 0.2),
    0 0 28px rgba(201, 22, 37, 0.22);
  transform: translateY(-3px) scale(1.04);
}

.values h3 {
  margin: 8px 0 0;
  color: var(--ink);
  font-size: clamp(30px, 3vw, 42px);
  line-height: 1;
}

.values p,
.method p,
.contact p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.values p {
  max-width: 330px;
  font-size: 16px;
}

.services {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 14% 12%, rgba(201, 22, 37, 0.24), transparent 28%),
    radial-gradient(circle at 86% 38%, rgba(20, 164, 184, 0.2), transparent 26%),
    linear-gradient(135deg, #081017, #101923 58%, #070b10);
}

.services::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.34;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
}

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

.services .section-copy h2 {
  color: var(--white);
}

.services .section-copy p:not(.section-kicker) {
  max-width: 760px;
  margin: 18px auto 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 18px;
  line-height: 1.75;
}

.service-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.service-list article {
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: 14px;
  min-height: 238px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(16, 25, 35, 0.12);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(246, 251, 251, 0.92)),
    var(--white);
  box-shadow: 0 14px 34px rgba(16, 25, 35, 0.08);
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease;
}

.service-list article::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0%, rgba(20, 164, 184, 0.1) 48%, transparent 64%);
  transform: translateX(-120%);
  transition: transform 520ms ease;
  pointer-events: none;
}

.service-list article:hover::after {
  transform: translateX(120%);
}

.service-icon {
  display: grid;
  width: 60px;
  height: 60px;
  place-items: center;
  border: 1px solid rgba(201, 22, 37, 0.2);
  border-radius: 8px;
  color: var(--red);
  background:
    radial-gradient(circle at 28% 18%, rgba(201, 22, 37, 0.16), transparent 42%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(239, 247, 248, 0.72));
  box-shadow: 0 12px 28px rgba(201, 22, 37, 0.08);
  transition:
    color 220ms ease,
    background 220ms ease,
    border-color 220ms ease,
    transform 220ms ease,
    box-shadow 220ms ease;
}

.icon-service-rpa {
  --icon: url("assets/icons/service-rpa.svg");
}

.icon-service-workflow {
  --icon: url("assets/icons/service-workflow.svg");
}

.icon-service-leads {
  --icon: url("assets/icons/service-leads.svg");
}

.icon-service-support {
  --icon: url("assets/icons/service-support.svg");
}

.icon-service-commerce {
  --icon: url("assets/icons/service-commerce.svg");
}

.icon-service-analytics {
  --icon: url("assets/icons/service-analytics.svg");
}

.service-icon .icon-mask {
  width: 32px;
  height: 32px;
}

.service-list h3 {
  margin: 4px 0 8px;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.28;
}

.service-list p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.service-list article:hover {
  border-color: rgba(20, 164, 184, 0.38);
  transform: translateY(-6px);
  box-shadow:
    0 22px 58px rgba(16, 25, 35, 0.15),
    0 0 0 1px rgba(20, 164, 184, 0.08);
}

.service-list article:hover .service-icon {
  color: var(--white);
  border-color: rgba(20, 164, 184, 0.58);
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.26), transparent 42%),
    linear-gradient(135deg, var(--cyan), var(--red));
  box-shadow:
    0 18px 36px rgba(20, 164, 184, 0.24),
    0 0 26px rgba(201, 22, 37, 0.18);
  transform: translateY(-2px) scale(1.04);
}

.tools {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 12% 12%, rgba(201, 22, 37, 0.2), transparent 28%),
    radial-gradient(circle at 86% 34%, rgba(20, 164, 184, 0.18), transparent 28%),
    linear-gradient(135deg, #070d12, #101923 58%, #080b10);
}

.tools::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.3;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, #000, transparent 90%);
}

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

.tools-copy {
  display: block;
  max-width: 960px;
  text-align: center;
}

.tools-copy h2 {
  color: var(--white);
}

.tools-copy p:not(.section-kicker) {
  max-width: 780px;
  margin: 18px auto 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 18px;
  line-height: 1.8;
}

.tool-suite {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  max-width: 1180px;
  margin: 0 auto;
}

.tool-grid {
  display: contents;
}

.tool-card {
  position: relative;
  isolation: isolate;
  display: grid;
  align-content: start;
  gap: 13px;
  min-height: 258px;
  padding: 24px;
  padding-top: 26px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.045)),
    rgba(255, 255, 255, 0.06);
  box-shadow: var(--deep-shadow);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease,
    border-color 220ms ease,
    background 220ms ease;
}

.tool-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  z-index: -1;
  opacity: 0;
  background: linear-gradient(135deg, rgba(201, 22, 37, 0.38), rgba(20, 164, 184, 0.28));
  transition: opacity 220ms ease;
}

.tool-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(110deg, transparent 0%, rgba(255, 255, 255, 0.1) 48%, transparent 64%);
  transform: translateX(-120%);
  transition: transform 560ms ease;
}

.tool-card:hover {
  border-color: rgba(20, 164, 184, 0.46);
  transform: translateY(-5px);
  box-shadow:
    0 28px 76px rgba(0, 0, 0, 0.34),
    0 0 32px rgba(20, 164, 184, 0.12);
}

.tool-card:hover::before {
  opacity: 0.2;
}

.tool-card:hover::after {
  transform: translateX(120%);
}

.tool-card-feature {
  min-height: 258px;
  padding: 24px;
  background:
    radial-gradient(circle at 20% 15%, rgba(201, 22, 37, 0.28), transparent 34%),
    radial-gradient(circle at 84% 76%, rgba(20, 164, 184, 0.24), transparent 34%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.055));
}

.tool-card-feature h3 {
  font-size: 24px;
  line-height: 1.22;
}

.tool-card-feature p {
  max-width: none;
  font-size: 15px;
}

.tool-icon {
  display: grid;
  width: 58px;
  height: 58px;
  place-items: center;
  border: 1px solid rgba(20, 164, 184, 0.32);
  border-radius: 8px;
  color: var(--cyan);
  background:
    radial-gradient(circle at 28% 20%, rgba(255, 255, 255, 0.24), transparent 42%),
    rgba(255, 255, 255, 0.08);
  box-shadow:
    0 16px 34px rgba(20, 164, 184, 0.14),
    inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.tool-icon-mask {
  display: block;
  width: 31px;
  height: 31px;
  background: currentColor;
  mask: var(--icon) center / contain no-repeat;
}

.tool-tag {
  position: absolute;
  top: 26px;
  right: 24px;
  width: fit-content;
  padding: 6px 10px;
  border: 1px solid rgba(201, 22, 37, 0.28);
  border-radius: 6px;
  color: #ff5a66;
  background: rgba(201, 22, 37, 0.1);
  font-size: 12px;
  font-weight: 900;
}

.tool-card h3 {
  margin: 0;
  color: var(--white);
  font-size: 24px;
  line-height: 1.22;
}

.tool-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 15px;
  line-height: 1.65;
}

.tool-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 12px;
}

.tool-chips span {
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.76);
  background: rgba(255, 255, 255, 0.07);
  font-size: 13px;
  font-weight: 800;
}

.tool-bottom {
  max-width: 1180px;
  margin: 22px auto 0;
}

.connect-panel {
  display: grid;
  gap: 18px;
  align-content: center;
  justify-items: center;
  width: min(1180px, 100%);
  min-height: 0;
  margin: 0 auto 36px;
  padding: 4px 0 28px;
}

.connect-panel > span {
  color: var(--white);
  font-size: clamp(24px, 2.3vw, 32px);
  font-weight: 900;
  line-height: 1.15;
  text-shadow: 0 0 22px rgba(20, 164, 184, 0.22);
}

.connect-panel div {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(22px, 4vw, 50px);
}

.connect-panel b {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-width: 72px;
  min-height: 62px;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: rgba(255, 255, 255, 0.82);
  background: transparent;
  font-size: 14px;
  line-height: 1.2;
  box-shadow: none;
}

.connect-icon {
  display: block;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  background: currentColor;
  mask: var(--icon) center / contain no-repeat;
}

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

.package-list article {
  display: grid;
  gap: 10px;
  align-content: start;
  min-height: 220px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04)),
    rgba(255, 255, 255, 0.05);
  transition:
    transform 220ms ease,
    border-color 220ms ease,
    background 220ms ease;
}

.package-list article:hover {
  border-color: rgba(201, 22, 37, 0.36);
  transform: translateY(-4px);
  background:
    linear-gradient(145deg, rgba(201, 22, 37, 0.16), rgba(20, 164, 184, 0.08)),
    rgba(255, 255, 255, 0.06);
}

.package-list article > span {
  width: fit-content;
  padding: 6px 10px;
  border: 1px solid rgba(20, 164, 184, 0.32);
  border-radius: 6px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
}

.package-list h3 {
  margin: 0;
  color: var(--white);
  font-size: 24px;
  line-height: 1.16;
}

.package-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.65;
}

.method {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(20, 164, 184, 0.07), transparent 34%),
    #edf2f3;
}

.method::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    transparent 0,
    transparent 78px,
    rgba(16, 25, 35, 0.035) 79px
  );
  pointer-events: none;
}

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

.method .section-copy,
.services .section-copy {
  display: block;
  text-align: center;
}

.method .section-copy h2,
.services .section-copy h2 {
  max-width: 760px;
  margin: 0 auto;
}

.method .section-copy h2 {
  max-width: none;
}

.method .section-copy > p {
  max-width: 760px;
  margin: 22px auto 0;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 30px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.timeline li {
  position: relative;
  min-height: 0;
  padding: 24px 22px 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  transition:
    transform 220ms ease,
    box-shadow 220ms ease;
}

.timeline li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 35px;
  right: -28px;
  width: 26px;
  height: 26px;
  background-color: var(--red);
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12h14'/%3E%3Cpath d='m13 6 6 6-6 6'/%3E%3C/svg%3E") center / contain no-repeat;
}

.timeline li:not(:last-child)::before {
  display: none;
}

.timeline li:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.timeline span {
  display: block;
  margin-bottom: 18px;
  color: var(--ink);
  font-size: 22px;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
}

.timeline span::before {
  content: none;
}

.timeline {
  counter-reset: method-step;
}

.timeline li {
  counter-increment: method-step;
}

.scenario-list {
  display: grid;
  max-width: 1180px;
  margin: 0 auto;
  border-top: 1px solid var(--line);
}

.scenarios {
  padding-top: clamp(100px, 11vw, 145px);
  padding-bottom: clamp(100px, 11vw, 145px);
}

.case-study {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 92% 5%, rgba(20, 164, 184, 0.11), transparent 22%),
    linear-gradient(180deg, #f8fbfb 0%, #eef3f3 100%);
}

.case-entry {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(420px, 1fr);
  gap: clamp(34px, 6vw, 88px);
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 12% 20%, rgba(201, 22, 37, 0.3), transparent 30%),
    radial-gradient(circle at 88% 74%, rgba(20, 164, 184, 0.2), transparent 28%),
    linear-gradient(140deg, #201018, #101923 52%, #071015);
}

.case-carousel {
  position: relative;
  overflow: hidden;
  scroll-margin-top: 74px;
  background: #101923;
}

.case-carousel-viewport {
  overflow: hidden;
  touch-action: pan-y;
}

.case-carousel-track {
  display: flex;
  align-items: stretch;
  transition: transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.case-carousel .case-slide {
  width: 100%;
  min-width: 100%;
  min-height: clamp(820px, 84vh, 960px);
  flex: 0 0 100%;
  padding-top: clamp(124px, 11vw, 170px);
  padding-bottom: clamp(124px, 11vw, 170px);
}

.case-carousel-controls {
  display: flex;
  align-items: center;
  width: fit-content;
  margin-top: 24px;
  padding: 0;
  color: var(--white);
  background: transparent;
}

.case-entry-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
  margin-top: 44px;
}

.case-entry-actions .case-entry-link,
.case-entry-actions .case-carousel-controls {
  margin-top: 0;
}

.case-carousel-next {
  display: inline-flex;
  gap: 18px;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  color: var(--white);
  background: transparent;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.case-carousel-next:hover {
  border-color: rgba(255, 255, 255, 0.76);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}

.case-carousel-next span {
  font-size: 20px;
  font-weight: 500;
}

.case-entry::before {
  content: "CASE / 01";
  position: absolute;
  top: 22px;
  right: -12px;
  color: rgba(255, 255, 255, 0.035);
  font-size: clamp(90px, 15vw, 220px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.08em;
}

.case-entry > * {
  position: relative;
  z-index: 1;
}

.case-entry-copy {
  justify-self: end;
  width: min(540px, 100%);
}

.case-entry-copy .case-label {
  color: #ff7f89;
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.07);
}

.case-entry-copy h2 {
  margin: 0;
  font-size: clamp(38px, 4vw, 52px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  white-space: nowrap;
}

.case-entry-heading {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 30px;
}

.case-entry-type {
  display: grid;
  gap: 7px;
  padding-left: 16px;
  border-left: 4px solid var(--red);
}

.case-entry-type b {
  color: var(--white);
  font-size: 24px;
  line-height: 1.1;
  white-space: nowrap;
}

.case-entry-type small {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.case-entry-copy > p:not(.section-kicker) {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 18px;
  line-height: 1.85;
}


.case-entry-link {
  display: inline-flex;
  gap: 18px;
  align-items: center;
  min-height: 48px;
  margin-top: 30px;
  padding: 0 20px;
  border-radius: 8px;
  background: linear-gradient(135deg, #f2323f, var(--red) 58%, var(--red-dark));
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.case-entry-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(201, 22, 37, 0.3);
}

.case-entry-link span {
  font-size: 20px;
}

.case-entry-flow {
  width: min(640px, 100%);
  padding: clamp(32px, 4vw, 48px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(6, 13, 19, 0.66);
  box-shadow: var(--deep-shadow);
  backdrop-filter: blur(16px);
}

.case-entry-flow > span {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.case-entry-flow ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 22px 0 0;
  padding: 1px;
  list-style: none;
  background: rgba(255, 255, 255, 0.12);
}

.case-entry-flow li {
  display: grid;
  gap: 22px;
  min-height: 142px;
  padding: 24px;
  background: rgba(10, 18, 25, 0.94);
}

.case-entry-flow li b {
  color: var(--red);
  font-size: 26px;
}

.case-entry-flow li strong {
  font-size: 21px;
  line-height: 1.4;
}

.case-entry-flow > p {
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
  text-align: right;
}

.whatsapp-web-demo {
  width: min(680px, 100%);
  padding: 18px;
  border-color: rgba(255, 255, 255, 0.13);
  background: rgba(7, 15, 19, 0.78);
}

.wa-demo-topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 2px 2px 15px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.11em;
}

.wa-demo-topbar b {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: #62dfa1;
  font-size: 9px;
}

.wa-demo-topbar b i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #25d366;
  box-shadow: 0 0 12px rgba(37, 211, 102, 0.9);
  animation: waStatusPulse 1.8s ease-in-out infinite;
}

.wa-demo-window {
  display: grid;
  grid-template-columns: 0.34fr 1fr;
  min-height: 430px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  background: #efeae2;
}

.wa-demo-sidebar {
  padding: 13px 0;
  color: #24322e;
  border-right: 1px solid rgba(25, 42, 37, 0.12);
  background: #f4f7f5;
}

.wa-search {
  margin: 0 10px 11px;
  padding: 9px 10px;
  border-radius: 5px;
  color: #82908b;
  background: #e9eeeb;
  font-size: 8px;
  white-space: nowrap;
  overflow: hidden;
}

.wa-contact {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  padding: 12px 10px;
  border-bottom: 1px solid rgba(25, 42, 37, 0.08);
}

.wa-contact.is-current {
  background: #e4eee9;
}

.wa-contact.is-muted {
  opacity: 0.48;
}

.wa-contact > i,
.wa-chat-head > i {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: #2a9d70;
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
}

.wa-contact span,
.wa-chat-head span,
.wa-file span {
  min-width: 0;
}

.wa-contact b,
.wa-contact small,
.wa-chat-head b,
.wa-chat-head small,
.wa-file small {
  display: block;
}

.wa-contact b {
  overflow: hidden;
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wa-contact small {
  margin-top: 4px;
  overflow: hidden;
  color: #76827e;
  font-size: 7px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wa-demo-chat {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-width: 0;
  color: #22302c;
}

.wa-chat-head {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  gap: 9px;
  align-items: center;
  min-height: 58px;
  padding: 10px 13px;
  background: #f0f2f1;
  border-bottom: 1px solid rgba(25, 42, 37, 0.1);
}

.wa-chat-head b {
  font-size: 10px;
}

.wa-chat-head small {
  margin-top: 3px;
  color: #6c7975;
  font-size: 8px;
}

.wa-chat-head em {
  padding: 6px 8px;
  border-radius: 999px;
  color: #147a4b;
  background: rgba(37, 211, 102, 0.13);
  font-size: 8px;
  font-style: normal;
  font-weight: 900;
  white-space: nowrap;
}

.wa-message-list {
  position: relative;
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  gap: 9px;
  padding: 18px;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.72), transparent 24%),
    linear-gradient(135deg, rgba(205, 195, 181, 0.22), rgba(255, 255, 255, 0.14));
}

.wa-message-list::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image: radial-gradient(rgba(72, 91, 84, 0.5) 0.8px, transparent 0.8px);
  background-size: 17px 17px;
  pointer-events: none;
}

.wa-message {
  position: relative;
  z-index: 1;
  max-width: 82%;
  padding: 10px 12px 8px;
  border-radius: 7px;
  background: #ffffff;
  box-shadow: 0 2px 7px rgba(27, 45, 39, 0.1);
  font-size: 10px;
  line-height: 1.5;
  animation: waMessageEnter 520ms ease both;
}

.wa-message:nth-child(2) { animation-delay: 320ms; }
.wa-message:nth-child(3) { animation-delay: 640ms; }
.wa-message:nth-child(4) { animation-delay: 960ms; }

.wa-message.is-outgoing {
  align-self: flex-end;
  background: #d9fdd3;
}

.wa-message > small {
  display: block;
  margin-top: 4px;
  color: #77827e;
  font-size: 7px;
  text-align: right;
}

.wa-file {
  display: flex;
  gap: 9px;
  align-items: center;
}

.wa-file > b {
  display: grid;
  width: 34px;
  height: 38px;
  place-items: center;
  border-radius: 4px;
  color: var(--white);
  background: #d94a4a;
  font-size: 8px;
}

.wa-file span {
  font-weight: 800;
}

.wa-file small {
  margin-top: 3px;
  color: #77827e;
  font-size: 7px;
  font-weight: 500;
}

.wa-typing {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 4px;
  align-items: center;
  min-height: 28px;
  padding: 8px 11px;
  border-radius: 7px;
  background: #ffffff;
  box-shadow: 0 2px 7px rgba(27, 45, 39, 0.1);
}

.wa-typing i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #7d8985;
  animation: waTyping 1.1s ease-in-out infinite;
}

.wa-typing i:nth-child(2) { animation-delay: 140ms; }
.wa-typing i:nth-child(3) { animation-delay: 280ms; }

.wa-composer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  min-height: 46px;
  padding: 8px 12px;
  color: #77827e;
  background: #f0f2f1;
  font-size: 8px;
}

.wa-composer span {
  flex: 1;
  padding: 8px 10px;
  border-radius: 999px;
  background: #ffffff;
}

.wa-composer b {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: #1fa463;
  font-size: 10px;
}

@keyframes waMessageEnter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes waTyping {
  0%, 65%, 100% { opacity: 0.36; transform: translateY(0); }
  32% { opacity: 1; transform: translateY(-2px); }
}

@keyframes waStatusPulse {
  0%, 100% { opacity: 0.55; transform: scale(0.9); }
  50% { opacity: 1; transform: scale(1.12); }
}

.case-page-main {
  padding-top: 74px;
  background: #eef3f3;
}

.case-page-main .case-study {
  padding-top: clamp(54px, 7vw, 90px);
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: 1180px;
  margin: 0 auto 42px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.case-back:hover {
  color: var(--red);
}

.case-study::before {
  content: "CASE / 01";
  position: absolute;
  top: 48px;
  right: -16px;
  color: rgba(16, 25, 35, 0.035);
  font-size: clamp(88px, 14vw, 210px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.08em;
  pointer-events: none;
}

.case-study > * {
  position: relative;
  z-index: 1;
}

.case-heading {
  display: grid;
  grid-template-columns: minmax(210px, 0.38fr) minmax(0, 1fr);
  gap: clamp(28px, 6vw, 86px);
  max-width: 1180px;
  margin: 0 auto 48px;
}

.case-heading .section-kicker {
  margin-bottom: 14px;
}

.case-label {
  display: inline-flex;
  padding: 8px 12px;
  border: 1px solid rgba(201, 22, 37, 0.22);
  border-radius: 6px;
  color: var(--red);
  background: rgba(255, 255, 255, 0.66);
  font-size: 13px;
  font-weight: 800;
}

.case-heading h1,
.case-heading h2 {
  margin: 0;
  font-size: clamp(34px, 4.5vw, 62px);
  line-height: 1.08;
  text-wrap: balance;
}

.case-heading > div:last-child > p {
  max-width: 800px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}


.case-opening {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.68fr);
  gap: clamp(30px, 5vw, 72px);
  align-items: center;
  max-width: 1180px;
  margin: 0 auto 24px;
  padding: clamp(32px, 5vw, 64px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: var(--white);
  background:
    radial-gradient(circle at 12% 18%, rgba(201, 22, 37, 0.32), transparent 30%),
    radial-gradient(circle at 88% 72%, rgba(20, 164, 184, 0.2), transparent 30%),
    linear-gradient(140deg, #201018, #101923 52%, #071015);
  box-shadow: var(--deep-shadow);
}

.case-opening::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 42px 42px;
  pointer-events: none;
}

.case-opening > * {
  position: relative;
  z-index: 1;
}

.case-opening-copy > span {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
}

.case-opening blockquote {
  margin: 18px 0 20px;
  font-size: clamp(23px, 2.4vw, 34px);
  font-weight: 850;
  line-height: 1.35;
}

.case-opening-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 16px;
  line-height: 1.8;
}

.case-dashboard {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(6, 13, 19, 0.7);
  box-shadow: 0 24px 54px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(16px);
}

.dashboard-head,
.dashboard-row,
.dashboard-summary {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
}

.dashboard-head {
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  font-weight: 800;
}

.dashboard-head b {
  color: var(--cyan);
  font-size: 10px;
  letter-spacing: 0.12em;
}

.dashboard-row {
  padding: 17px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.dashboard-row strong {
  position: relative;
  padding-left: 14px;
  color: #77d7b0;
  font-size: 12px;
  white-space: nowrap;
}

.dashboard-row strong::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 10px currentColor;
  transform: translateY(-50%);
}

.dashboard-summary {
  margin-top: 18px;
  padding: 16px;
  border-radius: 6px;
  background: linear-gradient(110deg, rgba(201, 22, 37, 0.28), rgba(20, 164, 184, 0.16));
}

.dashboard-summary span {
  color: rgba(255, 255, 255, 0.58);
  font-size: 12px;
}

.dashboard-summary b {
  font-size: 14px;
  text-align: right;
}

.case-block {
  max-width: 1180px;
  margin: 24px auto 0;
  padding: clamp(28px, 4vw, 48px);
  border: 1px solid rgba(16, 25, 35, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 16px 42px rgba(16, 25, 35, 0.08);
}

.case-block-title {
  display: flex;
  gap: 18px;
  align-items: center;
}

.case-block-title > span {
  display: grid;
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 8px;
  color: var(--white);
  background: linear-gradient(135deg, var(--red), var(--red-dark));
  box-shadow: 0 12px 28px rgba(201, 22, 37, 0.24);
  font-size: 18px;
  font-weight: 900;
}

.case-block-title p {
  margin: 0 0 6px;
  color: var(--cyan);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.case-block-title h2,
.case-block-title h3 {
  margin: 0;
  font-size: clamp(25px, 3vw, 38px);
  line-height: 1.14;
}

.case-block-intro {
  width: 100%;
  max-width: none;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

@media (min-width: 1240px) {
  .case-challenge > .case-block-intro,
  .case-solution > .case-block-intro {
    font-size: 16px;
    white-space: nowrap;
  }
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 30px;
}

.challenge-grid article {
  min-height: 180px;
  padding: 24px;
  border-top: 3px solid var(--red);
  background: #f2f6f6;
}

.challenge-grid article > span {
  color: var(--red);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.challenge-grid h3,
.challenge-grid h4,
.recruitment-flow h3,
.recruitment-flow h4 {
  margin: 14px 0 8px;
  font-size: 20px;
}

.challenge-grid p,
.recruitment-flow p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.collaboration-card > p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.case-solution {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.12);
  background:
    radial-gradient(circle at 86% 20%, rgba(20, 164, 184, 0.17), transparent 26%),
    linear-gradient(140deg, #101923, #071015);
  box-shadow: var(--deep-shadow);
}

.case-solution .case-block-intro,
.case-solution .recruitment-flow p {
  color: rgba(255, 255, 255, 0.65);
}

.case-poster-showcase {
  margin-top: 34px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(201, 22, 37, 0.08), rgba(20, 164, 184, 0.08)),
    rgba(5, 11, 17, 0.58);
}

.poster-showcase-heading {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1fr);
  gap: 30px;
  align-items: end;
  margin-bottom: 26px;
}

.poster-showcase-heading small {
  color: var(--cyan);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.poster-showcase-heading h3 {
  margin: 8px 0 0;
  color: var(--white);
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.2;
}

.poster-showcase-heading p {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  line-height: 1.7;
}

.poster-grid {
  display: grid;
  grid-template-columns: 1.18fr 1.03fr 0.81fr;
  gap: 16px;
  align-items: end;
}

.poster-grid figure {
  display: grid;
  gap: 10px;
  margin: 0;
}

.poster-grid img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 6px;
  background: #071015;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.3);
}

.poster-grid figcaption {
  color: rgba(255, 255, 255, 0.54);
  font-size: 12px;
  line-height: 1.45;
  text-align: center;
}

.case-conversation-showcase {
  display: grid;
  grid-template-columns: minmax(220px, 0.46fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  max-width: 960px;
  margin: 34px auto 0;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.conversation-showcase-copy small {
  color: var(--cyan);
  font-size: 9px;
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: 0.09em;
}

.conversation-showcase-copy h3 {
  margin: 10px 0 12px;
  color: var(--white);
  font-size: clamp(21px, 2.1vw, 27px);
  line-height: 1.25;
}

.conversation-showcase-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.58);
  font-size: 14px;
  line-height: 1.75;
}

.conversation-carousel {
  width: min(580px, 100%);
  min-width: 0;
}

.conversation-viewport {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 6px;
  box-shadow: 0 16px 38px rgba(0, 0, 0, 0.24);
}

.conversation-track {
  display: flex;
  transition: transform 560ms cubic-bezier(0.22, 0.72, 0.2, 1);
  will-change: transform;
}

.conversation-track figure {
  display: grid;
  flex: 0 0 100%;
  gap: 0;
  margin: 0;
}

.conversation-track img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 0.86;
}

.conversation-track figcaption {
  padding: 9px 12px;
  color: rgba(255, 255, 255, 0.58);
  background: rgba(5, 11, 17, 0.96);
  font-size: 11px;
  line-height: 1.4;
  text-align: center;
}

.conversation-carousel-controls {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  margin-top: 12px;
}

.conversation-carousel-controls > span {
  color: rgba(255, 255, 255, 0.38);
  font-size: 11px;
  font-weight: 800;
}

.conversation-carousel-controls > span b {
  color: var(--cyan);
}

.conversation-carousel-controls > div {
  display: flex;
  gap: 7px;
}

.conversation-carousel-controls button {
  width: 24px;
  height: 4px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: width 180ms ease, background 180ms ease;
}

.conversation-carousel-controls button.is-active {
  width: 40px;
  background: linear-gradient(90deg, var(--red), var(--cyan));
}

.recruitment-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  padding: 1px;
  list-style: none;
  background: rgba(255, 255, 255, 0.12);
}

.recruitment-flow li {
  min-height: 250px;
  padding: 24px;
  background: #101923;
}

.flow-index {
  display: block;
  margin-bottom: 42px;
  color: var(--red);
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
}

.recruitment-flow small {
  display: block;
  min-height: 28px;
  color: var(--cyan);
  font-size: 9px;
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: 0.09em;
}

.recruitment-flow h3,
.recruitment-flow h4 {
  color: var(--white);
}

.case-insight-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 24px;
  max-width: 1180px;
  margin: 24px auto 0;
}

.case-insight-grid .case-block-title h2,
.case-insight-grid .case-block-title h3 {
  font-size: clamp(25px, 2.6vw, 34px);
  white-space: nowrap;
}

.case-insight-grid .case-block {
  margin: 0;
}

.collaboration-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 28px 0 22px;
}

.collaboration-split > div {
  display: grid;
  gap: 9px;
  padding: 20px;
  border-radius: 8px;
  background: #f0f5f5;
}

.collaboration-split > div:first-child {
  color: var(--cyan);
}

.collaboration-split > div:last-child {
  color: var(--red);
}

.collaboration-split span {
  margin-bottom: 5px;
  font-size: 14px;
  font-weight: 900;
}

.collaboration-split strong {
  color: var(--ink);
  font-size: 18px;
  line-height: 1.45;
}

.value-card {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.12);
  background:
    radial-gradient(circle at 88% 12%, rgba(201, 22, 37, 0.3), transparent 30%),
    linear-gradient(140deg, #201018, #101923 62%, #071015);
}

.case-value-list {
  display: grid;
  gap: 0;
  margin-top: 28px;
  background: transparent;
}

.case-value-list div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: center;
  min-height: 70px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  background: transparent;
}

.case-value-list div:last-child {
  border-bottom: 0;
}

.case-value-list span {
  color: var(--cyan);
  font-size: 15px;
  font-weight: 900;
}

.case-value-list strong {
  font-size: 19px;
  line-height: 1.45;
}

.case-conclusion {
  max-width: 1180px;
  margin: 24px auto 0;
  padding: clamp(38px, 6vw, 72px);
  border: 1px solid rgba(201, 22, 37, 0.16);
  border-radius: 8px;
  text-align: center;
  background:
    linear-gradient(90deg, rgba(201, 22, 37, 0.07), rgba(20, 164, 184, 0.08)),
    var(--white);
}

.case-conclusion p {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.case-conclusion h2,
.case-conclusion h3 {
  max-width: 850px;
  margin: 0 auto;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.25;
}

.case-conclusion span {
  display: block;
  margin-top: 18px;
  color: var(--muted);
  font-size: 17px;
}

.scenario-list div {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: 28px;
  padding: 29px 0;
  border-bottom: 1px solid var(--line);
  transition:
    transform 180ms ease,
    color 180ms ease;
}

.scenario-list div:hover {
  transform: translateX(8px);
}

.scenario-list strong {
  font-size: 22px;
}

.scenario-list span {
  color: var(--muted);
  line-height: 1.7;
}

.contact {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 48px);
  align-items: center;
  justify-items: center;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 12%, rgba(201, 22, 37, 0.26), transparent 26%),
    radial-gradient(circle at 86% 28%, rgba(20, 164, 184, 0.2), transparent 24%),
    linear-gradient(135deg, #070d12, #101923 54%, #080b10);
  color: var(--white);
}

.contact::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(180deg, #000, transparent 92%);
}

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

.contact > div {
  display: block;
  width: min(920px, 100%);
  margin: 0 auto;
}

.contact h2 {
  margin-inline: auto;
  max-width: 900px;
  text-wrap: normal;
}

.contact p {
  max-width: 820px;
  margin: 22px auto 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.contact-form {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  width: min(980px, 100%);
  margin: 0 auto;
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05)),
    rgba(255, 255, 255, 0.08);
  box-shadow: var(--deep-shadow);
  backdrop-filter: blur(18px);
  overflow: hidden;
}

.contact-form label:nth-child(3),
.contact-form > button,
.form-status {
  grid-column: 1 / -1;
}

.contact-form.contact-wechat-card {
  grid-template-columns: 1fr;
  place-items: center;
  gap: 28px;
  width: min(460px, 100%);
  padding: clamp(26px, 3.8vw, 38px);
  text-align: center;
}

.contact-form::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.26), rgba(201, 22, 37, 0.58), rgba(20, 164, 184, 0.42));
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

.contact-form::after {
  content: "";
  position: absolute;
  inset: -60% auto -60% -20%;
  width: 34%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.14), transparent);
  transform: rotate(12deg) translateX(-160%);
  animation: panelSweep 7s ease-in-out infinite;
  pointer-events: none;
}

.contact-form > * {
  position: relative;
  z-index: 1;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  font: inherit;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    box-shadow 180ms ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: rgba(20, 164, 184, 0.72);
  background: rgba(255, 255, 255, 0.11);
  box-shadow: 0 0 0 3px rgba(20, 164, 184, 0.14);
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.42);
}

.contact-form button {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.contact-form button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.contact-qr {
  display: flex;
  justify-content: center;
  justify-self: center;
  width: 100%;
}

.contact-qr-image {
  display: block;
  width: min(220px, 56vw);
  height: auto;
  margin-inline: auto;
  border-radius: 8px;
  background-color: var(--white);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.18);
}

.contact-wechat-copy {
  display: grid;
  gap: 16px;
  max-width: 440px;
}

.contact-wechat-copy strong {
  color: var(--white);
  font-size: clamp(20px, 2vw, 24px);
  line-height: 1.7;
  transform: translateY(10px);
}

.contact-wechat-copy span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  line-height: 1.7;
  white-space: nowrap;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 26px clamp(20px, 6vw, 82px);
  color: rgba(255, 255, 255, 0.68);
  background: #080d12;
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 620ms ease var(--delay, 0ms),
    transform 620ms ease var(--delay, 0ms);
}

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

@keyframes gridDrift {
  from {
    background-position: 0 0;
  }
  to {
    background-position: 72px 72px;
  }
}

@keyframes dataSweep {
  0%,
  100% {
    opacity: 0;
    transform: translateX(-18%);
  }
  45%,
  65% {
    opacity: 1;
  }
  100% {
    transform: translateX(68%);
  }
}

@keyframes heroScan {
  0%,
  38% {
    transform: translateX(-72%);
  }
  72%,
  100% {
    transform: translateX(72%);
  }
}

@keyframes nodePulse {
  0%,
  100% {
    opacity: 0.56;
    scale: 0.9;
  }
  50% {
    opacity: 1;
    scale: 1.18;
  }
}

@keyframes barGrow {
  from {
    width: 0;
  }
}

@keyframes flowDash {
  0%,
  100% {
    stroke-dashoffset: 170;
  }
  50% {
    stroke-dashoffset: 0;
  }
}

@keyframes rise {
  from {
    transform: scaleY(0);
  }
}

@keyframes panelSweep {
  0%,
  42% {
    transform: rotate(12deg) translateX(-160%);
  }
  72%,
  100% {
    transform: rotate(12deg) translateX(420%);
  }
}

@media (max-width: 880px) {
  .site-header {
    grid-template-columns: 1fr auto;
    gap: 14px;
  }

  .menu-toggle {
    display: grid;
  }

  .header-cta {
    display: none;
  }

  .nav-links {
    position: absolute;
    top: calc(100% + 1px);
    left: 0;
    right: 0;
    display: grid;
    gap: 0;
    padding: 8px clamp(16px, 5vw, 32px) 14px;
    color: var(--white);
    background:
      linear-gradient(180deg, rgba(8, 13, 18, 0.98), rgba(8, 13, 18, 0.92)),
      rgba(10, 16, 22, 0.92);
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
    box-shadow: 0 24px 54px rgba(0, 0, 0, 0.28);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      opacity 180ms ease,
      transform 180ms ease;
  }

  .site-header.is-menu-open .nav-links {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a {
    display: block;
    padding: 15px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 16px;
    font-weight: 800;
  }

  .nav-links a:last-child {
    border-bottom: 0;
  }

  .hero {
    min-height: 860px;
  }

  .hero-image {
    object-position: 63% center;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(8, 13, 19, 0.86), rgba(8, 13, 19, 0.66)),
      linear-gradient(90deg, rgba(8, 13, 19, 0.88), rgba(8, 13, 19, 0.28));
  }

  .hero-content {
    align-self: end;
    margin: 0 auto;
    padding: 120px 0 46px;
  }

  .hero-content::before {
    display: none;
  }

  .hero-metrics,
  .intro-layout,
  .case-entry,
  .case-heading,
  .case-opening,
  .case-insight-grid,
  .tool-suite,
  .tool-bottom,
  .method .section-copy,
  .scenario-layout,
  .timeline,
  .section-copy {
    grid-template-columns: 1fr;
  }

  .vertical-stack {
    grid-template-columns: 1fr;
  }

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

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

  .tool-card,
  .package-list article {
    min-height: 0;
  }

  .hero-metrics {
    margin-top: 34px;
  }

  .signal-board {
    min-height: 380px;
    padding: 24px;
  }

  .signal-core {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 22px 0;
  }

  .primary-node {
    grid-column: 1 / -1;
    grid-row: auto;
    min-height: 112px;
    gap: 10px;
  }

  .primary-node b {
    font-size: 40px;
    transform: translateY(10px);
  }

  .primary-node span {
    font-size: 13px;
    line-height: 1.2;
  }

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

  .scenario-copy h2 {
    white-space: normal;
  }

  .timeline {
    gap: 18px;
  }

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

  .poster-showcase-heading,
  .poster-grid,
  .case-conversation-showcase {
    grid-template-columns: 1fr;
  }

  .poster-grid {
    width: min(520px, 100%);
    margin: 0 auto;
  }

  .case-conversation-showcase {
    width: min(560px, 100%);
  }

  .conversation-carousel {
    width: min(520px, 100%);
    margin: 0 auto;
  }

  .case-opening {
    padding: 36px;
  }

  .case-entry-copy,
  .case-entry-flow {
    justify-self: center;
    width: min(680px, 100%);
  }

  .timeline li:not(:last-child)::before,
  .timeline li:not(:last-child)::after {
    display: none;
  }

  .site-footer {
    align-items: center;
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 560px) {
  .whatsapp-web-demo {
    padding: 12px;
  }

  .wa-demo-topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .wa-demo-window {
    grid-template-columns: 1fr;
    min-height: 450px;
  }

  .wa-demo-sidebar {
    display: none;
  }

  .wa-message-list {
    padding: 14px;
  }

  .site-header {
    min-height: 66px;
    padding: 12px 16px;
  }

  .brand-mark {
    width: 160px;
    height: 43px;
  }

  .brand small,
  .header-cta {
    display: none;
  }

  .hero {
    min-height: 760px;
  }

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

  .subtitle {
    font-size: 20px;
  }

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

  .hero-metrics div,
  .values article,
  .service-list article,
  .timeline li,
  .contact-form {
    padding: 22px;
  }

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

  .challenge-grid,
  .recruitment-flow,
  .collaboration-split {
    grid-template-columns: 1fr;
  }

  .case-opening,
  .case-block,
  .case-conclusion {
    padding: 24px;
  }

  .case-block-title {
    align-items: flex-start;
  }

  .case-block-title > span {
    width: 48px;
    height: 48px;
  }

  .case-insight-grid .case-block-title h2,
  .case-insight-grid .case-block-title h3 {
    white-space: normal;
  }

  .recruitment-flow li {
    min-height: 0;
  }

  .flow-index {
    margin-bottom: 24px;
  }

  .dashboard-head,
  .dashboard-row,
  .dashboard-summary {
    align-items: flex-start;
  }

  .case-conversation-showcase {
    padding: 20px;
  }

  .conversation-carousel {
    width: 100%;
  }

  .case-entry-flow ol {
    grid-template-columns: 1fr;
  }


  .case-entry-heading {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .case-entry-flow li {
    min-height: 104px;
  }

  .signal-board {
    padding: 20px;
  }

  .signal-header {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .primary-node {
    min-height: 104px;
  }

  .primary-node b {
    font-size: 38px;
    transform: translateY(10px);
  }

  .tool-grid {
    grid-template-columns: 1fr;
  }

  .values h3,
  .values p {
    grid-column: auto;
    grid-row: auto;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .contact-wechat-copy span {
    white-space: normal;
  }

}

/* Fuhai Valve AI website case */
.case-entry-fuhai {
  --fuhai-orange: #e5522d;
  background:
    radial-gradient(circle at 18% 18%, rgba(229, 82, 45, 0.3), transparent 31%),
    radial-gradient(circle at 88% 72%, rgba(194, 214, 204, 0.18), transparent 30%),
    linear-gradient(140deg, #25150f, #111c20 52%, #091317);
}

.case-entry-fuhai::before {
  content: "CASE / 02";
}

.case-entry-fuhai .case-entry-type {
  border-left-color: var(--fuhai-orange);
}

.case-entry-fuhai .case-entry-link {
  background: linear-gradient(135deg, #f36d43, var(--fuhai-orange) 58%, #b83219);
}

.fuhai-entry-flow > span,
.fuhai-entry-flow li b {
  color: #ff7650;
}

.home-fuhai-browser {
  --fuhai-orange: #e5522d;
  --fuhai-deep: #122127;
  --fuhai-cream: #f4f2eb;
  width: min(640px, 100%);
  justify-self: start;
}

.home-fuhai-browser .browser-chrome {
  min-height: 36px;
}

.home-fuhai-browser .browser-site-nav {
  min-height: 56px;
  padding: 0 22px;
}

.home-fuhai-browser .browser-site-hero {
  grid-template-columns: minmax(0, 0.9fr) minmax(230px, 1.1fr);
  min-height: 410px;
}

.home-fuhai-browser .browser-site-hero > div:first-child {
  padding: clamp(22px, 2.4vw, 30px);
}

.home-fuhai-browser .browser-site-hero h2 {
  margin: 15px 0 12px;
  font-size: clamp(24px, 2vw, 28px);
  line-height: 1.08;
}

.home-fuhai-browser .browser-site-hero h2 span {
  display: block;
  white-space: nowrap;
}

.home-fuhai-browser .browser-site-hero p {
  font-size: 12px;
}

.home-fuhai-browser .browser-site-hero a {
  margin-top: 20px;
}

.home-fuhai-browser .browser-product-stage {
  min-height: 410px;
}

.fuhai-case-page,
.fuhai-case-study {
  --fuhai-orange: #e5522d;
  --fuhai-deep: #122127;
  --fuhai-cream: #f4f2eb;
}

.fuhai-case-study {
  background:
    radial-gradient(circle at 90% 4%, rgba(229, 82, 45, 0.11), transparent 25%),
    linear-gradient(180deg, #f8f7f2 0%, #eaf0ed 100%);
}

.fuhai-case-study::before {
  content: "CASE / 02";
}

.fuhai-case-heading .section-kicker,
.fuhai-case-page .case-block-title p {
  color: var(--fuhai-orange);
}

.fuhai-case-heading h1 {
  max-width: 760px;
  font-size: clamp(34px, 3.65vw, 50px);
  line-height: 1.12;
  text-wrap: pretty;
}

.fuhai-case-heading h1 span {
  display: block;
  white-space: nowrap;
}

.fuhai-case-page .case-label {
  color: var(--fuhai-orange);
  border-color: rgba(229, 82, 45, 0.24);
}

.fuhai-case-page .case-block-title > span {
  background: linear-gradient(135deg, #f36d43, var(--fuhai-orange) 58%, #b83219);
  box-shadow: 0 12px 28px rgba(229, 82, 45, 0.22);
}

.fuhai-hero-showcase {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 0.34fr);
  gap: 20px;
  max-width: 1180px;
  margin: 0 auto 24px;
}

.fuhai-browser-card,
.fuhai-launch-card {
  overflow: hidden;
  border: 1px solid rgba(18, 33, 39, 0.12);
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(18, 33, 39, 0.14);
}

.fuhai-browser-card {
  color: var(--fuhai-deep);
  background: var(--fuhai-cream);
}

.browser-chrome {
  display: flex;
  gap: 7px;
  align-items: center;
  min-height: 38px;
  padding: 0 16px;
  color: rgba(18, 33, 39, 0.54);
  background: #e5e7e2;
  border-bottom: 1px solid rgba(18, 33, 39, 0.1);
  font-size: 11px;
}

.browser-chrome span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(18, 33, 39, 0.22);
}

.browser-chrome span:first-child {
  background: var(--fuhai-orange);
}

.browser-chrome b {
  margin-left: 9px;
  font-weight: 700;
}

.browser-site-nav {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  min-height: 62px;
  padding: 0 28px;
  background: var(--white);
  border-bottom: 1px solid rgba(18, 33, 39, 0.08);
}

.browser-site-nav strong {
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 15px;
}

.browser-site-nav i {
  display: grid;
  width: 38px;
  height: 34px;
  place-items: center;
  color: var(--white);
  background: var(--fuhai-orange);
  font-size: 12px;
  font-style: normal;
  transform: skew(-8deg);
}

.browser-site-nav span {
  color: rgba(18, 33, 39, 0.52);
  font-size: 11px;
  font-weight: 800;
}

.browser-site-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(290px, 1.08fr);
  min-height: 390px;
}

.browser-site-hero > div:first-child {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 4vw, 52px);
}

.browser-site-hero small {
  color: var(--fuhai-orange);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.browser-site-hero h2 {
  margin: 18px 0 14px;
  font-size: clamp(30px, 3.4vw, 48px);
  line-height: 1.1;
}

.browser-site-hero p {
  margin: 0;
  color: rgba(18, 33, 39, 0.64);
  font-size: 14px;
  line-height: 1.75;
}

.browser-site-hero a {
  display: inline-flex;
  margin-top: 24px;
  padding: 12px 16px;
  color: var(--white);
  background: var(--fuhai-orange);
  border-radius: 5px;
  font-size: 12px;
  font-weight: 900;
}

.browser-product-stage {
  position: relative;
  display: grid;
  min-height: 390px;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(229, 82, 45, 0.08), rgba(115, 153, 136, 0.18)),
    #edf0eb;
}

.browser-product-stage::before {
  content: "";
  position: absolute;
  inset: 9% 10%;
  border: 1px solid rgba(18, 33, 39, 0.1);
  background: rgba(255, 255, 255, 0.64);
}

.browser-product-stage img {
  position: relative;
  z-index: 1;
  width: 82%;
  height: 82%;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.browser-product-stage em {
  position: absolute;
  z-index: 2;
  right: 18px;
  bottom: 18px;
  padding: 9px 12px;
  color: var(--white);
  background: var(--fuhai-deep);
  font-size: 9px;
  font-style: normal;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.fuhai-launch-card {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
  padding: clamp(28px, 4vw, 46px);
  color: var(--white);
  background:
    radial-gradient(circle at 80% 16%, rgba(255, 120, 75, 0.28), transparent 30%),
    linear-gradient(145deg, #20353a, #102027 64%, #0b171b);
}

.fuhai-launch-card > span {
  color: #ff7952;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.fuhai-launch-card > strong {
  margin-top: 26px;
  color: #ff7952;
  font-size: clamp(46px, 4.5vw, 58px);
  line-height: 0.95;
  letter-spacing: -0.05em;
  white-space: nowrap;
}

.fuhai-launch-card h2 {
  margin: 18px 0 14px;
  font-size: clamp(20px, 1.8vw, 26px);
  line-height: 1.3;
  white-space: nowrap;
}

.fuhai-launch-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.64);
  font-size: 14px;
  line-height: 1.75;
}

.fuhai-progress-dashboard {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(24px, 3vw, 36px);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.13);
  background:
    radial-gradient(circle at 82% 14%, rgba(255, 120, 75, 0.24), transparent 31%),
    linear-gradient(145deg, #20353a, #102027 64%, #0b171b);
}

.fuhai-progress-dashboard .dashboard-head b {
  color: #ff7952;
}

.fuhai-progress-dashboard .dashboard-row strong.is-progress {
  color: #ff9a55;
}

.fuhai-progress-dashboard .dashboard-row strong.is-planned {
  color: #8ab7c2;
}

.fuhai-challenge-grid article {
  border-top-color: var(--fuhai-orange);
}

.fuhai-challenge-grid article > span {
  color: var(--fuhai-orange);
}

.fuhai-solution {
  background:
    radial-gradient(circle at 86% 18%, rgba(229, 82, 45, 0.2), transparent 28%),
    linear-gradient(140deg, #16272d, #0b171b);
}

.fuhai-solution .case-block-title h2 {
  color: var(--white);
}

.fuhai-solution .case-block-intro,
.fuhai-solution .recruitment-flow p {
  color: rgba(255, 255, 255, 0.65);
}

.fuhai-ai-pipeline {
  display: grid;
  grid-template-columns: 1fr 0.72fr 1fr;
  gap: 16px;
  align-items: stretch;
  margin-top: 34px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(3, 10, 13, 0.42);
}

.pipeline-source,
.pipeline-output {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.pipeline-source > span,
.pipeline-output > span {
  grid-column: 1 / -1;
  margin-bottom: 4px;
  color: rgba(255, 255, 255, 0.52);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.pipeline-source b,
.pipeline-output b {
  display: grid;
  min-height: 64px;
  padding: 12px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  color: rgba(255, 255, 255, 0.82);
  background: rgba(255, 255, 255, 0.045);
  font-size: 13px;
  text-align: center;
}

.pipeline-ai {
  display: grid;
  align-content: center;
  place-items: center;
  padding: 22px 16px;
  border-radius: 6px;
  background: linear-gradient(145deg, rgba(229, 82, 45, 0.92), rgba(171, 43, 20, 0.92));
  box-shadow: 0 18px 38px rgba(229, 82, 45, 0.2);
  text-align: center;
}

.pipeline-ai small {
  color: rgba(255, 255, 255, 0.7);
  font-size: 8px;
  font-weight: 900;
  letter-spacing: 0.11em;
}

.pipeline-ai strong {
  margin: 12px 0 8px;
  font-size: 54px;
  line-height: 1;
}

.pipeline-ai p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.6;
}

.fuhai-build-flow .flow-index {
  color: var(--fuhai-orange);
}

.fuhai-build-flow small {
  color: #ff7952;
}

.fuhai-scale-section {
  display: grid;
  grid-template-columns: minmax(350px, 0.84fr) minmax(0, 1fr);
  gap: clamp(30px, 5vw, 68px);
  align-items: center;
  max-width: 1180px;
  margin: 24px auto 0;
  padding: clamp(32px, 5vw, 58px);
  border: 1px solid rgba(18, 33, 39, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 16px 42px rgba(18, 33, 39, 0.08);
}

.fuhai-scale-copy small {
  color: var(--fuhai-orange);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.fuhai-scale-copy h2 {
  margin: 12px 0 18px;
  font-size: clamp(26px, 2.4vw, 32px);
  line-height: 1.24;
  text-wrap: pretty;
}

.fuhai-scale-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.fuhai-data-panel {
  overflow: hidden;
  border: 1px solid rgba(18, 33, 39, 0.14);
  border-top: 4px solid var(--fuhai-orange);
  border-radius: 7px;
  background: #fbfcfa;
  box-shadow: 0 18px 42px rgba(18, 33, 39, 0.08);
}

.data-panel-head {
  padding: clamp(24px, 3vw, 34px);
}

.data-panel-head > span {
  color: var(--fuhai-orange);
  font-size: 9px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.data-panel-head > b {
  display: inline-flex;
  margin-left: 10px;
  padding: 5px 8px;
  border-radius: 4px;
  color: var(--white);
  background: var(--fuhai-deep);
  font-size: 10px;
}

.data-panel-head h3 {
  margin: 18px 0 12px;
  color: var(--fuhai-deep);
  font-size: clamp(27px, 3vw, 40px);
  line-height: 1.08;
  letter-spacing: -0.035em;
}

.data-panel-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.structured-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid rgba(18, 33, 39, 0.12);
  border-bottom: 1px solid rgba(18, 33, 39, 0.12);
}

.structured-specs > div {
  display: grid;
  gap: 7px;
  min-height: 92px;
  padding: 18px;
  border-right: 1px solid rgba(18, 33, 39, 0.12);
  border-bottom: 1px solid rgba(18, 33, 39, 0.12);
}

.structured-specs > div:nth-child(2n) {
  border-right: 0;
}

.structured-specs > div:nth-last-child(-n + 2) {
  border-bottom: 0;
}

.structured-specs small {
  color: var(--muted);
  font-size: 10px;
}

.structured-specs strong {
  color: var(--fuhai-deep);
  font-size: 14px;
  line-height: 1.35;
}

.data-panel-foot {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 17px 20px;
  color: rgba(255, 255, 255, 0.68);
  background: var(--fuhai-deep);
  font-size: 10px;
}

.data-panel-foot strong {
  color: #ff7952;
  font-size: 14px;
  white-space: nowrap;
}

.fuhai-product-collage {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  grid-template-rows: 1fr auto;
  gap: 12px;
}

.fuhai-product-collage figure {
  position: relative;
  min-height: 210px;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(18, 33, 39, 0.1);
  border-radius: 7px;
  background: #eef0eb;
}

.fuhai-product-collage .product-card-main {
  grid-row: 1 / 3;
  min-height: 430px;
}

.fuhai-product-collage img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.fuhai-product-collage figcaption {
  position: absolute;
  right: 10px;
  bottom: 10px;
  left: 10px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  color: var(--white);
  background: rgba(18, 33, 39, 0.9);
  font-size: 10px;
}

.product-count-card {
  display: flex;
  align-items: flex-start;
  flex-direction: column;
  justify-content: center;
  min-height: 205px;
  padding: 26px;
  border-radius: 7px;
  color: var(--white);
  background: var(--fuhai-orange);
}

.product-count-card strong {
  font-size: clamp(54px, 6vw, 76px);
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.product-count-card sup {
  font-size: 0.42em;
  vertical-align: top;
}

.product-count-card span {
  margin-top: 16px;
  font-size: 20px;
  font-weight: 900;
}

.product-count-card small {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 11px;
}

.fuhai-insight-grid {
  grid-template-columns: 1fr 1fr;
}

.fuhai-insight-grid .case-block-title h2 {
  font-size: clamp(24px, 2.2vw, 30px);
  white-space: nowrap;
}

.fuhai-insight-grid .case-block {
  padding: clamp(28px, 3vw, 40px);
}

.fuhai-insight-grid .case-block-title {
  gap: 14px;
}

.fuhai-insight-grid .case-block-title > span {
  width: 52px;
  height: 52px;
}

.fuhai-tech-card .collaboration-split > div:first-child {
  color: var(--fuhai-orange);
}

.fuhai-value-card {
  background:
    radial-gradient(circle at 88% 12%, rgba(229, 82, 45, 0.34), transparent 30%),
    linear-gradient(140deg, #25150f, #122127 62%, #0b171b);
}

.fuhai-value-card .case-value-list span {
  color: #ff7952;
}

.fuhai-conclusion {
  border-color: rgba(229, 82, 45, 0.17);
  background:
    linear-gradient(90deg, rgba(229, 82, 45, 0.08), rgba(115, 153, 136, 0.1)),
    var(--white);
}

.fuhai-conclusion p {
  color: var(--fuhai-orange);
}

.fuhai-conclusion a {
  display: inline-flex;
  margin-top: 28px;
  padding: 13px 18px;
  border-radius: 6px;
  color: var(--white);
  background: var(--fuhai-deep);
  font-size: 13px;
  font-weight: 900;
}

@media (max-width: 880px) {
  .fuhai-hero-showcase,
  .fuhai-scale-section {
    grid-template-columns: 1fr;
  }

  .fuhai-launch-card {
    min-height: 340px;
  }

  .fuhai-progress-dashboard {
    min-height: 340px;
  }

  .fuhai-launch-card h2 {
    white-space: normal;
  }

  .fuhai-insight-grid .case-block-title h2 {
    white-space: normal;
  }

  .fuhai-ai-pipeline {
    grid-template-columns: 1fr;
  }

  .pipeline-ai {
    min-height: 210px;
  }
}

@media (max-width: 560px) {
  .fuhai-case-heading h1 span {
    display: block;
    white-space: nowrap;
  }

  .fuhai-launch-card {
    min-height: 360px;
    padding: 48px 32px;
  }

  .fuhai-launch-card > strong {
    width: 100%;
    margin-top: 24px;
    font-size: clamp(48px, 15vw, 56px);
    letter-spacing: -0.04em;
  }

  .fuhai-launch-card h2 {
    margin-top: 17px;
    font-size: 23px;
    white-space: nowrap;
  }

  .fuhai-launch-card p {
    max-width: 100%;
  }

  .browser-site-nav span {
    display: none;
  }

  .browser-site-hero {
    grid-template-columns: 1fr;
  }

  .home-fuhai-browser .browser-site-hero {
    grid-template-columns: 1fr;
  }

  .browser-product-stage {
    min-height: 280px;
  }

  .home-fuhai-browser .browser-product-stage {
    min-height: 300px;
  }

  .fuhai-product-collage {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .structured-specs {
    grid-template-columns: 1fr;
  }

  .structured-specs > div,
  .structured-specs > div:nth-child(2n),
  .structured-specs > div:nth-last-child(-n + 2) {
    min-height: 78px;
    border-right: 0;
    border-bottom: 1px solid rgba(18, 33, 39, 0.12);
  }

  .structured-specs > div:last-child {
    border-bottom: 0;
  }

  .data-panel-foot {
    align-items: flex-start;
    flex-direction: column;
  }

  .fuhai-product-collage .product-card-main {
    grid-row: auto;
    min-height: 320px;
  }

  .fuhai-product-collage figure,
  .product-count-card {
    min-height: 260px;
  }

  .pipeline-source,
  .pipeline-output {
    grid-template-columns: 1fr;
  }

  .pipeline-source > span,
  .pipeline-output > span {
    grid-column: auto;
  }
}

@media (max-width: 360px) {
  .fuhai-case-heading h1 {
    font-size: 30px;
  }

  .fuhai-launch-card {
    padding-inline: 26px;
  }

  .fuhai-launch-card > strong {
    font-size: 46px;
  }

  .fuhai-launch-card h2 {
    font-size: 21px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }
}