/*
 * This file is generated from website/css/modules/*.css.
 * Edit the module files, then run: npm run build:css.
 * Do not edit this file directly; the next build will overwrite it.
 */
/* Foundation: reset, design tokens, header/nav, buttons and shared cards. */
/* ===== Reset & Variables ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-primary: #0066cc;
  --color-primary-dark: #004d99;
  --color-primary-light: #e8f2fc;
  --color-accent: #1a8cff;
  --color-text: #1a1a2e;
  --color-text-secondary: #5a5a72;
  --color-text-muted: #8a8aa0;
  --color-bg: #ffffff;
  --color-bg-gray: #f7f9fc;
  --color-border: #e2e8f0;
  --color-border-light: #f0f3f8;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 102, 204, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 102, 204, 0.12);
  --radius: 6px;
  --radius-lg: 8px;
  --header-h: 80px;
  --transition: 0.3s ease;
  --font:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  overflow-x: hidden;
}

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  opacity: 1;
  transition: opacity 0.4s ease;
  overflow-x: hidden;
}

body.loaded {
  opacity: 1;
}

::selection {
  background: rgba(0, 102, 204, 0.2);
  color: var(--color-text);
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

.contact-row a {
  color: var(--color-text-secondary);
  transition: color var(--transition);
}

.contact-row a:hover {
  color: var(--color-primary);
}

a {
  color: inherit;
  text-decoration: none;
}
ul {
  list-style: none;
}
img {
  display: block;
  max-width: 100%;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Card ===== */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 102, 204, 0.2);
}

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1001;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-cn {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.3;
}

.logo-en {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.nav {
  display: flex;
  gap: 24px;
  align-items: center;
}

.nav a,
.nav-trigger {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

.nav-item {
  position: relative;
}

.nav-submenu {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  z-index: 120;
  min-width: 220px;
  padding: 8px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(31, 45, 61, 0.1);
  border-radius: 8px;
  box-shadow: 0 24px 60px rgba(18, 38, 63, 0.16);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -6px);
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    visibility 180ms ease;
}

.nav-has-submenu:hover .nav-submenu,
.nav-has-submenu:focus-within .nav-submenu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav-submenu a {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--color-text-secondary) !important;
  white-space: nowrap;
}

.nav-submenu a:hover {
  background: rgba(36, 101, 196, 0.08);
  color: var(--color-primary) !important;
}

.nav a::after,
.nav-trigger::after {
  content: "";
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition);
}

.nav a:hover,
.nav-trigger:hover {
  color: var(--color-primary);
}
.nav a:hover::after,
.nav a.active::after,
.nav-trigger:hover::after {
  width: 100%;
}

.nav a.active {
  color: var(--color-primary);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}
.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary-light);
}

/* Shared homepage sections used by older and current page blocks. */
/* ===== Hero ===== */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 80px) 0 100px;
  overflow: hidden;
  background: linear-gradient(180deg, #f7f9fc 0%, #ffffff 100%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    circle,
    rgba(0, 102, 204, 0.08) 1px,
    transparent 1px
  );
  background-size: 28px 28px;
  pointer-events: none;
  opacity: 0.6;
}

.hero-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-line-svg {
  width: 100%;
  height: 100%;
}

.line-path {
  stroke: var(--color-primary);
  opacity: 0.15;
  stroke-dasharray: 8 4;
  animation: lineFlow 20s linear infinite;
}

.line-path.delay {
  opacity: 0.08;
  animation-delay: -10s;
}

@keyframes lineFlow {
  to {
    stroke-dashoffset: -200;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  gap: 48px;
  align-items: center;
}

.hero-eyebrow {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-text);
  margin-bottom: 16px;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.hero-media figcaption {
  display: grid;
  gap: 6px;
  padding: 20px 22px;
  border-top: 1px solid var(--color-border-light);
}

.hero-media strong {
  color: var(--color-text);
  font-size: 1rem;
}

.hero-media span {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* ===== Sections ===== */
.section {
  padding: 100px 0;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.section-gray {
  background: var(--color-bg-gray);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 16px;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.section-title.align-left {
  text-align: left;
}

.section-line {
  width: 48px;
  height: 3px;
  background: var(--color-primary);
  margin: 0 auto 20px;
  border-radius: 2px;
}

.section-line.align-left {
  margin-left: 0;
}

.section-desc {
  color: var(--color-text-secondary);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

/* ===== Capabilities ===== */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

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

.card-icon {
  width: 44px;
  height: 44px;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.cap-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.cap-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== Solutions ===== */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.solution-card {
  padding: 0 0 32px;
  position: relative;
  overflow: hidden;
}

.solution-card > :not(.solution-image) {
  margin-left: 32px;
  margin-right: 32px;
}

.solution-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 28px;
}

.solution-num {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: 16px;
}

.stage-symbol {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  color: var(--color-primary);
  border: 1px solid rgba(0, 102, 204, 0.22);
  border-radius: 50%;
  background:
    radial-gradient(
      circle at 35% 28%,
      rgba(255, 255, 255, 0.95),
      rgba(255, 255, 255, 0.48)
    ),
    rgba(0, 102, 204, 0.08);
}

.stage-symbol svg {
  width: 22px;
  height: 22px;
  display: block;
}

.stage-symbol-tone-0 {
  color: #0b68c7;
  border-color: rgba(11, 104, 199, 0.24);
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.95),
    rgba(230, 242, 255, 0.72)
  );
}

.stage-symbol-tone-1 {
  color: #087f8c;
  border-color: rgba(8, 127, 140, 0.22);
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.95),
    rgba(222, 247, 250, 0.7)
  );
}

.stage-symbol-tone-2 {
  color: #4355c8;
  border-color: rgba(67, 85, 200, 0.22);
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.95),
    rgba(235, 238, 255, 0.74)
  );
}

.stage-symbol-tone-3 {
  color: #b26a00;
  border-color: rgba(178, 106, 0, 0.22);
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.95),
    rgba(255, 244, 224, 0.74)
  );
}

.solution-symbol {
  display: flex;
  align-items: center;
  margin-bottom: 18px;
  color: var(--color-primary);
  font-size: 1rem;
}

.solution-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.solution-card > p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  line-height: 1.7;
}

.solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.solution-tags li {
  padding: 4px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: 50px;
}

/* ===== Product Topics ===== */
.product-topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 26px;
}

.product-topic-card {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
  border: 1px solid var(--color-border);
  background: #fff;
  transition: var(--transition);
}

.product-topic-card:hover {
  border-color: rgba(0, 102, 204, 0.24);
  box-shadow: var(--shadow-md);
}

.product-topic-media {
  position: relative;
  display: block;
  overflow: hidden;
  background: #eaf0f8;
}

.product-topic-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-topic-card:hover .product-topic-media img {
  transform: scale(1.04);
}

.product-topic-media span {
  position: absolute;
  left: 18px;
  top: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 34px;
  padding: 0 12px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary);
  font-size: 0.76rem;
  font-weight: 800;
}

.product-topic-body {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 24px;
}

.product-topic-body > span {
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.product-topic-body h3 {
  font-size: 1.25rem;
  line-height: 1.35;
}

.product-topic-body p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.78;
}

.product-topic-body ul,
.product-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-topic-body li,
.product-tag-row span {
  padding: 5px 9px;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.74rem;
}

/* ===== Materials ===== */
.materials-grid {
  display: grid;
  gap: 28px;
}

.material-card {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(0, 1.05fr);
  gap: 0;
  overflow: hidden;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.material-card:nth-child(even) {
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
}

.material-card:nth-child(even) img {
  order: 2;
}

.material-card img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
}

.material-content {
  display: grid;
  align-content: center;
  gap: 14px;
  padding: 42px;
}

.material-content span {
  width: fit-content;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
}

.material-content h3 {
  font-size: 1.45rem;
  color: var(--color-text);
}

.material-content p,
.material-content li {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.material-content ul {
  display: grid;
  gap: 8px;
}

.material-content li {
  position: relative;
  padding-left: 18px;
}

.material-content li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ===== Architecture ===== */
.arch-wrapper {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}

.arch-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.arch-row {
  width: 100%;
}

.arch-box {
  padding: 24px 28px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  text-align: center;
  transition: var(--transition);
}

.arch-box:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.arch-box.highlight {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.arch-layer-name {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.arch-items {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
}

.arch-items span {
  padding: 6px 16px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  background: var(--color-bg-gray);
  border-radius: 6px;
  border: 1px solid var(--color-border-light);
}

.arch-box.highlight .arch-items span {
  background: #fff;
}

.arch-arrow {
  color: var(--color-primary);
  font-size: 1rem;
  padding: 8px 0;
  opacity: 0.5;
}

.arch-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 20px;
}

.feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.feature-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-top: 8px;
  flex-shrink: 0;
}

.feature-item h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.feature-item p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* ===== Scenarios ===== */
.scenario-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.scenario-item {
  display: flex;
  gap: 20px;
  padding: 32px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.scenario-item:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(0, 102, 204, 0.2);
}

.scenario-icon {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-light);
  border-radius: var(--radius);
  color: var(--color-primary);
}

.scenario-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.scenario-body p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== About ===== */
.about-layout {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 48px;
  align-items: start;
}

.about-text {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--color-border);
}

.metric {
  text-align: center;
}

.metric-value {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
}

.metric-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.about-side {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-card {
  padding: 28px;
}

.about-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.about-card p {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.scope-card ul li {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  padding: 6px 0;
  border-bottom: 1px solid var(--color-border-light);
  position: relative;
  padding-left: 14px;
}

.scope-card ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

.scope-card ul li:last-child {
  border-bottom: none;
}

/* ===== Contact ===== */
.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}

.contact-info {
  padding: 40px;
}

.contact-row {
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.contact-row:last-child {
  border-bottom: none;
}

.contact-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.contact-row p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  padding-left: 28px;
}

.contact-map {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 360px;
  background: var(--color-bg-gray);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.72fr);
  gap: 34px;
  align-items: stretch;
}

.contact-grid .contact-info {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  padding: 0;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
  background: #fff;
}

.contact-item {
  min-width: 0;
  padding: 22px 24px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.contact-grid .contact-info .contact-item:last-child {
  grid-column: 1 / -1;
}

.contact-item h3 {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 9px;
  color: var(--color-primary);
  font-size: 0.9rem;
}

.contact-icon {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  color: var(--color-primary);
  border: 1px solid rgba(0, 102, 204, 0.18);
  border-radius: 50%;
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.96),
    rgba(232, 243, 255, 0.78)
  );
}

.contact-icon svg {
  width: 16px;
  height: 16px;
  display: block;
}

.contact-icon-phone {
  color: #087f8c;
  border-color: rgba(8, 127, 140, 0.2);
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.96),
    rgba(222, 247, 250, 0.7)
  );
}

.contact-icon-mail {
  color: #4355c8;
  border-color: rgba(67, 85, 200, 0.2);
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.96),
    rgba(235, 238, 255, 0.72)
  );
}

.contact-icon-site {
  color: #b26a00;
  border-color: rgba(178, 106, 0, 0.2);
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.96),
    rgba(255, 244, 224, 0.74)
  );
}

.contact-icon-time {
  color: #315f7c;
  border-color: rgba(49, 95, 124, 0.2);
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.96),
    rgba(231, 241, 247, 0.74)
  );
}

.contact-item p,
.contact-item a {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.contact-copy-row {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  min-height: 28px;
}

.contact-copy-row a {
  min-width: 0;
}

.copy-contact-btn {
  flex: 0 0 auto;
  min-height: 24px;
  padding: 0 8px;
  border: 1px solid rgba(37, 99, 235, 0.18);
  border-radius: 999px;
  color: var(--color-primary);
  background: rgba(37, 99, 235, 0.05);
  font: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 22px;
  cursor: pointer;
  opacity: 0;
  transform: translateX(-4px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.contact-copy-row:hover .copy-contact-btn,
.contact-copy-row:focus-within .copy-contact-btn {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.copy-contact-btn:hover {
  border-color: rgba(37, 99, 235, 0.38);
  background: rgba(37, 99, 235, 0.1);
}

.copy-contact-btn:disabled {
  cursor: default;
  opacity: 0.72;
}

@media (hover: none), (pointer: coarse) {
  .copy-contact-btn {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

  .contact-copy-row a[href^="tel:"] + .copy-contact-btn {
    display: none;
  }
}

.contact-grid .contact-map {
  min-height: 0;
  padding: 28px;
  border: 1px solid var(--color-border);
  background: #fff;
}

.map-placeholder {
  min-height: 100%;
  display: grid;
  place-content: center;
  gap: 18px;
  padding: 24px;
  text-align: center;
  color: var(--color-text-muted);
}

.map-placeholder svg {
  margin: 0 auto;
  color: var(--color-primary);
  opacity: 0.48;
}

.map-placeholder p {
  font-size: 0.9rem;
}

.map-shot {
  position: relative;
  width: 100%;
  min-height: 100%;
  overflow: hidden;
  border: 1px solid var(--color-border-light);
  background: #eef4fb;
}

.map-shot img {
  width: 100%;
  height: 100%;
  min-height: 390px;
  object-fit: cover;
  filter: saturate(0.96) contrast(1.02);
}

.map-pin {
  position: absolute;
  left: 53%;
  top: 50%;
  width: 42px;
  height: 42px;
  color: var(--color-primary);
  transform: translate(-50%, -100%);
  filter: drop-shadow(0 10px 18px rgba(0, 70, 150, 0.26));
  z-index: 2;
  pointer-events: none;
}

.map-pin::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -4px;
  width: 18px;
  height: 7px;
  border-radius: 50%;
  background: rgba(0, 70, 150, 0.18);
  transform: translateX(-50%);
}

.map-pin svg {
  display: block;
  width: 100%;
  height: 100%;
}

.map-shot figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 14px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--color-text-secondary);
  font-size: 0.86rem;
  line-height: 1.45;
  box-shadow: 0 12px 32px rgba(31, 48, 70, 0.12);
  backdrop-filter: blur(10px);
}

/* ===== Footer ===== */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.footer-en {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer-meta {
  display: grid;
  justify-items: end;
  gap: 6px;
  text-align: right;
}

.footer-icp {
  color: var(--color-text-muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.footer-icp:hover {
  color: var(--color-primary);
}

/* ===== Fade-in Animation ===== */
.fade-in {
  opacity: 1;
  transform: none;
}

.motion-ready .fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in[data-delay] {
  transition-delay: calc(var(--delay, 0) * 1ms);
}

/* ===== Back to Top ===== */
.back-top {
  position: fixed;
  right: 24px;
  bottom: 82px;
  z-index: 999;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition:
    opacity var(--transition),
    transform var(--transition),
    visibility var(--transition),
    box-shadow var(--transition);
}

.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-top:hover {
  box-shadow: var(--shadow-md);
  background: var(--color-primary-light);
}

/* Current homepage layout: hero carousel, overview band, partners and compact about block. */
/* ===== Industrial homepage refresh ===== */
.header {
  background: transparent;
  border-bottom-color: rgba(255, 255, 255, 0.18);
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.header .logo-cn,
.header .logo-en,
.header .nav a,
.header .nav-trigger {
  color: #fff;
}

.header .logo img {
  filter: none;
}

.header .menu-toggle span {
  background: #fff;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: var(--color-border-light);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header.menu-open {
  background: #fff;
  border-bottom-color: var(--color-border-light);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header.scrolled .logo-cn {
  color: var(--color-text);
}
.header.scrolled .logo-en {
  color: var(--color-text-muted);
}
.header.scrolled .nav a,
.header.scrolled .nav-trigger {
  color: var(--color-text-secondary);
}
.header.scrolled .nav a:hover,
.header.scrolled .nav a.active,
.header.scrolled .nav-trigger:hover {
  color: var(--color-primary);
}
.header.scrolled .logo img {
  filter: none;
}
.header.scrolled .menu-toggle span {
  background: var(--color-text);
}
.header.menu-open .logo-cn {
  color: var(--color-text);
}
.header.menu-open .logo-en {
  color: var(--color-text-muted);
}
.header.menu-open .logo img {
  filter: none;
}
.header.menu-open .nav a,
.header.menu-open .nav-trigger {
  color: var(--color-text-secondary);
}
.header.menu-open .nav a:hover,
.header.menu-open .nav a.active,
.header.menu-open .nav-trigger:hover {
  color: var(--color-primary);
}
.header.menu-open .menu-toggle span {
  background: var(--color-text);
}

.hero {
  min-height: 720px;
  height: 92vh;
  padding: var(--header-h) 0 0;
  display: flex;
  align-items: center;
  isolation: isolate;
  background: #182333;
}

.hero::before {
  display: none;
}

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

.hero-background {
  z-index: -3;
  object-fit: cover;
  object-position: center;
  transform: scale(1.01);
}

.responsive-mobile {
  display: none;
}

.hero-overlay {
  z-index: -2;
  background: linear-gradient(
    90deg,
    rgba(7, 17, 31, 0.82) 0%,
    rgba(7, 17, 31, 0.59) 46%,
    rgba(7, 17, 31, 0.12) 82%
  );
}

.hero-inner {
  display: block;
  width: 100%;
}

.hero-content {
  max-width: 790px;
  padding-top: 20px;
}

.hero-eyebrow {
  color: rgba(255, 255, 255, 0.74);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  margin-bottom: 22px;
}

.hero-title {
  color: #fff;
  font-size: clamp(2.8rem, 5vw, 4.6rem);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: 0;
  margin-bottom: 24px;
}

.hero-subtitle {
  color: #fff;
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  font-weight: 400;
  margin-bottom: 18px;
}

.hero-desc {
  color: rgba(255, 255, 255, 0.72);
  font-size: 1rem;
  line-height: 1.9;
  max-width: 680px;
  margin-bottom: 34px;
}

.hero .btn {
  min-width: 168px;
  min-height: 50px;
  border-radius: 2px;
}

.hero .btn-primary {
  background: #0878dd;
  gap: 14px;
}

.hero .btn-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.65);
}

.hero .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
}

.scroll-cue {
  position: absolute;
  right: max(24px, calc((100vw - 1200px) / 2 + 24px));
  bottom: 38px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  z-index: 2;
}

.scroll-cue i {
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, 0.5);
  position: relative;
  overflow: hidden;
}

.scroll-cue i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: #fff;
  transform: translateY(-100%);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
  50%,
  100% {
    transform: translateY(100%);
  }
}

.overview {
  padding: 78px 0 82px;
  background: #fff;
  border-bottom: 1px solid var(--color-border-light);
}

.overview-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 74px;
  align-items: end;
}

.overview-copy h2 {
  font-size: clamp(1.8rem, 3vw, 2.55rem);
  line-height: 1.35;
  font-weight: 700;
  margin: 2px 0 18px;
}

.overview-copy p {
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.overview-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-left: 1px solid var(--color-border);
}

.overview-metrics > div {
  min-width: 0;
  padding: 8px 20px;
  border-right: 1px solid var(--color-border);
}

.overview-metrics strong {
  display: block;
  color: var(--color-primary);
  font-size: clamp(1.7rem, 3vw, 2.55rem);
  font-weight: 600;
  line-height: 1.15;
  white-space: nowrap;
}

.overview-metrics sup {
  font-size: 0.46em;
}

.overview-metrics span {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.78rem;
  margin-top: 10px;
  white-space: nowrap;
}

.section {
  padding: 110px 0;
}

.section-header {
  text-align: left;
  max-width: 760px;
  margin-bottom: 52px;
}

.section-header .section-line {
  margin-left: 0;
}
.section-header .section-desc {
  margin-left: 0;
  max-width: 680px;
}

.section-title {
  font-size: clamp(1.9rem, 3.5vw, 2.65rem);
  line-height: 1.35;
  text-wrap: balance;
}

.section-desc,
.cap-card p,
.solution-card > p,
.scenario-body p,
.material-content p {
  text-wrap: pretty;
}

.cap-grid {
  gap: 0;
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.cap-card {
  display: flex;
  flex-direction: column;
  min-height: 228px;
  padding: 32px 28px;
  border: none;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  border-radius: 0;
  box-shadow: none;
}

.cap-card:hover {
  background: var(--color-primary);
  box-shadow: none;
  transform: none;
}

.cap-card:hover .card-icon,
.cap-card:hover h3,
.cap-card:hover p {
  color: #fff;
}

.solution-grid {
  gap: 28px;
}

.solution-card {
  display: flex;
  flex-direction: column;
  border: none;
  border-radius: 0;
  background: #fff;
  box-shadow: none;
}

.solution-card:hover {
  box-shadow: 0 16px 44px rgba(20, 45, 75, 0.12);
}

.solution-image {
  flex: 0 0 auto;
  height: auto;
  aspect-ratio: 16 / 8.2;
  border: 0;
}

.solution-tags {
  margin-top: auto;
}

.solution-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  margin-top: auto;
  padding-top: 20px;
  color: var(--color-primary);
  font-size: 0.88rem;
  font-weight: 700;
}

.solution-link span {
  transition: transform var(--transition);
}
.solution-link:hover span {
  transform: translateX(4px);
}
.solution-link + .solution-tags {
  margin-top: 18px;
}

.solution-num {
  color: rgba(0, 102, 204, 0.14);
  font-size: 2.6rem;
}

.materials-grid {
  gap: 0;
}

.material-card {
  border: none;
  border-radius: 0;
  box-shadow: none;
  border-bottom: 1px solid var(--color-border);
}

.material-card:first-child {
  border-top: 1px solid var(--color-border);
}

.material-content span {
  padding: 0;
  border-radius: 0;
  background: none;
  letter-spacing: 0.08em;
}

.material-content h3 {
  font-size: 1.7rem;
}

.overview-metrics > div {
  display: grid;
  justify-items: center;
  align-content: center;
  text-align: center;
}

.arch-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  align-items: stretch;
}

.arch-items span {
  display: grid;
  place-items: center;
  min-height: 38px;
  text-align: center;
}

/* ===== Partners & Team ===== */
.partner-showcase {
  position: relative;
  overflow: hidden;
  width: 100%;
  max-width: 100%;
  margin-inline: 0;
  padding: 6px 0 18px;
  align-items: stretch;
  scroll-margin-top: calc(var(--header-h) + 24px);
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent 0,
    #000 8%,
    #000 92%,
    transparent 100%
  );
  mask-image: linear-gradient(
    90deg,
    transparent 0,
    #000 8%,
    #000 92%,
    transparent 100%
  );
}

.partner-marquee-track {
  display: flex;
  width: max-content;
  gap: 16px;
  animation: partner-marquee 38s linear infinite;
  will-change: transform;
}

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

@keyframes partner-marquee {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(calc(-50% - 8px), 0, 0);
  }
}

.partner-card {
  display: grid;
  grid-template-rows: 112px 1fr;
  width: clamp(250px, 18vw, 315px);
  min-width: 0;
  overflow: hidden;
  border: 1px solid #dfe8f3;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 16px 36px rgba(26, 50, 82, 0.06);
  transition:
    transform var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.partner-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 96, 176, 0.28);
  box-shadow: 0 22px 48px rgba(26, 50, 82, 0.1);
}

.partner-card[aria-hidden="true"] {
  pointer-events: none;
}

.partner-mark {
  display: grid;
  place-items: center;
  min-width: 0;
  padding: 18px;
  border-bottom: 1px solid #e8eef6;
  background: #fff;
}

.partner-mark img {
  display: block;
  width: 100%;
  max-width: 214px;
  max-height: 72px;
  object-fit: contain;
}

.partner-mark strong {
  display: -webkit-box;
  max-width: 100%;
  overflow: hidden;
  color: #101827;
  font-size: clamp(1rem, 0.86rem + 0.26vw, 1.2rem);
  font-weight: 850;
  line-height: 1.35;
  text-align: center;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.partner-info {
  display: grid;
  align-content: start;
  gap: 8px;
  min-width: 0;
  padding: 15px 18px 18px;
}

.partner-name {
  display: block;
  color: #111827;
  font-size: clamp(0.95rem, 0.86rem + 0.18vw, 1.05rem);
  font-weight: 850;
  line-height: 1.45;
}

.partner-info span {
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.partner-info p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.7;
}

/* ===== Slim Homepage ===== */
.home-slim .hero {
  min-height: 640px;
  height: 84vh;
}

.home-business-hero {
  min-height: 680px;
  height: min(860px, 88vh);
  padding: 0;
  display: block;
}

.home-hero-stage,
.home-hero-slide {
  position: absolute;
  inset: 0;
}

.home-hero-slide {
  display: flex;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.7s ease;
}

.home-hero-slide.active {
  opacity: 1;
  pointer-events: auto;
}

.home-hero-slide .hero-overlay {
  background:
    linear-gradient(
      90deg,
      rgba(6, 16, 31, 0.86) 0%,
      rgba(8, 22, 41, 0.7) 44%,
      rgba(8, 22, 41, 0.32) 100%
    ),
    linear-gradient(180deg, rgba(4, 13, 26, 0.22), rgba(4, 13, 26, 0.46));
}

.home-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  width: 100%;
  padding-top: var(--header-h);
}

.home-hero-copy {
  max-width: 760px;
}

.home-hero-copy .hero-title {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(2.9rem, 5.4vw, 5.2rem);
  line-height: 1.12;
}

.home-hero-copy .hero-desc {
  max-width: 680px;
  margin-bottom: 24px;
}

.home-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 32px;
}

.home-hero-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: rgba(255, 255, 255, 0.78);
  background: rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  font-weight: 700;
  backdrop-filter: blur(10px);
}

.home-hero-controls {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 34px;
  display: inline-flex;
  align-items: center;
  transform: translateX(-50%);
}

.home-hero-dots button {
  border: 0;
  background: rgba(255, 255, 255, 0.38);
  cursor: pointer;
}

.home-hero-dots button:hover,
.home-hero-dots button.active {
  background: #fff;
}

.home-hero-dots {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.home-hero-dots button {
  width: 38px;
  height: 4px;
  padding: 0;
  border-radius: 0;
}

.home-hero-dots button.active {
  width: 62px;
  background: #fff;
}

.home-overview-band {
  padding: clamp(40px, 5vw, 68px) 0;
  border-bottom: 1px solid var(--color-border-light);
  background: #fff;
}

.home-overview-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(520px, 1.15fr);
  gap: clamp(38px, 7vw, 92px);
  align-items: center;
}

.home-overview-copy span {
  display: block;
  margin-bottom: 18px;
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.16em;
}

.home-overview-copy h2 {
  margin-bottom: 18px;
  color: var(--color-text);
  font-size: clamp(1.9rem, 3.2vw, 3.05rem);
  line-height: 1.25;
  text-wrap: balance;
}

.home-overview-copy p {
  max-width: 620px;
  color: var(--color-text-secondary);
  font-size: 0.98rem;
  line-height: 1.9;
}

.home-overview-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--color-border-light);
  background: #fbfdff;
}

.home-overview-metrics div {
  min-height: 118px;
  display: grid;
  align-content: center;
  justify-items: start;
  gap: 12px;
  padding: 22px 26px;
  border-right: 1px solid var(--color-border-light);
  text-align: left;
}

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

.home-overview-metrics strong,
.home-overview-metrics small {
  display: block;
}

.home-overview-metrics strong {
  color: var(--color-primary);
  font-size: clamp(1.45rem, 2.35vw, 2.12rem);
  line-height: 1;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.home-overview-metrics small {
  color: var(--color-text);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.45;
  text-transform: uppercase;
}

.home-capabilities-section {
  background: #fff;
}

.home-cap-grid .cap-card {
  min-height: 174px;
  padding: 28px;
}

.home-cap-grid .card-icon {
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  color: var(--color-primary);
}

.home-cap-grid .card-icon .stage-symbol {
  width: 42px;
  height: 42px;
}

.home-cap-grid .card-icon .stage-symbol svg {
  width: 22px;
  height: 22px;
}

.home-slim .section {
  padding: 84px 0;
}

.home-slim .section-header {
  margin-bottom: 38px;
}

.home-section-row {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 32px;
  max-width: none;
}

.home-section-row > div {
  max-width: 760px;
}

.section-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  margin-bottom: 4px;
  color: var(--color-primary);
  font-size: 0.92rem;
  font-weight: 800;
}

.section-more span {
  transition: transform var(--transition);
}

.section-more:hover span {
  transform: translateX(4px);
}

.home-slim .product-topic-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.home-slim .product-topic-card {
  grid-template-columns: minmax(260px, 0.88fr) minmax(0, 1fr);
  grid-template-rows: auto;
}

.home-slim .product-topic-media img {
  height: 100%;
  min-height: 300px;
  aspect-ratio: auto;
}

.home-slim .product-topic-body {
  padding: 34px;
}

.home-slim .solution-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.solution-carousel {
  position: relative;
}

.solution-carousel-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: calc((100% - 26px) / 2);
  gap: 26px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-padding-inline: 2px;
  padding: 2px 2px 18px;
  scrollbar-width: none;
}

.solution-carousel-track::-webkit-scrollbar {
  display: none;
}

.solution-carousel-card {
  min-width: 0;
  transition:
    border-color 0.22s ease,
    box-shadow 0.22s ease,
    transform 0.22s ease;
}

.solution-carousel-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 102, 204, 0.28);
  box-shadow: 0 18px 46px rgba(26, 57, 95, 0.12);
}

.solution-card-hit {
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
}

.solution-carousel-card .solution-link,
.solution-carousel-card [data-edit-text],
.solution-carousel-card [data-edit-image] {
  position: relative;
  z-index: 2;
}

.solution-carousel-dots {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 9px;
  margin-top: 8px;
}

.solution-carousel-dots button {
  width: 22px;
  height: 3px;
  border: 0;
  border-radius: 999px;
  background: #c8d5e6;
  cursor: pointer;
  transition:
    width 0.22s ease,
    background 0.22s ease;
}

.solution-carousel-dots button.active {
  width: 42px;
  background: var(--color-primary);
}

@media (min-width: 1800px) {
  .solution-carousel-track {
    grid-auto-columns: calc((100% - 52px) / 3);
  }
}

.solution-switcher {
  position: fixed;
  top: calc(var(--header-h) + 16px);
  right: 24px;
  z-index: 20;
}

.solution-switcher .container {
  width: auto;
  margin: 0;
  padding: 0;
}

.solution-switch-menu {
  position: relative;
}

.solution-switch-menu > summary {
  min-height: 38px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 36px 0 14px;
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: 850;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(216, 226, 238, 0.9);
  box-shadow: 0 12px 30px rgba(18, 42, 73, 0.08);
  backdrop-filter: blur(10px);
  cursor: pointer;
  list-style: none;
}

.solution-switch-menu > summary::-webkit-details-marker {
  display: none;
}

.solution-switch-menu > summary::after {
  content: "";
  position: absolute;
  right: 14px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-70%) rotate(45deg);
  transition: transform 180ms ease;
}

.solution-switch-menu[open] > summary::after {
  transform: translateY(-30%) rotate(225deg);
}

.solution-switch-list {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: min(260px, calc(100vw - 48px));
  padding: 8px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--color-border);
  box-shadow: 0 24px 58px rgba(28, 53, 83, 0.14);
}

.solution-switch-link {
  display: block;
  padding: 10px 12px;
  color: var(--color-text-secondary);
  font-size: 0.84rem;
  font-weight: 760;
  white-space: nowrap;
}

.solution-switch-link:hover,
.solution-switch-link.active {
  background: #edf5ff;
  color: var(--color-primary);
}

.home-slim .solution-card > :not(.solution-image) {
  margin-left: 24px;
  margin-right: 24px;
}

.home-slim .solution-card {
  padding-bottom: 26px;
}

.motion-ready .home-slim .solution-grid .solution-card.fade-in {
  opacity: 1;
  transform: none;
}

.home-slim .solution-num {
  display: none;
}

.home-slim .solution-num.solution-symbol {
  display: flex;
}

.about-brief-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.72fr);
  gap: 56px;
  align-items: start;
}

.about-brief-card {
  padding: 30px;
  border: 1px solid var(--color-border);
  background: #fff;
  box-shadow: 0 18px 44px rgba(26, 50, 82, 0.06);
}

.about-brief-card h3 {
  margin-bottom: 10px;
  color: var(--color-primary);
  font-size: 1.05rem;
}

.about-brief-card > p {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.75;
}

.about-brief-card .team-list {
  margin-top: 22px;
}

.about-scope-panel {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border-light);
}

.about-scope-panel h3 {
  margin-bottom: 12px;
  color: var(--color-text);
  font-size: 0.98rem;
}

.about-scope-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about-scope-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid #d9e8fb;
  background: #f8fbff;
  color: var(--color-text-secondary);
  font-size: 0.82rem;
  line-height: 1.35;
}

.about-value-list {
  display: grid;
  gap: 12px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--color-border-light);
}

.about-value-list div {
  padding: 14px 16px;
  background: #f8fbff;
  border-left: 3px solid var(--color-primary);
}

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

.about-value-list strong {
  margin-bottom: 5px;
  color: var(--color-text);
  font-size: 0.88rem;
}

.about-value-list span {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  line-height: 1.65;
}

.team-card {
  grid-column: 1 / -1;
}
.team-card > p {
  margin-bottom: 20px;
}

.team-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border-light);
  border-left: 1px solid var(--color-border-light);
}

.team-list li {
  min-height: 96px;
  padding: 18px;
  border-right: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
}

.team-list strong,
.team-list span {
  display: block;
}
.team-list strong {
  margin-bottom: 5px;
  color: var(--color-primary);
  font-size: 0.86rem;
}
.team-list span {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  line-height: 1.65;
}

/* Core business and solution detail pages, including product galleries and switchers. */
/* ===== Solution Detail Page ===== */
.detail-page .header {
  background: rgba(255, 255, 255, 0.97);
  border-bottom-color: var(--color-border-light);
}

.detail-page .header .logo-cn {
  color: var(--color-text);
}
.detail-page .header .logo-en {
  color: var(--color-text-muted);
}
.detail-page .header .nav a,
.detail-page .header .nav-trigger {
  color: var(--color-text-secondary);
}
.detail-page .header .menu-toggle span {
  background: var(--color-text);
}

.detail-hero {
  position: relative;
  min-height: min(760px, 88dvh);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  color: #fff;
}

.detail-hero > img,
.detail-hero > picture,
.detail-hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.detail-hero > img,
.detail-hero > picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.detail-hero-overlay {
  background: linear-gradient(
    90deg,
    rgba(7, 17, 31, 0.9),
    rgba(7, 17, 31, 0.48) 62%,
    rgba(7, 17, 31, 0.18)
  );
}

.detail-hero-content {
  position: relative;
  z-index: 1;
  padding-bottom: clamp(70px, 10vh, 110px);
}

.detail-hero-content > span,
.detail-media > span {
  color: #80bfff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.detail-hero-content h1 {
  max-width: 900px;
  margin: 18px 0 22px;
  font-size: clamp(3rem, 6vw, 5.6rem);
  line-height: 1.12;
  text-wrap: balance;
}

.detail-hero-content p {
  max-width: 680px;
  margin-bottom: 32px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 1.08rem;
}

.detail-anchor-nav {
  position: sticky;
  top: var(--header-h);
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(12px);
}

.detail-anchor-nav .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.detail-anchor-nav a {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 18px 20px;
  border-left: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
  font-size: 0.85rem;
  text-align: center;
}
.detail-anchor-nav a:last-child {
  border-right: 1px solid var(--color-border-light);
}
.detail-anchor-nav .nav-stage-icon {
  width: 26px;
  height: 26px;
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
}
.detail-anchor-nav .nav-stage-icon .stage-symbol {
  width: 26px;
  height: 26px;
}
.detail-anchor-nav .nav-stage-icon svg {
  width: 15px;
  height: 15px;
}

.solution-overview-band {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}
.solution-overview-band .container {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-left: 1px solid var(--color-border-light);
}
.solution-overview-band .container > div {
  min-height: 112px;
  display: grid;
  align-content: center;
  gap: 12px;
  padding: 22px clamp(22px, 2.2vw, 34px);
  border-right: 1px solid var(--color-border-light);
}
.solution-overview-band span,
.solution-overview-band strong {
  display: block;
}
.solution-overview-band strong {
  max-width: 100%;
  color: var(--color-primary-dark);
  font-size: clamp(0.95rem, 0.92vw, 1.06rem);
  line-height: 1.45;
  white-space: nowrap;
  overflow-wrap: normal;
  word-break: keep-all;
  font-weight: 800;
}
.solution-overview-band span {
  color: var(--color-text);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  line-height: 1.45;
  text-transform: uppercase;
}

.detail-solution {
  scroll-margin-top: calc(var(--header-h) + 62px);
}
.detail-solution-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(48px, 7vw, 92px);
  align-items: start;
}
.detail-solution-grid.reverse .detail-media {
  order: 2;
}
.detail-media {
  position: sticky;
  top: calc(var(--header-h) + 92px);
  overflow: hidden;
  background: #eaf0f8;
}
.detail-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.detail-media > span {
  display: block;
  padding: 18px 20px;
  color: var(--color-primary);
  background: #fff;
  border: 1px solid var(--color-border);
  border-top: 0;
}
.detail-copy h2 {
  margin: 8px 0 20px;
  font-size: clamp(2rem, 3.5vw, 3.4rem);
  line-height: 1.22;
  text-wrap: balance;
}
.detail-lead {
  color: var(--color-text-secondary);
  font-size: 1rem;
  line-height: 1.9;
}
.detail-facts {
  display: grid;
  gap: 0;
  margin: 34px 0;
  border-top: 1px solid var(--color-border);
}
.detail-facts > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-border);
}
.detail-facts strong {
  color: var(--color-text);
  font-size: 0.88rem;
}
.detail-facts p {
  color: var(--color-text-muted);
  font-size: 0.86rem;
}
.detail-copy h3 {
  margin-bottom: 16px;
  font-size: 1rem;
}
.detail-deliverables {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}
.detail-deliverables li {
  position: relative;
  min-height: 78px;
  padding: 20px 18px 18px 38px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.84rem;
}
.detail-deliverables li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 27px;
  width: 7px;
  height: 7px;
  background: var(--color-primary);
}

.solution-deep-dive {
  margin-top: clamp(70px, 9vw, 120px);
  padding-top: clamp(54px, 7vw, 86px);
  border-top: 1px solid var(--color-border);
}
.solution-subhead {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1.15fr);
  gap: 24px 70px;
  align-items: end;
  margin-bottom: 40px;
}
.solution-subhead > span {
  grid-column: 1 / -1;
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.solution-subhead h3 {
  font-size: clamp(1.65rem, 3vw, 2.65rem);
  line-height: 1.3;
  text-wrap: balance;
}
.solution-subhead p {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.85;
}

.solution-challenge-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}
.solution-challenge-grid article {
  min-height: 190px;
  padding: 24px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.44);
}
.solution-challenge-grid .stage-symbol {
  width: 38px;
  height: 38px;
}
.solution-challenge-grid .stage-symbol svg {
  width: 20px;
  height: 20px;
}
.solution-challenge-grid h4 {
  margin: 34px 0 10px;
  font-size: 1rem;
}
.solution-challenge-grid p {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  line-height: 1.75;
}

.solution-chain {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 26px minmax(0, 1fr) 26px minmax(
      0,
      1fr
    ) 26px minmax(0, 1fr) 26px minmax(0, 1fr);
  align-items: center;
  margin-top: 44px;
}
.solution-chain > div {
  min-height: 132px;
  display: grid;
  align-content: center;
  padding: 20px;
  border: 1px solid var(--color-border);
  background: #fff;
  text-align: center;
}
.solution-chain > div > span,
.solution-chain > div > strong,
.solution-chain > div > small {
  display: block;
}
.solution-chain > div > span {
  margin-bottom: 11px;
  color: var(--color-primary);
  font-size: 0.65rem;
  font-weight: 700;
}
.solution-chain > div > strong {
  font-size: 0.9rem;
}
.solution-chain > div > small {
  margin-top: 7px;
  color: var(--color-text-muted);
  font-size: 0.68rem;
  line-height: 1.5;
}
.solution-chain > i {
  position: relative;
  height: 1px;
  background: var(--color-primary);
  opacity: 0.55;
}
.solution-chain > i::after {
  content: "";
  position: absolute;
  right: 0;
  top: -3px;
  width: 6px;
  height: 6px;
  border-top: 1px solid var(--color-primary);
  border-right: 1px solid var(--color-primary);
  transform: rotate(45deg);
}

.solution-phases {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 44px;
  border-top: 1px solid var(--color-border);
}
.solution-phases > div {
  position: relative;
  padding: 24px 24px 8px 0;
}
.solution-phases strong {
  display: block;
}
.solution-phases .stage-symbol {
  width: 34px;
  height: 34px;
  margin-bottom: 14px;
}
.solution-phases .stage-symbol svg {
  width: 18px;
  height: 18px;
}
.solution-phases strong {
  margin: 0 0 7px;
  font-size: 0.92rem;
}
.solution-phases p {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  line-height: 1.7;
}

.project-playbook {
  background: #eef4fa;
}
.project-playbook-head {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 20px 70px;
  align-items: end;
  margin-bottom: 46px;
}
.project-playbook-head > span {
  grid-column: 1 / -1;
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.project-playbook-head h2 {
  font-size: clamp(2rem, 3.5vw, 3.4rem);
  line-height: 1.25;
  text-wrap: balance;
}
.project-playbook-head p {
  color: var(--color-text-secondary);
  line-height: 1.9;
}
.project-boundary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}
.project-boundary-grid article {
  min-height: 300px;
  padding: 28px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.65);
}
.project-boundary-grid .stage-symbol {
  width: 42px;
  height: 42px;
}
.project-boundary-grid h3 {
  margin: 34px 0 18px;
  font-size: 1.15rem;
}
.project-boundary-grid ul {
  display: grid;
  gap: 10px;
}
.project-boundary-grid li {
  position: relative;
  padding-left: 16px;
  color: var(--color-text-secondary);
  font-size: 0.82rem;
}
.project-boundary-grid li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
}

.detail-cta {
  padding: 72px 0 84px;
  color: #fff;
  background: #12365d;
}
.detail-cta .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.detail-cta span {
  color: #80bfff;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}
.detail-cta h2 {
  margin: 8px 0;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}
.detail-cta p {
  color: rgba(255, 255, 255, 0.7);
}

.product-page .product-hero {
  min-height: 660px;
  display: grid;
  align-items: center;
  margin-top: 0;
  background:
    linear-gradient(
      90deg,
      #f7f9fc 0%,
      #f7f9fc 46%,
      rgba(247, 249, 252, 0.78) 62%,
      rgba(247, 249, 252, 0) 100%
    ),
    radial-gradient(circle at 18% 24%, rgba(0, 102, 204, 0.1), transparent 28%);
}

.product-page .product-hero > img,
.product-page .product-hero > picture {
  left: auto;
  right: 0;
  width: min(58vw, 860px);
  height: 100%;
  object-fit: cover;
}

.product-page .product-hero .detail-hero-overlay {
  background: linear-gradient(
    90deg,
    rgba(247, 249, 252, 0.98),
    rgba(247, 249, 252, 0.82) 50%,
    rgba(247, 249, 252, 0.08)
  );
}

.product-page .detail-hero-content {
  padding: clamp(70px, 9vw, 118px) 0 clamp(58px, 8vw, 92px);
}

.product-page .detail-hero-content > span {
  color: var(--color-primary);
}

.product-page .detail-hero-content h1 {
  max-width: 760px;
  color: var(--color-text);
  font-size: clamp(3rem, 5.8vw, 5.1rem);
}

.product-page .detail-hero-content p {
  max-width: 620px;
  color: var(--color-text-secondary);
}

.product-page main {
  position: relative;
}

.product-switcher {
  position: absolute;
  top: calc(var(--header-h) + 18px);
  right: clamp(18px, 4vw, 64px);
  z-index: 10;
}

.product-switcher .container {
  width: auto;
  margin: 0;
  padding: 0;
}

.product-switch-menu {
  position: relative;
}

.product-switch-menu > summary {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 8px 22px rgba(10, 30, 54, 0.12);
  color: #29425e;
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 800;
  list-style: none;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.product-switch-menu > summary::-webkit-details-marker {
  display: none;
}

.product-switch-menu > summary::after {
  width: 6px;
  height: 6px;
  margin-left: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  content: "";
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.18s ease;
}

.product-switch-menu[open] > summary::after {
  transform: rotate(225deg) translate(-1px, -2px);
}

.product-switch-list {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  display: grid;
  width: min(270px, calc(100vw - 32px));
  gap: 4px;
  padding: 6px;
  border: 1px solid rgba(205, 218, 232, 0.94);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: 0 18px 42px rgba(10, 30, 54, 0.18);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.product-switch-link {
  display: block;
  padding: 9px 10px;
  border-radius: 5px;
  color: var(--color-text-secondary);
  font-size: 0.84rem;
  font-weight: 700;
  transition: var(--transition);
}

.product-switch-link:hover {
  background: #f1f6fd;
  color: var(--color-primary);
}

.product-switch-link.active {
  background: #eaf3ff;
  color: var(--color-primary);
}

.product-switcher + .product-hero {
  min-height: 600px;
}

.aerosol-page .product-hero {
  min-height: 560px;
  background:
    radial-gradient(
      circle at 14% 28%,
      rgba(0, 102, 204, 0.14),
      transparent 24%
    ),
    radial-gradient(
      circle at 44% 58%,
      rgba(64, 135, 210, 0.1),
      transparent 22%
    ),
    linear-gradient(
      90deg,
      #f7f9fc 0%,
      #f7f9fc 48%,
      rgba(247, 249, 252, 0.78) 64%,
      rgba(247, 249, 252, 0) 100%
    );
}

.aerosol-page .product-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(0, 102, 204, 0.22) 0 1px, transparent 1.5px),
    linear-gradient(90deg, rgba(0, 102, 204, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(0, 102, 204, 0.06) 1px, transparent 1px);
  background-size:
    36px 36px,
    120px 120px,
    120px 120px;
  mask-image: linear-gradient(
    90deg,
    #000 0%,
    rgba(0, 0, 0, 0.72) 44%,
    transparent 76%
  );
  opacity: 0.58;
}

.aerosol-page .detail-hero-content {
  z-index: 2;
}

.aerosol-page .detail-hero-content h1 {
  max-width: 720px;
  font-size: clamp(3rem, 5.2vw, 4.8rem);
}

.aerosol-page .detail-hero-content p {
  max-width: 680px;
  font-size: 1.05rem;
}

.aerosol-page .product-overview-band .container > div {
  background: #fff;
}

.aerosol-page .detail-deliverables {
  border-top: 1px solid var(--color-border-light);
}

.aerosol-page .detail-deliverables li {
  min-height: 58px;
}

.aerosol-page .solution-challenge-grid article {
  background: #fff;
}

.topas-catalog-section {
  background: linear-gradient(180deg, #fff 0%, #f8fbff 100%);
  padding: 92px 0;
}

.topas-catalog-head {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(340px, 1.08fr);
  gap: 18px 74px;
  align-items: end;
  margin-bottom: 26px;
}

.topas-catalog-head .section-label {
  grid-column: 1 / -1;
}

.topas-catalog-head h2 {
  max-width: 790px;
  font-size: clamp(2.1rem, 3.8vw, 3.55rem);
  line-height: 1.22;
  text-wrap: balance;
}

.topas-catalog-head p {
  color: var(--color-text-secondary);
  line-height: 1.95;
}

.topas-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.topas-filter-row span {
  border: 1px solid var(--color-border);
  background: #fff;
  padding: 8px 12px;
  color: var(--color-text-secondary);
  font-size: 0.78rem;
  font-weight: 800;
}

.topas-product-list {
  display: grid;
  gap: 14px;
}

.topas-product-item {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 0.58fr);
  min-height: 330px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.94);
}

.topas-product-item.topas-product-deep {
  grid-template-columns: minmax(300px, 0.38fr) minmax(0, 0.62fr);
  min-height: 0;
  align-items: start;
}

.topas-product-item:nth-child(even) {
  grid-template-columns: minmax(0, 0.58fr) minmax(260px, 0.42fr);
}

.topas-product-item.topas-product-deep:nth-child(even) {
  grid-template-columns: minmax(300px, 0.38fr) minmax(0, 0.62fr);
}

.topas-product-item:nth-child(even) .topas-product-media {
  order: 2;
  border-left: 1px solid var(--color-border-light);
  border-right: 0;
}

.topas-product-item.topas-product-deep:nth-child(even) .topas-product-media {
  order: 0;
  border-left: 0;
  border-right: 1px solid var(--color-border-light);
}

.topas-product-media {
  align-self: stretch;
  padding: 28px;
  border-right: 1px solid var(--color-border-light);
  background: #f7faff;
}

.topas-product-gallery {
  display: grid;
  gap: 12px;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.topas-gallery-stage {
  position: relative;
  display: grid;
  aspect-ratio: 1 / 0.92;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(31, 45, 61, 0.11);
  background:
    linear-gradient(
      135deg,
      rgba(255, 255, 255, 0.98),
      rgba(238, 245, 253, 0.98)
    ),
    radial-gradient(circle at 50% 48%, rgba(0, 102, 204, 0.08), transparent 60%);
}

.topas-gallery-stage::before {
  content: "";
  position: relative;
  grid-area: 1 / 1;
  width: 68%;
  height: 68%;
  border: 1px solid rgba(36, 101, 196, 0.08);
  transform: rotate(45deg);
}

.topas-gallery-stage img {
  position: relative;
  z-index: 1;
  grid-area: 1 / 1;
  width: 86%;
  height: 86%;
  object-fit: contain;
  transition:
    opacity 180ms ease,
    transform 240ms ease;
}

.topas-gallery-stage img.is-switching {
  opacity: 0.2;
  transform: scale(0.97);
}

.topas-gallery-count {
  position: absolute;
  z-index: 2;
  right: 10px;
  bottom: 10px;
  padding: 5px 7px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-text-muted);
  font-size: 0.66rem;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
}

.topas-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(54px, 1fr));
  gap: 8px;
}

.topas-gallery-thumb {
  display: grid;
  aspect-ratio: 1.15 / 1;
  place-items: center;
  overflow: hidden;
  padding: 4px;
  border: 1px solid rgba(31, 45, 61, 0.13);
  background: #fff;
  cursor: pointer;
  transition:
    border-color 180ms ease,
    background-color 180ms ease,
    transform 180ms ease;
}

.topas-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.topas-gallery-thumb:hover,
.topas-gallery-thumb:focus-visible,
.topas-gallery-thumb.active {
  border-color: var(--color-primary);
  background: #eef6ff;
  outline: none;
}

.topas-gallery-thumb:active {
  transform: scale(0.97);
}

.topas-product-deep .topas-product-media {
  align-self: start;
  padding: clamp(28px, 3vw, 44px);
}

.topas-product-deep .topas-product-gallery {
  max-width: 420px;
}

.topas-product-copy {
  display: grid;
  align-content: center;
  padding: clamp(28px, 4vw, 56px);
}

.topas-product-deep .topas-product-copy {
  align-content: start;
  padding: clamp(34px, 4.5vw, 62px);
  border-left: 1px solid var(--color-border-light);
}

.topas-product-details {
  display: grid;
  grid-column: 1 / -1;
  border-top: 1px solid var(--color-border-light);
  padding: 0 clamp(30px, 3vw, 46px);
}

.topas-detail-disclosure {
  border-bottom: 1px solid var(--color-border-light);
}

.topas-detail-disclosure summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  min-height: 76px;
  padding: 18px 46px 18px 0;
  color: var(--color-text);
  cursor: pointer;
  list-style: none;
  position: relative;
}

.topas-detail-disclosure summary::-webkit-details-marker {
  display: none;
}

.topas-detail-disclosure summary > span {
  font-size: clamp(1.1rem, 1.5vw, 1.38rem);
  font-weight: 850;
}

.topas-detail-disclosure summary small {
  color: var(--color-text-muted);
  font-size: 0.66rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topas-detail-disclosure summary::after {
  content: "";
  position: absolute;
  right: 9px;
  top: 50%;
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 180ms ease;
}

.topas-detail-disclosure[open] summary::after {
  transform: translateY(-30%) rotate(225deg);
}

.topas-detail-disclosure summary:hover > span,
.topas-detail-disclosure summary:focus-visible > span {
  color: var(--color-primary);
}

.topas-detail-disclosure summary:focus-visible {
  outline: 2px solid rgba(0, 102, 204, 0.28);
  outline-offset: -4px;
}

.topas-detail-panel {
  padding: 0 0 30px;
}

.topas-detail-panel.topas-principle,
.topas-detail-panel.topas-tech-data {
  margin: 0;
  border: 0;
}

.topas-detail-panel.topas-product-context {
  margin: 0;
}

.topas-product-copy > span {
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.topas-product-copy h3 {
  margin: 18px 0 14px;
  color: var(--color-text);
  font-size: clamp(2rem, 3vw, 3.1rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.topas-product-copy p {
  max-width: 620px;
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.topas-product-copy ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.topas-product-copy li {
  border: 1px solid var(--color-border-light);
  background: #f8fbff;
  padding: 6px 10px;
  color: var(--color-text-muted);
  font-size: 0.76rem;
}

.topas-benefits,
.topas-principle,
.topas-tech-data {
  margin-top: 28px;
  border-top: 1px solid var(--color-border-light);
  padding-top: 24px;
}

.topas-benefits h4,
.topas-principle h4,
.topas-tech-data h4 {
  margin-bottom: 14px;
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.topas-benefits ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 18px;
}

.topas-benefits li {
  position: relative;
  min-height: 36px;
  display: flex;
  align-items: flex-start;
  padding: 0 0 0 32px;
  border: 0;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 0.84rem;
  line-height: 1.65;
}

.topas-benefits li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg);
}

.topas-principle p {
  max-width: 760px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.9;
}

.topas-tech-data dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--color-border-light);
}

.topas-tech-data dl > div {
  display: grid;
  grid-template-columns: minmax(120px, 0.46fr) minmax(0, 0.54fr);
  gap: 12px;
  min-height: 48px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.topas-tech-data dt {
  color: var(--color-text-muted);
  font-size: 0.76rem;
}

.topas-tech-data dd {
  color: var(--color-text);
  font-size: 0.82rem;
  font-weight: 700;
}

.topas-product-context {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.topas-product-context section {
  min-width: 0;
  padding: 16px;
  border: 1px solid var(--color-border-light);
  background: #fbfdff;
}

.topas-product-context h4 {
  margin-bottom: 10px;
  color: var(--color-text);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.topas-product-context ul {
  display: grid;
  gap: 7px;
  margin: 0;
}

.topas-product-context li {
  position: relative;
  padding: 0 0 0 12px;
  border: 0;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 0.76rem;
  line-height: 1.6;
}

.topas-product-context li::before {
  content: "";
  position: absolute;
  top: 0.48rem;
  left: 0;
  width: 4px;
  height: 4px;
  background: var(--color-primary);
}

.aerosol-section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: 18px 72px;
  align-items: end;
  margin-bottom: 36px;
}

.aerosol-section-head .section-label {
  grid-column: 1 / -1;
}

.aerosol-section-head h2 {
  max-width: 780px;
  font-size: clamp(2rem, 3.5vw, 3.35rem);
  line-height: 1.25;
  text-wrap: balance;
}

.aerosol-section-head p {
  max-width: 620px;
  color: var(--color-text-secondary);
  line-height: 1.95;
}

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

.aerosol-metrics-section {
  background: linear-gradient(180deg, #fff 0%, #f8fbff 100%);
}

.aerosol-metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.aerosol-metric-grid article {
  min-height: 285px;
  display: grid;
  align-content: start;
  padding: 28px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(
      circle at 92% 10%,
      rgba(0, 102, 204, 0.08),
      transparent 30%
    ),
    rgba(255, 255, 255, 0.88);
}

.card-stage-head {
  display: flex;
  align-items: center;
  gap: 12px;
}

.card-stage-head > span {
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.aerosol-metric-grid h3 {
  margin: 30px 0 12px;
  color: var(--color-text);
  font-size: 1.18rem;
}

.aerosol-metric-grid p {
  color: var(--color-text-secondary);
  font-size: 0.88rem;
  line-height: 1.85;
}

.aerosol-metric-grid ul,
.aerosol-system-map ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}

.aerosol-metric-grid li,
.aerosol-system-map li {
  border: 1px solid var(--color-border-light);
  background: #fff;
  padding: 4px 8px;
  color: var(--color-text-muted);
  font-size: 0.7rem;
}

.aerosol-knowledge-section {
  background:
    radial-gradient(
      circle at 18% 18%,
      rgba(0, 102, 204, 0.08),
      transparent 24%
    ),
    #f8fbff;
}

.aerosol-knowledge-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.84fr) minmax(0, 1.16fr);
  gap: clamp(38px, 6vw, 82px);
  align-items: center;
}

.aerosol-knowledge-copy h2 {
  margin: 12px 0 20px;
  font-size: clamp(2rem, 3.6vw, 3.35rem);
  line-height: 1.25;
  text-wrap: balance;
}

.aerosol-knowledge-copy p {
  color: var(--color-text-secondary);
  line-height: 1.95;
}

.aerosol-system-map {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: stretch;
  gap: 0;
}

.aerosol-system-map > div {
  min-height: 210px;
  display: grid;
  align-content: start;
  padding: 22px 18px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.84);
}

.aerosol-system-map > div + div {
  border-left: 0;
}

.aerosol-system-map .card-stage-head,
.aerosol-system-map strong {
  display: block;
}

.aerosol-system-map .card-stage-head {
  display: flex;
}

.aerosol-system-map strong {
  margin: 34px 0 12px;
  color: var(--color-text);
  font-size: 1.08rem;
}

.aerosol-system-map p {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  line-height: 1.7;
}

.aerosol-system-map > i {
  display: none;
}

.aerosol-system-map ul {
  margin-top: 16px;
}

.aerosol-system-map li {
  background: rgba(248, 251, 255, 0.86);
  font-size: 0.66rem;
}

.aerosol-config-section {
  background: linear-gradient(180deg, #f8fbff 0%, #fff 100%);
}

.aerosol-config-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.aerosol-config-grid article {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.72fr);
  gap: 26px;
  min-height: 300px;
  padding: 30px;
  border: 1px solid var(--color-border);
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.96),
    rgba(248, 251, 255, 0.92)
  );
}

.aerosol-config-grid h3 {
  margin: 40px 0 14px;
  color: var(--color-text);
  font-size: 1.24rem;
}

.aerosol-config-grid p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.88;
}

.aerosol-config-grid ol {
  display: grid;
  gap: 0;
  align-content: start;
  border-top: 1px solid var(--color-border-light);
}

.aerosol-config-grid li {
  position: relative;
  min-height: 54px;
  display: flex;
  align-items: center;
  padding: 12px 0 12px 36px;
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-secondary);
  font-size: 0.82rem;
  line-height: 1.55;
}

.aerosol-config-grid li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 20px;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  transform: rotate(-45deg);
}

.aerosol-project-section {
  background: linear-gradient(180deg, #f8fbff 0%, #fff 100%);
}

.aerosol-case-grid {
  display: grid;
  gap: 18px;
}

.aerosol-case-card {
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(24px, 4vw, 54px);
  align-items: center;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--color-border);
  background: #fff;
  box-shadow: 0 22px 50px rgba(15, 58, 103, 0.06);
}

.aerosol-case-media {
  min-width: 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--color-border-light);
  background:
    radial-gradient(
      circle at 50% 12%,
      rgba(0, 102, 204, 0.08),
      transparent 42%
    ),
    #eef5fb;
}

.aerosol-case-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #f7fbff;
}

.aerosol-case-copy {
  min-width: 0;
}

.aerosol-case-copy > span {
  display: block;
  color: var(--color-primary);
  font-size: 0.74rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.aerosol-case-copy h3 {
  margin: 14px 0 14px;
  color: var(--color-text);
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1.35;
}

.aerosol-case-copy p {
  color: var(--color-text-secondary);
  font-size: 0.94rem;
  line-height: 1.9;
}

.aerosol-case-copy ul {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.aerosol-case-copy li {
  position: relative;
  padding-left: 16px;
  color: var(--color-text-secondary);
  font-size: 0.84rem;
  line-height: 1.72;
}

.aerosol-case-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  background: var(--color-primary);
}

.aerosol-case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.aerosol-case-tags em {
  border: 1px solid var(--color-border-light);
  background: #f8fbff;
  padding: 6px 9px;
  color: var(--color-text-muted);
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 800;
}

.product-components-section {
  background: linear-gradient(180deg, #fff 0%, #f6f9fd 100%);
}

.product-components-head {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  gap: 18px 72px;
  align-items: end;
  margin-bottom: 38px;
}

.product-components-head .section-label {
  grid-column: 1 / -1;
}

.product-components-head h2 {
  max-width: 760px;
  font-size: clamp(2rem, 3.4vw, 3.25rem);
  line-height: 1.25;
  text-wrap: balance;
}

.product-components-head p {
  color: var(--color-text-secondary);
  line-height: 1.9;
}

.product-component-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.product-component-card {
  display: grid;
  grid-template-rows: 210px 1fr;
  min-height: 510px;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.92);
}

.component-media {
  display: grid;
  place-items: center;
  padding: 22px;
  border-bottom: 1px solid var(--color-border-light);
  background:
    radial-gradient(
      circle at 50% 42%,
      rgba(0, 102, 204, 0.08),
      transparent 48%
    ),
    #fff;
}

.component-media img {
  width: 100%;
  max-width: 230px;
  max-height: 164px;
  object-fit: contain;
}

.component-copy {
  display: grid;
  align-content: start;
  padding: 22px;
}

.component-copy .card-stage-head > span {
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.component-copy h3 {
  margin: 18px 0 12px;
  color: var(--color-text);
  font-size: 1.22rem;
}

.component-copy p {
  color: var(--color-text-secondary);
  font-size: 0.84rem;
  line-height: 1.8;
}

.component-copy ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
}

.component-copy li {
  border: 1px solid var(--color-border-light);
  background: #f8fbff;
  padding: 5px 8px;
  color: var(--color-text-muted);
  font-size: 0.72rem;
}

.aerosol-applications-section {
  background: #fff;
}

.aerosol-metrics-section,
.aerosol-knowledge-section,
.aerosol-config-section,
.aerosol-project-section,
.aerosol-page .product-components-section,
.aerosol-applications-section {
  padding: 86px 0;
}

.aerosol-application-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--color-border);
  border-left: 1px solid var(--color-border);
}

.aerosol-application-grid article {
  min-height: 340px;
  display: grid;
  align-content: start;
  padding: 26px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(248, 251, 255, 0.9), #fff);
}

.aerosol-application-grid article > span {
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.aerosol-application-grid h4 {
  margin: 24px 0 12px;
  color: var(--color-text);
  font-size: 1.1rem;
}

.aerosol-application-grid p {
  color: var(--color-text-secondary);
  font-size: 0.86rem;
  line-height: 1.82;
}

.aerosol-application-grid ul {
  display: grid;
  gap: 7px;
  margin-top: 18px;
}

.aerosol-application-grid li {
  position: relative;
  padding-left: 12px;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  line-height: 1.6;
}

.aerosol-application-grid li::before {
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 4px;
  height: 4px;
  background: var(--color-primary);
  content: "";
}

.aerosol-application-grid div {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 20px;
}

.aerosol-application-grid em {
  border: 1px solid var(--color-border-light);
  background: #fff;
  padding: 4px 8px;
  color: var(--color-text-muted);
  font-style: normal;
  font-size: 0.7rem;
}

/* Project consultation dialog and delivery/process sections shared across pages. */
/* ===== Project Consultation Dialog ===== */
.contact-dialog {
  width: min(680px, calc(100vw - 32px));
  max-height: min(740px, calc(100dvh - 32px));
  margin: auto;
  padding: 0;
  overflow: auto;
  border: 1px solid rgba(203, 213, 225, 0.92);
  border-radius: 10px;
  background: #fff;
  color: var(--color-text);
  box-shadow: 0 28px 80px rgba(15, 38, 65, 0.28);
}

.contact-dialog::backdrop {
  background: rgba(8, 24, 42, 0.38);
}

.contact-dialog-inner {
  position: relative;
  padding: 42px;
}

.contact-dialog-close {
  position: absolute;
  top: 14px;
  right: 14px;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: #fff;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 1.35rem;
  line-height: 1;
}

.contact-dialog-close:hover {
  border-color: #9fc5ee;
  color: var(--color-primary);
}

.contact-dialog-kicker {
  display: block;
  color: var(--color-primary);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.contact-dialog h2 {
  margin: 10px 0 8px;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.25;
}

.contact-dialog-lead {
  max-width: 520px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.contact-dialog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 28px;
  margin-top: 26px;
  border-top: 1px solid var(--color-border-light);
}

.contact-dialog-grid section {
  min-width: 0;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.contact-dialog-grid h3 {
  margin-bottom: 8px;
  color: var(--color-text);
  font-size: 0.82rem;
}

.contact-dialog-grid p,
.contact-dialog-grid a {
  overflow-wrap: anywhere;
  color: var(--color-text-secondary);
  font-size: 0.82rem;
  line-height: 1.75;
}

.contact-dialog-grid a {
  color: var(--color-primary);
}

.contact-dialog-grid .contact-copy-row {
  justify-content: space-between;
  gap: 10px;
}

.contact-dialog-grid .copy-contact-btn {
  font-size: 0.7rem;
}

.contact-float {
  position: fixed;
  right: max(24px, calc(env(safe-area-inset-right) + 24px));
  bottom: max(24px, calc(env(safe-area-inset-bottom) + 24px));
  z-index: 120;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 46px;
  height: 46px;
  min-height: 46px;
  padding: 0;
  border: 1px solid rgba(0, 102, 204, 0.2);
  border-radius: 50%;
  background: rgba(0, 102, 204, 0.78);
  color: #fff;
  box-shadow: 0 16px 34px rgba(0, 70, 150, 0.18);
  cursor: pointer;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 850;
  letter-spacing: 0;
  backdrop-filter: blur(12px);
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition),
    opacity var(--transition);
}

.contact-float:hover {
  transform: translateY(-2px);
  background: rgba(0, 87, 184, 0.96);
  box-shadow: 0 22px 52px rgba(0, 70, 150, 0.3);
}

.contact-float svg {
  flex: 0 0 auto;
}

.contact-float span {
  position: absolute;
  right: calc(100% + 10px);
  top: 50%;
  width: max-content;
  max-width: 120px;
  padding: 8px 12px;
  border: 1px solid rgba(0, 102, 204, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--color-primary);
  box-shadow: 0 12px 30px rgba(0, 70, 150, 0.16);
  opacity: 0;
  pointer-events: none;
  transform: translate(6px, -50%);
  transition:
    opacity var(--transition),
    transform var(--transition);
}

.contact-float:hover span {
  opacity: 1;
  transform: translate(0, -50%);
}

.solution-topic-page .product-switcher {
  background: transparent;
}

.solution-topic-page .product-hero {
  background:
    linear-gradient(
      90deg,
      #f7f9fc 0%,
      #f7f9fc 42%,
      rgba(247, 249, 252, 0.76) 61%,
      rgba(247, 249, 252, 0) 100%
    ),
    radial-gradient(circle at 18% 24%, rgba(0, 102, 204, 0.1), transparent 28%);
}

.solution-topic-page .product-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(0, 102, 204, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(0, 102, 204, 0.06) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: linear-gradient(
    90deg,
    #000 0%,
    rgba(0, 0, 0, 0.62) 46%,
    transparent 78%
  );
}

.solution-topic-page .detail-hero-content {
  z-index: 2;
}

.solution-topic-page .solution-challenge-grid article {
  background: linear-gradient(180deg, #fff, #f8fbff);
}

.solution-topic-page .solution-phases {
  border-top-color: rgba(0, 102, 204, 0.2);
}

.product-overview-band {
  background: #fff;
}

.product-overview-band .container {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-overview-band strong {
  white-space: normal;
  overflow-wrap: anywhere;
}

.product-detail-section {
  background: #fff;
}

.product-detail-section .detail-media {
  position: relative;
  top: auto;
  border: 1px solid var(--color-border);
  background: #f4f7fb;
}

.product-detail-section .detail-media,
.product-detail-section .detail-media img {
  border-radius: 0;
}

.product-tag-row {
  margin-top: 26px;
}

.product-deep-dive {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.product-page .detail-cta {
  background: #0f3f73;
}

/* ===== Delivery Method ===== */
.delivery-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
  gap: clamp(42px, 7vw, 96px);
  align-items: start;
}

.delivery-steps {
  list-style: none;
  border-top: 1px solid var(--color-border);
}

.delivery-steps li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  padding: 30px 0 32px;
  border-bottom: 1px solid var(--color-border);
}

.delivery-index {
  color: var(--color-primary);
  font-size: 0.84rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.delivery-steps h3 {
  margin-bottom: 8px;
  color: var(--color-text);
  font-size: 1.18rem;
  font-weight: 700;
}

.delivery-steps p {
  max-width: 680px;
  color: var(--color-text-secondary);
  font-size: 0.94rem;
  line-height: 1.8;
}

.delivery-steps small {
  display: block;
  margin-top: 12px;
  color: var(--color-text-muted);
  font-size: 0.78rem;
}

.delivery-assurance {
  position: sticky;
  top: calc(var(--header-h) + 28px);
  padding: clamp(28px, 4vw, 44px);
  border-top: 3px solid var(--color-primary);
  background: #fff;
  box-shadow: 0 16px 44px rgba(20, 45, 75, 0.08);
}

.delivery-kicker {
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.delivery-assurance > h3 {
  margin: 14px 0 12px;
  font-size: 1.55rem;
  line-height: 1.4;
}

.delivery-assurance > p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.8;
}

.delivery-assurance dl {
  margin-top: 28px;
}

.delivery-assurance dl > div {
  padding: 18px 0;
  border-top: 1px solid var(--color-border-light);
}

.delivery-assurance dt {
  margin-bottom: 5px;
  color: var(--color-text);
  font-size: 0.9rem;
  font-weight: 700;
}

.delivery-assurance dd {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  line-height: 1.7;
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .fade-in {
    opacity: 1;
    transform: none;
  }
  body {
    opacity: 1;
  }
}

/* Responsive overrides. Keep this module last so mobile and high-resolution fixes win. */
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
  }
  .home-business-hero {
    min-height: 760px;
    height: auto;
  }
  .home-hero-slide {
    min-height: 760px;
  }
  .home-hero-inner {
    padding-top: calc(var(--header-h) + 34px);
    padding-bottom: 104px;
  }
  .home-hero-copy .hero-title {
    font-size: clamp(2.35rem, 8vw, 3.6rem);
  }
  .home-overview-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .home-overview-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .home-overview-metrics div {
    padding-inline: 16px;
  }
  .cap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .product-topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .home-slim .product-topic-grid,
  .home-slim .solution-grid,
  .about-brief-layout,
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid .contact-info {
    grid-template-columns: 1fr;
  }
  .contact-grid .contact-info .contact-item:last-child {
    grid-column: auto;
  }
  .home-slim .product-topic-card {
    grid-template-columns: 1fr;
  }
  .home-slim .product-topic-media img {
    min-height: 0;
    aspect-ratio: 16 / 10;
  }
  .home-section-row {
    display: block;
  }
  .section-more {
    margin-top: 18px;
  }
  .solution-carousel-track {
    grid-auto-columns: 100%;
  }
  .solution-switcher {
    right: 18px;
  }
  .arch-wrapper {
    grid-template-columns: 1fr;
  }
  .about-layout {
    grid-template-columns: 1fr;
  }
  .about-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .material-card,
  .material-card:nth-child(even) {
    grid-template-columns: 1fr;
  }
  .material-card:nth-child(even) img {
    order: 0;
  }
  .material-card img {
    min-height: 280px;
  }
  .delivery-layout {
    grid-template-columns: 1fr;
  }
  .delivery-assurance {
    position: static;
  }
  .detail-solution-grid {
    grid-template-columns: 1fr;
  }
  .detail-solution-grid.reverse .detail-media {
    order: 0;
  }
  .detail-media {
    position: static;
  }
  .solution-overview-band .container {
    grid-template-columns: repeat(2, 1fr);
  }
  .solution-overview-band strong {
    white-space: normal;
    overflow-wrap: anywhere;
  }
  .product-overview-band .container {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .product-page .product-hero > img,
  .product-page .product-hero > picture {
    width: 66vw;
  }
  .product-page .detail-hero-content h1 {
    max-width: 650px;
  }
  .topas-catalog-head {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .topas-catalog-head .section-label {
    grid-column: auto;
  }
  .topas-product-item,
  .topas-product-item:nth-child(even),
  .topas-product-item.topas-product-deep,
  .topas-product-item.topas-product-deep:nth-child(even) {
    grid-template-columns: 1fr;
  }
  .topas-product-item:nth-child(even) .topas-product-media {
    order: 0;
    border-left: 0;
    border-right: 0;
  }
  .topas-product-media {
    border-right: 0;
    border-bottom: 1px solid var(--color-border-light);
  }
  .aerosol-section-head {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .aerosol-section-head .section-label {
    grid-column: auto;
  }
  .aerosol-metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .aerosol-case-card {
    grid-template-columns: 1fr;
  }
  .aerosol-knowledge-grid {
    grid-template-columns: 1fr;
  }
  .aerosol-system-map {
    grid-template-columns: repeat(5, minmax(140px, 1fr));
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .aerosol-config-grid {
    grid-template-columns: 1fr;
  }
  .product-components-head {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .product-components-head .section-label {
    grid-column: auto;
  }
  .product-component-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .aerosol-application-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .solution-subhead,
  .project-playbook-head {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .solution-subhead > span,
  .project-playbook-head > span {
    grid-column: auto;
  }
  .solution-challenge-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .solution-phases {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .responsive-desktop {
    display: none !important;
  }
  .responsive-mobile {
    display: block !important;
  }
  .nav {
    position: fixed;
    top: calc(var(--header-h) + 12px);
    right: 16px;
    left: auto;
    z-index: 101;
    width: min(360px, calc(100vw - 32px));
    /* Keep the compact H5 menu from becoming a page-covering sheet on short screens. */
    max-height: min(360px, calc(100dvh - var(--header-h) - 28px));
    overflow-y: auto;
    padding: 10px;
    background: #fff;
    border: 1px solid rgba(31, 45, 61, 0.1);
    box-shadow:
      0 24px 70px rgba(18, 38, 63, 0.18),
      inset 0 1px 0 rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-radius: 8px;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 4px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px) scale(0.98);
    transform-origin: top right;
    transition:
      opacity 220ms ease,
      transform 220ms ease,
      visibility 220ms ease;
  }

  .nav-item {
    width: 100%;
  }

  .nav-submenu {
    position: static;
    min-width: 0;
    padding: 2px 0 4px 14px;
    margin: -2px 0 4px;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
  }

  .nav-submenu a {
    padding: 9px 12px;
    font-size: 0.9rem;
    color: var(--color-text-secondary) !important;
  }

  .nav.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
  }

  .nav a,
  .nav-trigger {
    width: 100%;
    padding: 14px 16px;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
  }

  .nav a::after,
  .nav-trigger::after {
    display: none;
  }

  .nav a:hover,
  .nav a.active,
  .nav-trigger:hover {
    background: rgba(36, 101, 196, 0.08);
    color: var(--color-primary);
  }

  .menu-toggle {
    display: flex;
  }

  .cap-grid {
    grid-template-columns: 1fr;
  }
  .solution-grid {
    grid-template-columns: 1fr;
  }
  .solution-carousel-track {
    grid-auto-columns: 100%;
    gap: 18px;
    padding-bottom: 14px;
  }
  .solution-switcher {
    position: fixed;
    top: calc(var(--header-h) + 12px);
    right: 12px;
  }

  .solution-switch-menu > summary {
    min-height: 32px;
    padding-inline: 10px 30px;
    font-size: 0.74rem;
  }

  .solution-switch-list {
    min-width: min(240px, calc(100vw - 24px));
  }

  .solution-switch-link {
    padding: 9px 10px;
    white-space: normal;
    line-height: 1.35;
  }
  .product-topic-grid {
    grid-template-columns: 1fr;
  }
  .scenario-list {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 72px 0;
  }
  .section-header {
    margin-bottom: 44px;
  }
  .section-title {
    font-size: clamp(1.85rem, 8vw, 2.3rem);
    line-height: 1.28;
  }
  .hero {
    padding-bottom: 72px;
  }
  .hero-inner {
    gap: 30px;
  }
  .solution-card > :not(.solution-image) {
    margin-left: 24px;
    margin-right: 24px;
  }
  .material-content {
    padding: 28px 24px;
  }
  .arch-items {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .partner-showcase {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .detail-hero {
    min-height: 680px;
  }
  .product-page .product-hero {
    min-height: 680px;
    margin-top: 0;
    background: #0b2b4d;
  }
  .product-page .product-hero > img,
  .product-page .product-hero > picture {
    left: 0;
    width: 100%;
    opacity: 0.72;
  }
  .product-page .product-hero .detail-hero-overlay {
    background: linear-gradient(
      180deg,
      rgba(6, 18, 33, 0.32),
      rgba(6, 18, 33, 0.86)
    );
  }
  .product-page .detail-hero-content {
    padding-right: 24px;
    padding-bottom: 72px;
    padding-left: 24px;
  }
  .product-page .detail-hero-content h1 {
    max-width: 9.5em;
    color: #fff;
    font-size: clamp(2.15rem, 9vw, 2.8rem);
    line-height: 1.18;
    overflow-wrap: anywhere;
  }
  .product-page .detail-hero-content p {
    color: rgba(255, 255, 255, 0.82);
  }
  .product-page .detail-hero-content > span {
    color: #93c5fd;
  }
  .aerosol-knowledge-copy h2,
  .aerosol-section-head h2,
  .topas-catalog-head h2,
  .product-components-head h2 {
    font-size: clamp(1.75rem, 8vw, 2.35rem);
  }
  .topas-catalog-section {
    padding: 68px 0;
  }
  .topas-filter-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .topas-filter-row span {
    text-align: center;
  }
  .topas-product-item {
    min-height: 0;
  }
  .topas-product-media {
    padding: 18px;
  }
  .topas-product-deep .topas-product-media {
    position: static;
    padding: 18px;
  }
  .topas-product-deep .topas-product-copy {
    border-left: 0;
    border-top: 1px solid var(--color-border-light);
  }
  .topas-product-gallery,
  .topas-product-deep .topas-product-gallery {
    max-width: 360px;
  }
  .topas-gallery-stage {
    aspect-ratio: 1.18 / 1;
  }
  .topas-gallery-thumbs {
    grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
  }
  .topas-gallery-thumb {
    min-height: 74px;
  }
  .topas-product-copy {
    padding: 26px 20px;
  }
  .topas-product-copy h3 {
    font-size: clamp(1.9rem, 12vw, 2.55rem);
  }
  .topas-benefits ol,
  .topas-tech-data dl {
    grid-template-columns: 1fr;
  }
  .topas-tech-data dl > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .topas-product-details {
    padding: 0 20px;
  }
  .topas-detail-disclosure summary {
    min-height: 62px;
    gap: 9px;
    padding-block: 14px;
  }
  .topas-detail-disclosure summary > span {
    font-size: 1.03rem;
  }
  .topas-detail-disclosure summary small {
    font-size: 0.59rem;
    letter-spacing: 0.06em;
  }
  .topas-detail-panel {
    padding-bottom: 22px;
  }
  .topas-product-context {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .topas-product-context section {
    padding: 14px;
  }
  .aerosol-metrics-section,
  .aerosol-knowledge-section,
  .aerosol-config-section,
  .aerosol-project-section,
  .aerosol-page .product-components-section,
  .aerosol-applications-section {
    padding: 68px 0;
  }
  .aerosol-case-grid {
    gap: 14px;
  }
  .aerosol-case-card {
    gap: 18px;
    padding: 18px;
  }
  .aerosol-case-media img {
    aspect-ratio: auto;
  }
  .aerosol-case-media {
    aspect-ratio: 4 / 3;
  }
  .aerosol-case-copy h3 {
    margin-top: 10px;
    font-size: 1.32rem;
  }
  .aerosol-case-copy p {
    font-size: 0.86rem;
  }
  .aerosol-case-copy li {
    font-size: 0.78rem;
  }
  .aerosol-metric-grid {
    grid-template-columns: 1fr;
  }
  .aerosol-metric-grid article {
    min-height: 0;
    padding: 22px 20px;
  }
  .aerosol-metric-grid h3 {
    margin-top: 22px;
  }
  .aerosol-system-map {
    grid-template-columns: 1fr;
    overflow: visible;
    padding-bottom: 0;
  }
  .aerosol-system-map > div {
    min-height: 0;
    padding: 18px;
    border-left: 1px solid var(--color-border);
  }
  .aerosol-system-map > div + div {
    border-top: 0;
  }
  .aerosol-system-map strong {
    margin: 18px 0 8px;
  }
  .aerosol-config-grid article {
    grid-template-columns: 1fr;
    gap: 18px;
    min-height: 0;
    padding: 22px 20px;
  }
  .aerosol-config-grid h3 {
    margin-top: 24px;
  }
  .product-component-grid {
    grid-template-columns: 1fr;
  }
  .product-component-card {
    grid-template-columns: 1fr;
    grid-template-rows: 180px auto;
    min-height: 0;
  }
  .component-media {
    min-height: 0;
    padding: 18px;
    border-right: 0;
    border-bottom: 1px solid var(--color-border-light);
  }
  .component-media img {
    max-width: 170px;
    max-height: 136px;
  }
  .component-copy {
    padding: 16px;
  }
  .component-copy h3 {
    margin: 10px 0 8px;
    font-size: 1.04rem;
  }
  .component-copy p {
    font-size: 0.8rem;
  }
  .aerosol-application-grid {
    grid-template-columns: 1fr;
  }
  .aerosol-application-grid article {
    min-height: 0;
    padding: 20px;
  }
  .aerosol-application-grid h4 {
    margin-top: 24px;
  }
  .contact-dialog {
    width: min(100vw - 24px, 680px);
    max-height: calc(100dvh - 24px);
  }
  .contact-dialog-inner {
    padding: 34px 20px 24px;
  }
  .contact-dialog-grid {
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 22px;
  }
  .contact-dialog-grid section {
    padding: 15px 0;
  }
  .copy-contact-btn {
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }
  .product-switcher {
    position: absolute;
    top: calc(var(--header-h) + 12px);
    right: 12px;
  }
  .product-switcher .container {
    width: auto;
    padding: 0;
  }
  .product-switch-menu > summary {
    min-height: 32px;
    padding-inline: 10px;
    font-size: 0.74rem;
  }
  .product-switch-list {
    width: min(250px, calc(100vw - 24px));
  }
  .product-switch-link {
    min-width: 0;
    padding: 9px 10px;
    font-size: 0.78rem;
    line-height: 1.3;
    white-space: normal;
  }
  .detail-anchor-nav {
    position: static;
    overflow: hidden;
  }
  .detail-anchor-nav .container {
    width: 100%;
    padding: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .detail-anchor-nav a {
    min-width: 0;
    padding: 14px 10px;
    font-size: 0.78rem;
    white-space: nowrap;
  }
  .detail-solution {
    scroll-margin-top: var(--header-h);
  }
  .detail-cta .container {
    align-items: flex-start;
    flex-direction: column;
  }
  .solution-chain {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .solution-chain > div {
    min-height: 110px;
  }
  .solution-chain > i {
    width: 1px;
    height: 24px;
    margin: 0 auto;
  }
  .solution-chain > i::after {
    right: -3px;
    top: auto;
    bottom: 0;
    transform: rotate(135deg);
  }
  .project-boundary-grid {
    grid-template-columns: 1fr;
  }
  .delivery-steps li {
    grid-template-columns: 48px 1fr;
    gap: 12px;
    padding: 24px 0 26px;
  }

  .partner-showcase {
    margin-inline: 0;
    padding-inline: 0;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .partner-showcase::-webkit-scrollbar {
    display: none;
  }

  .partner-marquee-track {
    gap: 12px;
    animation: none;
    transform: none !important;
  }

  .partner-card {
    width: min(310px, calc(100vw - 48px));
    scroll-snap-align: start;
  }

  .contact-float {
    right: max(14px, env(safe-area-inset-right));
    bottom: max(82px, calc(env(safe-area-inset-bottom) + 82px));
    width: 42px;
    height: 42px;
    min-height: 42px;
    padding: 0;
    font-size: 0.8rem;
  }
  .back-top {
    bottom: 24px;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }
  .btn {
    width: 100%;
  }
  .about-metrics {
    grid-template-columns: 1fr 1fr;
  }
  .logo-en {
    display: none;
  }
  .partner-showcase,
  .team-list,
  .detail-deliverables {
    grid-template-columns: 1fr;
  }
  .partner-card {
    grid-template-rows: 104px 1fr;
  }
  .partner-marquee-track {
    animation-duration: 30s;
  }
  .contact-float span {
    display: none;
  }
  .contact-float {
    width: 44px;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
  }
  .detail-hero-content h1 {
    font-size: clamp(2.05rem, 10.7vw, 2.45rem);
  }
  .detail-facts > div {
    grid-template-columns: 1fr;
    gap: 5px;
  }
  .solution-overview-band .container {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .solution-overview-band strong {
    white-space: normal;
    overflow-wrap: anywhere;
  }
  .product-overview-band .container,
  .solution-challenge-grid,
  .solution-phases {
    grid-template-columns: 1fr;
  }
  .solution-overview-band .container {
    border-left: 0;
  }
  .solution-overview-band .container > div {
    min-height: 92px;
    border-right: 1px solid var(--color-border-light);
    border-bottom: 1px solid var(--color-border-light);
  }
  .solution-overview-band .container > div:nth-child(2n) {
    border-right: 0;
  }
  .solution-overview-band .container > div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }
  .solution-challenge-grid article {
    min-height: 160px;
  }
  .solution-challenge-grid h4 {
    margin-top: 28px;
  }
}

@media (max-width: 1024px) {
  .overview-layout {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .overview-metrics > div {
    padding-inline: 16px;
  }

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

  .footer-meta {
    justify-items: start;
    text-align: left;
  }
}

@media (max-width: 768px) {
  .header.menu-open {
    background: #fff;
    border-bottom-color: var(--color-border-light);
    box-shadow: var(--shadow-sm);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  .header.menu-open .logo-cn,
  .header.menu-open .nav-trigger,
  .header.menu-open .nav a {
    color: var(--color-text-secondary);
  }

  .header.menu-open .logo-en {
    color: var(--color-text-muted);
  }
  .header.menu-open .menu-toggle span {
    background: var(--color-text);
  }

  .header .nav a {
    color: var(--color-text-secondary);
  }
  .header .nav a:hover,
  .header .nav a.active {
    color: var(--color-primary);
  }

  .hero {
    height: auto;
    min-height: 720px;
    padding: calc(var(--header-h) + 72px) 0 84px;
    align-items: flex-start;
  }

  .hero-background {
    object-position: 58% center;
  }
  .hero-overlay {
    background: rgba(7, 17, 31, 0.7);
  }
  .hero-title {
    font-size: clamp(2.3rem, 11vw, 3.4rem);
    max-width: 11ch;
  }
  .hero-desc {
    font-size: 0.94rem;
  }
  .home-business-hero {
    min-height: 840px;
    padding: 0;
    align-items: stretch;
  }
  .home-business-hero .hero-background {
    object-position: 62% center;
  }
  .home-business-hero .hero-overlay {
    background: linear-gradient(
      180deg,
      rgba(5, 15, 28, 0.88),
      rgba(7, 18, 34, 0.68)
    );
  }
  .home-hero-inner {
    min-height: 840px;
    align-items: center;
    padding-top: calc(var(--header-h) + 46px);
    padding-bottom: 136px;
  }
  .home-hero-copy .hero-title {
    max-width: 12ch;
    margin-bottom: 16px;
    font-size: clamp(2.05rem, 9.6vw, 2.85rem);
    line-height: 1.18;
  }
  .home-hero-copy .hero-desc {
    max-width: 34rem;
    margin-bottom: 16px;
    line-height: 1.75;
  }
  .home-hero-tags {
    gap: 8px;
    margin-bottom: 24px;
  }
  .home-hero-tags span {
    min-height: 28px;
    padding-inline: 10px;
    font-size: 0.72rem;
  }
  .home-hero-tags span:nth-child(n + 4) {
    display: none;
  }
  .home-hero-controls {
    bottom: 18px;
    display: inline-flex;
  }
  .home-hero-dots button {
    width: 20px;
    height: 3px;
  }
  .home-hero-dots button.active {
    width: 36px;
  }
  .home-overview-band {
    padding: 42px 0;
  }
  .home-overview-copy span {
    margin-bottom: 12px;
    font-size: 0.68rem;
  }
  .home-overview-copy h2 {
    margin-bottom: 12px;
    font-size: 1.55rem;
  }
  .home-overview-copy p {
    font-size: 0.88rem;
    line-height: 1.75;
  }
  .home-overview-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--color-border);
  }
  .home-overview-metrics div {
    min-height: 86px;
    border-bottom: 1px solid var(--color-border);
    border-right: 1px solid var(--color-border-light);
    padding: 16px 18px;
  }
  .home-overview-metrics div:nth-child(2n) {
    border-right: 0;
  }
  .home-overview-metrics div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }
  .section-title,
  .solution-card h3,
  .material-content h3,
  .cap-card h3,
  .detail-solution h2,
  .solution-subhead h3,
  .project-playbook-head h2 {
    overflow-wrap: anywhere;
    text-wrap: balance;
  }
  .scroll-cue {
    display: none;
  }

  .overview {
    padding: 64px 0;
  }
  .overview-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .overview-metrics > div {
    padding: 18px;
    border-bottom: 1px solid var(--color-border);
  }

  .section {
    padding: 78px 0;
  }
  .cap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cap-card {
    min-height: 214px;
  }
}

@media (max-width: 480px) {
  .hero {
    min-height: 680px;
  }
  .home-business-hero,
  .home-hero-slide,
  .home-hero-inner {
    min-height: 820px;
  }
  .hero-title {
    font-size: clamp(2rem, 10vw, 2.25rem);
    line-height: 1.28;
  }
  .hero-subtitle {
    font-size: 1.05rem;
  }
  .hero-title {
    max-width: 10ch;
  }
  .home-hero-copy .hero-title {
    max-width: 11ch;
    font-size: clamp(1.95rem, 9.4vw, 2.32rem);
  }
  .home-overview-metrics strong {
    font-size: 1.7rem;
  }
  .hero-actions {
    align-items: stretch;
  }
  .overview-metrics strong {
    font-size: 1.8rem;
  }
  .overview-metrics span {
    white-space: normal;
  }
  .cap-grid {
    grid-template-columns: 1fr;
  }
}

/* Wider screens get a larger working canvas while type remains intentionally fixed. */
@media (min-width: 1600px) {
  .container {
    max-width: 1360px;
    padding-inline: 32px;
  }

  .solution-switcher {
    right: max(32px, calc((100vw - 1360px) / 2 + 32px));
  }

  .scroll-cue {
    right: max(32px, calc((100vw - 1360px) / 2 + 32px));
  }
}

@media (min-width: 2200px) {
  .container {
    max-width: 1600px;
    padding-inline: 40px;
  }

  .solution-switcher {
    right: max(40px, calc((100vw - 1600px) / 2 + 40px));
  }

  .scroll-cue {
    right: max(40px, calc((100vw - 1600px) / 2 + 40px));
  }
}

@media (min-width: 3200px) {
  .container {
    max-width: 1840px;
    padding-inline: 48px;
  }

  .solution-switcher {
    right: max(48px, calc((100vw - 1840px) / 2 + 48px));
  }

  .scroll-cue {
    right: max(48px, calc((100vw - 1840px) / 2 + 48px));
  }
}

@media (max-width: 620px) {
  .home-slim .section {
    padding: 56px 0;
  }

  .home-slim .section-header {
    margin-bottom: 28px;
  }

  .home-slim .solution-card {
    padding: 20px;
    border: 1px solid var(--color-border);
  }

  .home-slim .solution-carousel-card {
    padding: 0 0 22px;
  }

  .home-slim .solution-card > :not(.solution-image) {
    margin-left: 18px;
    margin-right: 18px;
  }

  .home-slim .solution-carousel-card .solution-image {
    display: block;
    margin: -20px -20px 22px;
    width: calc(100% + 40px);
    max-width: none;
    aspect-ratio: 16 / 10;
  }

  .home-slim .solution-card > p {
    margin-bottom: 18px;
  }

  .home-slim .partner-card {
    grid-template-rows: auto auto;
  }

  .home-slim .partner-mark {
    min-height: 76px;
    padding: 14px 16px;
  }

  .home-slim .partner-info {
    padding: 12px 16px 14px;
    gap: 5px;
  }

  .home-slim .partner-name {
    font-size: 0.95rem;
  }

  .home-slim .partner-info p {
    display: none;
  }

  .home-slim .about-metrics {
    margin-top: 24px;
    padding-top: 24px;
  }

  .home-slim .contact-grid .contact-map {
    display: none;
  }

  .home-slim .contact-item {
    padding: 18px 20px;
  }
}