:root {
  --bg: #eef2f7;
  --paper: #f9fbfd;
  --paper-strong: #ffffff;
  --ink: #162033;
  --muted: #64748b;
  --line: rgba(22, 32, 51, 0.1);
  --accent: #3a78d6;
  --accent-deep: #1f4fa8;
  --dark: #162235;
  --dark-soft: #24344c;
  --radius: 28px;
  --shadow: 0 18px 52px rgba(22, 40, 73, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(58, 120, 214, 0.12), transparent 22%),
    linear-gradient(180deg, #f4f7fb 0%, #e9eef5 100%);
}

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

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

button {
  font: inherit;
}

.page-shell {
  min-height: 100vh;
}

.shell {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  padding-top: 18px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 22px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(249, 251, 253, 0.88);
  backdrop-filter: blur(16px);
  box-shadow: 0 12px 24px rgba(26, 48, 86, 0.06);
}

.brand-mark {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.brand-cn {
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-en,
.eyebrow,
.panel-label {
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.top-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: 28px;
  padding: 34px 0 18px;
}

.hero-copy,
.hero-summary,
.section,
.contact-card,
.contact-aside {
  border: 1px solid var(--line);
  background: rgba(249, 251, 253, 0.88);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 46px;
  border-radius: 34px;
}

.hero-copy h1,
.section-heading h2,
.hero-note h2,
.carousel-copy h3,
.contact-aside h3 {
  font-family: "Cormorant Garamond", serif;
  font-weight: 700;
  margin: 0;
}

.hero-copy h1 {
  margin-top: 14px;
  font-size: clamp(3rem, 6vw, 5.25rem);
  line-height: 0.98;
}

.hero-lead,
.section-lead,
.hero-note p,
.overview-card p,
.solution-card p,
.carousel-copy p,
.capability-copy p,
.service-panel p,
.contact-aside p,
.rich-copy {
  margin: 0;
  line-height: 1.9;
}

.hero-lead {
  margin-top: 22px;
  max-width: 45rem;
  color: #334155;
  font-size: 1.06rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid var(--line);
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover,
.carousel-arrow:hover {
  transform: translateY(-1px);
}

.button.solid {
  color: #fff;
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  border-color: transparent;
}

.button.ghost {
  background: rgba(255, 255, 255, 0.82);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 34px 0 0;
}

.hero-stats div {
  padding: 16px 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(22, 32, 51, 0.08);
}

.hero-stats dt {
  color: var(--muted);
  font-size: 0.84rem;
}

.hero-stats dd {
  margin: 8px 0 0;
  font-size: 1rem;
  font-weight: 700;
}

.hero-side {
  display: grid;
}

.hero-summary {
  border-radius: 34px;
  padding: 24px;
  background:
    linear-gradient(160deg, rgba(22, 34, 53, 0.98), rgba(36, 52, 76, 0.95)),
    var(--dark);
  color: #f4f8ff;
}

.hero-summary .panel-label {
  color: rgba(244, 248, 255, 0.72);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.summary-grid article {
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.summary-grid strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.summary-grid span {
  display: block;
  color: rgba(244, 248, 255, 0.82);
  line-height: 1.8;
}

.section {
  margin-top: 26px;
  padding: 34px;
  border-radius: 30px;
}

.section-dark {
  background:
    radial-gradient(circle at 10% 10%, rgba(58, 120, 214, 0.18), transparent 20%),
    linear-gradient(180deg, #182437, #121b29);
  color: #f4f8ff;
}

.section-sample {
  overflow: hidden;
}

.section-soft {
  background:
    linear-gradient(180deg, rgba(242, 246, 252, 0.98), rgba(236, 241, 248, 0.98));
}

.section-heading {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 26px;
}

.section-heading.split {
  flex-direction: row;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.section-heading h2 {
  font-size: clamp(2.3rem, 4.8vw, 4.1rem);
  line-height: 0.98;
}

.section-lead {
  max-width: 520px;
  color: var(--muted);
}

.section-lead.light {
  color: rgba(244, 248, 255, 0.74);
}

.profile-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 18px;
  align-items: start;
}

.profile-copy,
.profile-stats,
.business-card,
.product-card,
.service-panel {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(22, 32, 51, 0.08);
}

.profile-copy {
  display: grid;
  gap: 14px;
}

.profile-stats {
  display: grid;
  gap: 12px;
}

.profile-stats div {
  padding: 16px 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(58, 120, 214, 0.08), rgba(255, 255, 255, 0.88));
  border: 1px solid rgba(22, 32, 51, 0.08);
}

.profile-stats dt {
  color: var(--muted);
  font-size: 0.82rem;
}

.profile-stats dd {
  margin: 8px 0 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.7;
}

.business-grid,
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.business-card h3,
.product-card h3,
.capability-copy h3,
.service-panel h3 {
  margin: 0 0 12px;
  font-size: 1.22rem;
}

.business-card p,
.product-card p {
  margin: 0;
  line-height: 1.85;
}

.sample-carousel {
  display: grid;
  gap: 16px;
}

.carousel-stage {
  overflow: hidden;
  border-radius: 28px;
  border: 1px solid rgba(22, 32, 51, 0.08);
  background: rgba(255, 255, 255, 0.62);
}

.carousel-track {
  position: relative;
  min-height: 540px;
}

.carousel-slide {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  opacity: 0;
  pointer-events: none;
  transition: opacity 380ms ease;
}

.carousel-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.carousel-media {
  min-height: 100%;
}

.carousel-media img {
  height: 100%;
  object-fit: cover;
}

.carousel-copy {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 12px;
  padding: 34px 30px;
  background:
    linear-gradient(180deg, rgba(31, 79, 168, 0.02), rgba(22, 32, 51, 0.08)),
    rgba(248, 251, 255, 0.9);
}

.carousel-copy .panel-label {
  color: var(--accent-deep);
}

.carousel-copy h3 {
  font-size: 2rem;
  line-height: 1.04;
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.carousel-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: 1px solid rgba(22, 32, 51, 0.12);
  background: rgba(255, 255, 255, 0.88);
  cursor: pointer;
}

.carousel-dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex: 1;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 0;
  padding: 0;
  background: rgba(22, 32, 51, 0.18);
  cursor: pointer;
}

.carousel-dot.is-active {
  width: 28px;
  background: var(--accent-deep);
}

.capability-stack {
  display: grid;
  gap: 22px;
}

.capability-row {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 22px;
  align-items: center;
}

.capability-row.reverse {
  grid-template-columns: 1.12fr 0.88fr;
}

.capability-row.reverse .capability-copy {
  order: 2;
}

.capability-row.reverse .image-frame {
  order: 1;
}

.capability-copy {
  padding: 24px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.image-frame {
  overflow: hidden;
  border-radius: 24px;
  background: #fff;
  border: 1px solid rgba(22, 32, 51, 0.08);
}

.image-frame img {
  height: 100%;
  object-fit: cover;
}

.image-frame.wide {
  min-height: 320px;
}

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

.service-panel.wide {
  grid-column: 1 / -1;
}

.service-list {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  line-height: 1.8;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 10px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(22, 32, 51, 0.08);
}

.process-grid {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  counter-reset: process;
}

.process-grid li {
  min-height: 118px;
  padding: 18px 16px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(22, 32, 51, 0.08);
  line-height: 1.75;
}

.process-grid li::before {
  counter-increment: process;
  content: "0" counter(process);
  display: block;
  margin-bottom: 10px;
  font-family: "Cormorant Garamond", serif;
  font-size: 1.8rem;
  color: var(--accent-deep);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(300px, 1.14fr);
  gap: 20px;
}

.contact-card,
.contact-aside {
  border-radius: 28px;
  padding: 28px;
}

.contact-item + .contact-item {
  margin-top: 18px;
}

.contact-item span {
  display: block;
  color: var(--muted);
}

.contact-item strong {
  display: block;
  margin-top: 6px;
  font-size: 1.18rem;
}

.contact-aside {
  background:
    linear-gradient(145deg, rgba(22, 34, 53, 0.98), rgba(36, 52, 76, 0.95));
  color: #f4f8ff;
}

.contact-aside .panel-label {
  color: rgba(244, 248, 255, 0.68);
}

.contact-aside h3 {
  margin-top: 10px;
  font-size: 2rem;
  line-height: 1.06;
}

.contact-aside p {
  margin-top: 12px;
  color: rgba(244, 248, 255, 0.8);
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 0 40px;
  color: var(--muted);
  font-size: 0.94rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 520ms ease, transform 520ms ease;
}

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

@media (max-width: 980px) {
  .hero,
  .section-heading.split,
  .profile-grid,
  .carousel-slide,
  .capability-row,
  .capability-row.reverse,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .summary-grid,
  .business-grid,
  .product-grid,
  .service-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .section-heading.split {
    align-items: flex-start;
  }

  .capability-row.reverse .capability-copy,
  .capability-row.reverse .image-frame {
    order: initial;
  }

  .carousel-track {
    min-height: 680px;
  }

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

@media (max-width: 640px) {
  .shell {
    width: min(100% - 20px, 1200px);
  }

  .hero-copy,
  .section,
  .contact-card,
  .contact-aside {
    padding: 22px;
  }

  .hero-copy h1 {
    font-size: 2.8rem;
  }

  .section-heading h2 {
    font-size: 2.5rem;
  }

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

  .carousel-track {
    min-height: 620px;
  }

  .carousel-copy {
    padding: 24px 20px;
  }

  .carousel-copy h3,
  .contact-aside h3 {
    font-size: 1.75rem;
  }
}