:root {
  --bg: #f3efe8;
  --bg-soft: rgba(255, 255, 255, 0.72);
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: #ffffff;
  --ink: #13212d;
  --ink-soft: #4c5d6c;
  --line: rgba(19, 33, 45, 0.1);
  --accent: #ef7f45;
  --accent-strong: #d85b1d;
  --accent-soft: rgba(239, 127, 69, 0.12);
  --emerald: #0f8a76;
  --shadow: 0 24px 80px rgba(18, 33, 46, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max-width: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(239, 127, 69, 0.2), transparent 32%),
    radial-gradient(circle at 85% 15%, rgba(15, 138, 118, 0.18), transparent 28%),
    linear-gradient(180deg, #fbf8f2 0%, var(--bg) 46%, #efe8dc 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(19, 33, 45, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 33, 45, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.4), transparent 85%);
}

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

button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}

.page-shell {
  position: relative;
  overflow: clip;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: absolute;
  z-index: -1;
  border-radius: 999px;
  filter: blur(12px);
}

.page-shell::before {
  width: 520px;
  height: 520px;
  top: -200px;
  right: -120px;
  background: rgba(239, 127, 69, 0.12);
}

.page-shell::after {
  width: 420px;
  height: 420px;
  left: -120px;
  top: 28%;
  background: rgba(15, 138, 118, 0.1);
}

.site-header,
.section,
.site-footer,
.trust-bar {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  margin-top: 20px;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 40px rgba(18, 33, 46, 0.08);
  backdrop-filter: blur(18px);
  border-radius: 999px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(239, 127, 69, 0.96), rgba(216, 91, 29, 0.95));
  color: #fff8f0;
  font-family: "Outfit", sans-serif;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  box-shadow: 0 14px 28px rgba(216, 91, 29, 0.24);
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.brand-copy strong,
.nav-cta,
.button,
.solution-tag,
.feature-index,
.timeline-item span,
.floating-call {
  font-family: "Outfit", sans-serif;
}

.brand-copy strong {
  font-size: 1rem;
  font-weight: 700;
  white-space: nowrap;
}

.brand-copy small {
  color: var(--ink-soft);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.site-nav a {
  transition: color 180ms ease;
}

.site-nav a:hover,
.text-link:hover,
.site-footer a:hover {
  color: var(--accent-strong);
}

.nav-cta {
  padding: 12px 18px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--ink), #1f374a);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.section {
  padding: 96px 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: 42px;
  align-items: center;
  min-height: calc(100vh - 140px);
  padding-top: 84px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--emerald);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 36px;
  height: 1px;
  background: rgba(15, 138, 118, 0.55);
}

.hero h1,
.section-heading h2,
.value-copy h2,
.contact-copy h2 {
  margin: 0;
  font-family: "Outfit", "Noto Sans SC", sans-serif;
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.hero h1 {
  font-size: clamp(2.9rem, 6vw, 5.2rem);
  max-width: 11ch;
}

.hero h1 span {
  position: relative;
  color: var(--accent-strong);
}

.hero h1 span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.12em;
  height: 0.22em;
  background: rgba(239, 127, 69, 0.18);
  z-index: -1;
  border-radius: 999px;
}

.hero-text,
.section-heading p,
.solution-lead p,
.feature-card p,
.solution-card p,
.timeline-item p,
.value-copy p,
.value-list p,
.contact-copy p,
.contact-card p,
.contact-card small,
.trust-bar p {
  color: var(--ink-soft);
  line-height: 1.8;
}

.hero-text {
  margin: 26px 0 0;
  max-width: 61ch;
  font-size: 1.04rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.button:hover,
.nav-cta:hover,
.floating-call:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fffaf5;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 18px 34px rgba(216, 91, 29, 0.22);
}

.button-secondary {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(19, 33, 45, 0.08);
}

.hero-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
}

.hero-highlights li {
  padding: 18px 20px;
  background: var(--bg-soft);
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 18px;
  box-shadow: 0 12px 28px rgba(18, 33, 46, 0.06);
  line-height: 1.7;
}

.hero-panel {
  position: relative;
}

.signal-card {
  position: relative;
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(246, 241, 235, 0.92));
  border: 1px solid rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.signal-card::before {
  content: "";
  position: absolute;
  inset: auto -10% -22% auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(239, 127, 69, 0.26), transparent 70%);
}

.signal-card__head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.signal-graph {
  display: flex;
  align-items: end;
  gap: 14px;
  height: 190px;
  margin: 32px 0 28px;
}

.signal-graph span {
  flex: 1;
  border-radius: 24px 24px 10px 10px;
  background:
    linear-gradient(180deg, rgba(15, 138, 118, 0.9), rgba(15, 138, 118, 0.2));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.35);
  animation: rise 7s ease-in-out infinite;
  transform-origin: bottom;
}

.signal-graph span:nth-child(1) {
  height: 58%;
  animation-delay: -1.6s;
}

.signal-graph span:nth-child(2) {
  height: 82%;
  background: linear-gradient(180deg, rgba(239, 127, 69, 0.95), rgba(239, 127, 69, 0.24));
  animation-delay: -2.8s;
}

.signal-graph span:nth-child(3) {
  height: 68%;
  animation-delay: -0.8s;
}

.signal-graph span:nth-child(4) {
  height: 94%;
  background: linear-gradient(180deg, rgba(19, 33, 45, 0.96), rgba(19, 33, 45, 0.2));
  animation-delay: -3.2s;
}

.signal-graph span:nth-child(5) {
  height: 74%;
  animation-delay: -2s;
}

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

.signal-grid article,
.solution-card,
.feature-card,
.timeline-item,
.contact-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(19, 33, 45, 0.06);
  box-shadow: 0 14px 34px rgba(18, 33, 46, 0.05);
}

.signal-grid article {
  padding: 18px;
  border-radius: 20px;
}

.signal-grid strong,
.feature-card h3,
.solution-card h3,
.timeline-item h3,
.value-list strong,
.contact-card a {
  font-size: 1.08rem;
}

.signal-grid p,
.feature-card p,
.solution-card p,
.timeline-item p,
.value-list p,
.contact-card p {
  margin-bottom: 0;
}

.floating-note {
  position: absolute;
  right: -12px;
  bottom: 36px;
  width: min(82%, 290px);
  padding: 20px 22px;
  border-radius: 22px;
  background: rgba(19, 33, 45, 0.92);
  color: rgba(255, 255, 255, 0.9);
  box-shadow: 0 22px 42px rgba(19, 33, 45, 0.24);
}

.floating-note span,
.contact-card span {
  display: block;
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.floating-note strong {
  font-size: 1.15rem;
  line-height: 1.6;
}

.trust-bar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.66);
  box-shadow: 0 16px 34px rgba(18, 33, 46, 0.05);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
}

.trust-bar strong {
  font-size: 1.02rem;
}

.section-heading {
  max-width: 760px;
}

.section-heading h2,
.value-copy h2,
.contact-copy h2 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
}

.section-heading p {
  margin-top: 20px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
}

.feature-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  transition:
    transform 200ms ease,
    box-shadow 200ms ease,
    border-color 200ms ease;
}

.feature-card:hover,
.solution-card:hover,
.timeline-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 24px 42px rgba(18, 33, 46, 0.08);
  border-color: rgba(239, 127, 69, 0.18);
}

.feature-index,
.timeline-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  min-height: 34px;
  padding: 0 12px;
  margin-bottom: 20px;
  border-radius: 999px;
  color: var(--accent-strong);
  background: var(--accent-soft);
  font-size: 0.96rem;
  font-weight: 700;
}

.section-contrast {
  position: relative;
}

.section-contrast::before {
  content: "";
  position: absolute;
  inset: 60px 0;
  z-index: -1;
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
  background:
    linear-gradient(135deg, rgba(19, 33, 45, 0.98), rgba(33, 55, 71, 0.96));
  border-radius: 42px;
}

.section-contrast .section-heading,
.section-contrast .section-heading p,
.section-contrast .section-heading h2,
.solution-lead,
.solution-lead p,
.solution-lead h3,
.solution-lead .text-link {
  color: #f7f4ef;
}

.solution-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 22px;
  margin-top: 34px;
}

.solution-lead {
  padding: 32px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-xl);
}

.solution-tag {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  color: #ffd9c7;
  background: rgba(239, 127, 69, 0.16);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.solution-lead h3 {
  margin: 18px 0;
  font-family: "Outfit", "Noto Sans SC", sans-serif;
  font-size: 2rem;
  line-height: 1.12;
}

.text-link {
  display: inline-flex;
  margin-top: 12px;
  color: #ffd9c7;
  font-weight: 700;
}

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

.solution-card {
  padding: 26px 24px;
  border-radius: var(--radius-lg);
}

.solution-card ul {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  color: var(--ink-soft);
}

.solution-card li {
  position: relative;
  padding-left: 18px;
  line-height: 1.9;
}

.solution-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.92em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  margin-top: 38px;
}

.timeline-item {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-lg);
}

.value-section {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 28px;
  align-items: start;
}

.value-list {
  display: grid;
  gap: 18px;
}

.value-list > div {
  padding: 24px 26px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(19, 33, 45, 0.07);
  border-radius: var(--radius-lg);
  box-shadow: 0 14px 34px rgba(18, 33, 46, 0.05);
}

.contact-section {
  padding-top: 54px;
}

.contact-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  gap: 24px;
  padding: 34px;
  background:
    linear-gradient(135deg, rgba(19, 33, 45, 0.98), rgba(34, 55, 70, 0.96));
  border-radius: 36px;
  box-shadow: var(--shadow);
}

.contact-copy,
.contact-copy h2,
.contact-copy p {
  color: #f8f4ee;
}

.contact-card {
  padding: 28px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.06));
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.contact-card a {
  display: inline-block;
  margin-bottom: 14px;
  font-family: "Outfit", "Noto Sans SC", sans-serif;
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.05em;
}

.contact-card p {
  color: rgba(255, 255, 255, 0.86);
}

.contact-card small {
  display: block;
  color: rgba(255, 255, 255, 0.62);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 32px 0 48px;
  color: var(--ink-soft);
}

.floating-call {
  position: fixed;
  right: 22px;
  bottom: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 124px;
  min-height: 54px;
  padding: 0 20px;
  z-index: 24;
  border-radius: 999px;
  color: #fffaf5;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 18px 36px rgba(216, 91, 29, 0.32);
  font-weight: 700;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

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

@keyframes rise {
  0%,
  100% {
    transform: scaleY(0.92);
  }
  50% {
    transform: scaleY(1);
  }
}

@media (max-width: 1100px) {
  .site-header {
    border-radius: 26px;
    padding: 18px 20px;
    flex-wrap: wrap;
  }

  .site-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 16px;
  }

  .hero,
  .solution-layout,
  .value-section,
  .contact-panel {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 56px;
  }

  .card-grid,
  .timeline,
  .solution-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-highlights,
  .trust-bar {
    grid-template-columns: 1fr;
  }

  .section-contrast::before {
    inset: 30px 0;
  }

  .floating-note {
    position: static;
    width: 100%;
    margin-top: 18px;
  }
}

@media (max-width: 720px) {
  .site-header,
  .section,
  .site-footer,
  .trust-bar {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .site-header {
    top: 12px;
    margin-top: 12px;
    gap: 16px;
  }

  .brand {
    width: 100%;
  }

  .brand-copy strong {
    white-space: normal;
    line-height: 1.4;
  }

  .site-nav {
    font-size: 0.9rem;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .nav-cta {
    width: 100%;
    justify-content: center;
  }

  .section {
    padding: 76px 0;
  }

  .hero h1 {
    max-width: none;
  }

  .card-grid,
  .timeline,
  .solution-cards,
  .signal-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .button {
    min-height: 50px;
  }

  .signal-card,
  .contact-panel {
    padding: 24px;
  }

  .contact-card a {
    font-size: 1.8rem;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    padding-bottom: 92px;
  }

  .floating-call {
    right: 14px;
    left: 14px;
    bottom: 14px;
    width: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

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