:root {
  --orange: #f56600;
  --orange-dark: #bd4100;
  --ink: #111214;
  --text: #30343a;
  --muted: #686d73;
  --line: #d9dce0;
  --soft: #f1f2f4;
  --soft-deep: #e6e8eb;
  --white: #fff;
  --dark: #17191c;
  --content: 1110px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

body,
button,
a { -webkit-font-smoothing: antialiased; }

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

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

a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(245, 102, 0, .32);
  outline-offset: 4px;
}

.home-wrap {
  width: min(calc(100% - 48px), var(--content));
  margin: 0 auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.home-header {
  position: relative;
  z-index: 50;
  background: var(--white);
}

.brand-row {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.home-brand {
  display: inline-flex;
  align-items: center;
}

.home-brand img {
  width: 220px;
  height: auto;
}

.nav-line {
  border-top: 1px solid #eceef0;
  border-bottom: 1px solid #cfd3d7;
}

.nav-row {
  min-height: 54px;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
}

.desktop-nav,
.utility-nav {
  display: flex;
  align-items: stretch;
}

.desktop-nav { gap: 38px; }

.desktop-nav a,
.utility-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: #1a3550;
  font-size: 15px;
  font-weight: 700;
  white-space: nowrap;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease;
}

.desktop-nav a:hover,
.utility-nav a:hover { color: var(--orange-dark); }

.desktop-nav a:hover::after,
.desktop-nav a[aria-current="page"]::after { transform: scaleX(1); }

.desktop-nav a[aria-current="page"] { color: var(--orange-dark); }

.utility-nav { margin-left: auto; }

.utility-nav a {
  min-width: 0;
  min-height: 54px;
  justify-content: center;
  gap: 10px;
  padding: 0 20px;
  border-left: 1px solid #eceef0;
  font-size: 14px;
  transition: color .2s ease, background-color .2s ease;
}

.utility-nav a:last-child { border-right: 1px solid #eceef0; }

.utility-icon {
  width: 21px;
  height: 21px;
  flex: 0 0 21px;
  fill: none;
  stroke: var(--orange-dark);
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.utility-nav a:hover { background: #fff7f1; }
.utility-label { line-height: 1; }

.mobile-menu { display: none; }

.home-hero {
  position: relative;
  height: min(67vh, 650px);
  min-height: 500px;
  overflow: hidden;
  color: var(--white);
  background: #25282c;
}

.hero-slide,
.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-slide {
  opacity: 0;
  pointer-events: none;
  transition: opacity .9s ease;
}

.hero-slide.is-active {
  z-index: 1;
  opacity: 1;
  pointer-events: auto;
}

.hero-image {
  object-fit: cover;
  object-position: center center;
}

.hero-shade { background: rgba(7, 10, 13, .46); }
.hero-slide--detail .hero-shade { background: linear-gradient(90deg, rgba(7, 10, 13, .78) 0%, rgba(7, 10, 13, .54) 46%, rgba(7, 10, 13, .22) 100%); }

.hero-content {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 48px), 930px);
  height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-kicker {
  margin: 0 0 18px;
  color: #ffd8bf;
  font-size: 15px;
  font-weight: 800;
}

.hero-brand-line {
  color: #ffb078;
  font-size: 17px;
  letter-spacing: .06em;
}

.home-hero h1,
.home-hero h2 {
  max-width: 930px;
  margin: 0;
  color: var(--white);
  font-size: 58px;
  line-height: 1.12;
  font-weight: 780;
}

.hero-content--brand h1 {
  max-width: 1100px;
  font-size: 60px;
  line-height: 1.12;
  font-weight: 800;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .2);
}

.hero-content--brand h1 span { white-space: nowrap; }
.hero-content--brand .company-suffix { margin-left: .18em; }

.hero-service-line {
  margin: 20px 0 0;
  color: var(--white);
  font-size: 28px;
  line-height: 1.35;
  font-weight: 700;
}

.hero-content--brand .hero-subtitle {
  margin-top: 18px;
  font-size: 17px;
}

.hero-slide--detail .hero-content {
  align-items: flex-start;
  text-align: left;
}

.hero-slide--detail .hero-content h2 { max-width: 780px; }

.hero-subtitle {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, .92);
  font-size: 19px;
  line-height: 1.65;
}

.primary-button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 30px;
  padding: 0 25px;
  color: var(--white);
  background: var(--orange);
  font-size: 15px;
  font-weight: 800;
  transition: background .2s ease, transform .2s ease;
}

.primary-button:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
}

.hero-controls {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: 28px;
  display: flex;
  align-items: center;
  gap: 2px;
  transform: translateX(-50%);
}

.hero-dot {
  position: relative;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.hero-dot::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 8px;
  border: 1px solid rgba(255, 255, 255, .88);
  border-radius: 50%;
  background: transparent;
  content: "";
  transform: translate(-50%, -50%);
  transition: width .2s ease, border-color .2s ease, background .2s ease;
}

.hero-dot.is-active::before {
  width: 20px;
  border-radius: 8px;
  border-color: var(--orange);
  background: var(--orange);
}

.hero-toggle {
  min-height: 34px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-left: 10px;
  padding: 0 0 0 17px;
  border: 0;
  border-left: 1px solid rgba(255, 255, 255, .45);
  color: rgba(255, 255, 255, .9);
  background: transparent;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
}

.hero-toggle-icon {
  display: inline-block;
  width: 12px;
  color: var(--orange);
  font-size: 11px;
  text-align: center;
}

.hero-dot:focus-visible,
.hero-toggle:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 2px;
}

.business-band {
  padding: 72px 0 82px;
  background: var(--soft);
}

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.business-item {
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--white);
  transition: transform .2s ease, box-shadow .2s ease;
}

.business-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(24, 31, 38, .1);
}

.business-image {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: #e7e8e9;
}

.business-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease;
}

.business-item:hover .business-image img { transform: scale(1.025); }

.business-item:nth-child(1) .business-image img { object-position: center 63%; }
.business-item:nth-child(2) .business-image img { object-position: center 52%; }
.business-item:nth-child(3) .business-image img { object-fit: contain; padding: 10px; background: #f8f8f7; }

.business-body {
  min-height: 236px;
  display: flex;
  flex-direction: column;
  padding: 27px 30px 24px;
}

.business-body h2 {
  margin: 0 0 11px;
  color: var(--orange-dark);
  font-size: 24px;
  line-height: 1.3;
}

.business-body p {
  margin: 0;
  color: #27313a;
  font-size: 15px;
  line-height: 1.68;
}

.business-arrow {
  align-self: flex-end;
  margin-top: auto;
  color: var(--orange-dark);
  font-size: 35px;
  line-height: 1;
  transition: transform .2s ease;
}

.business-item:hover .business-arrow { transform: translateX(5px); }

.story-band {
  position: relative;
  min-height: 610px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background: var(--dark);
}

.story-image,
.story-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.story-image {
  object-fit: cover;
  object-position: center center;
}

.story-shade { background: rgba(8, 11, 14, .57); }

.story-band .home-wrap {
  position: relative;
  z-index: 2;
}

.story-content { max-width: 630px; }

.section-kicker {
  margin: 0 0 14px;
  color: #ffb17c;
  font-size: 14px;
  font-weight: 800;
}

.story-content h2 {
  margin: 0;
  color: var(--white);
  font-size: 44px;
  line-height: 1.2;
}

.story-content p:not(.section-kicker) {
  max-width: 610px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, .9);
  font-size: 17px;
  line-height: 1.85;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 28px;
  color: var(--white);
  font-size: 15px;
  font-weight: 800;
}

.text-link span {
  color: #ffb17c;
  font-size: 24px;
  transition: transform .2s ease;
}

.text-link:hover span { transform: translateX(5px); }

.insight-section {
  padding: 92px 0 100px;
  background: var(--white);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 38px;
}

.section-heading h2 {
  margin: 0;
  color: var(--ink);
  font-size: 38px;
  line-height: 1.25;
}

.section-heading p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.insight-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, .75fr);
  gap: 42px;
  align-items: stretch;
}

.insight-feature {
  display: grid;
  grid-template-rows: minmax(300px, 1fr) auto;
  background: var(--soft);
}

.insight-feature-image {
  min-height: 330px;
  overflow: hidden;
}

.insight-feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.insight-feature-body { padding: 27px 30px 30px; }

.insight-label {
  color: var(--orange-dark);
  font-size: 13px;
  font-weight: 800;
}

.insight-feature h3 {
  margin: 10px 0 0;
  color: var(--ink);
  font-size: 25px;
  line-height: 1.4;
}

.insight-feature p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.insight-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--line);
}

.insight-row {
  flex: 1;
  min-height: 190px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 30px 6px 30px 0;
  border-bottom: 1px solid var(--line);
}

.insight-row h3 {
  margin: 9px 0 0;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.45;
}

.insight-row p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.insight-row:hover h3 { color: var(--orange-dark); }

.faq-section {
  padding: 78px 0 86px;
  background: var(--soft);
}

.faq-layout {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 80px;
}

.faq-layout h2 {
  margin: 0;
  color: var(--ink);
  font-size: 34px;
  line-height: 1.3;
}

.faq-list { border-top: 1px solid #c7cbd0; }

.faq-list details { border-bottom: 1px solid #c7cbd0; }

.faq-list summary {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  cursor: pointer;
  color: var(--ink);
  font-size: 17px;
  font-weight: 750;
  list-style: none;
}

.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--orange); font-size: 25px; font-weight: 400; }
.faq-list details[open] summary::after { content: "-"; }

.faq-answer {
  margin: -2px 0 0;
  padding: 0 44px 24px 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.contact-band {
  padding: 74px 0;
  color: var(--white);
  background: var(--dark);
}

.contact-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 54px;
}

.contact-copy { max-width: 760px; }

.contact-copy h2 {
  margin: 0;
  color: var(--white);
  font-size: 34px;
  line-height: 1.4;
}

.contact-copy p {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, .7);
  font-size: 15px;
  line-height: 1.7;
}

.contact-band .primary-button {
  flex: 0 0 auto;
  margin-top: 0;
}

.home-footer {
  padding: 54px 0 38px;
  color: #c4c8cc;
  background: #0f1113;
  font-size: 13px;
  line-height: 1.75;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr .8fr .9fr;
  gap: 60px;
}

.footer-brand {
  color: var(--white);
  font-size: 17px;
  font-weight: 800;
}

.footer-grid p { margin: 12px 0 0; }

.footer-title {
  display: block;
  margin-bottom: 11px;
  color: var(--white);
  font-size: 14px;
}

.footer-links {
  display: grid;
  gap: 7px;
}

.footer-links a:hover { color: #ffb17c; }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  color: #8e949a;
}

.footer-updated { color: #aeb3b8; }

@keyframes heroReveal {
  from { opacity: 0; transform: scale(1.015); }
  to { opacity: 1; transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@media (max-width: 1080px) {
  .home-wrap { width: min(calc(100% - 36px), var(--content)); }
  .home-brand img { width: 190px; }
  .desktop-nav { gap: 24px; }
  .home-hero h1,
  .home-hero h2 { font-size: 50px; }
  .hero-content--brand h1 { font-size: 51px; }
  .hero-service-line { font-size: 26px; }
  .business-grid { gap: 16px; }
  .business-body { min-height: 218px; padding: 23px 20px 21px; }
  .business-body h2 { font-size: 22px; }
  .business-body p { font-size: 14px; }
  .story-content h2 { font-size: 40px; }
  .insight-layout { gap: 30px; }
  .faq-layout { gap: 48px; }
}

@media (max-width: 820px) {
  .home-header { border-bottom: 1px solid var(--line); }
  .brand-row { min-height: 76px; }
  .home-brand img { width: 174px; }
  .nav-line { display: none; }
  .mobile-menu { display: block; position: relative; }
  .mobile-menu summary {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid var(--line);
    color: var(--ink);
    background: var(--white);
    cursor: pointer;
    font-size: 22px;
    list-style: none;
  }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-panel {
    position: absolute;
    top: 52px;
    right: 0;
    width: min(300px, calc(100vw - 36px));
    display: grid;
    padding: 10px 20px;
    border: 1px solid var(--line);
    background: var(--white);
    box-shadow: 0 14px 34px rgba(14, 18, 22, .16);
  }
  .mobile-panel a {
    min-height: 49px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid #eceef0;
    color: var(--ink);
    font-size: 15px;
    font-weight: 700;
  }
  .mobile-panel a:last-child { border-bottom: 0; }
  .mobile-panel a::after { content: "\2192"; color: var(--orange); }
  .home-hero { height: 570px; min-height: 0; }
  .hero-image { object-position: 61% center; }
  .hero-slide--detail .hero-image { object-position: 58% center; }
  .home-hero h1,
  .home-hero h2 { font-size: 42px; }
  .hero-content--brand h1 { max-width: 700px; font-size: 44px; }
  .hero-service-line { font-size: 24px; }
  .hero-subtitle { font-size: 17px; }
  .business-band { padding: 52px 0 62px; }
  .business-grid { grid-template-columns: 1fr; gap: 22px; }
  .business-body { min-height: 196px; padding: 24px 25px 22px; }
  .story-band { min-height: 540px; }
  .story-content { max-width: 560px; }
  .story-content h2 { font-size: 36px; }
  .insight-section { padding: 70px 0 76px; }
  .section-heading h2 { font-size: 33px; }
  .insight-layout { grid-template-columns: 1fr; gap: 38px; }
  .insight-feature { grid-template-rows: 300px auto; }
  .insight-row { min-height: 160px; }
  .faq-layout { grid-template-columns: 1fr; gap: 28px; }
  .contact-inner { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 38px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
}

@media (max-width: 560px) {
  .home-wrap { width: min(calc(100% - 32px), var(--content)); }
  .home-brand img { width: 164px; }
  .home-hero { height: 550px; }
  .hero-content { width: calc(100% - 32px); }
  .hero-kicker { margin-bottom: 15px; font-size: 13px; }
  .hero-brand-line { font-size: 13px; letter-spacing: .03em; }
  .home-hero h1,
  .home-hero h2 { max-width: 350px; font-size: 36px; line-height: 1.18; }
  .hero-content--brand h1 { max-width: 350px; font-size: 34px; line-height: 1.18; }
  .hero-content--brand h1 span { display: block; }
  .hero-content--brand .company-suffix { margin-left: 0; }
  .hero-service-line { max-width: 350px; margin-top: 16px; font-size: 21px; line-height: 1.4; }
  .hero-content--brand .hero-subtitle { margin-top: 15px; font-size: 14px; line-height: 1.7; }
  .hero-slide--detail .hero-content { align-items: flex-start; text-align: left; }
  .hero-slide--detail .hero-image { object-position: 54% center; }
  .hero-controls { bottom: 18px; }
  .hero-subtitle { max-width: 330px; margin-top: 18px; font-size: 16px; line-height: 1.6; }
  .primary-button { width: 100%; max-width: 310px; margin-top: 26px; }
  .business-band { padding: 40px 0 48px; }
  .business-image { aspect-ratio: 3 / 2; }
  .business-body { min-height: 190px; }
  .story-band { min-height: 520px; }
  .story-image { object-position: 57% center; }
  .story-content h2 { font-size: 31px; }
  .story-content p:not(.section-kicker) { font-size: 15px; line-height: 1.75; }
  .insight-section { padding: 58px 0 64px; }
  .section-heading { margin-bottom: 28px; }
  .section-heading h2 { font-size: 30px; }
  .insight-feature { grid-template-rows: 230px auto; }
  .insight-feature-image { min-height: 0; }
  .insight-feature-body { padding: 23px 22px 25px; }
  .insight-feature h3 { font-size: 22px; }
  .faq-section { padding: 58px 0 64px; }
  .faq-layout h2 { font-size: 29px; }
  .faq-list summary { min-height: 62px; font-size: 15px; }
  .contact-band { padding: 60px 0; }
  .contact-copy h2 { font-size: 28px; }
  .contact-band .primary-button { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid > div:first-child { grid-column: auto; }
  .footer-bottom { align-items: flex-start; flex-direction: column; gap: 8px; }
}