:root {
  --accent: #ffb700;
  --accent-dark: #ef9c00;
  --ink: #1d2634;
  --muted: #7c8493;
  --soft: #f7f8fb;
  --line: #eceff4;
  --blue: #133b6d;
  --teal: #1e887b;
  --shadow: 0 18px 48px rgba(21, 34, 54, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  background: #fff;
  overflow-wrap: break-word;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 116px;
  padding: 0 clamp(24px, 8vw, 170px);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(236, 239, 244, 0.8);
}

.brand img {
  width: 78px;
  height: auto;
}

.primary-nav {
  display: flex;
  align-items: stretch;
  gap: 20px;
  height: 72px;
}

.primary-nav a {
  display: grid;
  place-items: center;
  min-width: 88px;
  padding: 0 16px;
  color: #0e1a2b;
  font-size: 15px;
}

.primary-nav a.active {
  color: var(--accent-dark);
  background: #f7f7f7;
}

.primary-nav .nav-cta,
.mobile-nav .nav-cta {
  align-self: center;
  min-width: 126px;
  height: 40px;
  color: #fff;
  background: var(--accent);
  border-radius: 4px;
}

.menu-toggle,
.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  min-height: 580px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(20, 22, 24, 0.88), rgba(20, 22, 24, 0.18)),
    url("../images/hero-globe.webp") center / cover no-repeat;
}

.hero-copy {
  width: min(820px, calc(100% - 40px));
  color: #fff;
  transform: translateY(16px);
}

.hero-copy p {
  margin: 0 0 32px;
  font-size: clamp(18px, 2.2vw, 26px);
  font-weight: 700;
}

.hero-copy h1 {
  margin: 0;
  font-size: clamp(28px, 4.2vw, 48px);
  font-weight: 400;
  line-height: 1.35;
  letter-spacing: 0;
}

.intro-section {
  position: relative;
  display: grid;
  grid-template-columns: minmax(280px, 520px) minmax(320px, 620px);
  gap: clamp(64px, 8vw, 128px);
  width: min(1180px, calc(100% - 40px));
  margin: 88px auto 96px;
  align-items: center;
}

.intro-media {
  min-height: 420px;
  overflow: hidden;
}

.intro-media img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  filter: grayscale(0.08);
}

.group-card {
  position: absolute;
  left: 46px;
  bottom: -40px;
  width: min(500px, 52vw);
  padding: 58px 46px 50px;
  background: rgba(255, 255, 255, 0.96);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.group-card h2 {
  margin: 0 0 24px;
  font-size: 18px;
  color: var(--blue);
}

.group-card p,
.about-copy p,
.advantage-grid p,
.problem-grid p,
.contact-list {
  color: var(--muted);
  font-size: 15px;
  line-height: 2.2;
}

.pill-button {
  display: inline-grid;
  place-items: center;
  min-width: 186px;
  height: 42px;
  margin-top: 18px;
  color: #fff;
  background: var(--accent);
  border-radius: 21px;
  font-size: 14px;
  font-weight: 700;
}

.about-copy {
  padding-top: 70px;
  min-width: 0;
}

.section-kicker {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
  color: #48628c;
  font-size: 12px;
}

.section-kicker span {
  color: #55729d;
  font-size: 15px;
}

.section-kicker i {
  width: 38px;
  height: 1px;
  background: #d9dee8;
}

.about-copy h2,
.section-heading h2,
.partner-section h2,
.contact-section h2 {
  margin: 0 0 34px;
  color: var(--blue);
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 400;
  letter-spacing: 0;
}

.services-section {
  padding: 72px 0 0;
  background: #fff;
}

.services-section > h2,
.strength-section h2 {
  margin: 0 0 42px;
  text-align: center;
  color: #333;
  font-size: clamp(26px, 2.6vw, 34px);
  font-weight: 400;
  letter-spacing: 0;
}

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

.service-panel {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  color: #fff;
}

.service-panel img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.service-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 25, 38, 0.05), rgba(15, 25, 38, 0.58));
}

.service-panel div {
  position: absolute;
  z-index: 1;
  left: clamp(28px, 7vw, 90px);
  right: clamp(28px, 7vw, 90px);
  bottom: 54px;
}

.service-panel p {
  margin: 0 0 14px;
  font-size: 18px;
}

.service-panel h3 {
  margin: 0;
  max-width: 560px;
  font-size: clamp(22px, 2.5vw, 34px);
  font-weight: 400;
  line-height: 1.55;
}

.choose-section {
  padding: 96px clamp(20px, 6vw, 96px);
  background: linear-gradient(180deg, #fff, var(--soft));
}

.section-heading {
  width: min(1120px, 100%);
  margin: 0 auto 42px;
}

.problem-block,
.advantage-block {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.problem-block h3,
.advantage-block h3 {
  margin: 0 0 28px;
  color: #333;
  font-size: 26px;
  font-weight: 400;
}

.problem-grid,
.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-grid article,
.advantage-grid article {
  min-height: 190px;
  padding: 32px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(19, 59, 109, 0.04);
}

.problem-grid span {
  color: var(--accent-dark);
  font-weight: 700;
}

.problem-grid h4,
.advantage-grid h4 {
  margin: 12px 0 12px;
  font-size: 20px;
  color: var(--blue);
}

.problem-grid p,
.advantage-grid p {
  margin: 0;
}

.advantage-block {
  margin-top: 64px;
}

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

.advantage-grid article:nth-child(3n + 1) h4 {
  color: var(--teal);
}

.strength-section {
  padding: 92px 20px;
  color: #fff;
  background: linear-gradient(135deg, #182538, #263b59);
}

.strength-section h2 {
  color: #fff;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: min(920px, 100%);
  margin: 0 auto;
  text-align: center;
}

.stat-grid article {
  padding: 30px 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.stat-grid strong {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  color: var(--accent);
}

.stat-grid span {
  margin-left: 6px;
  font-size: 18px;
}

.stat-grid p {
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.partner-section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 92px 0;
  text-align: center;
}

.partner-section .section-kicker {
  justify-content: center;
}

.logo-wall {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.logo-wall figure {
  display: grid;
  place-items: center;
  min-height: 82px;
  margin: 0;
  padding: 18px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.logo-wall img {
  max-width: 100%;
  max-height: 42px;
  object-fit: contain;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(260px, 360px);
  gap: 72px;
  padding: 92px max(20px, calc((100vw - 1120px) / 2));
  background: var(--soft);
}

.contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.contact-list li {
  padding: 8px 0;
}

.contact-list strong {
  color: var(--ink);
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  align-content: start;
}

.qr-grid h3 {
  grid-column: 1 / -1;
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 22px;
  font-weight: 400;
}

.qr-grid figure {
  margin: 0;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--line);
  text-align: center;
}

.qr-grid img {
  width: 118px;
  height: 118px;
  margin: 0 auto 12px;
  object-fit: contain;
}

.qr-grid figcaption {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.site-footer {
  padding: 30px 20px;
  color: rgba(255, 255, 255, 0.74);
  background: #191f2a;
  text-align: center;
}

.site-footer a {
  display: inline-block;
  margin: 0 8px 14px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
  font-size: 13px;
}

.sub-hero {
  min-height: 430px;
  display: grid;
  place-items: center;
  color: #fff;
  text-align: center;
  background: linear-gradient(90deg, rgba(18, 25, 35, 0.82), rgba(18, 25, 35, 0.18)), center / cover no-repeat;
}

.sub-hero p {
  margin: 0 0 18px;
  font-size: 16px;
  letter-spacing: 0;
}

.sub-hero h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 400;
  line-height: 1.35;
}

.sub-hero strong {
  color: var(--accent);
  font-weight: 700;
}

.product-hero {
  background-image: linear-gradient(90deg, rgba(18, 25, 35, 0.84), rgba(18, 25, 35, 0.25)), url("../images/subpages-source/01-AIwBCAAQAhgAIJqxgvcFKKj19PIEMOswOMcg.jpg");
}

.news-hero {
  background-image: linear-gradient(90deg, rgba(18, 25, 35, 0.82), rgba(18, 25, 35, 0.18)), url("../images/subpages-source/24-AIwBCAAQAhgAILW-itcFKIyw3JoCMIAPOIAK.jpg");
}

.contact-hero {
  background-image: linear-gradient(90deg, rgba(18, 25, 35, 0.72), rgba(18, 25, 35, 0.22)), url("../images/subpages-source/37-AD0I0bG1CRACGAAgzuuC6AUooMWBsQEwgA84rAI.jpg.webp");
}

.page-section,
.honor-section,
.csr-section,
.tech-section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 86px 0;
}

.section-heading.centered {
  margin: 0 auto 42px;
  text-align: center;
}

.section-heading.centered h2 {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 400;
}

.section-heading.centered p {
  margin: 0;
  color: var(--muted);
  line-height: 2;
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.process-grid article,
.tech-card,
.contact-card,
.contact-form {
  min-width: 0;
  padding: 34px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 38px rgba(21, 34, 54, 0.06);
}

.process-grid span {
  color: var(--accent-dark);
  font-weight: 700;
}

.process-grid h3,
.device-copy h2,
.news-feature h2,
.contact-card h2,
.contact-form h2 {
  margin: 12px 0 16px;
  color: var(--blue);
  font-size: 25px;
  font-weight: 400;
}

.process-grid p,
.device-copy li,
.device-copy .role,
.tech-card p,
.news-feature p,
.timeline p,
.csr-intro,
.csr-grid p,
.contact-card dd {
  color: var(--muted);
  font-size: 15px;
  line-height: 2.1;
}

.platform-section {
  display: grid;
  grid-template-columns: minmax(320px, 480px) minmax(320px, 1fr);
  gap: 54px;
  align-items: center;
  padding: 86px max(20px, calc((100vw - 1120px) / 2));
  background: var(--soft);
}

.platform-section.reverse {
  direction: rtl;
  background: #fff;
}

.platform-section.reverse > * {
  direction: ltr;
}

.platform-section img {
  width: 100%;
  max-height: 470px;
  object-fit: contain;
}

.device-copy ul {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.device-copy li {
  position: relative;
  padding-left: 18px;
}

.device-copy li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.tech-section {
  background: linear-gradient(180deg, #fff, var(--soft));
}

.tech-card {
  width: min(880px, 100%);
  margin: 0 auto;
}

.news-feature {
  display: grid;
  grid-template-columns: minmax(300px, 460px) minmax(320px, 1fr);
  gap: 56px;
  align-items: center;
}

.news-feature img {
  width: 100%;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

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

.timeline article {
  padding: 28px;
  background: #fff;
  border-top: 3px solid var(--accent);
  box-shadow: 0 10px 30px rgba(19, 59, 109, 0.06);
}

.timeline span {
  color: var(--blue);
  font-weight: 700;
}

.csr-section {
  width: 100%;
  padding-left: max(20px, calc((100vw - 1120px) / 2));
  padding-right: max(20px, calc((100vw - 1120px) / 2));
  background: var(--soft);
}

.csr-intro {
  width: min(880px, 100%);
  margin: 0 auto 40px;
  text-align: center;
}

.csr-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.csr-grid article {
  background: #fff;
}

.csr-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.csr-grid h3 {
  margin: 22px 22px 10px;
  color: var(--blue);
}

.csr-grid p {
  margin: 0;
  padding: 0 22px 26px;
}

.contact-main {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 480px);
  gap: 44px;
}

.contact-main > * {
  min-width: 0;
}

.contact-card dl {
  margin: 0;
}

.contact-card dt {
  margin-top: 20px;
  color: var(--blue);
  font-weight: 700;
}

.contact-card dd {
  margin: 6px 0 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

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

.contact-form h2,
.contact-form .wide,
.contact-form button,
.contact-form .form-note {
  grid-column: 1 / -1;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--blue);
  font-size: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--ink);
  font: inherit;
  border: 1px solid #dfe5ee;
  border-radius: 4px;
  background: #fff;
}

.contact-form button {
  width: 160px;
  height: 42px;
  color: #fff;
  font: inherit;
  border: 0;
  border-radius: 21px;
  background: var(--accent);
  cursor: pointer;
}

.form-note {
  min-height: 22px;
  margin: 0;
  color: var(--muted);
}

.contact-section.standalone {
  margin-top: 0;
}

@media (max-width: 1024px) {
  .site-header {
    min-height: 82px;
    padding: 0 28px;
  }

  .primary-nav {
    gap: 8px;
  }

  .intro-section {
    grid-template-columns: 1fr;
  }

  .group-card {
    position: relative;
    left: auto;
    bottom: auto;
    width: min(680px, 100%);
    margin: -120px auto 0;
  }

  .about-copy {
    padding-top: 8px;
  }

  .platform-section,
  .news-feature,
  .contact-main {
    grid-template-columns: 1fr;
  }

  .timeline,
  .csr-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .site-header {
    min-height: 52px;
    justify-content: center;
    padding: 0 16px;
  }

  .brand img {
    width: 54px;
  }

  .primary-nav {
    display: none;
  }

  .menu-toggle {
    position: absolute;
    left: 15px;
    display: grid;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 5px;
    background: transparent;
    border: 0;
  }

  .menu-toggle span {
    width: 22px;
    height: 2px;
    background: #808080;
  }

  .mobile-nav {
    position: absolute;
    top: 52px;
    left: 0;
    right: 0;
    display: grid;
    max-height: 0;
    overflow: hidden;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 36px rgba(18, 32, 55, 0.1);
    transition: max-height 0.25s ease;
  }

  .mobile-nav.open {
    max-height: 320px;
  }

  .mobile-nav a {
    padding: 14px 24px;
    border-top: 1px solid var(--line);
  }

  .mobile-nav .nav-cta {
    display: grid;
    place-items: center;
    width: calc(100% - 48px);
    margin: 12px 24px 18px;
    padding: 0;
  }

  .hero {
    min-height: 204px;
    place-items: start center;
    padding-top: 34px;
    background-position: center top;
  }

  .hero-copy {
    width: calc(100% - 64px);
    text-align: center;
    transform: none;
  }

  .hero-copy p {
    margin-bottom: 22px;
    font-size: 12px;
  }

  .hero-copy h1 {
    font-size: 16px;
    white-space: nowrap;
  }

  .intro-section {
    width: 100%;
    margin: 0 auto 54px;
    gap: 0;
  }

  .intro-media {
    display: none;
  }

  .group-card {
    width: calc(100% - 40px);
    margin: 0 auto 32px;
    padding: 22px 28px 28px;
    border-radius: 0 0 8px 8px;
  }

  .group-card h2 {
    display: none;
  }

  .group-card p,
  .about-copy p,
  .advantage-grid p,
  .problem-grid p,
  .contact-list {
    font-size: 14px;
    line-height: 2.55;
  }

  .pill-button {
    display: grid;
    width: 192px;
    margin: 14px auto 0;
  }

  .about-copy {
    width: calc(100% - 40px);
    margin: 0 auto;
  }

  .about-copy h2,
  .section-heading h2,
  .partner-section h2,
  .contact-section h2 {
    margin-bottom: 22px;
    font-size: 22px;
  }

  .services-section {
    padding-top: 18px;
  }

  .services-section > h2,
  .strength-section h2 {
    margin-bottom: 24px;
    font-size: 24px;
  }

  .service-grid,
  .problem-grid,
  .advantage-grid,
  .stat-grid,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .service-panel,
  .service-panel img {
    min-height: 240px;
  }

  .service-panel div {
    left: 24px;
    right: 24px;
    bottom: 28px;
  }

  .service-panel h3 {
    font-size: 20px;
  }

  .choose-section,
  .strength-section,
  .partner-section,
  .contact-section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .problem-grid article,
  .advantage-grid article {
    min-height: 0;
    padding: 24px;
  }

  .logo-wall {
    grid-template-columns: repeat(2, 1fr);
  }

  .sub-hero {
    min-height: 240px;
    padding: 0 24px;
  }

  .sub-hero p {
    font-size: 13px;
  }

  .sub-hero h1 {
    font-size: 24px;
  }

  .page-section,
  .honor-section,
  .csr-section,
  .tech-section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .process-grid,
  .timeline,
  .csr-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }

  .platform-section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .contact-form h2,
  .contact-form .wide,
  .contact-form button,
  .contact-form .form-note {
    grid-column: auto;
  }

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

  .contact-section {
    gap: 36px;
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (max-width: 390px) {
  .hero-copy h1 {
    font-size: 15px;
  }

  .group-card p,
  .about-copy p {
    line-height: 2.45;
  }

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