:root {
  --ink: #10242b;
  --deep: #073b4c;
  --blue: #39a8f2;
  --green: #29b866;
  --light-green: #dff7df;
  --milk: #fffdf4;
  --cream: #fff8df;
  --sky: #e9f7ff;
  --paper: #f8fcf8;
  --muted: #65767c;
  --line: rgba(16, 72, 82, 0.12);
  --white: #fff;
  --shadow: 0 20px 48px rgba(13, 78, 92, 0.12);
  --hero-title-size: clamp(34px, 3.6vw, 50px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

p {
  line-height: 1.8;
}

h1,
h2,
h3,
p,
figure {
  margin-top: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 12px clamp(18px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

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

.brand img {
  width: 114px;
  height: 52px;
  object-fit: contain;
}

.brand strong,
.brand small {
  display: block;
  white-space: nowrap;
}

.brand strong {
  color: var(--deep);
  font-size: 17px;
  line-height: 1.1;
}

.brand small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  padding: 10px 13px;
  border-radius: 8px;
  color: #23414a;
  font-size: 15px;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--deep);
  background: var(--light-green);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--deep);
}

.home-hero,
.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(34px, 6vw, 84px);
  align-items: center;
  padding: clamp(54px, 8vw, 96px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(135deg, rgba(255, 253, 244, 0.98), rgba(233, 247, 255, 0.9)),
    linear-gradient(90deg, rgba(41, 184, 102, 0.12), transparent);
}

.home-hero h1,
.page-hero h1 {
  max-width: 720px;
  margin-bottom: 22px;
  color: var(--deep);
  font-size: var(--hero-title-size);
  line-height: 1.14;
  letter-spacing: 0;
}

.home-hero h1 span {
  display: block;
  white-space: nowrap;
}

.home-hero p,
.page-hero p {
  max-width: 680px;
  color: #42606a;
  font-size: 18px;
}

.page-hero.text-only {
  display: block;
  min-height: 360px;
}

.page-hero.text-only.honors-hero {
  min-height: 0;
  padding-bottom: clamp(28px, 4vw, 44px);
}

.compact-hero h1 {
  font-size: var(--hero-title-size);
}

.hero-image,
.page-hero img,
.split-section img,
.preview-grid img {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.hero-image img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-hero > img,
.split-section > img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.eyebrow {
  margin-bottom: 12px;
  color: var(--green);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.actions,
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 800;
}

.btn.primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--green), #54c9f6);
}

.btn.secondary {
  color: var(--deep);
  background: var(--white);
  border-color: var(--line);
}

.text-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--green);
  font-weight: 800;
}

.metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0 clamp(20px, 5vw, 72px);
  background: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metrics-bar div {
  padding: 28px 12px;
  border-right: 1px solid var(--line);
}

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

.metrics-bar strong {
  display: block;
  color: var(--blue);
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1;
}

.metrics-bar span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.section {
  padding: clamp(70px, 9vw, 110px) clamp(20px, 5vw, 72px);
  scroll-margin-top: 92px;
}

.honor-highlight-section {
  padding-top: clamp(28px, 4vw, 44px);
}

.section-heading {
  max-width: 850px;
  margin-bottom: 38px;
}

.section-heading.centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading h2,
.split-section h2,
.credibility-band h2,
.contact-form h2,
.identity-card h2 {
  margin-bottom: 16px;
  color: var(--deep);
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1.18;
}

.contact-info h2 {
  margin-bottom: 16px;
  color: var(--deep);
  font-size: 32px;
  line-height: 1.18;
}

.section-heading p,
.split-section p,
.credibility-band p {
  color: var(--muted);
  font-size: 17px;
}

.intro-section,
.partners-section,
.placeholder-section {
  background: var(--white);
}

.feature-grid {
  display: grid;
  gap: 20px;
}

.feature-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.feature-grid.four {
  grid-template-columns: repeat(4, 1fr);
}

.feature-card,
.preview-grid article,
.cabinet-card,
.honor-card,
.honor-image-card,
.identity-card,
.contact-info,
.contact-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.feature-card {
  min-height: 230px;
  padding: 28px;
}

.feature-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 24px;
  border-radius: 8px;
  color: var(--deep);
  background: var(--light-green);
  font-weight: 900;
}

.feature-card h3,
.preview-grid h3,
.cabinet-card h3,
.honor-card h3 {
  margin-bottom: 12px;
  color: var(--deep);
  font-size: 22px;
}

.feature-card p,
.preview-grid p,
.cabinet-card p,
.honor-card p,
.identity-card p,
.about-text p {
  color: var(--muted);
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(420px, 1fr);
  gap: clamp(34px, 6vw, 78px);
  align-items: center;
  background: var(--sky);
}

.split-section.reverse {
  background: var(--white);
}

.product-preview {
  background: linear-gradient(180deg, var(--milk), var(--paper));
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
  margin-bottom: 26px;
}

.preview-grid article {
  overflow: hidden;
}

.preview-grid img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.preview-grid h3,
.preview-grid p {
  margin-right: 24px;
  margin-left: 24px;
}

.preview-grid h3 {
  margin-top: 22px;
}

.preview-grid p {
  margin-bottom: 24px;
}

.video-section {
  background: var(--white);
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.video-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.video-cover {
  position: relative;
  display: block;
  overflow: hidden;
}

.video-cover::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 59, 73, 0), rgba(8, 59, 73, 0.18));
  content: "";
}

.video-cover img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.video-card:hover .video-cover img {
  transform: scale(1.025);
}

.video-body {
  padding: 22px;
}

.video-body > span {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 5px 10px;
  border-radius: 8px;
  color: var(--green);
  background: var(--light-green);
  font-size: 13px;
  font-weight: 900;
}

.video-body h3 {
  margin-bottom: 10px;
  color: var(--deep);
  font-size: 22px;
}

.video-body p {
  color: var(--muted);
}

.video-actions {
  display: flex;
  gap: 14px;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
}

.video-actions .btn {
  flex: 1;
}

.video-actions img {
  width: 82px;
  height: 82px;
  padding: 6px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 96px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--deep);
  background: var(--white);
}

.partner-logo img {
  width: 148px;
  height: 58px;
  object-fit: contain;
}

.partner-logo.compact-logo img {
  width: auto;
  height: 58px;
  max-width: 92px;
}

.partner-logo.logo-tall {
  padding: 10px 18px;
}

.partner-logo.logo-tall img {
  width: 150px;
  height: 76px;
}

.credibility-band,
.boundary-section {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: center;
  color: var(--white);
  background: linear-gradient(135deg, var(--deep), #0f8a70);
}

.credibility-band h2,
.credibility-band p,
.boundary-section h2,
.boundary-section p,
.boundary-section .eyebrow {
  color: var(--white);
}

.timeline-section,
.service-cards,
.about-copy-section {
  background: var(--milk);
}

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

.timeline article {
  padding: 26px;
  border-left: 4px solid var(--green);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.timeline strong {
  color: var(--blue);
}

.boundary-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  max-width: 760px;
}

.boundary-list p {
  margin: 0;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
}

.cabinet-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.cabinet-card {
  overflow: hidden;
}

.cabinet-card figure {
  margin: 0;
  padding: 16px;
  background: linear-gradient(180deg, var(--white), var(--sky));
}

.cabinet-card img {
  width: 100%;
  aspect-ratio: 5 / 7;
  object-fit: contain;
}

.cabinet-card > div {
  padding: 24px;
}

.tag {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 5px 10px;
  border-radius: 8px;
  color: var(--green);
  background: var(--light-green);
  font-size: 13px;
  font-weight: 800;
}

dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

dl div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  text-align: right;
  font-weight: 800;
}

.mini-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.mini-list span {
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--deep);
  background: var(--light-green);
  font-weight: 800;
}

.honor-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.honor-image-card {
  position: relative;
  overflow: hidden;
  min-height: 260px;
  isolation: isolate;
}

.honor-image-card::after {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(8, 59, 73, 0.08), rgba(8, 59, 73, 0.46));
  content: "";
  pointer-events: none;
}

.honor-image-card img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  transition: transform 0.35s ease;
}

.honor-image-card:hover img {
  transform: scale(1.025);
}

.honor-image-card span {
  position: absolute;
  top: 18px;
  right: 18px;
  left: 18px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 14px;
  border-radius: 8px;
  color: var(--white);
  background: rgba(8, 59, 73, 0.72);
  box-shadow: 0 14px 36px rgba(8, 59, 73, 0.18);
  font-size: 20px;
  font-weight: 900;
  line-height: 1.3;
  backdrop-filter: blur(10px);
}

.honor-card {
  overflow: hidden;
}

.honor-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: top center;
  border-bottom: 1px solid var(--line);
}

.honor-card h3,
.honor-card p {
  margin-right: 24px;
  margin-left: 24px;
}

.honor-card h3 {
  margin-top: 22px;
}

.honor-card p {
  margin-bottom: 24px;
}

.credential-groups {
  display: grid;
  gap: 24px;
}

.credential-row-top {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.credential-row-top .credential-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.credential-group h3 {
  margin: 0 0 12px;
  color: var(--deep);
  font-size: 20px;
}

.credential-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}

.credential-grid.single {
  grid-template-columns: minmax(0, 1fr);
  max-width: 220px;
}

.credential-row-top .credential-grid.single {
  max-width: none;
}

.credential-item {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.credential-item img {
  display: block;
  width: 100%;
  height: 210px;
  object-fit: contain;
  padding: 10px;
  background: linear-gradient(180deg, #ffffff, var(--milk));
}

.industry-section {
  overflow: hidden;
  background: var(--white);
}

.industry-scroll {
  display: grid;
  grid-auto-columns: minmax(280px, 32vw);
  grid-auto-flow: column;
  gap: 18px;
  overflow-x: auto;
  padding: 4px 0 18px;
  scroll-snap-type: x proximity;
  scrollbar-color: rgba(8, 59, 73, 0.35) transparent;
}

.industry-photo {
  position: relative;
  min-height: 240px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
  scroll-snap-align: start;
}

.industry-photo.wide {
  grid-column: span 2;
  min-width: min(620px, 72vw);
}

.industry-photo img {
  display: block;
  width: 100%;
  height: 240px;
  object-fit: cover;
}

.industry-photo figcaption {
  position: absolute;
  right: 12px;
  bottom: 12px;
  left: 12px;
  padding: 8px 10px;
  border-radius: 8px;
  color: var(--white);
  background: rgba(8, 59, 73, 0.72);
  font-size: 15px;
  font-weight: 900;
  backdrop-filter: blur(10px);
}

.about-copy-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  gap: 32px;
  align-items: start;
}

.about-text {
  font-size: 18px;
}

.identity-card {
  padding: 28px;
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.85fr) minmax(360px, 1.15fr);
  gap: 28px;
  background: var(--milk);
}

.contact-direct {
  grid-template-columns: minmax(300px, 0.8fr) minmax(420px, 1.2fr);
}

.contact-compact {
  align-items: stretch;
}

.contact-info,
.contact-form,
.qr-panel {
  padding: 30px;
}

.contact-lead {
  margin: 8px 0 28px;
  color: var(--muted);
}

address {
  font-style: normal;
}

address p {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, var(--milk));
}

address strong {
  color: var(--deep);
  font-size: 15px;
}

address span {
  color: var(--muted);
}

.hotline {
  color: var(--deep);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}

.qr-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.qr-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  text-align: center;
  box-shadow: var(--shadow);
}

.qr-card img {
  width: min(100%, 240px);
  height: 240px;
  object-fit: contain;
  margin: 0 auto 20px;
  border-radius: 8px;
  background: var(--white);
}

.qr-card h2 {
  margin-bottom: 10px;
  color: var(--deep);
  font-size: 22px;
}

.qr-card p {
  color: var(--muted);
}

.contact-form {
  display: grid;
  gap: 16px;
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--deep);
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font: inherit;
  background: var(--white);
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  gap: 24px;
  align-items: center;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  background: var(--white);
  border-top: 1px solid var(--line);
}

.site-footer img {
  width: 102px;
  height: 48px;
  object-fit: contain;
}

.site-footer p {
  margin: 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.site-footer a:hover {
  color: var(--green);
}

@media (max-width: 1120px) {
  .brand span {
    display: none;
  }

  .site-nav a {
    padding-right: 10px;
    padding-left: 10px;
  }
}

@media (max-width: 980px) {
  .home-hero,
  .page-hero,
  .split-section,
  .about-copy-section,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .feature-grid.three,
  .feature-grid.four,
  .timeline,
  .cabinet-grid,
  .honor-grid {
    grid-template-columns: 1fr;
  }

  .credential-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .credential-row-top {
    grid-template-columns: 1fr;
  }

  .credential-grid.single {
    max-width: 220px;
  }

  .credential-row-top .credential-grid.single {
    max-width: 220px;
  }

  .credential-item img {
    height: 176px;
  }

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

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

  .partner-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .industry-scroll {
    grid-auto-columns: minmax(260px, 78vw);
  }

  .industry-photo.wide {
    min-width: min(520px, 88vw);
  }

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

  .credibility-band,
  .boundary-section {
    display: grid;
  }

  .boundary-list {
    grid-template-columns: 1fr;
    max-width: none;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .site-header {
    min-height: 68px;
  }

  .brand img {
    width: 96px;
    height: 44px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 68px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    border-radius: 8px;
  }

  .home-hero,
  .page-hero {
    padding-top: 42px;
  }

  .home-hero h1,
  .page-hero h1 {
    font-size: 28px;
    line-height: 1.16;
  }

  .home-hero p,
  .page-hero p {
    font-size: 15px;
    line-height: 1.8;
  }

  .home-hero .eyebrow,
  .page-hero .eyebrow {
    font-size: 13px;
  }

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

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

  .metrics-bar div:nth-child(2) {
    border-right: 0;
  }

  .metrics-bar div:nth-child(-n + 2) {
    border-bottom: 1px solid var(--line);
  }

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

  .video-actions {
    align-items: stretch;
  }

  .video-actions img {
    width: 76px;
    height: 76px;
  }
}

@media (max-width: 460px) {
  .metrics-bar,
  .partner-grid {
    grid-template-columns: 1fr;
  }

  .metrics-bar div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metrics-bar div:last-child {
    border-bottom: 0;
  }

  dl div,
  address p {
    display: block;
  }

  dd,
  address span {
    display: block;
    margin-top: 5px;
    text-align: left;
  }

  .video-actions {
    display: grid;
  }

  .video-actions img {
    margin: 0 auto;
  }
}