:root {
  --brand: #0071bb;
  --brand-2: #4290e0;
  --ink: #102033;
  --muted: #5e7188;
  --line: #dbe7f3;
  --bg: #f5f9fd;
  --white: #ffffff;
  --accent: #20b7a8;
  --warning: #f6b94d;
  --shadow: 0 18px 50px rgba(18, 66, 112, 0.13);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.7;
}

body.nav-open {
  overflow: hidden;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 72px;
  padding: 0 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(219, 231, 243, 0.8);
  backdrop-filter: blur(16px);
}

.brand img {
  width: 152px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  padding: 8px 13px;
  color: #29445f;
  font-size: 15px;
  border-radius: 6px;
  transition: 0.2s ease;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--brand);
  background: #edf6ff;
}

.site-nav .nav-cta {
  color: var(--white);
  background: var(--brand);
  box-shadow: 0 8px 20px rgba(0, 113, 187, 0.22);
}

.site-nav .nav-cta:hover {
  color: var(--white);
  background: #0b82d2;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 760px;
  padding: 108px 7vw 86px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.72fr);
  gap: 54px;
  align-items: center;
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(245, 250, 255, 0.98), rgba(235, 247, 255, 0.8)),
    url("./images/hero-bg.jpg") center/cover;
}

.hero-bg {
  position: absolute;
  inset: auto 0 0;
  height: 260px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), #ffffff);
}

.hero-content,
.hero-panel {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 800px;
  margin: 0;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.12;
  letter-spacing: 0;
  color: #0b233a;
}

.hero-copy {
  max-width: 700px;
  margin: 26px 0 0;
  color: #3f5b75;
  font-size: 20px;
}

.hero-actions,
.hero-metrics {
  margin-top: 36px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: 0.2s ease;
}

.btn.primary {
  color: var(--white);
  background: var(--brand);
  box-shadow: 0 12px 28px rgba(0, 113, 187, 0.24);
}

.btn.primary:hover {
  background: #0868aa;
  transform: translateY(-1px);
}

.btn.secondary {
  color: var(--brand);
  background: var(--white);
  border-color: #b7d8f4;
}

.hero-hint {
  margin: 14px 0 0;
  color: #55718a;
  font-size: 15px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 620px;
  padding: 0;
  gap: 14px;
}

.hero-metrics div {
  padding: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(190, 216, 238, 0.84);
  border-radius: 8px;
}

.hero-metrics dt {
  color: var(--brand);
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
}

.hero-metrics dd {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.hero-panel {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  color: var(--muted);
}

.panel-head strong {
  color: var(--brand);
  font-size: 22px;
}

.orbit {
  position: relative;
  height: 330px;
  margin: 18px 0 20px;
  border: 1px dashed #a9cce9;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(0, 113, 187, 0.08), rgba(32, 183, 168, 0.1));
}

.orbit::before {
  content: "高奇点";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 132px;
  height: 132px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--white);
  font-size: 24px;
  font-weight: 800;
  background: linear-gradient(145deg, var(--brand), var(--accent));
  box-shadow: 0 18px 34px rgba(0, 113, 187, 0.24);
}

.orbit span {
  position: absolute;
  min-width: 96px;
  padding: 9px 12px;
  text-align: center;
  color: #174263;
  background: var(--white);
  border: 1px solid #cde4f6;
  border-radius: 999px;
  box-shadow: 0 8px 18px rgba(18, 66, 112, 0.09);
}

.orbit span:nth-child(1) {
  left: 50%;
  top: 24px;
  transform: translateX(-50%);
}

.orbit span:nth-child(2) {
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
}

.orbit span:nth-child(3) {
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
}

.orbit span:nth-child(4) {
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
}

.panel-card {
  padding: 18px;
  border-radius: 8px;
  background: #f7fbff;
  border: 1px solid #dbeaf7;
}

.panel-card p {
  margin: 8px 0 0;
  color: var(--muted);
}

.section {
  padding: 88px 7vw;
}

.section-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading h2,
.about-layout h2,
.contact-copy h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.22;
  letter-spacing: 0;
  white-space: nowrap;
}

.section-heading p:not(.eyebrow),
.about-layout p,
.contact-copy p {
  color: var(--muted);
  font-size: 17px;
}

.trust-strip {
  padding: 0 7vw;
  transform: translateY(-32px);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: var(--line);
}

.trust-grid p {
  margin: 0;
  padding: 24px 18px;
  text-align: center;
  color: #244a68;
  font-weight: 700;
  background: var(--white);
}

.audience-section {
  padding-top: 56px;
}

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

.audience-grid article {
  min-height: 286px;
  display: flex;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #f7fbff);
  box-shadow: 0 12px 28px rgba(18, 66, 112, 0.07);
}

.audience-grid span {
  color: var(--brand);
  font-size: 14px;
  font-weight: 800;
}

.audience-grid h3 {
  margin: 14px 0 10px;
  font-size: 22px;
  line-height: 1.34;
}

.audience-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.audience-grid a {
  width: fit-content;
  margin-top: auto;
  padding-top: 22px;
  color: var(--brand);
  font-weight: 800;
}

.audience-grid a::after {
  content: " →";
}

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

.solution-card,
.case-card {
  min-height: 230px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 28px rgba(18, 66, 112, 0.07);
}

.solution-card h3,
.case-card h3,
.product-feature h3,
.tech-copy h3 {
  margin: 12px 0;
  font-size: 24px;
}

.solution-card p,
.case-card p,
.product-feature p,
.product-cards p,
.tech-copy p {
  color: var(--muted);
}

.card-index {
  color: var(--brand-2);
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
}

.blue-section {
  color: var(--white);
  background:
    linear-gradient(145deg, rgba(0, 81, 139, 0.96), rgba(0, 113, 187, 0.9)),
    url("./images/contact-bg.jpg") center/cover;
}

.section-heading.light .eyebrow,
.section-heading.light p,
.section-heading.light h2 {
  color: var(--white);
}

.product-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
}

.product-feature,
.product-cards article {
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
}

.product-feature {
  padding: 34px;
}

.product-feature p,
.product-cards p {
  color: rgba(255, 255, 255, 0.82);
}

.product-feature ul {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.product-feature li {
  padding: 12px 0 12px 24px;
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.product-feature li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning);
}

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

.product-cards article {
  padding: 24px;
}

.product-cards h4 {
  margin: 0 0 10px;
  font-size: 21px;
}

.tech-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) 1.1fr;
  gap: 36px;
  align-items: center;
}

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

.tech-map div {
  min-height: 112px;
  display: grid;
  place-items: center;
  padding: 18px;
  text-align: center;
  color: #15517c;
  font-weight: 800;
  border-radius: 8px;
  background: linear-gradient(145deg, #edf7ff, #ffffff);
  border: 1px solid #d4e9fa;
}

.tech-copy {
  padding: 32px;
  border-radius: 8px;
  background: #f7fbff;
  border: 1px solid var(--line);
}

.flow {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.flow span {
  padding: 10px 16px;
  color: var(--brand);
  font-weight: 700;
  border-radius: 999px;
  background: var(--white);
  border: 1px solid #cde4f6;
}

.muted-section,
.contact-section {
  background: var(--bg);
}

.honor-carousel {
  position: relative;
}

.honor-viewport {
  overflow: hidden;
  padding: 6px 2px 20px;
}

.honor-track {
  display: flex;
  gap: 22px;
  will-change: transform;
}

.honor-card {
  flex: 0 0 calc((100% - 44px) / 3);
  display: flex;
  flex-direction: column;
  min-height: 318px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 28px rgba(18, 66, 112, 0.07);
  transition: 0.2s ease;
}

.honor-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.honor-card img {
  width: 100%;
  height: 254px;
  object-fit: contain;
  padding: 18px;
  background: #f7fbff;
  border-bottom: 1px solid var(--line);
}

.honor-card span {
  display: flex;
  align-items: center;
  min-height: 62px;
  padding: 12px 16px;
  color: #244a68;
  font-weight: 800;
}

.carousel-btn {
  position: absolute;
  top: 42%;
  z-index: 3;
  width: 44px;
  height: 44px;
  border: 1px solid #cde4f6;
  border-radius: 50%;
  color: var(--brand);
  font-size: 32px;
  line-height: 1;
  background: var(--white);
  box-shadow: 0 10px 24px rgba(18, 66, 112, 0.14);
  cursor: pointer;
}

.carousel-btn.prev {
  left: -22px;
}

.carousel-btn.next {
  right: -22px;
}

.carousel-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
}

.carousel-dots button {
  width: 9px;
  height: 9px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #b8d1e6;
  cursor: pointer;
}

.carousel-dots button.active {
  width: 24px;
  border-radius: 999px;
  background: var(--brand);
}

.case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-card {
  min-height: 250px;
}

.partner-row {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.partner-row span {
  padding: 10px 16px;
  color: #315b79;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.about-layout,
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 52px;
  align-items: start;
}

.timeline {
  border-left: 2px solid #cde4f6;
}

.timeline div {
  position: relative;
  padding: 0 0 28px 30px;
}

.timeline div::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--brand);
  border: 3px solid #dff0ff;
}

.timeline b {
  display: block;
  color: var(--brand);
  font-size: 20px;
}

.timeline span {
  color: var(--muted);
}

.contact-form {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: block;
  margin-bottom: 16px;
}

.contact-form span {
  display: block;
  margin-bottom: 8px;
  color: #28455e;
  font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 1px solid #cbddeb;
  border-radius: 6px;
  padding: 12px 14px;
  color: var(--ink);
  font: inherit;
  background: #fbfdff;
}

.contact-form textarea {
  resize: vertical;
}

.contact-info {
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.form-submit {
  width: 100%;
}

.form-note {
  margin: 14px 0 0;
  color: #74869a;
  font-size: 13px;
}

.site-footer {
  color: var(--white);
  background: var(--brand-2);
}

.footer-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 42px 7vw;
  display: grid;
  grid-template-columns: 1fr 1fr 1.3fr;
  gap: 30px;
}

.site-footer img {
  width: 170px;
  margin-bottom: 16px;
}

.site-footer p {
  margin: 6px 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  align-content: start;
}

.site-footer a:hover {
  color: #fff7b0;
}

.footer-legal {
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
}

.footer-legal a {
  margin-right: 16px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  z-index: 80;
  max-width: min(460px, calc(100vw - 32px));
  padding: 14px 18px;
  color: var(--white);
  background: rgba(16, 32, 51, 0.94);
  border-radius: 6px;
  box-shadow: var(--shadow);
  transform: translate(-50%, 120px);
  opacity: 0;
  transition: 0.25s ease;
}

.toast.show {
  transform: translate(-50%, 0);
  opacity: 1;
}

.policy-page {
  background: var(--bg);
}

.policy-main {
  width: min(920px, calc(100% - 40px));
  margin: 48px auto;
  padding: 42px;
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.policy-main h1 {
  margin-top: 0;
  font-size: 38px;
}

.policy-main h2 {
  margin-top: 32px;
}

.policy-main p,
.policy-main li {
  color: var(--muted);
}

@media (max-width: 1024px) {
  .site-header {
    padding: 0 24px;
  }

  .hero,
  .product-layout,
  .tech-grid,
  .about-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 82px;
  }

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

  .honor-card {
    flex-basis: calc((100% - 22px) / 2);
  }
}

@media (max-width: 760px) {
  .site-header {
    height: 64px;
    padding: 0 18px;
  }

  .brand img {
    width: 130px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    left: 16px;
    right: 16px;
    top: 76px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 16px;
    border-radius: 8px;
    background: var(--white);
    box-shadow: var(--shadow);
  }

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

  .site-nav a {
    padding: 12px 14px;
  }

  .hero {
    padding: 62px 20px 58px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-hint {
    font-size: 14px;
  }

  .hero-metrics,
  .solution-grid,
  .product-cards,
  .audience-grid,
  .trust-grid,
  .case-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .honor-card {
    flex-basis: 100%;
  }

  .carousel-btn {
    top: auto;
    bottom: -6px;
    width: 38px;
    height: 38px;
    font-size: 28px;
  }

  .carousel-btn.prev {
    left: 0;
  }

  .carousel-btn.next {
    right: 0;
  }

  .carousel-dots {
    padding: 10px 48px 0;
  }

  .hero-panel {
    padding: 18px;
  }

  .orbit {
    height: 285px;
  }

  .section {
    padding: 62px 20px;
  }

  .trust-strip {
    padding: 0 20px;
    transform: translateY(-18px);
  }

  .solution-card,
  .case-card {
    min-height: auto;
  }

  .tech-map {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    padding: 36px 20px;
  }

  .policy-main {
    width: calc(100% - 28px);
    padding: 26px 20px;
  }
}

/* ── Mobile: allow h2 wrap on small screens ── */
@media (max-width: 600px) {
  .section-heading h2,
  .about-layout h2,
  .contact-copy h2 {
    white-space: normal;
  }
}

/* ══════════════════════════════════════════════
   Animation System
   ══════════════════════════════════════════════ */

/* ── Keyframes ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(36px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes countPulse {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.08); }
  100% { transform: scale(1); }
}

@keyframes orbitSpin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Hero entrance ── */
.hero-content > .eyebrow {
  animation: fadeUp 0.6s ease both;
  animation-delay: 0.1s;
}

.hero-content > h1 {
  animation: fadeUp 0.7s ease both;
  animation-delay: 0.25s;
}

.hero-content > .hero-copy {
  animation: fadeUp 0.7s ease both;
  animation-delay: 0.4s;
}

.hero-actions {
  animation: fadeUp 0.6s ease both;
  animation-delay: 0.55s;
}

.hero-hint {
  animation: fadeUp 0.5s ease both;
  animation-delay: 0.65s;
}

.hero-metrics {
  animation: fadeUp 0.6s ease both;
  animation-delay: 0.75s;
}

.hero-panel {
  animation: slideInRight 0.8s ease both;
  animation-delay: 0.5s;
}

/* ── Scroll reveal ── */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* ── Staggered children ── */
.stagger-children > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0s;    opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.08s;  opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.16s;  opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.24s;  opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.32s;  opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.4s;   opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.48s;  opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.56s;  opacity: 1; transform: translateY(0); }

/* ── Counter pulse on metrics ── */
.hero-metrics.counted dt {
  animation: countPulse 0.4s ease;
}

/* ── Enhanced hover effects ── */
.audience-grid article,
.solution-card,
.case-card,
.product-cards article {
  position: relative;
  overflow: hidden;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

/* Audience card: top accent bar slides in */
.audience-grid article::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.audience-grid article:hover::before {
  transform: scaleX(1);
}

.audience-grid article:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 52px rgba(18, 66, 112, 0.16);
  border-color: #b7d8f4;
}

.audience-grid article:hover a::after {
  margin-left: 6px;
}

.audience-grid article a {
  transition: gap 0.3s ease;
}

.audience-grid article a::after {
  display: inline-block;
  transition: margin-left 0.3s ease;
}

/* Solution card: number glow + lift */
.solution-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 52px rgba(18, 66, 112, 0.16);
  border-color: #b7d8f4;
}

.solution-card:hover .card-index {
  color: var(--brand);
  text-shadow: 0 0 20px rgba(0, 113, 187, 0.3);
  transform: scale(1.1);
}

.card-index {
  transition: color 0.3s ease, text-shadow 0.3s ease, transform 0.3s ease;
}

/* Case card: left accent border */
.case-card {
  border-left: 3px solid transparent;
}

.case-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 52px rgba(18, 66, 112, 0.16);
  border-left-color: var(--brand);
}

.case-card h3 {
  transition: color 0.3s ease;
}

.case-card:hover h3 {
  color: var(--brand);
}

/* Product cards: glass glow */
.product-cards article:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.15);
}

.product-cards article {
  transition: transform 0.35s ease, background 0.35s ease, box-shadow 0.35s ease;
}

/* Honor card: 反白 inverse + zoom */
.honor-card {
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease, border-color 0.4s ease, background 0.4s ease;
}

.honor-card img {
  filter: grayscale(0.3) brightness(0.97);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), filter 0.5s ease;
}

.honor-card span {
  transition: color 0.3s ease, background 0.3s ease;
}

.honor-card:hover {
  transform: translateY(-10px) scale(1.06);
  box-shadow: 0 28px 56px rgba(0, 113, 187, 0.25);
  border-color: var(--brand);
  background: #0a1628;
}

.honor-card:hover img {
  filter: grayscale(0) brightness(1.05);
  transform: scale(1.15);
}

.honor-card:hover span {
  color: #ffffff;
  background: #0a1628;
}

/* ── Orbit subtle glow ── */
.orbit::after {
  content: "";
  position: absolute;
  inset: 50%;
  width: 180px;
  height: 180px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 113, 187, 0.1) 0%, transparent 70%);
  animation: orbitSpin 20s linear infinite;
  pointer-events: none;
}

/* ── Trust strip slide-in ── */
.trust-strip .trust-grid p {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.trust-strip.visible .trust-grid p {
  opacity: 1;
  transform: translateY(0);
}

.trust-strip.visible .trust-grid p:nth-child(1) { transition-delay: 0s; }
.trust-strip.visible .trust-grid p:nth-child(2) { transition-delay: 0.1s; }
.trust-strip.visible .trust-grid p:nth-child(3) { transition-delay: 0.2s; }
.trust-strip.visible .trust-grid p:nth-child(4) { transition-delay: 0.3s; }

/* ── Partner row tags ── */
.partner-row span {
  transition: transform 0.2s ease, background 0.2s ease;
}

.partner-row span:hover {
  transform: translateY(-2px);
  background: #edf6ff;
}

/* ── Button hover lift ── */
.btn {
  transition: 0.25s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

/* ── Timeline dot pulse ── */
.timeline div::before {
  transition: box-shadow 0.3s ease;
}

.timeline div:hover::before {
  box-shadow: 0 0 0 6px rgba(0, 113, 187, 0.15);
}

/* ── Trust strip inverse on hover ── */
.trust-grid p {
  transition: background 0.35s ease, color 0.35s ease;
}

.trust-grid p:hover {
  background: #0a1628;
  color: #ffffff;
}

/* ── Tech map inverse on hover ── */
.tech-map div {
  transition: background 0.35s ease, color 0.35s ease, border-color 0.35s ease, transform 0.35s ease;
}

.tech-map div:hover {
  background: linear-gradient(145deg, #0a1628, #162a4a);
  color: #ffffff;
  border-color: var(--brand);
  transform: scale(1.04);
}

/* ── Respect reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}