:root {
  --brand: #1261ff;
  --brand-deep: #003fdf;
  --lime: #e8f31a;
  --page-bg: #eff3ff;
  --ink: #252a34;
  --muted: #606a7c;
  --line: rgba(20, 70, 160, 0.12);
  --content-width: 75rem;
  --wide-width: 91.875rem;
  font-size: clamp(12px, 0.833333vw, 16px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--page-bg);
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body,
button,
a {
  font-family: inherit;
}

body.menu-open {
  overflow: hidden;
}

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

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

button {
  border: 0;
  color: inherit;
}

section,
footer {
  scroll-margin-top: 4.75rem;
}

.content-shell {
  width: min(var(--content-width), 80%);
  margin-inline: auto;
}

.section-light {
  background-color: var(--page-bg);
}

.section-heading {
  position: relative;
  z-index: 1;
  text-align: center;
}

.section-heading h2 {
  margin: 0;
  color: #242832;
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  line-height: 1.35;
}

.section-heading p {
  margin: 0.38rem 0 0;
  color: #222936;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  line-height: 1.5;
}

.section-intro {
  margin: 0;
  color: #4d5666;
  font-size: 0.94rem;
  letter-spacing: 0.055em;
  line-height: 2.15;
  text-align: center;
}

/* Header and hero */
.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  height: 4.75rem;
  color: #1d2530;
  transition: background 220ms ease, box-shadow 220ms ease, backdrop-filter 220ms ease;
}

.site-header.is-scrolled,
.site-header.menu-visible {
  background: rgba(246, 250, 255, 0.9);
  box-shadow: 0 0.55rem 1.7rem rgba(28, 76, 152, 0.09);
  backdrop-filter: blur(1rem);
}

.header-inner {
  display: flex;
  width: min(85rem, 80%);
  height: 100%;
  margin-inline: auto;
  align-items: center;
}

.brand {
  display: block;
  width: 3.125rem;
  height: 3.125rem;
  flex: 0 0 auto;
}

.brand img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.nav-links {
  display: flex;
  margin-left: 13rem;
  align-items: center;
  gap: 4.5rem;
  font-size: 0.92rem;
  white-space: nowrap;
}

.nav-links a {
  position: relative;
  display: flex;
  height: 3.4rem;
  align-items: center;
  transition: color 180ms ease;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 0.12rem;
  background: #181f29;
  content: "";
  opacity: 0;
  transform: scaleX(0.35);
  transition: opacity 180ms ease, transform 180ms ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: #05080d;
}

.nav-links a.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  background: #dce9fb;
}

.hero-image {
  width: 100%;
  height: auto;
}

/* Shortcut navigation */
.quick-nav {
  position: relative;
  z-index: 2;
  height: 8.75rem;
  background-color: var(--lime);
  background-image: url("images/img@2x.png");
  background-position: center;
  background-size: 100% 10.5rem;
  background-repeat: no-repeat;
}

.quick-nav-inner {
  display: grid;
  width: min(80rem, 84%);
  height: 100%;
  margin-inline: auto;
  grid-template-columns: repeat(7, 1fr);
  align-items: center;
}

.quick-nav a {
  display: flex;
  min-width: 0;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  gap: 0.72rem;
  color: #fff;
  font-size: 0.86rem;
  transition: transform 180ms ease, opacity 180ms ease;
}

.quick-nav a:nth-child(n + 4) {
  color: #143f99;
}

.quick-nav a:hover {
  transform: translateY(-0.25rem);
}

.quick-nav a img {
  width: 3rem;
  height: 3rem;
  object-fit: contain;
}

/* Credit supervision */
.supervision-section {
  position: relative;
  min-height: 75rem;
  overflow: hidden;
}

.supervision-glow {
  position: absolute;
  top: 2rem;
  left: 50%;
  width: 58rem;
  height: 58rem;
  background: url("images/bg@2x.png") center / contain no-repeat;
  opacity: 0.055;
  transform: translateX(-50%);
}

.supervision-section .section-content {
  position: relative;
  z-index: 1;
  padding-top: 12.55rem;
}

.supervision-section .section-intro {
  margin-top: 3.1rem;
}

.video-frame {
  position: relative;
  width: 56.25rem;
  aspect-ratio: 16 / 9;
  margin: 3.25rem auto 0;
  overflow: hidden;
  border-radius: 0.55rem;
  background: #07152d;
  box-shadow: 0 1.25rem 3rem rgba(42, 80, 147, 0.12);
  cursor: pointer;
}

.video-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.play-button,
.provider-play {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  display: grid;
  width: 3.8rem;
  height: 3.8rem;
  padding: 0;
  transform: translate(-50%, -50%);
  place-items: center;
  border: 0.09rem solid rgba(255, 255, 255, 0.86);
  border-radius: 50%;
  background: rgba(7, 21, 45, 0.5);
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, opacity 180ms ease;
}

.play-button:hover,
.provider-play:hover {
  transform: translate(-50%, -50%) scale(1.08);
  background: rgba(7, 21, 45, 0.76);
}

.play-button span,
.provider-play span {
  width: 0;
  height: 0;
  margin-left: 0.24rem;
  border-top: 0.62rem solid transparent;
  border-bottom: 0.62rem solid transparent;
  border-left: 0.96rem solid #fff;
}

.video-frame.is-playing .play-button {
  opacity: 0;
  pointer-events: none;
}

/* Provider settlement */
.provider-section {
  position: relative;
  min-height: 67.5rem;
  overflow: hidden;
  background: #0868ff url("images/img_fuwushang@2x.png") center / cover no-repeat;
}

.provider-content {
  padding-top: 5.35rem;
}

.heading-on-blue h2,
.heading-on-blue p,
.provider-intro {
  color: #fff;
}

.provider-intro {
  margin-top: 3.1rem;
  line-height: 2.08;
}

.provider-card {
  display: grid;
  height: 33.75rem;
  margin-top: 5.45rem;
  grid-template-columns: 33.75rem 1fr;
  overflow: hidden;
  border-radius: 0.2rem;
  box-shadow: 0 1.5rem 4rem rgba(0, 36, 128, 0.18);
}

.provider-visual {
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at center, #0d75ec, #061d55 70%);
}

.provider-scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.58;
  transform: scale(1.03);
}

.provider-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 96%;
  max-width: none;
  opacity: 0.82;
  transform: translate(-50%, -50%);
  animation: orbitPulse 5s ease-in-out infinite;
}

@keyframes orbitPulse {
  0%,
  100% {
    opacity: 0.72;
    transform: translate(-50%, -50%) scale(0.96);
  }
  50% {
    opacity: 0.94;
    transform: translate(-50%, -50%) scale(1.02);
  }
}

.provider-copy {
  position: relative;
  display: flex;
  padding: 3.15rem 3.4rem 5.25rem;
  flex-direction: column;
  justify-content: space-between;
  background: linear-gradient(135deg, rgba(33, 120, 255, 0.97), rgba(11, 183, 243, 0.96));
  color: #fff;
}

.provider-copy-block h3 {
  margin: 0;
  font-size: 1.38rem;
  letter-spacing: 0.04em;
}

.provider-copy-block p {
  margin: 1rem 0 0;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  line-height: 2.1;
}

.white-rule {
  display: block;
  width: 2.15rem;
  height: 0.2rem;
  margin-top: 0.78rem;
  background: #fff;
}

.provider-benefits {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  height: 4.55rem;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
}

.provider-benefits span {
  display: grid;
  height: 2.65rem;
  place-items: center;
}

.provider-benefits span + span {
  border-left: 0.06rem solid rgba(255, 255, 255, 0.4);
}

.provider-benefits img {
  width: 2.5rem;
  height: 2.5rem;
  filter: brightness(0) invert(1);
  object-fit: contain;
}

/* Skilled talent cards */
.talent-section {
  min-height: 96.06rem;
  padding-top: 5.45rem;
}

.talent-intro {
  margin-top: 3rem;
}

.talent-grid {
  display: grid;
  margin-top: 3.95rem;
  grid-template-columns: repeat(3, 1fr);
  gap: 3.5rem 3.35rem;
}

.talent-card {
  display: flex;
  height: 30.62rem;
  padding: 0.9rem 1.85rem 1.55rem;
  align-items: center;
  flex-direction: column;
  overflow: hidden;
  border: 0.06rem solid rgba(104, 141, 201, 0.08);
  border-radius: 0.7rem;
  background: #fff;
  box-shadow: 0 0.9rem 2.3rem rgba(53, 90, 151, 0.035);
  color: #252b35;
  text-align: center;
  transition: transform 220ms ease, box-shadow 220ms ease, background 220ms ease, color 220ms ease;
}

.talent-card:hover,
.talent-card:focus-visible {
  border-color: transparent;
  background: var(--brand);
  color: #fff;
  transform: translateY(-0.5rem);
  box-shadow: 0 1.4rem 3rem rgba(42, 88, 160, 0.11);
  outline: none;
}

.talent-icon {
  width: 7.8rem;
  height: 7.8rem;
  margin-top: -0.3rem;
  object-fit: contain;
}

.talent-card h3 {
  margin: -0.15rem 0 1rem;
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.35;
}

.talent-figure {
  width: 100%;
  aspect-ratio: 15 / 7;
  border-radius: 0.6rem;
  object-fit: cover;
}

.card-rule {
  display: block;
  width: 2.5rem;
  height: 0.26rem;
  margin: 1.4rem auto 1.12rem;
  background: var(--brand);
}

.talent-card:hover .card-rule,
.talent-card:focus-visible .card-rule {
  background: var(--lime);
}

.talent-card p {
  margin: 0;
  font-size: 0.9rem;
  letter-spacing: 0.025em;
  line-height: 1.9;
}

/* Communication */
.communication-section {
  position: relative;
  min-height: 69.625rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 80% 68%, rgba(114, 198, 255, 0.26), transparent 27%),
    radial-gradient(circle at 16% 76%, rgba(106, 224, 255, 0.17), transparent 28%),
    linear-gradient(180deg, #fbfeff 0%, #f4fbff 52%, #e5f7ff 100%);
}

.communication-grid-bg {
  position: absolute;
  bottom: -22rem;
  left: -5rem;
  width: 54rem;
  height: 54rem;
  background: url("images/bg@2x.png") center / contain no-repeat;
  opacity: 0.08;
}

.communication-shell {
  position: relative;
  z-index: 1;
  width: min(var(--wide-width), 86%);
  margin-inline: auto;
  padding-top: 4.25rem;
}

.communication-intro {
  width: min(75rem, 86%);
  margin: 2.45rem auto 0;
}

.communication-tabs {
  display: grid;
  width: min(75rem, 86%);
  height: 4rem;
  margin: 2.55rem auto 0;
  padding: 0.3rem;
  grid-template-columns: repeat(6, 1fr);
  border: 0.06rem solid rgba(25, 101, 226, 0.08);
  border-radius: 0.65rem;
  background: rgba(212, 235, 255, 0.75);
}

.communication-tabs button {
  padding: 0 0.4rem;
  border-radius: 0.42rem;
  background: transparent;
  color: #344152;
  font-size: 0.87rem;
  cursor: pointer;
  transition: color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.communication-tabs button:hover,
.communication-tabs button.active {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 0.45rem 1rem rgba(18, 97, 255, 0.22);
}

.communication-panel {
  display: grid;
  height: 36.25rem;
  margin-top: 3.05rem;
  grid-template-columns: 44% 56%;
  overflow: hidden;
  border: 0.06rem solid rgba(57, 130, 226, 0.08);
  border-radius: 1.1rem;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 1.25rem 4rem rgba(30, 99, 177, 0.08);
}

.communication-copy {
  padding: 4rem 2rem 3rem 3rem;
}

.communication-copy h3 {
  margin: 0;
  font-size: 1.52rem;
  letter-spacing: 0.03em;
}

.communication-features {
  display: grid;
  margin-top: 2.65rem;
  grid-template-columns: repeat(2, 1fr);
  gap: 3rem 2.35rem;
}

.communication-features h4 {
  margin: 0;
  color: var(--brand);
  font-size: 1rem;
  font-weight: 700;
}

.communication-features p {
  margin: 0.85rem 0 0;
  color: #626d7e;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  line-height: 2;
}

.chat-canvas {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(rgba(115, 183, 241, 0.07) 0.06rem, transparent 0.06rem),
    linear-gradient(90deg, rgba(115, 183, 241, 0.07) 0.06rem, transparent 0.06rem),
    radial-gradient(circle at 45% 48%, rgba(170, 227, 255, 0.46), rgba(233, 248, 255, 0.3) 42%, transparent 68%);
  background-size: 3.2rem 3.2rem, 3.2rem 3.2rem, 100% 100%;
}

.chat-canvas::before {
  position: absolute;
  top: 2.5rem;
  right: 4rem;
  width: 24rem;
  height: 24rem;
  border: 0.08rem solid rgba(46, 142, 243, 0.14);
  border-radius: 50%;
  content: "";
  box-shadow: 0 0 0 3rem rgba(83, 181, 249, 0.03), 0 0 0 6rem rgba(83, 181, 249, 0.025);
}

.chat-phone {
  position: absolute;
  z-index: 2;
  top: 4.25rem;
  left: 14%;
  width: 17.2rem;
  height: 27.4rem;
  padding: 1rem;
  overflow: hidden;
  border: 0.55rem solid rgba(255, 255, 255, 0.96);
  border-radius: 2.25rem;
  background: #f7fbff;
  box-shadow: 0 1.4rem 3.2rem rgba(24, 100, 179, 0.18), inset 0 0 0 0.06rem rgba(30, 110, 205, 0.08);
}

.chat-phone::before {
  position: absolute;
  top: 0.35rem;
  left: 50%;
  width: 4.4rem;
  height: 0.35rem;
  border-radius: 2rem;
  background: #d7e3ed;
  content: "";
  transform: translateX(-50%);
}

.chat-phone-head {
  display: flex;
  padding: 0.6rem 0.25rem 1rem;
  align-items: center;
  gap: 0.7rem;
  border-bottom: 0.06rem solid #e4edf5;
}

.mini-avatar {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(145deg, #1768f2, #7ecfff);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 0.35rem 0.8rem rgba(23, 104, 242, 0.2);
}

.chat-phone-head div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.chat-phone-head strong {
  font-size: 0.92rem;
}

.chat-phone-head small {
  color: #50af7c;
  font-size: 0.68rem;
}

.chat-messages {
  display: flex;
  padding-top: 1.2rem;
  flex-direction: column;
  gap: 0.9rem;
}

.message {
  width: 82%;
  margin: 0;
  padding: 0.74rem 0.82rem;
  border-radius: 0.78rem;
  font-size: 0.72rem;
  line-height: 1.55;
}

.message.incoming {
  align-self: flex-start;
  border-bottom-left-radius: 0.18rem;
  background: #e7f1fb;
  color: #435263;
}

.message.outgoing {
  align-self: flex-end;
  border-bottom-right-radius: 0.18rem;
  background: var(--brand);
  color: #fff;
}

.chat-input {
  position: absolute;
  right: 1rem;
  bottom: 1.15rem;
  left: 1rem;
  display: flex;
  height: 2.65rem;
  padding: 0.3rem 0.3rem 0.3rem 0.8rem;
  align-items: center;
  justify-content: space-between;
  border: 0.06rem solid #e1ebf4;
  border-radius: 2rem;
  background: #fff;
  color: #9ba8b5;
  font-size: 0.68rem;
}

.chat-input b {
  display: grid;
  height: 100%;
  padding-inline: 0.9rem;
  place-items: center;
  border-radius: 2rem;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
}

.service-bot-card {
  position: absolute;
  z-index: 2;
  top: 7.4rem;
  right: 4.1rem;
  width: 14.6rem;
  padding: 1.2rem;
  border: 0.06rem solid rgba(45, 122, 224, 0.12);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 1rem 2.5rem rgba(31, 105, 180, 0.13);
  backdrop-filter: blur(0.6rem);
}

.bot-card-title {
  display: flex;
  margin-bottom: 1rem;
  align-items: center;
  gap: 0.55rem;
  color: #1a63d9;
  font-size: 0.85rem;
}

.bot-card-title > span {
  display: grid;
  width: 1.8rem;
  height: 1.8rem;
  place-items: center;
  border-radius: 50%;
  background: #e7f2ff;
}

.service-bot-card button {
  display: flex;
  width: 100%;
  margin-top: 0.7rem;
  padding: 0.72rem 0.7rem;
  align-items: center;
  justify-content: space-between;
  border-radius: 0.55rem;
  background: #f2f7fc;
  color: #607083;
  font-size: 0.72rem;
}

.service-bot-card button span {
  color: var(--brand);
  font-size: 1.1rem;
}

.floating-pill {
  position: absolute;
  z-index: 4;
  display: flex;
  min-height: 2.3rem;
  padding: 0.5rem 0.9rem;
  align-items: center;
  gap: 0.48rem;
  border: 0.06rem solid rgba(52, 126, 219, 0.1);
  border-radius: 2rem;
  background: rgba(255, 255, 255, 0.94);
  color: #416078;
  font-size: 0.7rem;
  box-shadow: 0 0.6rem 1.5rem rgba(36, 110, 181, 0.12);
}

.floating-pill i {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #32c985;
  box-shadow: 0 0 0 0.25rem rgba(50, 201, 133, 0.13);
}

.pill-top {
  top: 2rem;
  left: 34%;
}

.pill-left {
  top: 10rem;
  left: 1.8rem;
}

.pill-bottom {
  bottom: 2.4rem;
  left: 4rem;
}

.pill-right {
  right: 2.3rem;
  bottom: 7rem;
}

/* Ecosystem */
.ecosystem-section {
  min-height: 60.06rem;
}

.ecosystem-shell {
  width: min(87.5rem, 86%);
  margin-inline: auto;
  padding-top: 6.25rem;
}

.ecosystem-intro {
  width: min(75rem, 86%);
  margin: 3rem auto 0;
}

.ecosystem-grid {
  display: grid;
  margin-top: 3.9rem;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.3rem;
}

.ecosystem-card {
  position: relative;
  aspect-ratio: 5 / 3;
  overflow: hidden;
  border-radius: 1.25rem;
  box-shadow: 0 1rem 2.6rem rgba(54, 85, 137, 0.05);
}

.ecosystem-card > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms ease;
}

.ecosystem-card:hover > img {
  transform: scale(1.025);
}

.ecosystem-card-copy {
  position: relative;
  z-index: 1;
  width: 56%;
  padding: 3.3rem 0 2rem 2.6rem;
}

.ecosystem-card h3 {
  margin: 0;
  font-size: 1.65rem;
  letter-spacing: 0.03em;
}

.ecosystem-card p {
  margin: 1.35rem 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.025em;
  line-height: 2;
}

.ecosystem-card ul {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
}

.ecosystem-card li {
  position: relative;
  margin-top: 0.65rem;
  padding-left: 1.05rem;
  font-size: 0.72rem;
}

.ecosystem-card li::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 0.48rem;
  height: 0.12rem;
  background: #43d9fa;
  content: "";
  transform: translateY(-50%);
}

.ecosystem-dark {
  color: #fff;
}

.ecosystem-light-card {
  color: #28313d;
}

.ecosystem-cta {
  display: grid;
  min-height: 21.56rem;
  place-items: center;
  background: #eafaff url("images/image@2x (6).png") center / cover no-repeat;
  text-align: center;
}

.cta-content {
  transform: translateY(-0.2rem);
}

.cta-content h2 {
  margin: 0;
  color: #222b38;
  font-size: 1.72rem;
  letter-spacing: 0.04em;
}

.cta-content p {
  margin: 0.55rem 0 0;
  color: #4f6072;
  font-size: 0.76rem;
}

.cta-content a {
  display: inline-flex;
  min-width: 7.7rem;
  min-height: 2.8rem;
  margin-top: 2rem;
  padding: 0.55rem 1.05rem;
  align-items: center;
  justify-content: center;
  border-radius: 0.15rem;
  background: var(--brand);
  color: #fff;
  font-size: 0.75rem;
  box-shadow: 0 0.6rem 1.2rem rgba(18, 97, 255, 0.18);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.cta-content a:hover {
  transform: translateY(-0.18rem);
  box-shadow: 0 0.85rem 1.6rem rgba(18, 97, 255, 0.27);
}

/* Partners */
.partners-section {
  min-height: 36.125rem;
  overflow: hidden;
  background: #edf3ff url("images/bg_zhanluohuoban@2x.png") center / cover no-repeat;
}

.partners-shell {
  width: min(81.25rem, 82%);
  margin-inline: auto;
  padding-top: 5.35rem;
}

.partners-heading h2 {
  font-size: 2.35rem;
}

.partners-intro {
  margin: 0.75rem 0 0;
  color: #555f6d;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-align: center;
}

.lime-rule {
  display: block;
  width: 1.4rem;
  height: 0.22rem;
  margin: 1.25rem auto 2.3rem;
  background: #a8ed16;
}

.partner-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.65rem 2.35rem;
}

.partner-grid > div {
  display: grid;
  aspect-ratio: 23 / 12;
  place-items: center;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 0.4rem 1.4rem rgba(71, 95, 142, 0.025);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.partner-grid > div:hover {
  transform: translateY(-0.22rem);
  box-shadow: 0 0.8rem 1.8rem rgba(71, 95, 142, 0.09);
}

.partner-grid img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.hengfeng-logo {
  position: relative;
  color: #276ab9;
  font-family: Arial, sans-serif;
}

.hengfeng-logo span {
  position: absolute;
  top: 50%;
  left: 20%;
  width: 2.3rem;
  height: 2.3rem;
  border: 0.3rem solid #2d73bf;
  border-radius: 50%;
  transform: translateY(-50%);
}

.hengfeng-logo span::after {
  position: absolute;
  right: 0.3rem;
  bottom: 0.15rem;
  left: 0.3rem;
  height: 0.7rem;
  border-radius: 0 0 50% 50%;
  background: #efaf16;
  content: "";
}

.hengfeng-logo strong,
.hengfeng-logo small {
  position: absolute;
  left: 49%;
  margin: 0;
  white-space: nowrap;
}

.hengfeng-logo strong {
  top: 35%;
  font-size: 1.8rem;
  line-height: 1;
}

.hengfeng-logo small {
  top: 61%;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

/* Footer */
.site-footer {
  min-height: 30.94rem;
  background: var(--brand);
  color: #fff;
  text-align: center;
}

.footer-inner {
  width: 96%;
  margin-inline: auto;
  padding-top: 6.85rem;
}

.hotline-label {
  margin: 0;
  font-size: 1.45rem;
  letter-spacing: 0.04em;
}

.hotlines {
  display: flex;
  margin-top: 2.05rem;
  justify-content: center;
  gap: 4.2rem;
}

.hotlines a {
  font-size: 2.7rem;
  font-weight: 800;
  letter-spacing: 0.015em;
  transition: opacity 180ms ease;
}

.hotlines a:hover {
  opacity: 0.78;
}

.footer-rule {
  display: block;
  width: 100%;
  height: 0.06rem;
  margin: 4.75rem auto 2.1rem;
  background: rgba(255, 255, 255, 0.68);
}

.footer-meta p {
  margin: 0.6rem 0;
  font-size: 0.76rem;
  letter-spacing: 0.02em;
}

.filing-links,
.filing-links a {
  display: flex;
  align-items: center;
  justify-content: center;
}

.filing-links {
  flex-wrap: wrap;
  gap: 0.45rem 1.2rem;
}

.filing-links a {
  gap: 0.35rem;
  transition: opacity 180ms ease;
}

.filing-links a:hover {
  opacity: 0.76;
}

.filing-links img {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  object-fit: contain;
}

.back-to-top {
  position: fixed;
  z-index: 90;
  right: 1.5rem;
  bottom: 1.5rem;
  display: grid;
  width: 3rem;
  height: 3rem;
  padding: 0;
  place-items: center;
  border: 0.06rem solid rgba(255, 255, 255, 0.45);
  border-radius: 50%;
  background: rgba(18, 97, 255, 0.88);
  color: #fff;
  font-size: 1.2rem;
  box-shadow: 0 0.65rem 1.5rem rgba(18, 78, 190, 0.2);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.8rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

html.motion-ready .reveal {
  opacity: 0;
  transform: translateY(1.6rem);
  transition: opacity 650ms ease, transform 650ms ease;
}

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

/* Tablet */
@media (max-width: 1024px) {
  :root {
    font-size: 16px;
  }

  section,
  footer {
    scroll-margin-top: 4.4rem;
  }

  .site-header {
    height: 4.4rem;
  }

  .header-inner {
    width: calc(100% - 2rem);
  }

  .brand {
    width: 2.8rem;
    height: 2.8rem;
  }

  .menu-toggle {
    position: relative;
    z-index: 2;
    display: flex;
    width: 2.8rem;
    height: 2.8rem;
    margin-left: auto;
    padding: 0.6rem;
    align-items: stretch;
    flex-direction: column;
    justify-content: space-around;
    border-radius: 0.45rem;
    background: rgba(255, 255, 255, 0.65);
    cursor: pointer;
  }

  .menu-toggle span {
    width: 100%;
    height: 0.12rem;
    border-radius: 1rem;
    background: #152237;
    transition: transform 180ms ease, opacity 180ms ease;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(0.53rem) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-0.53rem) rotate(-45deg);
  }

  .nav-links {
    position: fixed;
    top: 4.4rem;
    right: 0;
    left: 0;
    display: flex;
    margin: 0;
    padding: 1rem;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    background: rgba(246, 250, 255, 0.97);
    box-shadow: 0 1rem 2rem rgba(30, 72, 128, 0.1);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-0.8rem);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .nav-links.open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a {
    height: 3.15rem;
    padding-inline: 1rem;
  }

  .nav-links a::after {
    right: auto;
    bottom: 0.55rem;
    left: 1rem;
    width: 1.6rem;
  }

  .hero-image {
    width: auto;
    max-width: none;
    height: 35rem;
    object-fit: cover;
    object-position: 48% center;
  }

  .quick-nav {
    height: auto;
    min-height: 7.6rem;
    overflow-x: auto;
    background: var(--brand);
  }

  .quick-nav-inner {
    width: max-content;
    min-width: 100%;
    padding: 1.2rem 1rem;
    grid-template-columns: repeat(7, 8.6rem);
  }

  .quick-nav a:nth-child(n + 4) {
    color: #fff;
  }

  .content-shell,
  .communication-shell,
  .ecosystem-shell,
  .partners-shell {
    width: min(44rem, calc(100% - 2.5rem));
  }

  .section-heading h2 {
    font-size: clamp(1.7rem, 4vw, 2.2rem);
    letter-spacing: 0.08em;
  }

  .section-heading p {
    font-size: 0.78rem;
    letter-spacing: 0.13em;
  }

  .section-intro {
    font-size: 0.9rem;
    line-height: 2;
  }

  .supervision-section,
  .provider-section,
  .talent-section,
  .communication-section,
  .ecosystem-section,
  .partners-section,
  .site-footer {
    min-height: 0;
  }

  .supervision-section .section-content {
    padding-block: 7rem;
  }

  .video-frame {
    width: 100%;
  }

  .provider-content {
    padding-block: 5.5rem;
  }

  .provider-card {
    height: auto;
    grid-template-columns: 1fr;
  }

  .provider-visual {
    aspect-ratio: 16 / 9;
  }

  .provider-copy {
    min-height: 28rem;
  }

  .talent-section {
    padding-block: 5.5rem;
  }

  .talent-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .talent-card {
    height: 30rem;
  }

  .communication-shell {
    padding-block: 5.5rem;
  }

  .communication-intro,
  .communication-tabs,
  .ecosystem-intro {
    width: 100%;
  }

  .communication-tabs {
    height: auto;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.35rem;
  }

  .communication-tabs button {
    min-height: 2.9rem;
  }

  .communication-panel {
    height: auto;
    grid-template-columns: 1fr;
  }

  .communication-copy {
    padding: 3rem;
  }

  .chat-canvas {
    min-height: 35rem;
  }

  .ecosystem-shell {
    padding-block: 5.5rem;
  }

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

  .ecosystem-card {
    aspect-ratio: 5 / 3;
  }

  .partners-shell {
    padding-block: 4.5rem;
  }

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

  .footer-inner {
    padding: 5rem 1rem 3rem;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .hero-image {
    height: 31rem;
    object-position: 28% center;
  }

  .quick-nav-inner {
    grid-template-columns: repeat(7, 7.4rem);
  }

  .section-heading h2 {
    font-size: 1.55rem;
    line-height: 1.5;
  }

  .section-heading p {
    font-size: 0.66rem;
    line-height: 1.8;
  }

  .section-intro {
    text-align: justify;
    text-align-last: left;
  }

  .supervision-section .section-content,
  .provider-content,
  .talent-section,
  .communication-shell,
  .ecosystem-shell {
    padding-block: 4.6rem;
  }

  .supervision-section .section-intro,
  .provider-intro,
  .talent-intro,
  .communication-intro,
  .ecosystem-intro {
    margin-top: 2rem;
  }

  .video-frame,
  .provider-card,
  .talent-grid,
  .communication-tabs,
  .communication-panel,
  .ecosystem-grid {
    margin-top: 2.6rem;
  }

  .provider-copy {
    min-height: 31rem;
    padding: 2.2rem 1.5rem 5rem;
  }

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

  .talent-card {
    height: auto;
    min-height: 30rem;
  }

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

  .communication-copy {
    padding: 2.3rem 1.3rem;
  }

  .communication-features {
    grid-template-columns: 1fr;
    gap: 1.8rem;
  }

  .chat-canvas {
    min-height: 38rem;
  }

  .chat-phone {
    left: 1.2rem;
    width: 15.5rem;
  }

  .service-bot-card {
    top: 10rem;
    right: 1rem;
    width: 12.5rem;
  }

  .pill-top {
    left: 2rem;
  }

  .pill-left,
  .pill-bottom {
    display: none;
  }

  .pill-right {
    right: 1rem;
    bottom: 3rem;
  }

  .ecosystem-card {
    min-height: 28rem;
    aspect-ratio: auto;
  }

  .ecosystem-card > img {
    object-position: 62% center;
  }

  .ecosystem-card-copy {
    width: 70%;
    padding: 2.3rem 0 1rem 1.4rem;
  }

  .ecosystem-card p,
  .ecosystem-card li {
    font-size: 0.75rem;
  }

  .ecosystem-cta {
    min-height: 19rem;
    padding: 2rem 1.25rem;
    background-position: 58% center;
  }

  .cta-content h2 {
    font-size: 1.35rem;
    line-height: 1.6;
  }

  .partners-shell {
    padding-block: 3.8rem;
  }

  .partners-intro {
    font-size: 0.78rem;
    line-height: 1.9;
  }

  .partner-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
  }

  .hotlines {
    align-items: center;
    flex-direction: column;
    gap: 0.7rem;
  }

  .hotlines a {
    font-size: 1.8rem;
  }

  .footer-rule {
    margin-top: 3rem;
  }

  .footer-meta p {
    line-height: 1.7;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html.motion-ready .reveal {
    opacity: 1;
    transform: none;
  }
}