:root {
  --ink: #101923;
  --soft-ink: #40525f;
  --muted: #788a96;
  --brand: #32bdf0;
  --brand-deep: #098bd0;
  --brand-soft: #eaf9ff;
  --paper: #fbfdff;
  --white: #ffffff;
  --warm: #fff5e9;
  --coral: #ffb79d;
  --lime: #d9f27a;
  --line: rgba(13, 84, 124, 0.16);
  --shadow: 0 24px 70px rgba(23, 154, 210, 0.14);
  --header: 92px;
  --page: min(1440px, calc(100vw - 64px));
  --content: min(1180px, calc(100vw - 64px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 4% 0%, rgba(50, 189, 240, 0.18), transparent 24%),
    linear-gradient(180deg, #ffffff 0%, #f7fcff 52%, #ffffff 100%);
  letter-spacing: 0;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

button {
  border: 0;
  font: inherit;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(50, 189, 240, 0.42);
  outline-offset: 4px;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: 220px 1fr auto;
  align-items: center;
  gap: 22px;
  min-height: var(--header);
  padding: 18px max(42px, calc((100vw - 1440px) / 2 + 42px));
  background: rgba(255, 255, 255, 0.76);
  border-bottom: 1px solid rgba(50, 189, 240, 0);
  backdrop-filter: blur(18px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.9);
  border-bottom-color: rgba(50, 189, 240, 0.18);
  box-shadow: 0 12px 34px rgba(23, 154, 210, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 162px;
  text-decoration: none;
}

.brand img {
  width: 162px;
  height: auto;
}

.site-nav {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: clamp(26px, 4vw, 58px);
  font-size: 15px;
  font-weight: 760;
}

.site-nav a {
  position: relative;
  padding: 10px 0 14px;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-deep);
  opacity: 0;
  transform: translateX(-50%) scale(0.65);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

.site-nav a.is-active {
  color: var(--brand-deep);
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.header-button,
.button,
.about-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}

.header-button {
  min-height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(9, 139, 208, 0.22);
  background: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 850;
  white-space: nowrap;
}

.header-button.primary {
  color: #fff;
  border-color: var(--brand-deep);
  background: var(--brand-deep);
  box-shadow: 0 12px 30px rgba(9, 139, 208, 0.2);
}

.menu-button {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid rgba(16, 25, 35, 0.1);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
  cursor: pointer;
}

.menu-button i {
  font-size: 26px;
}

.menu-lines {
  display: grid;
  gap: 4px;
}

.menu-lines span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.menu-button .ph + .menu-lines {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.menu-button .ph {
  visibility: hidden;
}

.hero {
  position: relative;
  min-height: 660px;
  height: clamp(660px, 74svh, 740px);
  padding: var(--header) max(42px, calc((100vw - 1440px) / 2 + 42px)) 0;
  overflow: hidden;
  border-bottom: 1px solid rgba(50, 189, 240, 0.18);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.9) 42%, rgba(255, 255, 255, 0.15) 63%, rgba(255, 255, 255, 0) 100%),
    linear-gradient(rgba(50, 189, 240, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(50, 189, 240, 0.08) 1px, transparent 1px);
  background-size: auto, 38px 38px, 38px 38px;
}

.slide-rail {
  position: absolute;
  left: max(28px, calc((100vw - 1440px) / 2 + 28px));
  top: 142px;
  z-index: 3;
  display: grid;
  justify-items: center;
  gap: 12px;
  width: 34px;
  color: var(--muted);
  font-size: 12px;
}

.slide-rail strong {
  color: #000;
  font-size: 18px;
  line-height: 1;
}

.slide-rail i {
  display: block;
  width: 1px;
  height: 256px;
  background: linear-gradient(var(--brand-deep), rgba(13, 84, 124, 0.12));
  opacity: 0.48;
}

.slide-rail small {
  writing-mode: vertical-rl;
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.08em;
}

.hero-copy {
  position: relative;
  z-index: 2;
  width: min(720px, 52vw);
  min-height: calc(100% - var(--header));
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-left: 62px;
  padding-bottom: clamp(34px, 5vh, 72px);
}

.hero-logo {
  width: clamp(340px, 38vw, 580px);
  height: auto;
  margin: 0 0 clamp(18px, 4vh, 30px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--brand-deep);
  font-size: 12px;
  line-height: 1.4;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-title {
  max-width: 820px;
  margin: 0;
  font-size: clamp(50px, 4.35vw, 70px);
  line-height: 1.03;
  font-weight: 950;
}

.hero-lead {
  max-width: 560px;
  margin: 22px 0 0;
  color: var(--soft-ink);
  font-size: clamp(18px, 1.45vw, 24px);
  line-height: 1.68;
  overflow-wrap: anywhere;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 30px;
}

.button {
  min-height: 54px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 900;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

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

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, #1599e9, var(--brand));
  box-shadow: 0 18px 38px rgba(9, 139, 208, 0.28);
}

.button-light {
  border: 1px solid rgba(13, 84, 124, 0.14);
  background: rgba(255, 255, 255, 0.78);
}

.team-line {
  max-width: 440px;
  margin: 34px 0 0;
  color: var(--soft-ink);
  font-size: 14px;
  line-height: 1.6;
}

.hero-media {
  position: absolute;
  inset: var(--header) 0 0 auto;
  width: min(62vw, 930px);
  z-index: 1;
  overflow: hidden;
  will-change: transform;
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  z-index: 2;
  width: 36%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0));
  pointer-events: none;
}

.hero-media picture,
.hero-media img {
  width: 100%;
  height: 100%;
}

.hero-media picture {
  display: block;
}

.hero-media img {
  object-fit: cover;
  object-position: center right;
  filter: saturate(1.02) brightness(1.02);
}

.baiye-callout {
  position: absolute;
  right: clamp(300px, 30vw, 470px);
  top: 32%;
  z-index: 3;
  color: var(--brand-deep);
  transform: rotate(-4deg);
}

.baiye-callout strong {
  display: block;
  margin-bottom: 8px;
  font-size: 30px;
  font-weight: 950;
}

.baiye-callout span {
  display: block;
  color: #183243;
  font-size: 15px;
  line-height: 1.48;
  font-weight: 750;
}

.hr-tag {
  position: absolute;
  right: 78px;
  bottom: 10%;
  z-index: 3;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 15px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: #086f9d;
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 16px 38px rgba(23, 154, 210, 0.16);
  backdrop-filter: blur(16px);
}

.recommend {
  width: var(--page);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 32px;
  align-items: end;
  padding: 36px 0 26px;
}

.recommend-intro h2,
.business h2,
.about h2 {
  margin: 0;
  font-size: clamp(38px, 4.8vw, 72px);
  line-height: 1.04;
  font-weight: 950;
}

.recommend-intro p:not(.section-kicker) {
  margin: 12px 0 0;
  color: var(--soft-ink);
  font-size: 15px;
  line-height: 1.65;
}

.recommend-controls {
  display: flex;
  gap: 12px;
  margin-top: 70px;
}

.recommend-controls button,
.reco-card button {
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  cursor: pointer;
}

.recommend-controls button {
  width: 46px;
  height: 46px;
  border: 1px solid rgba(13, 84, 124, 0.16);
  background: #fff;
  color: var(--brand-deep);
  font-size: 22px;
}

.recommend-controls button:last-child {
  color: #fff;
  border-color: var(--brand-deep);
  background: var(--brand-deep);
}

.recommend-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(290px, 1fr);
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  overflow-x: auto;
  padding: 4px 0 8px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.recommend-track::-webkit-scrollbar {
  display: none;
}

.reco-card {
  position: relative;
  min-height: 214px;
  overflow: hidden;
  border: 1px solid rgba(13, 84, 124, 0.15);
  border-radius: 8px;
  background: var(--brand-soft);
  scroll-snap-align: start;
  box-shadow: 0 14px 32px rgba(23, 154, 210, 0.08);
  isolation: isolate;
}

.reco-card img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.reco-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.75) 44%, rgba(255, 255, 255, 0.08) 100%);
}

.reco-card:hover img {
  transform: scale(1.045);
}

.reco-card div {
  display: grid;
  min-height: 214px;
  align-content: start;
  padding: 28px 26px;
}

.reco-card p {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 26px;
}

.reco-card strong {
  color: var(--brand-deep);
  font-size: 26px;
  font-weight: 950;
}

.reco-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.reco-card h3 {
  max-width: 210px;
  margin: 0;
  font-size: clamp(22px, 2.1vw, 30px);
  line-height: 1.1;
  font-weight: 920;
}

.reco-card small {
  max-width: 210px;
  margin-top: 13px;
  color: var(--soft-ink);
  font-size: 14px;
  line-height: 1.55;
}

.reco-card time {
  margin-top: 18px;
  color: var(--soft-ink);
  font-size: 13px;
}

.reco-card button {
  position: absolute;
  right: 22px;
  bottom: 20px;
  width: 44px;
  height: 44px;
  color: #fff;
  background: var(--brand-deep);
  box-shadow: 0 12px 28px rgba(9, 139, 208, 0.28);
}

.business,
.about,
.tone-strip {
  width: var(--content);
  margin: 0 auto;
}

.business {
  padding: clamp(88px, 12vw, 152px) 0 72px;
}

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

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

.business-grid article {
  min-height: 306px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(24px, 3vw, 34px);
  background: rgba(255, 255, 255, 0.78);
}

.business-grid span {
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 950;
}

.business-grid h3 {
  max-width: 240px;
  margin: auto 0 0;
  font-size: clamp(24px, 2.4vw, 34px);
  line-height: 1.14;
  font-weight: 950;
}

.business-grid p {
  margin: 0;
  color: var(--soft-ink);
  font-size: 15px;
  line-height: 1.75;
}

.tone-strip {
  display: grid;
  grid-template-columns: minmax(260px, 0.76fr) minmax(300px, 1fr);
  gap: 34px;
  align-items: center;
  margin-top: 20px;
  padding: clamp(32px, 5vw, 56px);
  border: 1px solid rgba(50, 189, 240, 0.24);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(50, 189, 240, 0.16), rgba(255, 245, 233, 0.78)),
    #fff;
}

.tone-strip p {
  margin: 0;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.06;
  font-weight: 950;
}

.tone-strip span {
  color: var(--soft-ink);
  font-size: clamp(16px, 1.6vw, 21px);
  line-height: 1.72;
}

.about {
  display: grid;
  grid-template-columns: minmax(300px, 0.88fr) minmax(340px, 1.12fr);
  gap: clamp(42px, 8vw, 112px);
  align-items: end;
  padding: clamp(88px, 12vw, 150px) 0;
}

.about-copy p {
  margin: 0;
  color: var(--soft-ink);
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.82;
}

.about-link {
  justify-content: space-between;
  width: min(420px, 100%);
  min-height: 60px;
  margin-top: 30px;
  padding: 0 0 13px;
  border-bottom: 2px solid var(--ink);
  font-size: clamp(22px, 2.4vw, 34px);
  font-weight: 950;
}

.site-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  min-height: 72px;
  padding: 0 max(42px, calc((100vw - 1440px) / 2 + 42px));
  border-top: 1px solid rgba(50, 189, 240, 0.18);
  background: rgba(255, 255, 255, 0.78);
}

.ticker {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 24px;
  color: var(--soft-ink);
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
}

.ticker strong {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--brand-deep);
}

.ticker span {
  position: relative;
}

.ticker span::before {
  content: "";
  position: absolute;
  left: -13px;
  top: 50%;
  width: 1px;
  height: 18px;
  background: rgba(13, 84, 124, 0.18);
  transform: translateY(-50%);
}

.socials {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
  font-weight: 850;
}

.socials a {
  text-decoration: none;
}

[data-reveal],
.hero-logo,
.hero-title,
.hero-lead,
.hero-actions,
.team-line,
.hero-media,
.slide-rail {
  will-change: transform, opacity;
}

@media (max-width: 1180px) {
  :root {
    --page: min(100vw - 40px, 1440px);
    --content: min(100vw - 40px, 1180px);
  }

  .site-header {
    grid-template-columns: auto 1fr auto;
    padding-inline: 28px;
  }

  .site-nav {
    gap: 28px;
  }

  .header-button {
    display: none;
  }

  .hero {
    padding-inline: 28px;
  }

  .slide-rail {
    display: none;
  }

  .hero-copy {
    width: min(570px, 50vw);
    padding-left: 0;
  }

  .hero-media {
    width: 58vw;
  }

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

@media (max-width: 860px) {
  :root {
    --header: 76px;
    --page: min(100vw - 28px, 1440px);
    --content: min(100vw - 28px, 1180px);
  }

  .site-header {
    min-height: var(--header);
    grid-template-columns: auto auto;
    justify-content: space-between;
    padding: 14px 18px;
  }

  .brand,
  .brand img {
    width: 136px;
  }

  .site-nav {
    position: fixed;
    top: var(--header);
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 18px;
    border: 1px solid rgba(50, 189, 240, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 18px 42px rgba(23, 154, 210, 0.12);
  }

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

  .site-nav a {
    padding: 16px 0;
    border-bottom: 1px solid rgba(13, 84, 124, 0.1);
    font-size: 18px;
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .site-nav a::after {
    left: auto;
    right: 0;
    bottom: 21px;
  }

  .hero {
    height: auto;
    min-height: auto;
    display: grid;
    padding: calc(var(--header) + 24px) 14px 0;
    background:
      linear-gradient(rgba(50, 189, 240, 0.07) 1px, transparent 1px),
      linear-gradient(90deg, rgba(50, 189, 240, 0.07) 1px, transparent 1px),
      #fff;
    background-size: 32px 32px, 32px 32px, auto;
  }

  .hero-copy {
    width: min(100%, calc(100vw - 40px));
    max-width: 360px;
    min-height: auto;
    padding: 0 6px 24px;
    overflow: visible;
  }

  .hero-logo {
    width: min(78vw, 410px);
  }

  .hero-title {
    max-width: 8.4em;
    overflow-wrap: anywhere;
    word-break: break-word;
    font-size: clamp(40px, 10.4vw, 58px);
  }

  .hero-lead {
    max-width: 100%;
    font-size: 17px;
    overflow-wrap: anywhere;
    word-break: break-word;
    line-break: anywhere;
  }

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

  .button {
    min-height: 50px;
  }

  .team-line {
    margin-top: 22px;
  }

  .hero-media {
    position: relative;
    inset: auto;
    width: calc(100vw - 28px);
    height: min(520px, 72vw);
    margin: 0 auto;
    border-radius: 8px 8px 0 0;
  }

  .hero-media::before {
    display: none;
  }

  .baiye-callout {
    right: 7%;
    top: 12%;
  }

  .baiye-callout strong {
    font-size: 24px;
  }

  .hr-tag {
    bottom: 7%;
  }

  .recommend,
  .about,
  .tone-strip {
    grid-template-columns: 1fr;
  }

  .recommend {
    gap: 20px;
    padding-top: 34px;
  }

  .recommend-controls {
    margin-top: 18px;
  }

  .recommend-track {
    grid-template-columns: none;
    grid-auto-columns: minmax(286px, 82vw);
  }

  .business {
    padding-top: 76px;
  }

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

  .business-grid article {
    min-height: 240px;
  }

  .tone-strip {
    padding: 28px;
  }

  .about {
    padding: 78px 0;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding: 24px 18px;
  }

  .ticker {
    overflow-x: auto;
    scrollbar-width: none;
  }

  .ticker::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 520px) {
  .menu-button {
    position: fixed;
    top: 16px;
    right: auto;
    left: min(calc(100vw - 62px), 326px);
    z-index: 50;
    width: 44px;
    height: 44px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-media {
    height: 78vw;
  }

  .baiye-callout span {
    display: none;
  }

  .recommend-intro h2,
  .business h2,
  .about h2 {
    font-size: clamp(34px, 11vw, 48px);
  }

  .reco-card {
    min-height: 244px;
  }

  .reco-card div {
    min-height: 244px;
  }

  .business-grid h3 {
    font-size: 28px;
  }

  .tone-strip p {
    font-size: 34px;
  }

  .about-link {
    font-size: 24px;
  }
}

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