:root {
  --blue: #1aa8ee;
  --blue-strong: #0076d7;
  --blue-soft: #eaf8ff;
  --cyan: #72d8ff;
  --ink: #102133;
  --text: #344b5f;
  --muted: #6d7e8d;
  --line: rgba(16, 33, 51, 0.1);
  --paper: #f7fbfe;
  --white: #ffffff;
  --dark: #071f35;
  --shadow: 0 26px 70px rgba(17, 93, 146, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(90deg, rgba(26, 168, 238, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(26, 168, 238, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, #ffffff 0%, #f7fbfe 48%, #ffffff 100%);
  background-size: 44px 44px, 44px 44px, auto;
  color: var(--ink);
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", Arial, sans-serif;
  line-height: 1.65;
}

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

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

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(16, 33, 51, 0.06);
  display: flex;
  height: 82px;
  justify-content: space-between;
  left: 0;
  padding: 0 clamp(22px, 5vw, 76px);
  position: fixed;
  right: 0;
  top: 0;
  transition: box-shadow 0.25s ease, background 0.25s ease;
  z-index: 30;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 16px 48px rgba(16, 33, 51, 0.08);
}

.scroll-progress {
  background: linear-gradient(90deg, var(--blue-strong), var(--cyan));
  display: none;
  height: 3px;
  left: 0;
  position: fixed;
  top: 0;
  transform: scaleX(0);
  transform-origin: left;
  width: 100%;
  z-index: 40;
}

.brand,
.nav,
.hero-actions,
.site-footer {
  align-items: center;
  display: flex;
}

.brand {
  gap: 12px;
  min-width: 360px;
}

.brand-mark {
  align-items: center;
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(16, 33, 51, 0.08);
  display: inline-flex;
  height: 54px;
  justify-content: center;
  overflow: hidden;
  padding: 4px;
  width: 54px;
}

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

.brand-text strong,
.brand-text small {
  display: block;
}

.brand-text strong {
  font-size: 17px;
  line-height: 1.1;
}

.brand-text small {
  color: var(--muted);
  font-size: 10px;
  margin-top: 3px;
}

.nav {
  color: #24394c;
  font-size: 14px;
  gap: clamp(14px, 2vw, 32px);
}

.nav a {
  position: relative;
}

.nav a::after {
  background: var(--blue);
  bottom: -10px;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
  width: 100%;
}

.nav a:hover::after {
  transform: scaleX(1);
}

.header-cta,
.btn {
  border-radius: 999px;
  font-size: 14px;
  font-weight: 800;
  line-height: 1;
}

.header-cta {
  background: var(--blue-strong);
  color: var(--white);
  padding: 13px 20px;
}

.menu-toggle {
  background: transparent;
  border: 0;
  display: none;
  height: 44px;
  padding: 0;
  width: 44px;
}

.menu-toggle span {
  background: var(--blue-strong);
  display: block;
  height: 2px;
  margin: 7px auto;
  width: 24px;
}

.hero {
  background: #f7fbfe;
  min-height: 100vh;
  overflow: hidden;
  padding: 150px clamp(22px, 5vw, 76px) 150px;
  position: relative;
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(0, 118, 215, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(0, 118, 215, 0.08) 1px, transparent 1px);
  content: "";
  height: 100%;
  inset: 0;
  mask-image: linear-gradient(90deg, #000 0%, rgba(0, 0, 0, 0.56) 42%, transparent 76%);
  position: absolute;
  transform: perspective(900px) rotateX(58deg) translateY(-18%);
  transform-origin: top;
  width: 100%;
  z-index: 1;
}

.hero::after {
  background:
    linear-gradient(135deg, transparent 0 47%, rgba(0, 118, 215, 0.12) 48% 49%, transparent 50% 100%),
    radial-gradient(circle at center, rgba(0, 118, 215, 0.22) 0 1.5px, transparent 2px);
  background-size: 160px 160px, 40px 40px;
  content: "";
  height: 72%;
  left: 0;
  mask-image: linear-gradient(90deg, rgba(0, 0, 0, 0.75), transparent 70%);
  opacity: 0.72;
  position: absolute;
  top: 82px;
  width: 58%;
  z-index: 2;
}

.hero-media,
.hero-media video,
.hero-media img,
.hero-layer {
  inset: 0;
  position: absolute;
}

.hero-media {
  background: url("assets/hero-hospital.png") center / cover;
  transition: transform 0.08s linear;
  will-change: transform;
  z-index: 0;
}

.hero-media video,
.hero-media img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}

.hero-media video {
  opacity: 0.9;
  z-index: 1;
}

.hero-media img {
  z-index: 0;
}

.hero-layer {
  background:
    linear-gradient(115deg, rgba(255, 255, 255, 0.99) 0%, rgba(247, 251, 254, 0.95) 38%, rgba(247, 251, 254, 0.45) 72%, rgba(247, 251, 254, 0.18) 100%),
    linear-gradient(0deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.58) 26%, rgba(255, 255, 255, 0) 54%);
  z-index: 2;
}

.hero-content {
  max-width: 830px;
  position: relative;
  transform: translateY(var(--hero-shift, 0));
  z-index: 4;
}

.kicker,
.section-label span,
.tag {
  color: var(--blue-strong);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(54px, 6.2vw, 88px);
  letter-spacing: 0;
  line-height: 1;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(32px, 4.2vw, 56px);
  letter-spacing: 0;
  line-height: 1.14;
  margin-bottom: 0;
}

h3 {
  font-size: 24px;
  line-height: 1.24;
  margin-bottom: 12px;
}

.hero-copy {
  color: var(--text);
  font-size: clamp(16px, 1.35vw, 20px);
  max-width: 720px;
}

.hero-actions {
  gap: 14px;
  margin-top: 28px;
}

.scroll-story {
  align-items: start;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 8px;
  box-shadow: 0 22px 70px rgba(17, 93, 146, 0.12);
  display: grid;
  gap: 8px;
  margin-top: 28px;
  max-width: 520px;
  padding: 22px 24px;
  transition: opacity 0.35s ease, transform 0.35s ease;
  width: min(520px, 42vw);
}

.scroll-story span {
  color: var(--blue-strong);
  font-size: 12px;
  font-weight: 900;
}

.scroll-story strong {
  font-size: 24px;
  line-height: 1.1;
}

.scroll-story p {
  color: var(--muted);
  margin: 0;
}

.btn {
  border: 1px solid transparent;
  display: inline-flex;
  padding: 17px 26px;
}

.btn-primary {
  background: var(--blue-strong);
  box-shadow: 0 18px 36px rgba(0, 118, 215, 0.22);
  color: var(--white);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(0, 118, 215, 0.22);
  color: var(--blue-strong);
}

.hero-stat {
  background: transparent;
  border: 0;
  border-radius: 0;
  bottom: 40px;
  box-shadow: none;
  display: grid;
  grid-template-columns: 0.8fr 0.8fr 1.28fr;
  gap: 14px;
  max-width: 760px;
  position: absolute;
  right: clamp(22px, 5vw, 76px);
  z-index: 4;
}

.hero-stat div {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.68)),
    linear-gradient(135deg, rgba(0, 118, 215, 0.12), rgba(255, 255, 255, 0));
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  box-shadow: 0 22px 58px rgba(17, 93, 146, 0.12);
  min-width: 0;
  overflow: hidden;
  padding: 22px 24px 20px;
  position: relative;
}

.hero-stat div::before {
  background: linear-gradient(90deg, var(--blue-strong), var(--cyan));
  content: "";
  height: 3px;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
}

.hero-stat small {
  color: var(--blue-strong);
  display: block;
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.hero-stat strong {
  display: block;
  font-size: 31px;
  line-height: 1;
  white-space: nowrap;
}

.hero-stat span {
  color: var(--muted);
  display: block;
  font-size: 13px;
  margin-top: 9px;
}

.section {
  padding: 112px clamp(22px, 5vw, 76px);
}

.section-label {
  align-items: center;
  display: flex;
  gap: 16px;
  margin-bottom: 34px;
}

.section-label::before {
  background: var(--blue);
  content: "";
  height: 2px;
  width: 52px;
}

.section-label strong {
  color: var(--ink);
  font-size: 15px;
}

.section-label.light span,
.section-label.light strong {
  color: #dff6ff;
}

.section-label.light::before {
  background: #dff6ff;
}

.about {
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.84)),
    repeating-linear-gradient(135deg, rgba(26, 168, 238, 0.055) 0 1px, transparent 1px 18px);
}

.about-layout,
.section-title-row,
.service-layout,
.contact-card {
  display: grid;
  gap: 54px;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
}

.about-copy {
  color: var(--text);
  font-size: 17px;
}

.about-cards {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 64px;
}

.about-cards article,
.solution-card,
.case-grid article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.about-cards article {
  min-height: 250px;
  padding: 34px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.about-cards article:hover,
.case-grid article:hover {
  border-color: rgba(26, 168, 238, 0.5);
  transform: translateY(-4px);
}

.about-cards span,
.case-grid span {
  color: var(--blue-strong);
  display: block;
  font-weight: 900;
  margin-bottom: 44px;
}

.about-cards p,
.solution-card p,
.case-grid p,
.section-title-row p,
.platform-copy p,
.process p,
.contact-info p {
  color: var(--muted);
}

.solutions {
  background:
    linear-gradient(180deg, rgba(247, 251, 254, 0.98), #ffffff 70%),
    linear-gradient(90deg, rgba(0, 118, 215, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, rgba(0, 118, 215, 0.045) 1px, transparent 1px),
    var(--paper);
  background-size: auto, 56px 56px, 56px 56px, auto;
}

.section-title-row {
  align-items: end;
}

.section-title-row p {
  font-size: 16px;
  margin-bottom: 8px;
}

.solution-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 54px;
}

.solution-card {
  color: inherit;
  cursor: pointer;
  display: block;
  min-height: 330px;
  padding: 30px;
  position: relative;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.solution-card::after {
  background: linear-gradient(135deg, rgba(26, 168, 238, 0.16), rgba(26, 168, 238, 0));
  border-radius: 0 8px 0 60px;
  content: "";
  height: 86px;
  position: absolute;
  right: 0;
  top: 0;
  width: 86px;
}

.solution-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-5px);
}

.solution-card .tag {
  display: block;
  margin-bottom: 82px;
}

.solution-card em {
  bottom: 28px;
  color: var(--blue-strong);
  font-size: 14px;
  font-style: normal;
  font-weight: 900;
  opacity: 0;
  position: absolute;
  transform: translateY(8px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.solution-card:hover em {
  opacity: 1;
  transform: translateY(0);
}

.solution-card.is-featured {
  background: linear-gradient(145deg, var(--blue-strong), #22b9f5);
  color: var(--white);
}

.solution-card.is-active {
  border-color: rgba(0, 118, 215, 0.36);
  box-shadow: var(--shadow);
  transform: translateY(-10px);
}

.solution-card.is-featured .tag,
.solution-card.is-featured p,
.solution-card.is-featured em {
  color: rgba(255, 255, 255, 0.82);
}

.platform {
  background:
    linear-gradient(115deg, rgba(7, 31, 53, 0.98), rgba(8, 55, 84, 0.96)),
    linear-gradient(90deg, rgba(114, 216, 255, 0.09) 1px, transparent 1px),
    linear-gradient(180deg, rgba(114, 216, 255, 0.09) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  color: var(--white);
  display: grid;
  gap: 70px;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  padding: 120px clamp(22px, 5vw, 76px);
}

.platform-copy p {
  color: rgba(255, 255, 255, 0.68);
  font-size: 17px;
  margin-top: 26px;
}

.platform-stack {
  display: grid;
  gap: 18px;
}

.platform-stack article {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  padding: 28px;
}

.platform-stack span {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
}

.platform-stack p {
  color: rgba(255, 255, 255, 0.68);
  margin-bottom: 0;
}

.case-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 54px;
}

.case-grid article {
  min-height: 280px;
  padding: 32px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.case-grid h3 {
  min-height: 92px;
}

.service {
  background:
    linear-gradient(180deg, rgba(247, 251, 254, 0.96), rgba(255, 255, 255, 0.98)),
    repeating-linear-gradient(90deg, rgba(26, 168, 238, 0.045) 0 1px, transparent 1px 28px);
}

.service-layout {
  align-items: start;
}

.process {
  border-top: 1px solid var(--line);
  list-style: none;
  margin: 0;
  padding: 0;
}

.process li {
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 20px;
  grid-template-columns: 50px 128px 1fr;
  padding: 26px 0;
}

.process span {
  color: var(--blue-strong);
  font-weight: 900;
}

.process strong {
  font-size: 20px;
}

.process p {
  margin: 0;
}

.careers {
  background:
    radial-gradient(circle at 82% 18%, rgba(26, 168, 238, 0.16), transparent 32%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(241, 249, 254, 0.96)),
    repeating-linear-gradient(0deg, rgba(26, 168, 238, 0.04) 0 1px, transparent 1px 28px);
  overflow: hidden;
  position: relative;
}

.careers::after {
  background: linear-gradient(180deg, rgba(26, 168, 238, 0.16), rgba(26, 168, 238, 0));
  content: "";
  height: 100%;
  position: absolute;
  right: 0;
  top: 0;
  width: min(32vw, 420px);
}

.career-layout {
  align-items: start;
  display: grid;
  gap: 48px;
  grid-template-columns: minmax(300px, 0.64fr) minmax(0, 1fr);
  position: relative;
  z-index: 1;
}

.career-intro .kicker {
  color: var(--blue-strong);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  margin-bottom: 18px;
  text-transform: uppercase;
}

.career-intro h2 {
  font-size: clamp(38px, 5vw, 84px);
  line-height: 1;
  margin-bottom: 24px;
}

.career-intro p:not(.kicker) {
  color: var(--text);
  font-size: 18px;
  max-width: 560px;
}

.career-mail {
  align-items: center;
  background: var(--blue);
  border-radius: 999px;
  color: var(--white);
  display: inline-flex;
  font-weight: 900;
  margin-top: 22px;
  padding: 15px 22px;
}

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

.career-grid article {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(171, 211, 233, 0.78);
  border-radius: 8px;
  min-height: 226px;
  padding: 28px;
  position: relative;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.career-grid article::before {
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  content: "";
  height: 3px;
  left: 28px;
  position: absolute;
  right: 28px;
  top: 0;
}

.career-grid article:hover {
  border-color: rgba(26, 168, 238, 0.62);
  box-shadow: 0 22px 56px rgba(15, 75, 118, 0.12);
  transform: translateY(-4px);
}

.career-grid span {
  color: var(--blue-strong);
  display: block;
  font-size: 13px;
  font-weight: 900;
  margin-bottom: 44px;
}

.career-grid h3 {
  font-size: 24px;
  margin-bottom: 16px;
}

.career-grid p {
  color: var(--text);
  margin: 0;
}

.contact {
  background: #0b77b3;
  color: var(--white);
  overflow: hidden;
  padding: 92px clamp(22px, 5vw, 76px);
  position: relative;
}

.contact::before {
  background:
    linear-gradient(135deg, rgba(3, 73, 126, 0.95), rgba(26, 168, 238, 0.78)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.14) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: auto, 46px 46px, 46px 46px;
  content: "";
  inset: 0;
  position: absolute;
  z-index: 1;
}

.contact-media,
.contact-media video {
  inset: 0;
  position: absolute;
}

.contact-media {
  z-index: 0;
}

.contact-media video {
  height: 100%;
  object-fit: cover;
  opacity: 0.62;
  width: 100%;
}

.contact-card {
  align-items: start;
  position: relative;
  z-index: 2;
}

.contact-card h2 {
  max-width: 680px;
}

.contact-info {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  padding: 28px;
}

.contact-info p {
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  color: rgba(255, 255, 255, 0.84);
  display: grid;
  gap: 18px;
  grid-template-columns: 34px 1fr;
  align-items: center;
  margin: 0;
  padding: 14px 0;
}

.contact-info p:first-child {
  padding-top: 0;
}

.contact-info p:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.contact-info span {
  color: var(--white);
  font-weight: 900;
}

.contact-icon {
  align-self: center;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  color: var(--white);
  display: inline-flex;
  height: 28px;
  justify-content: center;
  position: relative;
  width: 28px;
}

.contact-icon::before {
  background: currentColor;
  content: "";
  height: 17px;
  left: 50%;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 17px;
}

.contact-icon::after {
  content: none;
}

.icon-location {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='black' stroke-linecap='round' stroke-linejoin='round' stroke-width='2.4' d='M12 21s7-5.2 7-12a7 7 0 1 0-14 0c0 6.8 7 12 7 12Z'/%3E%3Ccircle cx='12' cy='9' r='2.5' fill='none' stroke='black' stroke-width='2.4'/%3E%3C/svg%3E");
}

.icon-phone {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='black' stroke-linecap='round' stroke-linejoin='round' stroke-width='2.4' d='M22 16.9v3a2 2 0 0 1-2.2 2 19.7 19.7 0 0 1-8.6-3.1 19.3 19.3 0 0 1-6-6A19.7 19.7 0 0 1 2.1 4.2 2 2 0 0 1 4.1 2h3a2 2 0 0 1 2 1.7c.1.9.3 1.8.7 2.6a2 2 0 0 1-.5 2.1L8.1 9.6a16 16 0 0 0 6.3 6.3l1.2-1.2a2 2 0 0 1 2.1-.5c.8.3 1.7.6 2.6.7A2 2 0 0 1 22 16.9Z'/%3E%3C/svg%3E");
}

.icon-mail {
  --icon: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='none' stroke='black' stroke-linecap='round' stroke-linejoin='round' stroke-width='2.4' d='M4 5h16a2 2 0 0 1 2 2v10a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V7a2 2 0 0 1 2-2Z'/%3E%3Cpath fill='none' stroke='black' stroke-linecap='round' stroke-linejoin='round' stroke-width='2.4' d='m22 7-10 7L2 7'/%3E%3C/svg%3E");
}

.social-qr {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 22px;
}

.social-qr article {
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  display: grid;
  gap: 10px;
  justify-items: center;
  padding: 14px;
}

.social-qr strong {
  color: var(--white);
  font-size: 14px;
}

.social-qr img {
  background: var(--white);
  border-radius: 8px;
  display: block;
  height: 126px;
  object-fit: contain;
  padding: 6px;
  width: 126px;
}

.qr-placeholder {
  background:
    radial-gradient(circle at 22% 22%, #061827 0 7px, transparent 8px),
    radial-gradient(circle at 78% 22%, #061827 0 7px, transparent 8px),
    radial-gradient(circle at 22% 78%, #061827 0 7px, transparent 8px),
    repeating-linear-gradient(90deg, transparent 0 8px, rgba(6, 24, 39, 0.9) 8px 12px, transparent 12px 18px),
    repeating-linear-gradient(0deg, transparent 0 7px, rgba(6, 24, 39, 0.82) 7px 10px, transparent 10px 17px),
    #fff;
  border-radius: 8px;
  height: 108px;
  position: relative;
  width: 108px;
}

.qr-placeholder::after {
  align-items: center;
  background: var(--blue-strong);
  border-radius: 999px;
  color: var(--white);
  content: "海天";
  display: flex;
  font-size: 14px;
  font-weight: 900;
  height: 44px;
  justify-content: center;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
}

.qr-douyin {
  background:
    radial-gradient(circle at 22% 22%, #5b36e8 0 7px, transparent 8px),
    radial-gradient(circle at 78% 22%, #5b36e8 0 7px, transparent 8px),
    radial-gradient(circle at 22% 78%, #5b36e8 0 7px, transparent 8px),
    repeating-linear-gradient(90deg, transparent 0 8px, #6a43ee 8px 12px, transparent 12px 18px),
    repeating-linear-gradient(0deg, transparent 0 7px, #6a43ee 7px 10px, transparent 10px 17px),
    #fff;
}

.site-footer {
  background: #061827;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  justify-content: space-between;
  padding: 24px clamp(22px, 5vw, 76px);
}

html.wheel-mode,
body.wheel-mode {
  height: 100vh;
  overflow: hidden;
}

body.wheel-mode main {
  height: 100vh;
  overflow: hidden;
  position: relative;
}

body.wheel-mode main > section,
body.wheel-mode main > .contact {
  height: 100vh;
  inset: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  position: absolute;
  transform: translateY(28px) scale(0.985);
  transition: opacity 0.7s ease, transform 0.7s ease;
  width: 100%;
  z-index: 0;
}

body.wheel-mode main > .is-current {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  z-index: 5;
}

body.wheel-mode main > .is-current .section-label,
body.wheel-mode main > .is-current .hero-content,
body.wheel-mode main > .is-current .about-layout,
body.wheel-mode main > .is-current .section-title-row,
body.wheel-mode main > .is-current .platform-copy,
body.wheel-mode main > .is-current .career-layout,
body.wheel-mode main > .is-current .contact-card {
  animation: pptRise 0.72s ease backwards;
}

body.wheel-mode main > .is-current .hero-stat,
body.wheel-mode main > .is-current .scroll-story {
  animation: pptGlassIn 0.78s ease backwards;
  animation-delay: 0.18s;
}

@media (min-width: 1161px) {
  body.wheel-mode main > .is-current .scroll-story {
    position: fixed;
  }
}

body.wheel-mode main > .is-current .about-cards article,
body.wheel-mode main > .is-current .solution-card,
body.wheel-mode main > .is-current .platform-stack article,
body.wheel-mode main > .is-current .case-grid article,
body.wheel-mode main > .is-current .process li,
body.wheel-mode main > .is-current .career-grid article,
body.wheel-mode main > .is-current .contact-info p {
  animation: pptCardIn 0.72s ease backwards;
}

body.wheel-mode main > .is-current .about-cards article:nth-child(1),
body.wheel-mode main > .is-current .solution-card:nth-child(1),
body.wheel-mode main > .is-current .platform-stack article:nth-child(1),
body.wheel-mode main > .is-current .case-grid article:nth-child(1),
body.wheel-mode main > .is-current .process li:nth-child(1),
body.wheel-mode main > .is-current .career-grid article:nth-child(1),
body.wheel-mode main > .is-current .contact-info p:nth-child(1) {
  animation-delay: 0.14s;
}

body.wheel-mode main > .is-current .about-cards article:nth-child(2),
body.wheel-mode main > .is-current .solution-card:nth-child(2),
body.wheel-mode main > .is-current .platform-stack article:nth-child(2),
body.wheel-mode main > .is-current .case-grid article:nth-child(2),
body.wheel-mode main > .is-current .process li:nth-child(2),
body.wheel-mode main > .is-current .career-grid article:nth-child(2),
body.wheel-mode main > .is-current .contact-info p:nth-child(2) {
  animation-delay: 0.24s;
}

body.wheel-mode main > .is-current .about-cards article:nth-child(3),
body.wheel-mode main > .is-current .solution-card:nth-child(3),
body.wheel-mode main > .is-current .platform-stack article:nth-child(3),
body.wheel-mode main > .is-current .case-grid article:nth-child(3),
body.wheel-mode main > .is-current .process li:nth-child(3),
body.wheel-mode main > .is-current .career-grid article:nth-child(3),
body.wheel-mode main > .is-current .contact-info p:nth-child(3) {
  animation-delay: 0.34s;
}

body.wheel-mode main > .is-current .solution-card:nth-child(4),
body.wheel-mode main > .is-current .process li:nth-child(4),
body.wheel-mode main > .is-current .career-grid article:nth-child(4),
body.wheel-mode main > .is-current .contact-info p:nth-child(4) {
  animation-delay: 0.44s;
}

body.wheel-mode main > .is-before {
  transform: translateY(-28px) scale(0.985);
}

body.wheel-mode .section {
  padding-bottom: 52px;
  padding-top: 126px;
}

body.wheel-mode .platform,
body.wheel-mode .contact {
  padding-bottom: 64px;
  padding-top: 126px;
}

body.wheel-mode .contact {
  padding-top: clamp(150px, 15vh, 190px);
}

body.wheel-mode .site-footer {
  display: none;
}

body.wheel-mode .scroll-story {
  display: none;
}

body.wheel-mode [data-reveal] {
  opacity: 1;
  transform: none;
}

.stage-dots {
  display: grid;
  gap: 10px;
  position: fixed;
  right: 26px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 35;
}

.stage-dots button {
  background: rgba(0, 118, 215, 0.22);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  height: 9px;
  padding: 0;
  transition: background 0.25s ease, height 0.25s ease;
  width: 9px;
}

.stage-dots button.is-active {
  background: var(--blue-strong);
  height: 28px;
}

@keyframes pptRise {
  from {
    opacity: 0;
    transform: translateY(36px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pptCardIn {
  from {
    opacity: 0;
    transform: translateY(44px) scale(0.96);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes pptGlassIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 1160px) {
  .nav,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .site-header.menu-open .nav {
    align-items: stretch;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    display: grid;
    gap: 0;
    left: 0;
    padding: 14px 22px 22px;
    position: absolute;
    right: 0;
    top: 82px;
  }

  .site-header.menu-open .nav a {
    border-bottom: 1px solid var(--line);
    padding: 14px 0;
  }

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

  .hero-stat {
    left: clamp(22px, 5vw, 76px);
    right: auto;
  }

  body.wheel-mode .hero-stat {
    max-width: 760px;
    right: clamp(22px, 5vw, 76px);
    left: clamp(22px, 5vw, 76px);
  }
}

@media (min-width: 1161px) {
  body.wheel-mode .hero {
    padding-top: clamp(120px, 10vh, 150px);
  }

  body.wheel-mode .hero-content {
    max-width: min(820px, 48vw);
  }

  body.wheel-mode .hero-stat {
    bottom: 44px;
  }
}

@media (min-width: 1600px) {
  body.wheel-mode h1 {
    font-size: clamp(76px, 5.3vw, 96px);
  }

  body.wheel-mode .hero-content {
    max-width: 780px;
  }

  body.wheel-mode .hero-copy {
    max-width: 760px;
  }
}

@media (max-width: 860px) {
  .site-header {
    height: 70px;
  }

  .brand {
    min-width: 0;
  }

  .brand-text strong {
    font-size: 15px;
  }

  .brand-text small {
    display: block;
    font-size: 8px;
    line-height: 1.2;
    max-width: 250px;
    white-space: normal;
  }

  .site-header.menu-open .nav {
    top: 70px;
  }

  .hero {
    min-height: auto;
    padding: 104px 24px 44px;
  }

  .hero-content {
    max-width: 100%;
    width: 100%;
  }

  h1 {
    font-size: clamp(38px, 11vw, 48px);
    line-height: 1.08;
  }

  h2 {
    font-size: clamp(30px, 8vw, 42px);
  }

  .hero-copy {
    font-size: 16px;
    line-break: anywhere;
    max-width: 100%;
    overflow-wrap: anywhere;
    width: 100%;
    word-break: break-all;
  }

  .scroll-story {
    display: none;
  }

  .hero-actions,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    justify-content: center;
    width: 100%;
  }

  .hero-stat {
    bottom: auto;
    grid-template-columns: 1fr;
    gap: 10px;
    left: auto;
    margin-top: 24px;
    max-width: none;
    position: relative;
    right: auto;
    width: 100%;
  }

  .hero-stat div {
    padding: 18px 20px;
  }

  .hero-stat strong {
    font-size: 28px;
  }

  .about-layout,
  .section-title-row,
  .service-layout,
  .career-layout,
  .contact-card,
  .platform {
    grid-template-columns: 1fr;
  }

  .about-cards,
  .case-grid,
  .career-grid,
  .solution-grid {
    grid-template-columns: 1fr;
  }

  .process li,
  .contact-info p {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .section,
  .platform {
    padding-bottom: 78px;
    padding-left: 24px;
    padding-right: 24px;
    padding-top: 78px;
  }

  .contact {
    padding-left: 24px;
    padding-right: 24px;
  }

  .section-label {
    margin-bottom: 24px;
  }

  .about-cards article,
  .solution-card,
  .case-grid article,
  .career-grid article {
    min-height: auto;
    padding: 24px;
  }

  .solution-card .tag,
  .about-cards span,
  .case-grid span,
  .career-grid span {
    margin-bottom: 42px;
  }

  .contact-info {
    padding: 22px;
  }

  .stage-dots {
    display: none;
  }
}

.detail-page {
  background: var(--paper);
  min-height: 100vh;
  overflow-x: hidden;
}

.detail-main {
  padding-top: 82px;
}

.detail-hero {
  color: var(--ink);
  min-height: 620px;
  overflow: hidden;
  padding: 110px clamp(24px, 5vw, 76px) 86px;
  position: relative;
}

.detail-bg,
.detail-bg video,
.detail-hero::after {
  inset: 0;
  position: absolute;
}

.detail-bg video {
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  width: 100%;
}

.detail-hero::after {
  background:
    linear-gradient(110deg, rgba(255, 255, 255, 0.98), rgba(247, 251, 254, 0.92) 46%, rgba(247, 251, 254, 0.52)),
    linear-gradient(90deg, rgba(26, 168, 238, 0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(26, 168, 238, 0.05) 1px, transparent 1px);
  background-size: auto, 48px 48px, 48px 48px;
  content: "";
  z-index: 1;
}

.detail-copy {
  max-width: 820px;
  position: relative;
  z-index: 2;
}

.detail-copy h1 {
  font-size: clamp(48px, 6vw, 92px);
  margin-bottom: 22px;
}

.detail-copy > p {
  color: var(--text);
  font-size: clamp(18px, 1.5vw, 22px);
  max-width: 760px;
}

.back-link {
  color: var(--blue-strong);
  display: inline-block;
  font-size: 14px;
  font-weight: 900;
  margin-bottom: 34px;
}

.detail-actions {
  display: flex;
  gap: 14px;
  margin-top: 34px;
}

.detail-section {
  padding: 72px clamp(24px, 5vw, 76px);
}

.detail-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.detail-panel {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 22px 58px rgba(17, 93, 146, 0.08);
  min-height: 300px;
  padding: 32px;
}

.detail-panel span {
  color: var(--blue-strong);
  display: block;
  font-weight: 900;
  margin-bottom: 48px;
}

.detail-panel h2 {
  font-size: 28px;
  margin-bottom: 18px;
}

.detail-panel p,
.detail-panel li {
  color: var(--muted);
}

.detail-panel ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding-left: 20px;
}

.detail-contact {
  align-items: center;
  background: #082235;
  color: var(--white);
  display: grid;
  gap: 28px;
  grid-template-columns: 1fr 1fr;
  padding: 56px clamp(24px, 5vw, 76px);
}

.detail-contact .kicker,
.detail-contact p {
  color: rgba(255, 255, 255, 0.78);
}

.detail-contact-content {
  display: grid;
  gap: 22px;
}

.detail-contact-lines {
  display: grid;
  gap: 14px;
}

.detail-contact-lines p {
  align-items: center;
  display: grid;
  gap: 14px;
  grid-template-columns: 34px 1fr;
  margin: 0;
}

.detail-contact h2 {
  font-size: clamp(30px, 4vw, 50px);
}

@media (max-width: 860px) {
  .detail-main {
    padding-top: 70px;
  }

  .detail-hero {
    min-height: auto;
    padding: 72px 24px 56px;
  }

  .detail-actions,
  .detail-contact {
    grid-template-columns: 1fr;
  }

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

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

  .detail-panel {
    min-height: auto;
    padding: 24px;
  }

  .detail-contact {
    padding: 44px 24px;
  }
}