*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #f6f8fb;
  --bg-soft: #eef4fb;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-dark: rgba(148, 163, 184, 0.18);
  --dark: #06111f;
  --dark-2: #0b1b2e;
  --primary: #0077ff;
  --primary-2: #00c8ff;
  --accent: #ff6b2c;
  --surface: rgba(255, 255, 255, 0.84);
  --shadow: 0 18px 60px rgba(15, 23, 42, 0.1);
  --shadow-soft: 0 10px 32px rgba(15, 23, 42, 0.08);
  --radius: 24px;
  --radius-sm: 16px;
  --header-h: 72px;
  --page-x: clamp(18px, 4vw, 72px);
  --container: 1180px;
  --focus: 0 0 0 3px rgba(0, 200, 255, 0.38);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  overflow-x: clip;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 5%, rgba(0, 119, 255, 0.08), transparent 28rem),
    linear-gradient(180deg, #f8fbff 0%, var(--bg) 48%, #eef4fb 100%);
  font-family: "DM Sans", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

body.nav-open {
  overflow: hidden;
}

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

button,
a {
  cursor: pointer;
}

a:focus-visible,
button:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.hidden {
  display: none !important;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: 16px;
  z-index: 1000;
  padding: 10px 14px;
  border-radius: 999px;
  background: #fff;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  box-shadow: var(--shadow-soft);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 16px;
}

.page-loading,
.page-error {
  min-height: 100svh;
  display: grid;
  place-items: center;
  background: var(--dark);
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(6, 17, 31, 0.78);
  backdrop-filter: blur(20px);
  transition: background 0.24s ease, box-shadow 0.24s ease, border-color 0.24s ease;
}

.site-header.scrolled {
  background: rgba(6, 17, 31, 0.94);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 36px rgba(2, 6, 23, 0.22);
}

.header-inner {
  width: min(100%, calc(var(--container) + var(--page-x) * 2));
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--page-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border-radius: 16px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  padding: 5px;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 0 26px rgba(0, 200, 255, 0.18);
}

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

.brand-text {
  min-width: 0;
}

.brand-text strong {
  display: block;
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.brand-text span {
  display: block;
  max-width: 16em;
  overflow: hidden;
  color: rgba(226, 232, 240, 0.68);
  font-size: 11px;
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(14px, 2vw, 36px);
  min-width: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
}

.site-nav a {
  position: relative;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: color 0.2s ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -9px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--primary-2));
  transition: width 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: #fff;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-phone {
  display: grid;
  gap: 1px;
  color: rgba(226, 232, 240, 0.72);
  font-size: 11px;
  line-height: 1.2;
  white-space: nowrap;
}

.header-phone strong {
  color: #fff;
  font-size: 14px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #ff945f);
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 12px 30px rgba(255, 107, 44, 0.24);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 34px rgba(255, 107, 44, 0.34);
}

.nav-recruit-link {
  display: none;
}

body.modal-open {
  overflow: hidden;
}

.app-download-modal,
.expert-recruit-modal {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: clamp(18px, 4vw, 48px);
}

@media (max-width: 640px), (max-height: 720px) {
  .app-download-modal:not(.hidden) {
    overflow-y: auto;
    overscroll-behavior: contain;
    align-content: safe center;
  }
}

.app-download-backdrop,
.recruit-modal-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(8, 19, 35, 0.42);
  backdrop-filter: blur(14px);
}

.app-download-card {
  position: relative;
  z-index: 1;
  width: min(100%, 860px);
  overflow: visible;
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: 30px;
  background:
    radial-gradient(circle at 92% 8%, rgba(0, 200, 255, 0.16), transparent 16rem),
    radial-gradient(circle at 6% 12%, rgba(0, 119, 255, 0.1), transparent 14rem),
    #fff;
  box-shadow: 0 34px 100px rgba(15, 23, 42, 0.22);
}

.recruit-modal-card {
  position: relative;
  z-index: 1;
  width: min(100%, 860px);
  max-height: min(86svh, 760px);
  overflow: auto;
  padding: clamp(28px, 4vw, 44px);
  border: 1px solid rgba(226, 232, 240, 0.92);
  border-radius: 30px;
  background:
    radial-gradient(circle at 92% 8%, rgba(0, 200, 255, 0.16), transparent 16rem),
    radial-gradient(circle at 6% 12%, rgba(0, 119, 255, 0.1), transparent 14rem),
    #fff;
  box-shadow: 0 34px 100px rgba(15, 23, 42, 0.22);
}

.app-download-close,
.recruit-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--ink);
  box-shadow: var(--shadow-soft);
}

.app-download-badge,
.recruit-modal-badge {
  width: fit-content;
  margin-bottom: 14px;
  padding: 7px 11px;
  border: 1px solid #cdeefe;
  border-radius: 999px;
  background: #eef8ff;
  color: #006bbf;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-download-card h2,
.recruit-modal-card h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1.1;
}

.app-download-lead,
.recruit-modal-lead {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--ink-2);
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.85;
}

.app-download-grid,
.recruit-modal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(24px, 3vw, 34px);
}

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

.app-download-qr-card {
  min-height: 0;
  padding: clamp(20px, 2.8vw, 28px);
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 20px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background:
    radial-gradient(circle at 82% 12%, rgba(0, 200, 255, 0.12), transparent 12rem),
    #fff;
  box-shadow: var(--shadow-soft);
}

.app-download-qr-wrap {
  width: min(100%, 240px);
  aspect-ratio: 1;
  margin-inline: auto;
  padding: 14px;
  display: grid;
  place-items: center;
  border: 1px solid #dbeafe;
  border-radius: 24px;
  background: #f8fbff;
}

.app-download-qr,
.app-download-qr svg,
.app-download-qr-wrap img {
  width: 100%;
  height: 100%;
  display: block;
}

.app-download-qr svg,
.app-download-qr-wrap img {
  object-fit: contain;
}

.app-download-qr-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.app-download-qr-label {
  width: fit-content;
  padding: 5px 9px;
  border-radius: 999px;
  background: #eaf6ff;
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
}

.app-download-qr-copy h3 {
  margin: 14px 0 8px;
  color: var(--ink);
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.app-download-qr-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.app-download-qr-copy a {
  margin-top: auto;
  padding-top: 16px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 900;
}

.recruit-info-card {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-soft);
}

.recruit-info-card .ui-icon {
  width: 46px;
  height: 46px;
  border: 1px solid #cdeefe;
  border-radius: 15px;
  background: #eef8ff;
  color: var(--primary);
}

.recruit-info-card h3 {
  margin: 18px 0 8px;
  color: var(--ink);
  font-size: 17px;
  font-weight: 900;
}

.recruit-info-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.recruit-modal-footer {
  margin-top: clamp(24px, 3vw, 34px);
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #f8fbff;
}

.recruit-modal-footer strong,
.recruit-modal-footer span {
  display: block;
}

.recruit-modal-footer strong {
  color: var(--ink);
  font-weight: 900;
}

.recruit-modal-footer span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.recruit-phone-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  font-size: 14px;
  font-weight: 900;
  box-shadow: 0 14px 34px rgba(0, 119, 255, 0.22);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
}

.nav-toggle-icon,
.ui-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-toggle-icon svg,
.ui-icon svg {
  width: 22px;
  height: 22px;
}

.nav-toggle-icon--close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon--open {
  display: none;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon--close {
  display: inline-flex;
}

.site-main {
  background: transparent;
}

.hero {
  position: relative;
  min-height: 100svh;
  padding: calc(var(--header-h) + 88px) var(--page-x) 72px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(6, 17, 31, 0.7), rgba(6, 17, 31, 0.96)),
    radial-gradient(circle at 75% 24%, rgba(0, 200, 255, 0.2), transparent 26rem),
    radial-gradient(circle at 20% 20%, rgba(0, 119, 255, 0.2), transparent 22rem),
    var(--dark);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  opacity: 0.38;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.08) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 90%);
}

.hero-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(12px);
  pointer-events: none;
}

.hero-glow-1 {
  width: 22rem;
  height: 22rem;
  right: -8rem;
  top: 9rem;
  background: rgba(0, 200, 255, 0.12);
}

.hero-glow-2 {
  width: 18rem;
  height: 18rem;
  left: -8rem;
  bottom: 8rem;
  background: rgba(0, 119, 255, 0.16);
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(100%, var(--container));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(360px, 0.94fr);
  align-items: center;
  gap: clamp(52px, 8vw, 108px);
}

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

.hero-badge {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 32px;
  padding: 8px 13px;
  border: 1px solid rgba(0, 200, 255, 0.26);
  border-radius: 999px;
  background: rgba(0, 200, 255, 0.08);
  color: #a5f3fc;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.hero-badge-dot,
.video-live-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--primary-2);
  box-shadow: 0 0 18px rgba(0, 200, 255, 0.9);
}

.hero h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(38px, 5.4vw, 76px);
  font-weight: 900;
  letter-spacing: -0.06em;
  line-height: 1.12;
  white-space: nowrap;
}

.hero-tagline {
  max-width: 660px;
  margin: 32px 0 0;
  color: rgba(226, 232, 240, 0.82);
  font-size: clamp(17px, 1.7vw, 23px);
  line-height: 1.85;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 40px;
}

.hero-proof span {
  padding: 8px 12px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 48px;
}

.btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 850;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow: 0 18px 44px rgba(0, 119, 255, 0.3);
}

.btn-outline {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.06);
}

.btn-ghost-tech {
  color: #b8eaff;
  border-color: rgba(0, 200, 255, 0.26);
  background: rgba(0, 200, 255, 0.07);
}

.hero-visual {
  position: relative;
  min-height: 420px;
  display: grid;
  place-items: center;
}

.hero-ring {
  position: absolute;
  border-radius: 999px;
  border: 1px solid rgba(0, 200, 255, 0.18);
}

.hero-ring-1 {
  width: min(72vw, 520px);
  height: min(72vw, 520px);
}

.hero-ring-2 {
  width: min(58vw, 410px);
  height: min(58vw, 410px);
  border-style: dashed;
  opacity: 0.7;
}

.video-mockup {
  position: relative;
  width: min(100%, 440px);
  border: 1px solid rgba(148, 163, 184, 0.22);
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(15, 23, 42, 0.9), rgba(2, 6, 23, 0.92)),
    rgba(255, 255, 255, 0.06);
  box-shadow: 0 34px 100px rgba(0, 0, 0, 0.32);
  overflow: hidden;
}

.video-mockup-header,
.video-mockup-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  color: rgba(226, 232, 240, 0.74);
  font-size: 13px;
}

.video-live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #ff9f7a;
  font-size: 12px;
  font-weight: 900;
}

.video-mockup-screen {
  position: relative;
  min-height: 260px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-block: 1px solid rgba(148, 163, 184, 0.12);
  background:
    radial-gradient(circle at 50% 34%, rgba(0, 200, 255, 0.14), transparent 12rem),
    linear-gradient(135deg, rgba(0, 119, 255, 0.1), rgba(0, 200, 255, 0.03));
}

.video-scan-line {
  position: absolute;
  inset: 28% 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0, 200, 255, 0.8), transparent);
}

.video-play-btn {
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(0, 200, 255, 0.28);
  border-radius: 999px;
  background: rgba(0, 200, 255, 0.1);
  color: #fff;
  box-shadow: inset 0 0 32px rgba(0, 200, 255, 0.12);
  cursor: pointer;
  appearance: none;
}

.video-play-btn svg {
  width: 30px;
  height: 30px;
  fill: currentColor;
}

.video-play-overlay {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 24px;
  border: 0;
  background: rgba(2, 6, 23, 0.34);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease;
}

.video-play-overlay:hover {
  background: rgba(2, 6, 23, 0.46);
}

.video-play-overlay-icon {
  width: 78px;
  height: 78px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  box-shadow:
    0 16px 40px rgba(0, 119, 255, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.video-play-overlay-icon svg {
  width: 32px;
  height: 32px;
  margin-left: 4px;
  fill: #fff;
}

.video-play-overlay-text {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}

.hero-video-poster {
  position: absolute;
  inset: 0;
  z-index: 1;
  overflow: hidden;
  background: #020617;
}

.hero-video-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-remote-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border: 0;
  background: #000;
  z-index: 2;
}

.hero-remote-video.is-preview {
  display: block;
  pointer-events: none;
}

.video-mockup.has-promo-video .video-mockup-screen {
  aspect-ratio: 16 / 9;
  min-height: 0;
  background: #020617;
  cursor: pointer;
}

.video-mockup.has-promo-video .video-scan-line,
.video-mockup.has-promo-video .hero-float-card,
.video-mockup.has-promo-video .video-overlay-tags {
  display: none;
}

.video-mockup.has-promo-video .video-mockup-screen::before,
.video-mockup.has-promo-video .video-mockup-screen::after {
  display: none;
}

.video-mockup.has-promo-video .hero-video-poster,
.video-mockup.has-promo-video .hero-remote-video,
.video-mockup.has-promo-video .video-play-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.video-mockup.has-promo-video .hero-video-poster {
  z-index: 1;
}

.video-mockup.has-promo-video .hero-remote-video {
  z-index: 2;
}

.video-mockup.has-promo-video .video-play-overlay {
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.video-mockup.has-promo-video .video-play-overlay.hidden {
  display: none !important;
}

.video-mockup.has-promo-video .video-live {
  color: #7dd3fc;
}

.video-mockup-screen.is-playing {
  background: #000;
  cursor: default;
}

.video-mockup-screen.is-playing .hero-remote-video {
  display: block;
  z-index: 3;
  pointer-events: auto;
}

.video-overlay-tags {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.video-tag {
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  font-weight: 700;
}

.video-stat {
  display: grid;
  gap: 2px;
}

.video-stat strong {
  color: #fff;
  font-size: 15px;
}

.video-stat span {
  color: rgba(226, 232, 240, 0.62);
  font-size: 12px;
}

.stats-strip {
  position: relative;
  z-index: 1;
  width: min(100%, var(--container));
  margin: 48px auto 0;
}

.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 24px;
  background: rgba(148, 163, 184, 0.16);
  overflow: hidden;
}

.stat-item {
  padding: 22px 18px;
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(18px);
}

.stat-item strong {
  display: block;
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  line-height: 1.1;
}

.stat-item span {
  display: block;
  margin-top: 8px;
  color: rgba(226, 232, 240, 0.68);
  font-size: 13px;
}

.section {
  padding: clamp(78px, 10vw, 128px) var(--page-x);
}

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

#about.section {
  padding: clamp(78px, 10vw, 128px) 0 0;
}

#about .section-inner--about {
  padding: 0 var(--page-x) clamp(64px, 8vw, 96px);
}

.section-dark {
  color: #fff;
  background:
    radial-gradient(circle at 88% 16%, rgba(0, 200, 255, 0.12), transparent 26rem),
    linear-gradient(180deg, var(--dark) 0%, var(--dark-2) 100%);
}

.section-light {
  background: transparent;
}

.section-label {
  display: block;
  margin-bottom: 12px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.18em;
  text-align: center;
  text-transform: uppercase;
}

.section-dark .section-label {
  color: #67e8f9;
}

.section-title {
  max-width: 760px;
  margin: 0 auto;
  color: var(--ink);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.18;
  text-align: center;
}

.section-dark .section-title {
  color: #fff;
}

.section-subtitle {
  max-width: 680px;
  margin: 18px auto 44px;
  color: var(--muted);
  font-size: 16px;
  text-align: center;
}

.section-dark .section-subtitle {
  color: rgba(226, 232, 240, 0.72);
}

.tech-grid,
.service-grid,
.feature-grid {
  display: grid;
  gap: 18px;
}

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

.service-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: clamp(28px, 4.2vw, 52px);
  row-gap: clamp(32px, 4.8vw, 56px);
  width: 100%;
}

.feature-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.tech-card,
.service-card,
.feature-card,
.step-item,
.about-panel,
.about-highlight-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.tech-card {
  min-height: 300px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(148, 163, 184, 0.18);
}

.tech-icon,
.service-icon,
.feature-icon,
.step-node,
.about-highlight-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  color: var(--primary);
  background: rgba(0, 119, 255, 0.08);
  border: 1px solid rgba(0, 119, 255, 0.12);
}

.tech-icon {
  color: #67e8f9;
  background: rgba(0, 200, 255, 0.08);
  border-color: rgba(0, 200, 255, 0.16);
}

.tech-card h3,
.service-name,
.feature-title,
.step-item h3 {
  margin: 20px 0 10px;
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.28;
}

.tech-card p,
.feature-desc,
.step-item p {
  margin: 0;
  color: rgba(226, 232, 240, 0.66);
  font-size: 14px;
}

.service-card {
  min-height: 176px;
  padding: clamp(24px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  background: var(--surface);
  backdrop-filter: blur(18px);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.service-card:hover,
.feature-card:hover,
.step-item:hover,
.about-highlight-item:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 119, 255, 0.2);
  box-shadow: var(--shadow);
}

.service-name {
  margin-top: 16px;
  margin-bottom: auto;
  color: var(--ink);
}

.service-tag {
  width: fit-content;
  margin-top: 14px;
  padding: 5px 9px;
  border-radius: 999px;
  background: #eaf4ff;
  color: var(--primary);
  font-size: 12px;
  font-weight: 850;
}

.feature-card {
  min-height: 230px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(148, 163, 184, 0.18);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.feature-icon {
  color: #67e8f9;
  background: rgba(0, 200, 255, 0.08);
  border-color: rgba(0, 200, 255, 0.16);
}

.feature-index {
  color: rgba(255, 255, 255, 0.18);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}

.feature-title {
  color: #fff;
}

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

.step-item {
  position: relative;
  min-height: 230px;
  padding: 26px;
  background: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.step-node {
  color: var(--primary);
}

.step-item h3 {
  color: var(--ink);
}

.step-item p {
  color: var(--muted);
}

.section-inner--about {
  width: min(100%, var(--container));
}

.about-panel {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  overflow: hidden;
  background: #fff;
}

.about-panel-aside {
  position: relative;
  padding: 34px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  color: #fff;
  background:
    radial-gradient(circle at 18% 18%, rgba(0, 200, 255, 0.22), transparent 16rem),
    linear-gradient(150deg, #06111f 0%, #0b2d4d 100%);
}

.about-brand-mark {
  width: 132px;
  height: 76px;
  padding: 10px 12px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.18);
}

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

.about-aside-name {
  margin: 8px 0 0;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.about-aside-tagline {
  margin: 0;
  color: rgba(226, 232, 240, 0.72);
  font-size: 14px;
}

.about-panel-main {
  padding: clamp(28px, 5vw, 48px);
}

.about-intro {
  margin: 0;
  color: var(--ink-2);
  font-size: 16px;
  line-height: 1.95;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.about-highlight-item {
  padding: 18px;
  background: #f8fbff;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.about-highlight-item strong,
.about-highlight-item span:last-child {
  display: block;
}

.about-highlight-item strong {
  margin-top: 14px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
}

.about-highlight-item span:last-child {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.site-footer {
  padding: 28px var(--page-x);
  color: rgba(226, 232, 240, 0.58);
  background: #040b14;
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  font-size: 12px;
  text-align: center;
}

.footer-legal {
  width: min(100%, var(--container));
  margin: 0 auto;
}

.footer-line {
  margin: 0;
  word-break: break-all;
}

.footer-line + .footer-line {
  margin-top: 5px;
}

.footer-line a,
.license-btn {
  color: rgba(255, 255, 255, 0.72);
}

.police-record-link {
  display: inline;
}

.police-record-link img {
  width: 1em;
  height: 1em;
  margin-right: 4px;
  object-fit: contain;
  flex: 0 0 auto;
  vertical-align: -0.125em;
}

.footer-legal-gap {
  display: inline-block;
  width: 1.25em;
}

.license-btn {
  display: inline-flex;
  margin-left: 8px;
  padding: 1px 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

@media (max-width: 1120px) {
  .site-nav {
    gap: 18px;
  }

  .header-phone {
    display: none;
  }

  .hero-inner {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 900px;
  }

  .hero-visual {
    min-height: 360px;
  }

  .service-grid,
  .feature-grid,
  .steps-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-panel,
  #about .about-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  :root {
    --header-h: 64px;
    --page-x: clamp(16px, 5vw, 28px);
  }

  .brand-text span {
    display: none;
  }

  .nav-toggle {
    display: grid;
    place-items: center;
  }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 auto;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px var(--page-x) 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(6, 17, 31, 0.97);
    backdrop-filter: blur(18px);
  }

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

  .site-nav a {
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 16px;
  }

  .site-nav a::after {
    display: none;
  }

  .header-actions {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: calc(var(--header-h) + 54px);
  }

  .hero h1 {
    font-size: clamp(32px, 8.6vw, 46px);
  }

  .hero-tagline {
    font-size: 16px;
  }

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

  .btn {
    width: 100%;
  }

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

  .tech-grid,
  .service-grid,
  .feature-grid,
  .steps-track,
  .about-highlights {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .brand-text strong {
    font-size: 16px;
  }

  .hero {
    padding-bottom: 22px;
  }

  .hero h1 {
    letter-spacing: -0.08em;
    white-space: nowrap;
  }

  .hero-visual {
    min-height: 300px;
  }

  .video-mockup-screen {
    min-height: 220px;
  }

  .section {
    padding-block: 72px;
  }

  .section-title {
    font-size: 28px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* White official-site theme */
:root {
  --bg: #ffffff;
  --bg-soft: #f6f9fd;
  --ink: #0b1220;
  --ink-2: #26364a;
  --muted: #5f7087;
  --line: #e6edf5;
  --surface: rgba(255, 255, 255, 0.9);
  --shadow: 0 24px 70px rgba(15, 23, 42, 0.11);
  --shadow-soft: 0 12px 36px rgba(15, 23, 42, 0.07);
  --header-h: clamp(78px, 7vh, 92px);
  --page-x: clamp(20px, 5vw, 96px);
  --container: 1440px;
}

body {
  background:
    radial-gradient(circle at 78% 8%, rgba(0, 200, 255, 0.12), transparent 26rem),
    radial-gradient(circle at 4% 18%, rgba(0, 119, 255, 0.08), transparent 22rem),
    linear-gradient(180deg, #ffffff 0%, #f7fbff 46%, #ffffff 100%);
  font-family: "Noto Sans SC", "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

.page-loading,
.page-error {
  background: #fff;
  color: var(--muted);
}

.site-header,
.site-header.scrolled {
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 10px 34px rgba(15, 23, 42, 0.06);
}

.site-header {
  backdrop-filter: blur(22px);
}

.header-inner {
  width: 100%;
  gap: clamp(18px, 2.6vw, 40px);
}

.brand-logo {
  width: clamp(50px, 3.3vw, 58px);
  height: clamp(50px, 3.3vw, 58px);
  padding: 6px;
  border-radius: 17px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(0, 119, 255, 0.12);
}

.brand-text strong {
  color: var(--ink);
  font-size: clamp(18px, 1.1vw, 22px);
  font-weight: 900;
  letter-spacing: -0.02em;
}

.brand-text span {
  color: var(--muted);
  font-size: clamp(12px, 0.72vw, 14px);
  line-height: 1.45;
}

.site-nav a {
  color: #334155;
  font-size: clamp(15px, 0.86vw, 17px);
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--primary);
}

.header-phone {
  color: var(--muted);
  font-size: 12px;
}

.header-phone strong {
  color: var(--ink);
  font-size: clamp(15px, 0.9vw, 17px);
}

.header-cta {
  min-height: clamp(44px, 4.6vh, 50px);
  padding: 0 clamp(18px, 1.6vw, 26px);
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  font-size: clamp(14px, 0.86vw, 16px);
  box-shadow: 0 14px 34px rgba(0, 119, 255, 0.22);
}

.nav-toggle {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
  box-shadow: var(--shadow-soft);
}

.hero {
  min-height: 100svh;
  padding: calc(var(--header-h) + clamp(56px, 8vh, 96px)) clamp(48px, 6.5vw, 132px)
    clamp(56px, 7vh, 88px);
  justify-content: center;
  gap: clamp(36px, 5vh, 56px);
  color: var(--ink);
  background:
    radial-gradient(circle at 82% 22%, rgba(0, 200, 255, 0.16), transparent 24rem),
    radial-gradient(circle at 12% 18%, rgba(0, 119, 255, 0.1), transparent 20rem),
    linear-gradient(180deg, #ffffff 0%, #f7fbff 58%, #ffffff 100%);
}

.hero-grid-bg {
  opacity: 0.6;
  background-image:
    linear-gradient(rgba(0, 119, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 119, 255, 0.055) 1px, transparent 1px);
  mask-image: linear-gradient(180deg, #000 0%, transparent 94%);
}

.hero-glow-1 {
  background: rgba(0, 200, 255, 0.16);
}

.hero-glow-2 {
  background: rgba(0, 119, 255, 0.11);
}

.hero-inner {
  width: min(100%, 1640px);
  max-width: 1640px;
  margin-inline: auto;
  grid-template-columns: minmax(0, 1.06fr) minmax(clamp(410px, 30vw, 580px), 0.94fr);
  gap: clamp(64px, 7vw, 136px);
}

.hero-copy {
  max-width: 900px;
}

.hero-badge {
  margin-bottom: 32px;
  background: #eef8ff;
  border-color: #cdeefe;
  color: #006bbf;
  font-size: 13px;
  font-weight: 900;
}

.hero h1 {
  color: var(--ink);
  font-family: "Noto Sans SC", "DM Sans", sans-serif;
  font-size: clamp(42px, 4.6vw, 72px);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 1.12;
  max-width: 100%;
  white-space: nowrap;
}

.hero-tagline {
  max-width: 700px;
  margin-top: 32px;
  color: var(--ink-2);
  font-size: clamp(18px, 1.55vw, 24px);
  font-weight: 500;
  line-height: 1.9;
}

.hero-proof span {
  background: rgba(255, 255, 255, 0.78);
  border-color: #dbeafe;
  color: #31506d;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}

.hero-proof {
  margin-top: 40px;
  gap: 12px;
}

.hero-proof span:first-child {
  color: #005bb8;
  background: #eaf6ff;
  border-color: #bee8ff;
}

.btn {
  min-height: 52px;
  padding-inline: 24px;
  font-size: 16px;
  font-weight: 900;
}

.btn-outline {
  color: var(--ink);
  border-color: #d7e4f2;
  background: #fff;
}

.btn-ghost-tech {
  color: #006bbf;
  border-color: #cdeefe;
  background: #eef8ff;
}

.hero-actions {
  margin-top: 48px;
  gap: 16px;
}

.hero-visual {
  min-height: clamp(420px, 50vh, 580px);
  justify-items: end;
  isolation: isolate;
}

.hero-ring {
  border-color: rgba(0, 119, 255, 0.12);
}

.video-mockup {
  width: clamp(420px, 30vw, 580px);
  border-color: #dfeaf6;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 30px 90px rgba(15, 23, 42, 0.13);
  z-index: 2;
}

.video-mockup-header,
.video-mockup-footer {
  color: var(--muted);
}

.video-live {
  color: var(--accent);
}

.video-mockup-screen {
  border-color: #e8f0f8;
  min-height: clamp(260px, 30vh, 330px);
  background:
    radial-gradient(circle at 50% 34%, rgba(0, 200, 255, 0.2), transparent 12rem),
    linear-gradient(135deg, #f7fbff, #eaf6ff);
}

.video-mockup-screen::before,
.video-mockup-screen::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-repeat: no-repeat;
  opacity: 0.72;
}

.video-mockup-screen::before {
  background-image:
    radial-gradient(circle, rgba(0, 200, 255, 0.2) 0 2px, transparent 3px),
    radial-gradient(circle, rgba(0, 119, 255, 0.14) 0 4px, transparent 5px),
    radial-gradient(circle, rgba(0, 200, 255, 0.16) 0 3px, transparent 4px);
  background-position: 22% 32%, 72% 28%, 62% 68%;
  background-size: 24px 24px, 32px 32px, 28px 28px;
  animation: video-bubble-drift 8s ease-in-out infinite;
}

.video-mockup-screen::after {
  background-image:
    radial-gradient(circle, rgba(0, 119, 255, 0.1) 0 7px, transparent 8px),
    radial-gradient(circle, rgba(0, 200, 255, 0.12) 0 5px, transparent 6px);
  background-position: 30% 70%, 80% 58%;
  background-size: 42px 42px, 36px 36px;
  animation: video-bubble-drift-alt 10s ease-in-out infinite;
}

.video-mockup-screen > :not(.hero-video-poster):not(.hero-remote-video):not(.video-play-overlay) {
  position: relative;
  z-index: 1;
}

@keyframes video-bubble-drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }

  50% {
    transform: translate3d(8px, -10px, 0);
  }
}

@keyframes video-bubble-drift-alt {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }

  50% {
    transform: translate3d(-10px, 8px, 0) scale(1.04);
  }
}

.hero-float-card {
  position: absolute;
  z-index: 3;
  width: 128px;
  padding: 9px 11px;
  border: 1px solid rgba(0, 119, 255, 0.14);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow:
    0 10px 26px rgba(15, 23, 42, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(14px);
  pointer-events: none;
}

.hero-float-card span,
.hero-float-card strong {
  display: block;
}

.hero-float-card span {
  color: #55718e;
  font-size: 10px;
  font-weight: 800;
  line-height: 1.2;
}

.hero-float-card strong {
  margin-top: 3px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.hero-float-card--ai {
  left: clamp(14px, 5.5%, 30px);
  top: 42%;
}

.hero-float-card--expert {
  right: clamp(14px, 5.5%, 30px);
  left: auto;
  top: 18%;
}

.video-play-btn {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  border-color: rgba(0, 119, 255, 0.2);
  box-shadow: 0 18px 42px rgba(0, 119, 255, 0.22);
}

.video-tag {
  background: rgba(255, 255, 255, 0.86);
  border-color: #dbeafe;
  color: #31506d;
}

.video-stat strong {
  color: var(--ink);
}

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

.stats-strip {
  width: min(100%, 1640px);
  max-width: 1640px;
  margin-inline: auto;
  margin-top: 0;
}

.stats-inner {
  border-color: #dfeaf6;
  background: #e7eff8;
  box-shadow: var(--shadow-soft);
  border-radius: 28px;
}

.stat-item {
  background: rgba(255, 255, 255, 0.9);
  padding: 24px 24px;
}

.stat-item strong {
  color: var(--ink);
  font-size: 24px;
}

.stat-item span {
  color: var(--muted);
  font-weight: 600;
}

.section {
  background: #fff;
  padding-block: clamp(84px, 9vw, 118px);
  padding-inline: clamp(48px, 6.5vw, 132px);
}

.section-inner {
  width: min(100%, 1640px);
  max-width: 1640px;
}

#about .section-inner--about {
  width: min(calc(100% - clamp(96px, 13vw, 264px)), 1640px);
  max-width: 1640px;
  padding-inline: 0;
}

.section-dark {
  color: var(--ink);
  background:
    radial-gradient(circle at 88% 12%, rgba(0, 200, 255, 0.09), transparent 24rem),
    linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
}

.section-dark .section-label {
  color: var(--primary);
}

.section-dark .section-title {
  color: var(--ink);
}

.section-dark .section-subtitle {
  color: var(--muted);
}

.section-title {
  font-family: "Noto Sans SC", "DM Sans", sans-serif;
  font-size: clamp(32px, 3.8vw, 54px);
  font-weight: 900;
  letter-spacing: -0.045em;
}

.section-subtitle {
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: clamp(36px, 4.5vw, 58px);
}

.tech-grid {
  grid-template-columns: 1.15fr 0.925fr 0.925fr;
}

.tech-card,
.feature-card {
  background: #fff;
  border-color: var(--line);
  color: var(--ink);
}

.tech-card {
  min-height: 260px;
  padding: clamp(26px, 3vw, 36px);
}

.tech-card:first-child {
  background:
    radial-gradient(circle at 86% 12%, rgba(0, 200, 255, 0.16), transparent 13rem),
    linear-gradient(145deg, #ffffff, #f3faff);
}

.tech-card p,
.feature-desc {
  color: var(--muted);
}

.tech-icon,
.feature-icon {
  color: var(--primary);
  background: #eef8ff;
  border-color: #cdeefe;
}

.feature-index {
  color: #d8e7f8;
}

.feature-title {
  color: var(--ink);
}

.service-card,
.step-item,
.about-panel,
.about-highlight-item {
  background: #fff;
}

.service-card,
.feature-card,
.step-item {
  border-radius: 22px;
}

.service-card {
  min-height: 172px;
}

#services .section-subtitle {
  max-width: 720px;
  margin-bottom: clamp(48px, 6vw, 72px);
}

#services .service-grid {
  padding-inline: clamp(0px, 1.5vw, 24px);
}

.feature-card {
  min-height: 210px;
}

.step-item {
  min-height: 210px;
}

.about-panel-aside {
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 16%, rgba(0, 200, 255, 0.14), transparent 12rem),
    linear-gradient(145deg, #ffffff 0%, #f3faff 100%);
  border: 1px solid var(--line);
  border-radius: 22px;
}

.about-aside-tagline {
  color: var(--muted);
}

#about .about-panel {
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.85fr);
  gap: clamp(20px, 2.6vw, 34px);
  padding: clamp(20px, 2.6vw, 32px);
  overflow: visible;
  border-radius: 28px;
  background:
    radial-gradient(circle at 88% 12%, rgba(0, 200, 255, 0.08), transparent 18rem),
    #fff;
}

#about .about-panel-main {
  padding: clamp(8px, 1.2vw, 14px) 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#about .about-intro {
  max-width: 980px;
}

#about .about-highlights {
  gap: clamp(18px, 2.2vw, 28px);
  margin-top: clamp(28px, 3vw, 42px);
}

#about .about-highlight-item {
  min-height: 172px;
  padding: clamp(22px, 2.4vw, 28px);
  background: #fff;
}

.site-footer {
  background: #fff;
  border-top-color: var(--line);
  color: #7b8ca3;
}

.footer-line a,
.license-btn {
  color: var(--primary);
}

@media (max-width: 1120px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .hero-visual {
    min-height: 340px;
  }

  .hero-float-card {
    display: none;
  }

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

@media (min-width: 961px) and (max-width: 1120px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
    gap: clamp(40px, 5vw, 64px);
  }

  .hero-float-card {
    display: block;
    transform: scale(0.9);
  }

  .hero-float-card--ai {
    left: clamp(12px, 5%, 24px);
    top: 42%;
  }

  .hero-float-card--expert {
    right: clamp(12px, 5%, 24px);
    left: auto;
    top: 18%;
  }

  .hero h1 {
    font-size: clamp(32px, 3.4vw, 40px);
    letter-spacing: -0.06em;
    white-space: nowrap;
  }
}

@media (min-width: 861px) and (max-width: 960px) {
  .hero h1 {
    font-size: clamp(40px, 5.8vw, 54px);
  }
}

@media (max-width: 860px) {
  .site-nav {
    background: rgba(255, 255, 255, 0.98);
    border-top-color: var(--line);
  }

  .site-nav a {
    color: var(--ink);
    border-bottom-color: var(--line);
  }

  .site-nav .nav-recruit-link {
    display: block;
  }

  .hero {
    min-height: 100svh;
    padding: calc(var(--header-h) + 56px) var(--page-x) 64px;
  }

  .hero h1 {
    font-size: clamp(28px, 7.4vw, 40px);
    letter-spacing: -0.065em;
    white-space: nowrap;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: clamp(22px, 6.5vw, 28px);
    letter-spacing: -0.07em;
    white-space: nowrap;
  }
}

/* Responsive refinement: keep the official site balanced across devices */
@media (min-width: 1441px) {
  .section-inner,
  .footer-legal {
    width: min(100%, 1720px);
    max-width: 1720px;
  }

  #about .section-inner--about {
    width: min(calc(100% - clamp(96px, 13vw, 264px)), 1720px);
    max-width: 1720px;
  }

  .hero-inner,
  .stats-strip {
    max-width: 1720px;
  }

  .video-mockup {
    width: clamp(520px, 30vw, 620px);
  }
}

@media (max-width: 1280px) {
  :root {
    --page-x: clamp(20px, 4vw, 64px);
    --container: 1280px;
  }

  .site-nav {
    gap: clamp(12px, 1.6vw, 22px);
  }

  .hero-inner {
    gap: clamp(40px, 5.5vw, 76px);
  }

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

@media (max-width: 1024px) {
  .hero {
    min-height: auto;
    padding: calc(var(--header-h) + 56px) var(--page-x) 72px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-copy,
  .hero-tagline {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-badge,
  .hero-proof,
  .hero-actions {
    justify-content: center;
  }

  .hero-badge {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-visual {
    min-height: clamp(320px, 42vw, 460px);
    justify-items: center;
  }

  .video-mockup {
    width: min(100%, 560px);
  }

  .stats-strip {
    margin-top: clamp(12px, 2vh, 24px);
  }

  .tech-grid,
  .service-grid,
  .feature-grid,
  .steps-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-panel,
  #about .about-panel {
    grid-template-columns: minmax(0, 1fr);
    width: 100%;
    overflow: hidden;
  }

  .about-panel-aside,
  #about .about-panel-aside {
    border-right: 1px solid var(--line);
    min-width: 0;
  }

  #about .about-panel-main {
    min-width: 0;
    padding: 0;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: 64px;
    --page-x: clamp(16px, 5vw, 24px);
  }

  .header-inner {
    gap: 12px;
  }

  .brand-logo {
    width: 40px;
    height: 40px;
  }

  .hero {
    padding: calc(var(--header-h) + 48px) var(--page-x) 56px;
    gap: 32px;
  }

  .hero-copy {
    text-align: left;
  }

  .hero-badge,
  .hero-proof,
  .hero-actions {
    justify-content: flex-start;
  }

  .hero-badge {
    margin-left: 0;
  }

  .hero-tagline {
    margin-left: 0;
  }

  .hero-proof {
    gap: 10px;
    margin-top: 32px;
  }

  .hero-proof span {
    padding: 7px 10px;
    font-size: 12px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
    margin-top: 40px;
    gap: 12px;
  }

  .btn {
    width: 100%;
  }

  .hero-visual {
    min-height: auto;
  }

  .video-mockup {
    border-radius: 22px;
  }

  .video-mockup-screen {
    min-height: 220px;
  }

  .stats-inner,
  .tech-grid,
  .service-grid,
  .feature-grid,
  .steps-track,
  .about-highlights {
    grid-template-columns: 1fr;
  }

  .stat-item {
    padding: 18px 20px;
  }

  .section {
    padding-block: clamp(58px, 12vw, 78px);
    padding-inline: var(--page-x);
  }

  #about.section {
    padding-top: clamp(58px, 12vw, 78px);
  }

  #about .section-inner--about {
    width: 100%;
    max-width: none;
    padding-inline: var(--page-x);
    padding-bottom: clamp(48px, 10vw, 68px);
  }

  #about .about-panel {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    padding: 14px;
    border-radius: 22px;
  }

  #about .about-panel-aside {
    min-height: auto;
    padding: 22px;
  }

  #about .about-intro {
    max-width: none;
    word-break: normal;
    overflow-wrap: anywhere;
  }

  #about .about-highlights {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  #about .about-highlight-item {
    min-height: auto;
    padding: 20px;
  }

  .recruit-modal-card {
    padding: 24px;
    border-radius: 24px;
  }

  .app-download-card {
    padding: 24px;
    border-radius: 24px;
  }

  .app-download-grid {
    grid-template-columns: 1fr;
  }

  .app-download-qr-card {
    min-height: auto;
  }

  .app-download-qr-wrap {
    width: min(100%, 220px);
  }

  .recruit-modal-grid {
    grid-template-columns: 1fr;
  }

  .recruit-info-card {
    min-height: auto;
  }

  .recruit-modal-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .recruit-phone-link {
    width: 100%;
  }

  .section-label,
  .section-title,
  .section-subtitle {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
  }

  .section-title {
    font-size: clamp(28px, 8vw, 38px);
    letter-spacing: -0.05em;
  }

  .section-subtitle {
    margin-bottom: 28px;
    font-size: 15px;
  }

  .tech-card,
  .service-card,
  .feature-card,
  .step-item {
    min-height: auto;
    padding: 22px;
  }

  .about-panel-main,
  .about-panel-aside {
    padding: 24px;
  }
}

@media (max-width: 520px) {
  .hero h1 {
    font-size: clamp(26px, 7.2vw, 34px);
    letter-spacing: -0.075em;
  }

  .hero-tagline {
    font-size: 15px;
    line-height: 1.72;
  }

  .video-overlay-tags {
    left: 12px;
    right: 12px;
    bottom: 12px;
  }

  .video-tag {
    font-size: 11px;
  }

  .video-mockup-header,
  .video-mockup-footer {
    padding: 13px 14px;
  }
}

@media (max-width: 380px) {
  .brand-text strong {
    font-size: 15px;
  }

  .hero h1 {
    font-size: clamp(23px, 7vw, 27px);
  }

  .hero-proof span {
    width: 100%;
  }

  .video-mockup-screen {
    min-height: 190px;
  }
}

/* —— 核心能力 / 场景卡片（配图） —— */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.pillar-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 200, 255, 0.28);
  box-shadow: var(--shadow);
}

.pillar-card-media {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #020617;
  border-bottom: 1px solid rgba(148, 163, 184, 0.12);
}

.brand-logo picture,
.about-brand-mark picture,
.pillar-card-media picture,
.service-card-media picture {
  width: 100%;
  height: 100%;
  display: block;
}

.pillar-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pillar-card-body {
  padding: 22px 24px 26px;
}

.pillar-index {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.pillar-card-body h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.pillar-card-body p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.service-card--visual {
  padding: 0;
  overflow: hidden;
  min-height: 0;
}

.service-card-media {
  height: 132px;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #f7fbff, #eef6ff);
  border-bottom: 1px solid var(--line);
}

.service-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.service-card-media--icon {
  color: var(--primary);
}

.service-card-media--icon .ui-icon-wrap,
.service-card-media--icon svg {
  width: 52px;
  height: 52px;
}

.service-card--visual .service-name {
  margin: 18px 22px 8px;
}

.service-desc {
  margin: 0 22px 22px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

@media (max-width: 960px) {
  .pillar-grid {
    grid-template-columns: 1fr;
  }
}