:root {
  --bg-1: #161f5b;
  --bg-2: #2a4aa3;
  --bg-3: #4c6fd3;
  --text: rgba(255, 255, 255, 0.96);
  --body: rgba(244, 248, 255, 0.92);
  --line: rgba(255, 255, 255, 0.16);
  --glass: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 50px rgba(8, 14, 42, 0.34);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(55% 70% at 12% 18%, rgba(172, 120, 255, 0.35) 0%, rgba(172, 120, 255, 0.08) 52%, transparent 100%),
    radial-gradient(50% 76% at 88% 10%, rgba(99, 162, 255, 0.34) 0%, rgba(99, 162, 255, 0.08) 50%, transparent 100%),
    linear-gradient(128deg, var(--bg-1) 0%, var(--bg-2) 44%, var(--bg-3) 100%);
  min-height: 100vh;
}

.bg-aurora {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(44px);
  opacity: 0.62;
}

.blob-a {
  width: 320px;
  height: 320px;
  left: -100px;
  top: 40px;
  background: #c79fff;
}

.blob-b {
  width: 360px;
  height: 360px;
  right: -120px;
  top: 24%;
  background: #87c3ff;
}

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

.glass-panel {
  background:
    linear-gradient(132deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.07)),
    radial-gradient(120% 120% at 0% 0%, rgba(191, 164, 255, 0.16), rgba(132, 185, 255, 0.04));
  border: 1px solid var(--line);
  backdrop-filter: blur(14px) saturate(145%);
  -webkit-backdrop-filter: blur(14px) saturate(145%);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.24);
  border-radius: 26px;
}

.site-header {
  position: sticky;
  top: 10px;
  z-index: 20;
  width: min(1120px, 92vw);
  margin: 10px auto 0;
}

.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 700;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  object-fit: cover;
}

.site-nav {
  display: flex;
  gap: 18px;
}

.site-nav a {
  color: var(--body);
  text-decoration: none;
  font-size: 14px;
  padding: 6px 4px;
  border-radius: 8px;
  transition: color .2s ease, background .2s ease;
}

.site-nav a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.site-nav a.is-active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.screen {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 56px 0 52px;
}

.hero-screen {
  padding-top: 24px;
  min-height: calc(100svh - 74px);
}

.panel {
  padding: 34px;
}

.intro-panel {
  overflow: hidden;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 16px;
  align-items: center;
}

.intro-copy p {
  margin-bottom: 0;
}

.hero-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}

.intro-media {
  margin: 0;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
}

.intro-media img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

.chip {
  display: inline-block;
  margin: 0 0 12px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.12);
  font-size: 12px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(34px, 5vw, 56px);
  margin-bottom: 14px;
  line-height: 1.08;
}

h2 {
  font-size: clamp(26px, 3vw, 38px);
  margin-bottom: 10px;
}

h3 {
  font-size: 26px;
  margin-bottom: 10px;
}

p { color: var(--body); line-height: 1.72; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
  transition: transform .2s ease, filter .2s ease, background .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.06);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 13px;
}

.btn-primary {
  border: none;
  background: linear-gradient(135deg, #78adff, #8f64ff);
  box-shadow: 0 10px 24px rgba(93, 86, 223, 0.34);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.38);
}

.section-head { margin-bottom: 16px; }

.product-list {
  display: grid;
  gap: 16px;
}

.product-card {
  padding: 22px;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 14px;
  align-items: center;
  transition: transform .2s ease, filter .2s ease;
}

.product-copy {
  max-width: 560px;
}

.product-positioning {
  font-weight: 500;
}

.nearu-slogan {
  margin: -2px 0 4px;
  font-size: 14px;
  color: rgba(248, 251, 255, 0.95);
}

.nearu-subtitle {
  margin: 0 0 8px;
  font-size: 13px;
  color: rgba(239, 246, 255, 0.82);
}

.badge-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 10px 0 6px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.feature-grid-title {
  margin: 14px 0 8px;
  font-size: 13px;
  letter-spacing: 1px;
  color: rgba(245, 248, 255, 0.86);
  text-transform: uppercase;
}

.value-list {
  margin: 10px 0 0;
  padding-left: 18px;
}

.value-list li {
  margin-bottom: 6px;
}

.nearu-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.nearu-feature-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

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

.nearu-card {
  grid-template-columns: 1.02fr 0.98fr;
}

.nearu-card .carousel {
  height: 520px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 10px 18px rgba(5, 10, 30, 0.2), inset 0 -10px 18px rgba(5, 10, 30, 0.2);
}

.nearu-card .carousel::before,
.nearu-card .carousel::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  z-index: 2;
  pointer-events: none;
}

.nearu-card .carousel::before {
  top: 34px;
  height: 8px;
  background: linear-gradient(180deg, rgba(8, 14, 42, 0.16), rgba(8, 14, 42, 0));
}

.nearu-card .carousel::after {
  bottom: 34px;
  height: 8px;
  background: linear-gradient(0deg, rgba(8, 14, 42, 0.16), rgba(8, 14, 42, 0));
}

.nearu-card .carousel-track {
  flex: 1;
}

.nearu-card .carousel-slide {
  height: 100%;
  padding: 24px 20px;
  box-sizing: border-box;
  object-fit: contain;
  object-position: center;
  background: rgba(8, 14, 42, 0.42);
}

.nearu-card .carousel {
  cursor: default;
}

.nearu-dual-grid {
  height: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: 18px 16px;
  align-items: center;
  justify-items: center;
}

.dual-frame {
  width: min(100%, 230px);
  height: auto;
  aspect-ratio: 9 / 19;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 28px;
  padding: 10px 8px;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 14px 28px rgba(4, 8, 24, 0.26);
  cursor: default;
  transition: transform .2s ease, filter .2s ease, border-color .2s ease;
}

.dual-frame:hover {
  transform: translateY(-2px);
  filter: brightness(1.03);
  border-color: rgba(255, 255, 255, 0.22);
}

.dual-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  object-position: center top;
  border-radius: 20px;
  padding: 2px;
  background: rgba(6, 12, 34, 0.42);
}

.feature-card {
  padding: 10px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.075);
  cursor: default;
  transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.11);
  box-shadow: 0 10px 22px rgba(8, 14, 42, 0.22);
}

.feature-card h4 {
  display: inline-block;
  vertical-align: middle;
  margin: 0 0 6px;
  font-size: 14px;
}

.feature-card p {
  margin: 0;
  font-size: 12px;
  line-height: 1.5;
  color: rgba(244, 248, 255, 0.78);
}

.feature-icon {
  display: inline-block;
  vertical-align: middle;
  margin-right: 6px;
  font-size: 16px;
}

.feature-card::after {
  content: "";
  display: none;
}

.product-card:hover {
  transform: translateY(-3px);
  filter: brightness(1.04);
}

.carousel {
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.08);
  cursor: zoom-in;
}

.static-nearu,
.static-screen {
  cursor: default;
}

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

.screen-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 12px;
}

.screen-gallery img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(9, 15, 40, 0.28);
}

.carousel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.carousel-head strong {
  font-size: 12px;
  color: rgba(250, 252, 255, 0.9);
  font-weight: 600;
}

.mock-dots {
  display: flex;
  gap: 5px;
}

.mock-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
}

.carousel-track {
  display: flex;
  transition: transform 0.55s ease;
}

.carousel-slide {
  width: 100%;
  flex: 0 0 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  background: rgba(255, 255, 255, 0.08);
}

.carousel-dots {
  display: flex;
  gap: 6px;
  justify-content: center;
  padding: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.carousel-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.34);
  cursor: pointer;
  transition: transform .2s ease, background .2s ease;
}

.carousel-dot.is-active {
  background: #fff;
  transform: scale(1.3);
}

.about-contact {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.about-contact p {
  margin-bottom: 6px;
}

.site-footer {
  padding: 16px 0 26px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  justify-content: center;
  color: rgba(242, 247, 255, 0.74);
  font-size: 13px;
}

.footer-inner a {
  color: rgba(244, 248, 255, 0.86);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.26);
  transition: color .2s ease, border-color .2s ease;
}

.footer-inner a:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.55);
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 90;
}

.modal.is-open {
  display: flex;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 12, 30, 0.62);
}

.modal-panel {
  position: relative;
  z-index: 1;
  width: min(540px, 92vw);
  padding: 22px;
}

.modal-panel-wide {
  width: min(860px, 94vw);
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  cursor: pointer;
}

.viewer-main-wrap {
  display: grid;
  grid-template-columns: 42px 1fr 42px;
  align-items: center;
  gap: 8px;
}

.viewer-main-wrap img {
  width: 100%;
  max-height: 70svh;
  object-fit: contain;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

.viewer-nav {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}

@media (max-width: 1199px) {
  .screen { min-height: 90svh; }

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

  .intro-media img {
    height: 240px;
  }

  .nearu-card .carousel {
    height: 440px;
  }
}

@media (max-width: 767px) {
  .screen {
    min-height: auto;
    padding: 66px 0 42px;
  }

  .nav-wrap {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-nav {
    width: 100%;
    flex-wrap: wrap;
    gap: 10px 16px;
  }

  .hero-screen {
    padding-top: 14px;
    min-height: auto;
  }

  .panel,
  .product-card {
    padding: 18px;
  }

  .product-card {
    grid-template-columns: 1fr;
  }

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

  .nearu-card .carousel {
    height: 360px;
  }

  .nearu-dual-grid {
    gap: 12px;
    padding: 12px;
  }

  .dual-frame {
    width: min(100%, 190px);
    border-radius: 22px;
    padding: 8px 6px;
  }

  .dual-image {
    border-radius: 16px;
  }

  .carousel-slide {
    height: 200px;
  }

  .screen-gallery {
    grid-template-columns: 1fr;
  }

  .screen-gallery img {
    height: 180px;
  }

  .intro-media img {
    height: 210px;
  }

  .viewer-main-wrap {
    grid-template-columns: 34px 1fr 34px;
  }

  .viewer-nav {
    width: 34px;
    height: 34px;
  }
}

@media (max-width: 479px) {
  .nearu-feature-grid {
    grid-template-columns: 1fr;
  }

  .nearu-card .carousel {
    height: 320px;
  }

  .nearu-dual-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 10px;
  }

  .dual-frame {
    width: 100%;
    border-radius: 18px;
    padding: 6px 4px;
  }

  .dual-image {
    border-radius: 12px;
  }

  .screen-gallery img {
    height: 150px;
  }
}

.feature-card:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
}