:root {
  --ink: #f4fbff;
  --muted: #9fb4bf;
  --panel: #111820;
  --panel-2: #171d26;
  --line: rgba(0, 245, 235, 0.26);
  --cyan: #00f5eb;
  --magenta: #ff00df;
  --gold: #e2a83b;
  --paper: #eef2f5;
  --dark: #070b10;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.38);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--dark);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(18px, 5vw, 70px);
  color: #fff;
  background: linear-gradient(180deg, rgba(7, 11, 16, 0.86), rgba(7, 11, 16, 0));
}

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

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--cyan);
  border-radius: 8px;
  color: var(--cyan);
  background: rgba(0, 245, 235, 0.08);
  box-shadow: 0 0 24px rgba(0, 245, 235, 0.35);
  font-weight: 900;
}

.brand strong,
.brand small {
  display: block;
  white-space: nowrap;
}

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

.brand small {
  color: rgba(255, 255, 255, 0.7);
  font-size: 11px;
  letter-spacing: 0;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 32px);
  font-size: 14px;
}

.nav a {
  color: rgba(255, 255, 255, 0.86);
}

.hero {
  position: relative;
  min-height: 96vh;
  overflow: hidden;
  background: #0a0f16;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 52% 50%;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 11, 16, 0.94) 0%, rgba(7, 11, 16, 0.74) 38%, rgba(7, 11, 16, 0.16) 100%),
    linear-gradient(0deg, rgba(7, 11, 16, 0.94) 0%, rgba(7, 11, 16, 0.08) 44%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(720px, calc(100% - 36px));
  padding: 170px 0 210px clamp(18px, 6vw, 86px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  max-width: 720px;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.16;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 21px;
  line-height: 1.25;
}

.lead {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
}

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

.button,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 900;
  cursor: pointer;
}

.button.primary,
.contact-form button {
  color: #031013;
  background: var(--cyan);
  box-shadow: 0 0 28px rgba(0, 245, 235, 0.28);
}

.button.ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.34);
  background: rgba(255, 255, 255, 0.08);
}

.hero-panel {
  position: absolute;
  z-index: 4;
  right: clamp(18px, 5vw, 72px);
  bottom: 34px;
  display: grid;
  grid-template-columns: repeat(3, minmax(96px, 1fr));
  width: min(540px, calc(100% - 36px));
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(10, 15, 22, 0.82);
  box-shadow: var(--shadow);
}

.hero-panel div {
  padding: 18px;
  border-right: 1px solid rgba(0, 245, 235, 0.16);
}

.hero-panel div:last-child {
  border-right: 0;
}

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

.hero-panel strong {
  color: var(--cyan);
  font-size: 23px;
}

.hero-panel span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

.section {
  padding: clamp(72px, 9vw, 116px) clamp(18px, 5vw, 72px);
}

.section-heading {
  width: min(860px, 100%);
  margin-bottom: 38px;
}

.section-heading p:not(.eyebrow),
.spec-copy p,
.contact p {
  color: var(--muted);
  font-size: 18px;
}

.intro,
.scenes {
  background: #0d131b;
}

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

.feature-card,
.scene-grid article {
  min-height: 246px;
  padding: 28px;
  border: 1px solid rgba(0, 245, 235, 0.2);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(23, 29, 38, 0.98), rgba(12, 18, 26, 0.98));
  box-shadow: inset 0 0 0 1px rgba(255, 0, 223, 0.04);
}

.feature-card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 28px;
  border-radius: 8px;
  color: #061012;
  background: var(--cyan);
  font-weight: 900;
}

.feature-card:nth-child(2) .icon {
  color: #fff;
  background: var(--magenta);
}

.feature-card:nth-child(3) .icon {
  background: var(--gold);
}

.feature-card p,
.scene-grid p,
.timeline span {
  color: var(--muted);
}

.showcase {
  background: var(--paper);
  color: #101820;
}

.showcase .eyebrow {
  color: #008e89;
}

.showcase .section-heading p:not(.eyebrow) {
  color: #5a6973;
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 18px;
}

.gallery-grid figure {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 44px rgba(18, 24, 32, 0.12);
}

.gallery-grid img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.gallery-main {
  grid-row: span 2;
}

.gallery-main img {
  height: calc(100% - 64px);
  min-height: 520px;
}

figcaption {
  min-height: 64px;
  padding: 14px 16px;
  color: #52616b;
  font-size: 14px;
}

.specs {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(380px, 1.1fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  background:
    linear-gradient(120deg, rgba(7, 11, 16, 0.96), rgba(7, 11, 16, 0.86)),
    linear-gradient(135deg, var(--cyan), var(--magenta));
}

.spec-table {
  overflow: hidden;
  border: 1px solid rgba(0, 245, 235, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.spec-table div {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 18px;
  padding: 22px;
  border-bottom: 1px solid rgba(0, 245, 235, 0.12);
}

.spec-table div:last-child {
  border-bottom: 0;
}

.spec-table span {
  color: rgba(255, 255, 255, 0.58);
}

.films {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.78fr);
  gap: clamp(28px, 5vw, 70px);
  align-items: center;
  background: #0d131b;
}

.film-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
}

.film-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0;
}

.film-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid rgba(0, 245, 235, 0.24);
  border-radius: 8px;
  color: var(--cyan);
  background: rgba(0, 245, 235, 0.07);
  font-size: 14px;
  font-weight: 800;
}

.film-points {
  display: grid;
  gap: 12px;
}

.film-points article {
  padding: 18px;
  border-left: 3px solid var(--magenta);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.film-points strong,
.film-points span {
  display: block;
}

.film-points strong {
  margin-bottom: 4px;
  color: #fff;
}

.film-points span {
  color: var(--muted);
}

.film-poster {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(0, 245, 235, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: var(--shadow);
}

.film-poster img {
  width: 100%;
  max-height: 760px;
  object-fit: contain;
  background: #07101a;
}

.film-poster figcaption {
  color: rgba(255, 255, 255, 0.74);
}

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

.operation {
  background: #eef2f5;
  color: #101820;
}

.operation .eyebrow {
  color: #008e89;
}

.operation .section-heading p:not(.eyebrow) {
  color: #5a6973;
}

.data-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.data-cards article {
  min-height: 176px;
  padding: 26px;
  border: 1px solid rgba(0, 142, 137, 0.18);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 44px rgba(18, 24, 32, 0.08);
}

.data-cards span,
.data-cards small {
  display: block;
  color: #667782;
}

.data-cards strong {
  display: block;
  margin: 8px 0 10px;
  color: #0d151d;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.1;
}

.ops-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.ops-gallery img {
  width: 100%;
  max-height: 680px;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 18px 44px rgba(18, 24, 32, 0.12);
}

.delivery {
  background: #111820;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline li {
  min-height: 176px;
  padding: 26px;
  border-left: 4px solid var(--cyan);
  border-radius: 8px;
  background: var(--panel-2);
}

.timeline strong,
.timeline span {
  display: block;
}

.timeline strong {
  margin-bottom: 14px;
  font-size: 20px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 0.76fr);
  gap: clamp(28px, 6vw, 80px);
  padding: clamp(72px, 9vw, 112px) clamp(18px, 5vw, 72px);
  background:
    linear-gradient(120deg, rgba(7, 11, 16, 0.98), rgba(7, 11, 16, 0.76)),
    url("./assets/bermuda-entrance-angle.png") center / cover;
}

.contact-list {
  display: grid;
  gap: 10px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.88);
}

.contact-list strong {
  color: var(--cyan);
}

.qr-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 190px));
  gap: 16px;
  margin-top: 26px;
}

.qr-grid figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(0, 245, 235, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
}

.qr-grid img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.qr-grid figcaption {
  min-height: auto;
  padding: 10px;
  color: #111820;
  text-align: center;
  font-weight: 800;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid rgba(0, 245, 235, 0.22);
  border-radius: 8px;
  background: rgba(10, 15, 22, 0.82);
  backdrop-filter: blur(6px);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
  font-weight: 800;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(0, 245, 235, 0.22);
  border-radius: 8px;
  padding: 13px 14px;
  color: #fff;
  background: rgba(4, 10, 17, 0.54);
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.38);
}

.form-note {
  margin: -2px 0 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

@media (max-width: 980px) {
  .feature-grid,
  .scene-grid,
  .timeline,
  .specs,
  .contact,
  .films,
  .gallery-grid,
  .data-cards,
  .ops-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .gallery-main {
    grid-row: auto;
    grid-column: span 2;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: absolute;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .brand strong {
    white-space: normal;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    min-height: 820px;
  }

  .hero-content {
    width: 100%;
    padding: 154px 18px 270px;
  }

  .lead {
    font-size: 17px;
  }

  .hero-panel {
    left: 18px;
    right: 18px;
    grid-template-columns: 1fr;
    width: auto;
  }

  .hero-panel div {
    border-right: 0;
    border-bottom: 1px solid rgba(0, 245, 235, 0.16);
  }

  .hero-panel div:last-child {
    border-bottom: 0;
  }

  .feature-grid,
  .scene-grid,
  .timeline,
  .specs,
  .contact,
  .films,
  .gallery-grid,
  .data-cards,
  .ops-gallery {
    grid-template-columns: 1fr;
  }

  .qr-grid {
    grid-template-columns: 1fr;
    max-width: 240px;
  }

  .gallery-main {
    grid-column: auto;
  }

  .gallery-main img {
    min-height: auto;
    height: auto;
  }

  .spec-table div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}