:root {
  --bg: #080912;
  --panel: rgba(255, 255, 255, 0.075);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --line: rgba(255, 255, 255, 0.18);
  --text: #f6f9ff;
  --muted: #a8b2cc;
  --blue: #2f7dff;
  --cyan: #5ee7ff;
  --gold: #ffd252;
  --pink: #ff4f9a;
  --green: #65f0b7;
  --ink: #080912;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(180deg, #070812 0%, #111123 42%, #0a0f16 100%);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}

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

#signal-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  opacity: 0.42;
  pointer-events: none;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 76px;
  padding: 0 clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(94, 231, 255, 0.18);
  background: rgba(8, 9, 18, 0.72);
  backdrop-filter: blur(18px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-size: 18px;
  font-weight: 950;
  letter-spacing: 0;
}

.brand-mark img {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 8px;
  object-fit: cover;
  background: #fff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.5vw, 30px);
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  transition: color 180ms ease;
}

.nav-links a:hover {
  color: var(--cyan);
}

main {
  position: relative;
  z-index: 1;
}

.hero {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 84vh;
  padding: 118px clamp(20px, 5vw, 72px) 58px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(47, 125, 255, 0.16), transparent 34%, rgba(255, 210, 82, 0.12)),
    radial-gradient(circle at 50% 38%, rgba(94, 231, 255, 0.18), transparent 38%);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 76px clamp(18px, 4vw, 60px) 28px;
  border: 1px solid rgba(94, 231, 255, 0.22);
  clip-path: polygon(0 0, calc(100% - 40px) 0, 100% 40px, 100% 100%, 40px 100%, 0 calc(100% - 40px));
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  opacity: 0.32;
  background-image:
    linear-gradient(rgba(94, 231, 255, 0.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 231, 255, 0.10) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, transparent 0, #000 14%, #000 80%, transparent 100%);
}

.hero-core {
  position: relative;
  z-index: 2;
  display: grid;
  justify-items: center;
  width: min(980px, 100%);
  text-align: center;
}

.status-line {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 10px;
  align-items: center;
  margin-bottom: 20px;
}

.status-line span {
  min-height: 30px;
  padding: 6px 12px;
  border: 1px solid rgba(94, 231, 255, 0.34);
  background: rgba(8, 9, 18, 0.68);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 1px;
}

.hero-logo {
  width: min(440px, 72vw);
  aspect-ratio: 1 / 1;
  object-fit: contain;
  filter: drop-shadow(0 28px 52px rgba(47, 125, 255, 0.32));
  animation: logoFloat 4.8s ease-in-out infinite;
}

h1 {
  margin: 10px 0 0;
  font-size: clamp(64px, 12vw, 154px);
  line-height: 0.92;
  letter-spacing: 0;
  text-shadow:
    0 0 24px rgba(94, 231, 255, 0.28),
    0 8px 0 rgba(47, 125, 255, 0.20);
}

.hero-claim {
  margin: 22px 0 0;
  color: var(--gold);
  font-size: clamp(22px, 3.6vw, 44px);
  line-height: 1.16;
  font-weight: 950;
}

.hero-copy {
  width: min(760px, 100%);
  margin: 18px 0 0;
  color: var(--muted);
  font-size: clamp(16px, 2vw, 22px);
  line-height: 1.7;
  font-weight: 700;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 136px;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 15px;
  font-weight: 950;
  font-family: inherit;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.button.primary {
  border-color: rgba(94, 231, 255, 0.72);
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  color: #041018;
  box-shadow: 0 0 26px rgba(94, 231, 255, 0.22);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.07);
  color: var(--text);
}

.metrics {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  width: min(1180px, calc(100% - 40px));
  margin: -26px auto 0;
  border: 1px solid rgba(94, 231, 255, 0.22);
  background: rgba(94, 231, 255, 0.16);
}

.metric {
  min-height: 112px;
  padding: 24px;
  background: rgba(9, 13, 27, 0.88);
}

.metric strong {
  display: block;
  color: var(--text);
  font-size: clamp(22px, 2.6vw, 34px);
  line-height: 1.1;
}

.metric span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.band {
  padding: clamp(72px, 9vw, 116px) clamp(20px, 5vw, 72px);
}

.section-heading {
  width: min(1180px, 100%);
  margin: 0 auto 32px;
}

.section-heading span {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: 2px;
}

.section-heading h2 {
  margin: 12px 0 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: 0;
}

.feature-grid,
.role-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.feature-card,
.role-card,
.service-card {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.065);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.feature-card {
  min-height: 250px;
  padding: 28px;
}

.feature-card b {
  color: var(--gold);
  font-size: 18px;
}

.feature-card h3,
.service-card h3,
.role-card h3 {
  margin: 16px 0 0;
  font-size: 26px;
  line-height: 1.2;
}

.feature-card p,
.service-card p,
.role-card p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
  font-weight: 700;
}

.strength {
  background:
    linear-gradient(180deg, rgba(8, 9, 18, 0), rgba(255, 79, 154, 0.08));
}

.services {
  background: rgba(255, 255, 255, 0.025);
}

.service-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.service-card {
  min-height: 220px;
  padding: 26px;
  background:
    linear-gradient(135deg, rgba(47, 125, 255, 0.10), rgba(255, 255, 255, 0.045));
}

.service-card.wide {
  grid-column: span 2;
}

.service-card span,
.role-card span {
  display: inline-flex;
  min-height: 28px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 210, 82, 0.42);
  color: var(--gold);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 1px;
}

.players {
  background:
    linear-gradient(90deg, rgba(101, 240, 183, 0.08), transparent 42%, rgba(47, 125, 255, 0.08));
}

.pricing {
  background:
    linear-gradient(180deg, rgba(47, 125, 255, 0.08), rgba(255, 210, 82, 0.045)),
    rgba(255, 255, 255, 0.025);
}

.price-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  width: min(1180px, 100%);
  margin: 0 auto;
}

.price-preview {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 860px;
  overflow: hidden;
  border: 1px solid rgba(94, 231, 255, 0.22);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(94, 231, 255, 0.10), rgba(255, 255, 255, 0.05)),
    rgba(8, 9, 18, 0.62);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.preview-copy {
  padding: 24px 24px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.preview-copy span {
  display: inline-flex;
  min-height: 28px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 210, 82, 0.42);
  color: var(--gold);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 1px;
}

.preview-copy h3 {
  margin: 16px 0 0;
  font-size: 28px;
  line-height: 1.18;
}

.preview-copy p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
  font-weight: 700;
}

.preview-frame {
  position: relative;
  display: grid;
  place-items: start center;
  min-height: 0;
  padding: 18px;
  background:
    linear-gradient(rgba(94, 231, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 231, 255, 0.06) 1px, transparent 1px),
    rgba(255, 255, 255, 0.035);
  background-size: 34px 34px;
}

.preview-frame::after {
  content: "点击查看完整长图";
  position: absolute;
  right: 18px;
  bottom: 18px;
  padding: 8px 10px;
  border: 1px solid rgba(94, 231, 255, 0.34);
  border-radius: 4px;
  background: rgba(8, 9, 18, 0.78);
  color: var(--cyan);
  font-size: 12px;
  font-weight: 900;
}

.preview-frame img {
  width: min(100%, 460px);
  height: 680px;
  object-fit: contain;
  object-position: top center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.role-list {
  grid-template-columns: repeat(4, 1fr);
}

.role-card {
  min-height: 238px;
  padding: 26px;
}

.role-card span {
  margin-top: 22px;
  border-color: rgba(94, 231, 255, 0.44);
  color: var(--cyan);
}

.contact-band {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 480px);
  gap: 32px;
  align-items: center;
  padding: clamp(72px, 9vw, 112px) clamp(20px, 5vw, 72px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(90deg, rgba(47, 125, 255, 0.18), rgba(255, 210, 82, 0.09)),
    #090b16;
}

.contact-copy,
.contact-panel {
  width: min(1180px, 100%);
}

.contact-copy span {
  color: var(--green);
  font-size: 13px;
  font-weight: 950;
  letter-spacing: 2px;
}

.contact-copy h2 {
  margin: 12px 0 0;
  font-size: clamp(40px, 6vw, 78px);
  line-height: 1.02;
}

.contact-copy p {
  max-width: 680px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
  font-weight: 700;
}

.contact-panel {
  display: grid;
  gap: 18px;
  padding: 28px;
  border: 1px solid rgba(94, 231, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.07);
}

.contact-panel small {
  color: var(--cyan);
  font-size: 12px;
  font-weight: 950;
  letter-spacing: 2px;
}

.contact-panel strong {
  display: block;
  margin-top: 8px;
  color: var(--gold);
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.05;
}

.copy-state {
  min-height: 20px;
  color: var(--green);
  font-size: 13px;
  font-weight: 850;
}

@keyframes logoFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (max-width: 900px) {
  .site-header {
    height: auto;
    min-height: 72px;
    align-items: flex-start;
    flex-direction: column;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    font-size: 13px;
  }

  .hero {
    min-height: 88vh;
    padding-top: 144px;
  }

  .status-line {
    grid-template-columns: 1fr;
    width: min(360px, 100%);
  }

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

  .feature-grid,
  .role-list,
  .service-board,
  .price-gallery,
  .contact-band {
    grid-template-columns: 1fr;
  }

  .service-card.wide {
    grid-column: auto;
  }
}

@media (max-width: 560px) {
  .brand-mark span {
    font-size: 16px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .nav-links a {
    min-height: 32px;
    margin-right: 10px;
  }

  .hero {
    min-height: 86vh;
    padding-left: 16px;
    padding-right: 16px;
  }

  .hero::before {
    inset: 126px 14px 18px;
  }

  .hero-logo {
    width: min(320px, 78vw);
  }

  .hero-actions {
    width: 100%;
  }

  .button {
    flex: 1;
    min-width: 0;
  }

  .metrics {
    width: calc(100% - 24px);
    grid-template-columns: 1fr;
  }

  .metric {
    min-height: 94px;
  }

  .band,
  .contact-band {
    padding-left: 16px;
    padding-right: 16px;
  }

  .feature-card,
  .role-card,
  .service-card,
  .preview-copy,
  .contact-panel {
    padding: 22px;
  }

  .price-preview {
    min-height: 760px;
  }

  .preview-frame {
    padding: 14px;
  }

  .preview-frame img {
    width: 100%;
    height: 560px;
  }
}