:root {
  --bg: #070a12;
  --panel: #101522;
  --line: rgba(255, 255, 255, 0.09);
  --text: #f6f7fb;
  --muted: #a8b0c2;
  --lime: #b8ff5c;
  --purple: #8c6cff;
  --cyan: #55e5ff;
  --radius: 24px;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
.ambient {
  position: fixed;
  z-index: -1;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.16;
}
.ambient-one {
  background: var(--purple);
  top: -180px;
  right: -130px;
}
.ambient-two {
  background: var(--cyan);
  left: -280px;
  top: 520px;
}
.site-header {
  height: 76px;
  max-width: 1180px;
  margin: auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 11px;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--lime), var(--cyan));
  color: #07100a;
  font-size: 14px;
  box-shadow: 0 0 24px rgba(184, 255, 92, 0.25);
}
nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: #c7ccda;
  font-size: 14px;
}
nav a:hover {
  color: white;
}
.nav-cta {
  padding: 9px 16px;
  background: #fff;
  color: #080b12;
  border-radius: 999px;
  font-weight: 700;
}
.hero {
  max-width: 1180px;
  min-height: 640px;
  margin: auto;
  padding: 84px 24px 70px;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 70px;
  align-items: center;
}
.eyebrow,
.kicker {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  color: var(--lime);
  text-transform: uppercase;
}
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}
.eyebrow span {
  width: 32px;
  height: 1px;
  background: var(--lime);
}
h1 {
  font-size: clamp(48px, 6.6vw, 88px);
  line-height: 1.02;
  letter-spacing: -0.055em;
  margin: 22px 0 24px;
  max-width: 750px;
  background: linear-gradient(110deg, #fff 12%, #d5dcf6 58%, #98a8d8);
  -webkit-background-clip: text;
  color: transparent;
}
.hero-lead {
  font-size: 18px;
  color: var(--muted);
  max-width: 640px;
  margin: 0 0 34px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 14px;
  font-weight: 800;
  transition:
    0.2s transform,
    0.2s box-shadow;
}
.button:hover {
  transform: translateY(-2px);
}
.button-primary {
  background: var(--lime);
  color: #0a1007;
  box-shadow: 0 12px 40px rgba(184, 255, 92, 0.18);
}
.button-ghost {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}
.trust {
  margin-top: 24px;
  color: #8f98aa;
  font-size: 13px;
}
.trust span {
  color: var(--lime);
  margin-right: 8px;
}
.hero-visual {
  min-height: 460px;
  position: relative;
  border: 1px solid var(--line);
  border-radius: 36px;
  background: linear-gradient(
    145deg,
    rgba(140, 108, 255, 0.12),
    rgba(85, 229, 255, 0.03)
  );
  overflow: hidden;
}
.hero-visual > img {
  width: 100%;
  height: 100%;
  min-height: 460px;
  object-fit: cover;
}
.visual-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, black, transparent);
}
.visual-card {
  position: absolute;
  z-index: 2;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(14, 19, 31, 0.78);
  backdrop-filter: blur(14px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35);
}
.main-card {
  left: 11%;
  right: 11%;
  top: 28%;
  padding: 24px;
  border-radius: 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  transform: rotate(-2deg);
}
.orb {
  width: 74px;
  height: 74px;
  display: grid;
  place-items: center;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--purple), var(--cyan));
  font-size: 25px;
  font-weight: 900;
}
.main-card strong,
.main-card span {
  display: block;
}
.main-card strong {
  font-size: 19px;
}
.main-card span {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
}
.mini-card {
  padding: 14px 18px;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
}
.mini-card b {
  font-size: 22px;
}
.mini-card span {
  font-size: 11px;
  color: var(--muted);
}
.card-a {
  right: 5%;
  top: 12%;
  transform: rotate(5deg);
}
.card-b {
  left: 5%;
  bottom: 13%;
  transform: rotate(-5deg);
}
.announcement {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 22px;
  color: #dbe0ec;
  font-size: 13px;
  background: rgba(255, 255, 255, 0.02);
}
.announcement span {
  color: var(--lime);
}
.section {
  max-width: 1180px;
  margin: auto;
  padding: 110px 24px;
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  margin-bottom: 42px;
}
.section-heading h2 {
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.12;
  letter-spacing: -0.035em;
  margin: 12px 0 0;
}
.section-heading > p {
  max-width: 400px;
  color: var(--muted);
  margin: 0;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}
.product-card {
  background: linear-gradient(
    145deg,
    rgba(255, 255, 255, 0.065),
    rgba(255, 255, 255, 0.025)
  );
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition:
    0.25s transform,
    0.25s border-color;
}
.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(184, 255, 92, 0.4);
}
.product-image {
  height: 220px;
  position: relative;
  background: #151a28;
  overflow: hidden;
}
.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.image-placeholder {
  display: grid;
  place-items: center;
  background:
    radial-gradient(
      circle at 30% 25%,
      rgba(85, 229, 255, 0.3),
      transparent 32%
    ),
    radial-gradient(
      circle at 70% 70%,
      rgba(140, 108, 255, 0.36),
      transparent 38%
    ),
    #111724;
}
.image-placeholder > span {
  font-size: 62px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.78);
  letter-spacing: -0.08em;
}
.product-image em {
  position: absolute;
  left: 16px;
  top: 16px;
  background: var(--lime);
  color: #0c1209;
  padding: 5px 10px;
  border-radius: 999px;
  font-style: normal;
  font-size: 11px;
  font-weight: 900;
}
.product-body {
  padding: 24px;
}
.product-body h3 {
  font-size: 21px;
  margin: 0 0 10px;
}
.product-body p {
  color: var(--muted);
  font-size: 14px;
  min-height: 68px;
  margin: 0 0 22px;
}
.product-footer {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.product-footer strong {
  font-size: 15px;
}
.product-footer a {
  font-size: 13px;
  color: var(--lime);
  font-weight: 800;
}
.advantages {
  padding-top: 40px;
}
.centered {
  justify-content: center;
  text-align: center;
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.guide-grid article {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.018));
}
.guide-grid span {
  color: var(--lime);
  font-size: 12px;
  font-weight: 900;
}
.guide-grid h3 {
  margin: 25px 0 10px;
  font-size: 20px;
}
.guide-grid p {
  color: var(--muted);
  margin: 0;
  font-size: 14px;
}
.detail-main {
  max-width: 1180px;
  margin: auto;
  padding: 36px 24px 110px;
}
.breadcrumb {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 28px;
}
.breadcrumb a:hover {
  color: var(--lime);
}
.detail-hero {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: stretch;
}
.detail-media {
  min-height: 430px;
  border-radius: 30px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: radial-gradient(circle at 30% 25%, rgba(85, 229, 255, 0.3), transparent 32%), radial-gradient(circle at 70% 70%, rgba(140, 108, 255, 0.36), transparent 38%), #111724;
  display: grid;
  place-items: center;
}
.detail-media img {
  width: 100%;
  height: 100%;
  min-height: 430px;
  object-fit: cover;
}
.detail-media strong {
  font-size: 82px;
  letter-spacing: -0.08em;
  color: rgba(255, 255, 255, 0.8);
}
.detail-copy {
  padding: 34px 0;
}
.detail-tag {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  color: #0b1208;
  background: var(--lime);
  font-size: 12px;
  font-weight: 900;
}
.detail-copy h1 {
  font-size: clamp(42px, 6vw, 72px);
  margin: 22px 0;
}
.detail-description {
  color: var(--muted);
  font-size: 18px;
  margin-bottom: 28px;
}
.detail-price {
  display: block;
  margin-bottom: 22px;
  font-size: 17px;
}
.detail-note {
  color: #8f98aa;
  font-size: 12px;
  margin-top: 18px;
}
.detail-panels {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 50px;
}
.detail-panels article {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
}
.detail-panels h2 {
  font-size: 18px;
  margin: 0 0 12px;
}
.detail-panels p {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.feature-grid article {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
}
.feature-number {
  color: var(--lime);
  font-size: 12px;
  font-weight: 900;
}
.feature-grid h3 {
  font-size: 20px;
  margin: 30px 0 8px;
}
.feature-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}
.final-cta {
  max-width: 1132px;
  margin: 20px auto 110px;
  padding: 78px 24px;
  text-align: center;
  border-radius: 32px;
  background: linear-gradient(125deg, #7556ef, #5b8ef3 55%, #3fb6d0);
  box-shadow: 0 35px 90px rgba(92, 93, 235, 0.22);
}
.final-cta .kicker {
  color: #e8ffca;
}
.final-cta h2 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin: 14px auto;
}
.final-cta p {
  max-width: 600px;
  margin: 0 auto 28px;
  color: #e9ebff;
}
.button-light {
  background: #fff;
  color: #10131c;
}
footer {
  max-width: 1180px;
  margin: auto;
  padding: 28px 24px 42px;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 25px;
  color: #7f889b;
  font-size: 12px;
}
footer p {
  text-align: center;
}
footer > span {
  text-align: right;
}
.mobile-buy {
  display: none;
}
.admin-link {
  opacity: 0.35;
}
@media (max-width: 860px) {
  nav > a:not(.nav-cta) {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 58px;
    gap: 38px;
  }
  .hero-visual {
    min-height: 380px;
  }
  .product-grid,
  .feature-grid,
  .guide-grid,
  .detail-hero,
  .detail-panels {
    grid-template-columns: 1fr;
  }
  .detail-media,
  .detail-media img {
    min-height: 320px;
  }
  .section {
    padding: 80px 18px;
  }
  .section-heading {
    display: block;
  }
  .section-heading > p {
    margin-top: 18px;
  }
  .product-body p {
    min-height: auto;
  }
  .final-cta {
    margin: 0 18px 80px;
    padding: 60px 20px;
  }
  footer {
    grid-template-columns: 1fr;
    text-align: center;
  }
  footer .brand {
    justify-content: center;
  }
  footer p,
  footer > span {
    text-align: center;
    margin: 0;
  }
  .mobile-buy {
    display: flex;
    position: fixed;
    z-index: 20;
    left: 14px;
    right: 14px;
    bottom: 14px;
    height: 54px;
    border-radius: 16px;
    align-items: center;
    justify-content: center;
    background: var(--lime);
    color: #091006;
    font-weight: 900;
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.45);
  }
}
@media (max-width: 520px) {
  .site-header {
    height: 66px;
    padding: 0 16px;
  }
  .nav-cta {
    display: none;
  }
  .hero {
    padding: 50px 18px 56px;
  }
  .hero-lead {
    font-size: 16px;
  }
  .hero-actions .button {
    width: 100%;
  }
  .hero-visual {
    min-height: 320px;
  }
  .main-card {
    left: 7%;
    right: 7%;
  }
  .product-image {
    height: 190px;
  }
  .announcement {
    padding: 14px 18px;
    text-align: center;
  }
  .announcement span {
    display: none;
  }
}