* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    :root {
      --white: #f4f7ff;
      --soft: rgba(244, 247, 255, 0.76);
      --muted: rgba(244, 247, 255, 0.56);
      --faint: rgba(244, 247, 255, 0.38);
      --line: rgba(255, 255, 255, 0.13);
      --shadow: 0 24px 72px rgba(2, 8, 20, 0.30);
    }

    html, body {
      width: 100%;
      min-height: 100%;
      overflow-x: hidden;
      overflow-y: auto;
    }

    body {
      position: relative;
      font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
      color: var(--white);
      background:
        radial-gradient(circle at 64% 45%, rgba(220, 229, 250, 0.10), transparent 15%),
        radial-gradient(circle at 92% 90%, rgba(135, 124, 153, 0.26), transparent 28%),
        radial-gradient(circle at 74% 62%, rgba(93, 112, 152, 0.16), transparent 26%),
        linear-gradient(114deg,
          #05101f 0%,
          #09152a 24%,
          #122241 48%,
          #2b4062 76%,
          #726d8d 100%
        );
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(90deg, rgba(3, 8, 18, 0.42), transparent 58%),
        linear-gradient(180deg, rgba(2, 8, 20, 0.22), transparent 44%),
        radial-gradient(circle at 58% 48%, rgba(246, 249, 255, 0.08), transparent 14%);
      filter: blur(20px);
      opacity: 0.95;
    }

    body::after {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.018), transparent 38%),
        linear-gradient(270deg, rgba(255, 255, 255, 0.03), transparent 54%);
      opacity: 0.72;
    }

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

    .page {
      position: relative;
      z-index: 2;
      width: min(1240px, calc(100% - 58px));
      min-height: 100%;
      margin: 0 auto;
      padding: 22px 0 16px;
      display: grid;
      grid-template-rows: minmax(0, 1fr) auto;
      gap: 14px;
    }

    .nav {
      min-height: 70px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      padding: 10px 14px 10px 18px;
      border-radius: 999px;
      background: rgba(9, 20, 42, 0.30);
      border: 1px solid var(--line);
      backdrop-filter: blur(18px);
      box-shadow: 0 18px 54px rgba(3, 10, 26, 0.20);
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 14px;
      min-width: 300px;
    }

    .brand-mark {
      width: 44px;
      height: 44px;
      flex: 0 0 44px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      background: rgba(255, 255, 255, 0.085);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: rgba(246, 249, 255, 0.96);
      font-size: 21px;
      font-weight: 700;
      box-shadow: 0 10px 24px rgba(3, 10, 26, 0.20);
    }

    .brand-title {
      font-size: 18px;
      font-weight: 700;
      line-height: 1.15;
      color: rgba(246, 249, 255, 0.98);
    }

    .brand-sub {
      margin-top: 6px;
      font-size: 13px;
      color: var(--muted);
      letter-spacing: 0.13em;
      line-height: 1;
    }

    .nav-links {
      display: flex;
      align-items: center;
      justify-content: flex-end;
      gap: 6px;
      flex-wrap: wrap;
    }

    .nav-link {
      height: 42px;
      padding: 0 16px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      font-size: 15px;
      color: rgba(244, 247, 255, 0.70);
      transition: 0.25s ease;
      white-space: nowrap;
    }

    .nav-link:hover {
      color: var(--white);
      background: rgba(255, 255, 255, 0.07);
    }

    .shop-pill {
      min-width: 108px;
      color: rgba(255, 255, 255, 0.96);
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.18);
      box-shadow: 0 12px 28px rgba(3, 10, 26, 0.16);
    }

    .hero {
      min-height: 0;
      display: grid;
      grid-template-columns: 1.06fr 0.94fr;
      align-items: center;
      gap: 42px;
    }

    .copy {
      align-self: center;
      padding: 4px 0;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      height: 40px;
      padding: 0 16px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.055);
      border: 1px solid rgba(255, 255, 255, 0.13);
      color: var(--soft);
      font-size: 14px;
      letter-spacing: 0.08em;
      backdrop-filter: blur(14px);
    }

    .badge::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: rgba(245, 248, 255, 0.92);
      box-shadow: 0 0 18px rgba(245, 248, 255, 0.42);
    }

    h1 {
      margin-top: 22px;
      font-size: clamp(52px, 5.8vw, 84px);
      line-height: 1.02;
      letter-spacing: -0.07em;
      font-weight: 800;
      color: rgba(248, 251, 255, 0.985);
      text-shadow: 0 20px 56px rgba(2, 8, 20, 0.24);
    }

    .desc {
      max-width: 620px;
      margin-top: 20px;
      color: var(--soft);
      font-size: clamp(16px, 1.02vw, 18px);
      line-height: 1.78;
      letter-spacing: 0.01em;
    }

    .actions {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-top: 26px;
      flex-wrap: wrap;
    }

    .btn-primary,
    .btn-secondary {
      min-height: 54px;
      padding: 0 28px;
      border-radius: 999px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 16px;
      transition: 0.28s ease;
      backdrop-filter: blur(14px);
      white-space: nowrap;
    }

    .btn-primary {
      color: #102246;
      background: linear-gradient(135deg, rgba(248, 251, 255, 0.96), rgba(224, 233, 248, 0.90));
      border: 1px solid rgba(255, 255, 255, 0.78);
      box-shadow: 0 18px 44px rgba(3, 10, 26, 0.24);
      font-weight: 700;
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 24px 56px rgba(3, 10, 26, 0.30);
    }

    .btn-secondary {
      color: rgba(244, 247, 255, 0.88);
      background: rgba(255, 255, 255, 0.055);
      border: 1px solid rgba(255, 255, 255, 0.14);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      background: rgba(255, 255, 255, 0.085);
    }

    .hint {
      max-width: 620px;
      margin-top: 14px;
      color: var(--faint);
      font-size: 14px;
      line-height: 1.65;
    }

    .shop-url {
      max-width: 700px;
      margin-top: 16px;
      padding: 12px 16px;
      border-radius: 18px;
      background: rgba(255, 255, 255, 0.048);
      border: 1px solid rgba(255, 255, 255, 0.10);
      display: grid;
      grid-template-columns: auto 1fr;
      gap: 8px 14px;
      align-items: start;
    }

    .shop-url-label {
      color: rgba(244, 247, 255, 0.88);
      font-size: 14px;
      font-weight: 700;
      line-height: 1.6;
      white-space: nowrap;
    }

    .shop-url-link {
      color: rgba(244, 247, 255, 0.72);
      font-size: 14px;
      line-height: 1.6;
      word-break: break-all;
      overflow-wrap: anywhere;
    }

    .shop-url-link:hover {
      color: rgba(244, 247, 255, 0.94);
    }

    .panel-wrap {
      display: flex;
      justify-content: flex-end;
      align-items: center;
    }

    .panel {
      position: relative;
      width: min(480px, 100%);
      padding: 30px;
      border-radius: 32px;
      overflow: hidden;
      background: linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.05));
      border: 1px solid rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(24px);
      box-shadow: var(--shadow);
    }

    .panel::before {
      content: "";
      position: absolute;
      width: 220px;
      height: 220px;
      right: -90px;
      top: -92px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(246, 249, 255, 0.14), transparent 68%);
      filter: blur(8px);
    }

    .panel::after {
      content: "";
      position: absolute;
      width: 240px;
      height: 240px;
      left: -108px;
      bottom: -122px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(139, 127, 159, 0.18), transparent 70%);
      filter: blur(12px);
    }

    .panel-inner {
      position: relative;
      z-index: 2;
    }

    .panel-label {
      font-size: 14px;
      color: var(--muted);
      letter-spacing: 0.18em;
    }

    .panel-title {
      margin-top: 12px;
      font-size: clamp(40px, 3vw, 52px);
      line-height: 1.06;
      letter-spacing: -0.065em;
      color: rgba(248, 251, 255, 0.98);
      font-weight: 800;
    }

    .panel-text {
      margin-top: 16px;
      color: var(--soft);
      font-size: 16px;
      line-height: 1.72;
    }

    .feature-list {
      list-style: none;
      display: grid;
      gap: 10px;
      margin-top: 20px;
    }

    .feature-list li {
      min-height: 56px;
      display: flex;
      align-items: center;
      padding: 0 16px;
      border-radius: 17px;
      color: rgba(244, 247, 255, 0.88);
      background: rgba(255, 255, 255, 0.055);
      border: 1px solid rgba(255, 255, 255, 0.10);
      font-size: 15px;
      line-height: 1.45;
    }

    .qr-card {
      margin-top: 18px;
      padding: 16px;
      border-radius: 20px;
      background: rgba(255, 255, 255, 0.055);
      border: 1px solid rgba(255, 255, 255, 0.10);
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .qr-box {
      width: 128px;
      height: 128px;
      padding: 8px;
      border-radius: 16px;
      background: rgba(255,255,255,0.92);
      flex: 0 0 128px;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 10px 24px rgba(2, 8, 20, 0.18);
    }

    .qr-box img {
      width: 100%;
      height: 100%;
      display: block;
      border-radius: 8px;
    }

    .qr-copy {
      min-width: 0;
    }

    .qr-title {
      font-size: 18px;
      font-weight: 700;
      color: rgba(248, 251, 255, 0.96);
      line-height: 1.35;
    }

    .qr-desc {
      margin-top: 8px;
      color: rgba(244, 247, 255, 0.72);
      font-size: 14px;
      line-height: 1.7;
    }

    .panel-actions {
      display: flex;
      gap: 12px;
      margin-top: 20px;
    }

    .panel-actions a {
      flex: 1;
      min-height: 52px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 16px;
      font-size: 16px;
      transition: 0.25s ease;
      white-space: nowrap;
    }

    .panel-main {
      color: #122346;
      background: rgba(248, 251, 255, 0.94);
      border: 1px solid rgba(255, 255, 255, 0.76);
      font-weight: 700;
    }

    .panel-sub {
      color: rgba(244, 247, 255, 0.90);
      background: rgba(255, 255, 255, 0.054);
      border: 1px solid rgba(255, 255, 255, 0.14);
    }

    .panel-main:hover,
    .panel-sub:hover {
      transform: translateY(-2px);
    }

    footer {
      min-height: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: var(--faint);
      font-size: 13px;
      line-height: 1.5;
      padding: 2px 8px 0;
    }

    @media (max-width: 1180px) {
      html, body {
        overflow: auto;
      }

      .page {
        height: auto;
        min-height: 100vh;
      }

      .nav {
        border-radius: 30px;
        align-items: flex-start;
        flex-direction: column;
        padding: 14px;
      }

      .brand {
        min-width: 0;
      }

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

      .hero {
        grid-template-columns: 1fr;
        gap: 26px;
        padding: 24px 0 18px;
      }

      .panel-wrap {
        justify-content: flex-start;
      }

      .panel {
        width: 100%;
      }
    }

    @media (max-width: 640px) {
      .page {
        width: min(100% - 24px, 1240px);
        padding: 14px 0 18px;
      }

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

      .brand-sub {
        font-size: 12px;
      }

      .nav-link {
        height: 40px;
        padding: 0 12px;
        font-size: 14px;
      }

      h1 {
        font-size: 46px;
      }

      .desc {
        font-size: 16px;
      }

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

      .btn-primary,
      .btn-secondary,
      .panel-actions a {
        width: 100%;
      }

      .shop-url {
        grid-template-columns: 1fr;
        gap: 8px;
      }

      .qr-card {
        align-items: flex-start;
        flex-direction: column;
      }

      .qr-box {
        width: 120px;
        height: 120px;
        flex-basis: 120px;
      }

      .panel {
        padding: 24px;
        border-radius: 28px;
      }

      .panel-title {
        font-size: 38px;
      }

      .panel-text {
        font-size: 16px;
      }

      .feature-list li {
        min-height: 56px;
        font-size: 15px;
      }

      footer {
        font-size: 12px;
      }
    }

/* Shared primary navigation for every static page. */
:root {
  --site-nav-height: 92px;
}

body.site-page {
  padding-top: var(--site-nav-height);
}

.site-topbar {
  position: fixed;
  top: 24px;
  left: 0;
  right: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto minmax(72px, 1fr);
  align-items: center;
  gap: 22px;
  padding: 0 clamp(28px, 4.8vw, 70px);
  pointer-events: none;
}

.site-brand,
.site-nav,
.site-menu-btn,
.site-mobile-menu {
  pointer-events: auto;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  color: #f7fbff;
  text-decoration: none;
}

.site-brand-logo {
  width: 49px;
  height: 49px;
  flex: 0 0 auto;
  object-fit: contain;
  filter: drop-shadow(0 12px 26px rgba(0, 229, 255, .18));
}

.site-brand-name {
  display: grid;
  gap: 2px;
  line-height: 1;
}

.site-brand-name strong {
  font-size: clamp(18px, 1.45vw, 26px);
  font-weight: 950;
  letter-spacing: -.06em;
}

.site-brand-name small {
  color: #00e5ff;
  font-size: clamp(10px, .8vw, 13px);
  font-weight: 850;
  letter-spacing: .03em;
  white-space: nowrap;
}

.site-nav {
  display: grid;
  grid-template-columns: repeat(6, minmax(82px, 1fr));
  align-items: center;
  justify-content: center;
  column-gap: clamp(6px, .7vw, 14px);
  width: clamp(680px, 46vw, 880px);
  height: 46px;
  padding: 0 28px;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 999px;
  background: rgba(8,14,32,.54);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 18px 56px rgba(0,0,0,.22);
  -webkit-backdrop-filter: blur(22px) saturate(1.25);
  backdrop-filter: blur(22px) saturate(1.25);
}

.site-nav a,
.site-mobile-menu a {
  color: rgba(247,250,255,.86);
  text-decoration: none;
  font-size: clamp(12px, .9vw, 15px);
  font-weight: 850;
  letter-spacing: -.02em;
  white-space: nowrap;
  transition: color .2s ease, background .2s ease, transform .2s ease;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 999px;
  text-shadow: 0 8px 26px rgba(0,0,0,.28);
}

.site-nav a:hover,
.site-nav a.is-current,
.site-mobile-menu a:hover,
.site-mobile-menu a.is-current {
  color: #00e5ff;
  background: rgba(0,229,255,.10);
}

.site-menu-btn {
  justify-self: end;
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 999px;
  color: #f7fbff;
  background: rgba(8,14,32,.58);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  cursor: pointer;
}

.site-mobile-menu {
  position: fixed;
  top: 82px;
  left: 18px;
  right: 18px;
  z-index: 99;
  display: none;
  padding: 10px;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 18px;
  background: rgba(8,14,32,.9);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  box-shadow: 0 22px 62px rgba(0,0,0,.35);
}

.site-mobile-menu.is-open {
  display: grid;
}

.site-mobile-menu a {
  display: flex;
  align-items: center;
  min-height: 42px;
  padding: 0 13px;
  border-radius: 12px;
}

.module-brand {
  display: inline-flex !important;
  align-items: center !important;
  gap: 10px !important;
  color: #f7fbff !important;
  text-decoration: none !important;
}

.module-brand-logo {
  width: 40px !important;
  height: 40px !important;
  flex: 0 0 auto !important;
  object-fit: contain !important;
  filter: drop-shadow(0 10px 24px rgba(0, 229, 255, .16)) !important;
}

.module-brand-text {
  display: grid !important;
  gap: 3px !important;
  line-height: 1 !important;
}

.module-brand-text strong {
  color: #f7fbff !important;
  font-size: 17px !important;
  font-weight: 900 !important;
  letter-spacing: -.03em !important;
  white-space: nowrap !important;
}

.module-brand-text small {
  color: #00e5ff !important;
  font-size: 10px !important;
  font-weight: 850 !important;
  letter-spacing: .04em !important;
  white-space: nowrap !important;
}

@media (max-width: 1180px) {
  .site-topbar {
    grid-template-columns: minmax(168px, 1fr) auto 48px;
    padding: 0 24px;
  }

  .site-nav {
    width: clamp(540px, 58vw, 740px);
    grid-template-columns: repeat(6, minmax(68px, 1fr));
    padding: 0 20px;
  }
}

@media (max-width: 860px) {
  :root {
    --site-nav-height: 82px;
  }

  .site-topbar {
    top: 16px;
    grid-template-columns: minmax(168px, 1fr) 42px;
    gap: 12px;
    padding: 0 18px;
  }

  .site-nav {
    display: none;
  }

  .site-menu-btn {
    display: inline-grid;
    place-items: center;
  }

  .site-brand-logo {
    width: 44px;
    height: 44px;
  }

  .site-brand-name strong {
    font-size: 18px;
  }

  .site-brand-name small {
    font-size: 10px;
  }
}

@media (max-width: 420px) {
  .site-brand-name strong {
    font-size: 16px;
  }

  .site-brand-name small {
    font-size: 9px;
  }
}