:root { color-scheme: light; font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif; color: #12213b; background: #f4f7fb; font-synthesis: none; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: #f4f7fb; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; letter-spacing: 0; }
.site-header { height: 68px; display: flex; align-items: center; justify-content: space-between; padding: 0 max(24px, calc((100vw - 1120px) / 2)); border-bottom: 1px solid #dbe4f0; background: rgba(255,255,255,.96); }
.brand { display: flex; align-items: center; gap: 11px; font-size: 17px; }
.brand-mark { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 7px; color: #fff; background: #1269e8; font-size: 13px; font-weight: 900; }
.header-link { color: #37516f; font-size: 14px; font-weight: 650; }
.hero { position: relative; min-height: min(610px, calc(100vh - 68px)); display: flex; align-items: center; overflow: hidden; background: #0c1930; }
.hero::after { content: ""; position: absolute; inset: auto 0 0; height: 5px; background: #2d87ff; }
.hero-content { position: relative; z-index: 2; width: min(1120px, calc(100% - 48px)); margin: 0 auto; padding: 72px 0 92px; color: #fff; }
.hero-content h1 { max-width: 650px; margin: 8px 0 18px; font-size: 88px; line-height: .98; letter-spacing: 0; }
.eyebrow { margin: 0 0 10px; color: #66aaff; font-size: 12px; font-weight: 800; text-transform: uppercase; }
.hero-copy { max-width: 540px; margin: 0; color: #cbd8e9; font-size: 19px; line-height: 1.75; }
.hero-actions { display: flex; align-items: center; gap: 18px; margin-top: 36px; color: #9eb1ca; font-size: 13px; }
.primary-button { display: inline-flex; min-height: 48px; align-items: center; padding: 0 22px; border-radius: 6px; color: #fff; background: #1675f2; font-weight: 800; }
.primary-button:hover { background: #0d67dc; }
.hero-art { position: absolute; top: 50%; right: max(20px, calc((100vw - 1120px) / 2)); width: 360px; aspect-ratio: 1; display: grid; place-items: center; border: 2px solid rgba(94,164,255,.28); transform: translateY(-50%); opacity: .7; }
.hero-art::before, .hero-art::after { content: ""; position: absolute; background: rgba(65,143,246,.2); }
.hero-art::before { width: 1px; height: 118%; }
.hero-art::after { width: 118%; height: 1px; }
.hero-art span { color: rgba(112,177,255,.52); font-size: 92px; font-weight: 900; }
.query-band { width: min(1120px, calc(100% - 48px)); margin: 0 auto; padding: 72px 0; display: grid; grid-template-columns: .8fr 1.2fr; gap: 36px 64px; }
.query-copy h2 { margin: 0; max-width: 360px; font-size: 32px; line-height: 1.25; }
.query-form { align-self: end; }
.query-form label { display: block; margin-bottom: 8px; color: #60728a; font-size: 13px; font-weight: 700; }
.input-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.input-row input { min-width: 0; height: 48px; border: 1px solid #bdcbe0; border-radius: 6px; padding: 0 14px; color: #12213b; background: #fff; outline: none; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.input-row input:focus { border-color: #1675f2; box-shadow: 0 0 0 3px rgba(22,117,242,.12); }
.input-row button { min-width: 112px; border: 0; border-radius: 6px; padding: 0 18px; color: #fff; background: #12213b; font-weight: 750; cursor: pointer; }
.input-row button:disabled { opacity: .65; cursor: wait; }
.query-error { min-height: 20px; margin: 9px 0 0; color: #c83a46; font-size: 13px; }
.query-result { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid #d9e2ee; border-bottom: 1px solid #d9e2ee; }
.query-result.hidden { display: none; }
.query-result div { min-height: 96px; display: flex; flex-direction: column; justify-content: center; gap: 9px; padding: 18px 24px; border-right: 1px solid #d9e2ee; }
.query-result div:last-child { border-right: 0; }
.query-result span { color: #718198; font-size: 12px; }
.query-result strong { font-size: 18px; overflow-wrap: anywhere; }
#result-status[data-status="active"] { color: #168453; }
#result-status[data-status="expired"], #result-status[data-status="disabled"] { color: #bd3541; }
.details-band { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: min(1120px, calc(100% - 48px)); margin: 0 auto 76px; border-top: 1px solid #d9e2ee; }
.details-band div { display: grid; gap: 8px; padding: 30px 24px 0 0; }
.details-band strong { font-size: 15px; }
.details-band span { color: #718198; font-size: 13px; }
footer { min-height: 72px; display: flex; align-items: center; justify-content: space-between; padding: 0 max(24px, calc((100vw - 1120px) / 2)); color: #8695a9; background: #fff; font-size: 12px; border-top: 1px solid #dbe4f0; }
@media (max-width: 760px) {
  .site-header { padding: 0 18px; }
  .hero { min-height: 570px; align-items: flex-start; }
  .hero-content { width: calc(100% - 36px); padding: 72px 0; }
  .hero-content h1 { font-size: 54px; }
  .hero-copy { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .hero-art { right: -155px; bottom: -45px; top: auto; width: 310px; transform: none; opacity: .35; }
  .query-band { width: calc(100% - 36px); grid-template-columns: 1fr; padding: 54px 0; gap: 28px; }
  .input-row { grid-template-columns: 1fr; }
  .input-row button { height: 46px; }
  .query-result { grid-template-columns: 1fr; }
  .query-result div { min-height: 78px; border-right: 0; border-bottom: 1px solid #d9e2ee; padding: 15px 0; }
  .query-result div:last-child { border-bottom: 0; }
  .details-band { width: calc(100% - 36px); grid-template-columns: 1fr; margin-bottom: 52px; }
  footer { padding: 18px; align-items: flex-start; flex-direction: column; justify-content: center; gap: 6px; }
}