:root {
  --page-bg: #f5f8fd;
  --surface: #ffffff;
  --surface-soft: rgba(255,255,255,.88);
  --text: #101828;
  --muted: #667085;
  --line: #e7edf6;
  --blue: #0877ed;
  --blue-deep: #0566d8;
  --shadow: 0 18px 50px rgba(31, 68, 120, .10);
  --radius-lg: 26px;
  --radius-md: 18px;
  --shell: 1110px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--page-bg); }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    radial-gradient(circle at 50% 210px, rgba(85, 164, 255, .10), transparent 460px),
    var(--page-bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
svg { display: block; width: 100%; height: 100%; }

.shell { width: min(calc(100% - 40px), var(--shell)); margin-inline: auto; }
.skip-link {
  position: fixed; left: 12px; top: -80px; z-index: 1000;
  padding: 10px 14px; border-radius: 10px; background: #111827; color: #fff;
}
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky; top: 0; z-index: 50;
  height: 74px;
  border-bottom: 1px solid rgba(222, 230, 242, .88);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(16px);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: 0; }
.brand-mark, .hero-mark {
  display: grid; place-items: center; color: #fff; font-weight: 800;
  background: linear-gradient(145deg, #1191ff, #0064dc 78%);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.45), 0 7px 16px rgba(4,112,230,.22);
}
.brand-mark { width: 40px; height: 40px; border-radius: 10px; font-size: 25px; }
.brand-copy { display: grid; line-height: 1.08; min-width: 0; }
.brand-copy strong { font-size: 19px; letter-spacing: .02em; }
.brand-copy small { margin-top: 5px; color: #818898; font-size: 11px; white-space: nowrap; }
.site-nav { display: flex; align-items: stretch; height: 100%; gap: 34px; }
.site-nav a { position: relative; display: grid; place-items: center; color: #606a7b; font-size: 14px; font-weight: 650; }
.site-nav a:hover, .site-nav a:focus-visible, .site-nav a.active { color: var(--blue); }
.site-nav a.active::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; border-radius: 9px 9px 0 0; background: var(--blue); }
.nav-toggle { display: none; width: 42px; height: 42px; border: 0; border-radius: 11px; background: transparent; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 100%; height: 2px; margin: 5px 0; border-radius: 10px; background: #111827; transition: transform .2s ease, opacity .2s ease; }

.hero {
  position: relative; overflow: hidden;
  min-height: 300px;
  background:
    radial-gradient(circle at 50% -20%, rgba(255,255,255,.95), transparent 43%),
    linear-gradient(180deg, #d9ecff 0%, #edf7ff 68%, #f6f9fd 100%);
}
.hero::before,
.hero::after { content: ""; position: absolute; pointer-events: none; }
.hero::before {
  left: -6%; right: -6%; bottom: -106px; height: 240px;
  border-radius: 50% 50% 0 0 / 35% 35% 0 0;
  background: repeating-linear-gradient(177deg, rgba(68,143,233,.075) 0 3px, transparent 3px 27px);
  transform: rotate(-2deg);
}
.hero::after {
  width: 330px; height: 330px; left: 50%; top: 52%; transform: translate(-50%,-50%);
  border-radius: 50%; background: radial-gradient(circle, rgba(255,255,255,.92), rgba(255,255,255,0) 68%);
}
.hero-inner { position: relative; z-index: 2; display: grid; justify-items: center; padding: 48px 0 56px; text-align: center; }
.hero-brandline { display: flex; align-items: center; gap: 18px; }
.hero-mark { width: 64px; height: 64px; border-radius: 15px; font-size: 41px; }
.hero h1 { margin: 0; font-size: clamp(38px, 4.8vw, 56px); line-height: 1; letter-spacing: .03em; color: #090b0f; }
.hero-kicker { position: relative; margin: 25px 0 10px; padding: 0 44px; font-size: clamp(18px, 2vw, 24px); font-weight: 650; letter-spacing: .18em; color: #172033; }
.hero-kicker::before, .hero-kicker::after { content: ""; position: absolute; top: 50%; width: 30px; height: 1px; background: #afc8e7; }
.hero-kicker::before { left: 0; } .hero-kicker::after { right: 0; }
.hero-subtitle { margin: 0; color: #697386; font-size: 16px; }
.hero-decoration { position: absolute; z-index: 1; color: #5aa8fb; pointer-events: none; }
.hero-controller { width: 150px; left: max(6vw, 40px); top: 45px; transform: rotate(-9deg); }
.hero-signal { width: 150px; right: max(6vw, 40px); top: 45px; }

.business {
  position: relative; z-index: 4; margin-top: -26px;
  display: grid; grid-template-columns: minmax(0, 860px); justify-content: center; gap: 24px;
}
.business-card {
  min-height: 240px; overflow: hidden; position: relative;
  display: grid; grid-template-columns: 44% 56%; align-items: center;
  border: 1px solid rgba(229,236,246,.9); border-radius: var(--radius-lg);
  background: rgba(255,255,255,.94); box-shadow: var(--shadow);
}
.business-card::after { content: ""; position: absolute; width: 150px; height: 36px; top: -10px; right: -42px; transform: rotate(38deg); opacity: .13; }
.redeem-card::after { background: var(--blue); }
.card-art { height: 100%; display: grid; place-items: center; position: relative; }
.card-art::after { content: ""; position: absolute; width: 180px; height: 34px; bottom: 28px; border-radius: 50%; filter: blur(1px); }
.card-art-redeem::after { background: rgba(9, 112, 234, .12); }
.art-box {
  position: relative; z-index: 1; width: 130px; height: 93px; margin-top: 36px;
  border-radius: 18px 18px 28px 28px;
  background: linear-gradient(145deg, #35a0ff, #0568dd);
  box-shadow: inset 0 7px 9px rgba(255,255,255,.24), 0 20px 28px rgba(5,104,221,.18);
  transform: perspective(300px) rotateX(5deg);
}
.art-box::before { content: ""; position: absolute; left: 14px; right: 14px; top: 15px; height: 10px; border-radius: 50%; background: rgba(0,56,157,.28); }
.ticket {
  position: absolute; left: 50%; top: -42px; transform: translateX(-50%) rotate(4deg);
  display: grid; place-items: center; width: 88px; height: 70px; border-radius: 13px;
  font-size: 34px; font-weight: 900; color: #fff;
  box-shadow: inset 0 4px 7px rgba(255,255,255,.25), 0 9px 18px rgba(16,24,40,.15);
}
.ticket-blue { background: linear-gradient(145deg, #4aaaff, #0a6bd8); }
.art-gamepad {
  position: absolute; right: -42px; bottom: -16px; z-index: 2;
  font-size: 46px; filter: drop-shadow(0 10px 10px rgba(20,76,160,.18)); transform: rotate(8deg);
}
.card-content { position: relative; z-index: 2; padding: 38px 42px 38px 0; }
.card-content h2 { margin: 0 0 14px; font-size: 29px; line-height: 1.15; }
.card-content p { min-height: 0; margin: 0 0 20px; color: var(--muted); font-size: 15px; line-height: 1.65; }
.business-button {
  display: flex; align-items: center; justify-content: center; gap: 12px; width: min(100%, 205px); min-height: 46px;
  padding: 10px 19px; border-radius: 999px; color: #fff; font-weight: 750; box-shadow: 0 10px 22px rgba(17,24,39,.10);
  transition: transform .16s ease, filter .16s ease, box-shadow .16s ease;
}
.business-button:hover, .business-button:focus-visible { transform: translateY(-2px); filter: saturate(1.08); box-shadow: 0 13px 25px rgba(17,24,39,.16); }
.button-blue { background: linear-gradient(135deg, #1487fa, var(--blue-deep)); }
.button-arrow { font-size: 21px; line-height: 1; letter-spacing: .07em; }

.advantages {
  margin-top: 22px; padding: 20px 28px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px;
  border: 1px solid rgba(229,236,246,.9); border-radius: var(--radius-lg); background: rgba(255,255,255,.93); box-shadow: var(--shadow);
}
.advantage-card { min-width: 0; display: flex; align-items: center; gap: 13px; padding: 4px 10px; }
.advantage-icon { flex: 0 0 48px; width: 48px; height: 48px; padding: 8px; border-radius: 15px; }
.icon-blue { color: #1677dd; background: #e7f3ff; } .icon-teal { color: #13bdaa; background: #e4fbf8; }
.icon-purple { color: #7a43d8; background: #f1e9ff; } .icon-gold { color: #eaa30c; background: #fff4d3; }
.advantage-card > span:last-child { min-width: 0; display: grid; gap: 4px; }
.advantage-card strong { font-size: 15px; white-space: nowrap; }
.advantage-card small { color: var(--muted); font-size: 11px; line-height: 1.45; }

.info-section { margin-top: 22px; margin-bottom: 34px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.info-card { position: relative; min-height: 150px; padding: 26px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.82); }
.info-index { position: absolute; right: 18px; top: 9px; color: #eef3fa; font-size: 44px; font-weight: 900; }
.info-card h2 { position: relative; margin: 0 0 9px; font-size: 18px; }
.info-card p { position: relative; margin: 0; color: var(--muted); font-size: 13px; line-height: 1.75; }

.site-footer { border-top: 1px solid var(--line); background: #fff; }
.footer-inner { min-height: 132px; display: grid; justify-items: center; align-content: center; gap: 10px; text-align: center; color: #667085; font-size: 12px; }
.footer-inner p { margin: 0; }
.filing { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 8px 18px; }
.filing a, .footer-nav a { transition: color .15s ease; }
.filing a:hover, .filing a:focus-visible, .footer-nav a:hover, .footer-nav a:focus-visible { color: var(--blue); }
.police-badge { display: inline-grid; place-items: center; width: 18px; height: 18px; margin-right: 4px; border-radius: 50%; color: #fff; background: #7893b2; font-size: 9px; vertical-align: -3px; }
.footer-nav { display: flex; align-items: center; gap: 12px; }

:focus-visible { outline: 3px solid rgba(22,119,221,.35); outline-offset: 3px; }

@media (max-width: 900px) {
  .hero-controller { left: 18px; width: 120px; } .hero-signal { right: 18px; width: 120px; }
  .business-card { grid-template-columns: 42% 58%; }
  .card-art { transform: scale(.88); }
  .advantages { grid-template-columns: 1fr 1fr; }
  .advantage-card { padding: 8px 12px; }
}

@media (max-width: 680px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  .site-header { height: 68px; }
  .brand-mark { width: 38px; height: 38px; }
  .brand-copy strong { font-size: 18px; }
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; left: 14px; right: 14px; top: 61px; height: auto; display: none; overflow: hidden;
    flex-direction: column; gap: 0; padding: 8px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.98); box-shadow: var(--shadow);
  }
  .site-nav.open { display: flex; }
  .site-nav a { min-height: 44px; justify-items: start; padding: 0 13px; border-radius: 10px; }
  .site-nav a.active::after { display: none; }
  .site-nav a.active { background: #edf6ff; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { min-height: 275px; }
  .hero-inner { padding: 42px 0 55px; }
  .hero-brandline { gap: 13px; }
  .hero-mark { width: 54px; height: 54px; border-radius: 13px; font-size: 34px; }
  .hero h1 { font-size: 40px; }
  .hero-kicker { margin-top: 20px; padding-inline: 35px; font-size: 17px; letter-spacing: .11em; }
  .hero-subtitle { font-size: 14px; }
  .hero-controller { width: 90px; left: -4px; top: 30px; opacity: .8; }
  .hero-signal { width: 90px; right: -4px; top: 30px; opacity: .8; }

  .business { margin-top: -24px; grid-template-columns: 1fr; gap: 14px; }
  .business-card { min-height: 210px; grid-template-columns: 46% 54%; border-radius: 22px; }
  .card-art { transform: scale(.8); transform-origin: center; }
  .card-content { padding: 25px 18px 25px 0; }
  .card-content h2 { font-size: 22px; }
  .card-content p { min-height: 0; margin-bottom: 14px; font-size: 12px; line-height: 1.55; }
  .business-button { min-height: 43px; padding: 9px 14px; font-size: 14px; }
  .advantages { grid-template-columns: 1fr 1fr; margin-top: 14px; padding: 10px; gap: 8px; border-radius: 22px; }
  .advantage-card { min-height: 82px; gap: 10px; padding: 9px; border: 1px solid #edf1f6; border-radius: 15px; background: #fff; }
  .advantage-icon { flex-basis: 40px; width: 40px; height: 40px; padding: 7px; border-radius: 12px; }
  .advantage-card strong { font-size: 13px; }
  .advantage-card small { font-size: 10px; }
  .info-section { grid-template-columns: 1fr; margin-top: 14px; margin-bottom: 22px; gap: 10px; }
  .info-card { min-height: 0; padding: 21px; }
  .footer-inner { min-height: 150px; padding: 22px 0 calc(22px + env(safe-area-inset-bottom)); }
}

@media (max-width: 420px) {
  .brand-copy small { max-width: 155px; overflow: hidden; text-overflow: ellipsis; }
  .hero { min-height: 255px; }
  .hero-mark { width: 50px; height: 50px; }
  .hero h1 { font-size: 36px; }
  .business-card { min-height: 194px; grid-template-columns: 45% 55%; }
  .card-art { transform: scale(.7); }
  .card-content { padding-right: 14px; }
  .card-content h2 { font-size: 20px; }
  .card-content p { font-size: 11px; }
  .advantages { padding: 8px; }
  .advantage-card { gap: 7px; padding: 8px 6px; }
  .advantage-icon { flex-basis: 36px; width: 36px; height: 36px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}