:root {
  color-scheme: light;
  --purple: #6C3BF4;
  --purple-deep: #3E1C9E;
  --purple-light: #B9A3FF;
  --gold: #FFC24B;
  --orange: #FF9A2E;
  --ink: #211943;
  --muted: #77718d;
  --line: #e9e5f5;
  --surface: #fff;
  --lavender: #f7f4ff;
  --lavender-deep: #eee8ff;
  --shadow: 0 22px 70px rgba(72, 41, 157, .12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 8% -5%, rgba(185, 163, 255, .42), transparent 30rem),
    radial-gradient(circle at 96% 18%, rgba(255, 194, 75, .13), transparent 24rem),
    var(--lavender);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.page-shell, .shell { max-width: 1220px; margin: 0 auto; padding: 0 32px; }

.topbar, .nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 24px 0;
}

.brand, .footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: -.02em;
}

.brand { font-size: 19px; }
.brand-mark { width: 38px; height: 38px; display: block; border-radius: 12px; }
.brand-mark.small { width: 28px; height: 28px; border-radius: 8px; }

.nav-links, .footer-links {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  color: var(--muted);
  font-size: 13px;
}

.nav-links a, .footer-links a { text-decoration: none; transition: color .2s ease; }
.nav-links a:hover, .footer-links a:hover { color: var(--purple); }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(330px, .96fr);
  align-items: center;
  min-height: 610px;
  margin: 32px 0 0;
  padding: 72px 76px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.82);
  border-radius: 36px;
  background:
    linear-gradient(115deg, rgba(255,255,255,.98), rgba(250,247,255,.86) 53%, rgba(235,226,255,.8)),
    var(--surface);
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -45%;
  width: 80%;
  height: 90%;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(185, 163, 255, .24), transparent 67%);
  pointer-events: none;
}

.hero-copy { position: relative; z-index: 2; max-width: 600px; }

.eyebrow, .section-kicker {
  color: var(--purple);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .22em;
}

.eyebrow { display: inline-flex; align-items: center; gap: 9px; }
.eyebrow-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 5px rgba(255,194,75,.18); }

.hero h1 {
  margin: 19px 0 14px;
  color: var(--ink);
  font-size: clamp(46px, 6vw, 76px);
  font-weight: 900;
  letter-spacing: -.07em;
  line-height: 1.07;
}

.hero h1 span, .section-heading h2 span, .download-banner h2 span {
  color: var(--purple);
  background: linear-gradient(100deg, var(--purple), #956cff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle { margin: 0; color: var(--purple-deep); font-size: 24px; font-weight: 800; letter-spacing: .03em; }
.hero-description { max-width: 560px; margin: 20px 0 0; color: var(--muted); font-size: 16px; line-height: 1.85; }

.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

.primary-button, .secondary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border-radius: 15px;
  font-weight: 800;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.primary-button {
  gap: 12px;
  min-height: 60px;
  padding: 10px 20px;
  color: #fff;
  background: linear-gradient(135deg, var(--purple), #865aff);
  box-shadow: 0 12px 24px rgba(108,59,244,.25);
}

.primary-button:hover { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(108,59,244,.31); }
.primary-button small { display: block; margin-top: 1px; color: rgba(255,255,255,.73); font-size: 11px; font-weight: 600; }
.button-icon { display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px; background: rgba(255,255,255,.18); font-size: 22px; line-height: 1; }
.secondary-button { min-height: 54px; padding: 10px 16px; color: var(--purple); font-size: 14px; }
.secondary-button:hover { background: rgba(108,59,244,.08); }

.release-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 20px; color: var(--muted); font-size: 12px; }
.release-pill { display: inline-flex; align-items: center; gap: 7px; padding: 6px 11px; border: 1px solid #ded5ff; border-radius: 999px; color: var(--purple-deep); background: #f8f5ff; font-weight: 800; }
.release-pill i { width: 7px; height: 7px; border-radius: 50%; background: #56c87b; box-shadow: 0 0 0 4px rgba(86,200,123,.15); }
.checksum { max-width: 570px; margin: 14px 0 0; color: #9b95aa; font-size: 10px; overflow-wrap: anywhere; }
.checksum b { color: var(--muted); font-size: 10px; }

.hero-visual { position: relative; display: grid; place-items: center; min-height: 470px; z-index: 1; }
.glow { position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.glow-a { width: 390px; height: 390px; background: radial-gradient(circle, rgba(108,59,244,.26), rgba(108,59,244,0) 70%); }
.glow-b { width: 240px; height: 240px; right: 0; bottom: 5%; background: radial-gradient(circle, rgba(255,194,75,.34), rgba(255,194,75,0) 70%); }

.phone {
  position: relative;
  width: 254px;
  height: 500px;
  padding: 10px;
  border: 7px solid #2f205f;
  border-radius: 39px;
  background: #2f205f;
  box-shadow: 20px 28px 50px rgba(50, 28, 118, .28), -11px 8px 30px rgba(108,59,244,.18);
  transform: rotate(4deg);
}

.phone::before { content: ""; position: absolute; inset: 0; border-radius: 29px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.24); pointer-events: none; }
.phone-notch { position: absolute; z-index: 3; top: 11px; left: 50%; width: 92px; height: 19px; transform: translateX(-50%); border-radius: 0 0 13px 13px; background: #2f205f; }
.phone-screen { height: 100%; overflow: hidden; border-radius: 27px; background: linear-gradient(180deg, #fbfaff 0%, #f4f0ff 100%); }
.screen-header { display: flex; justify-content: space-between; padding: 18px 17px 0; color: #736b88; font-size: 10px; }
.screen-greeting { padding: 24px 18px 16px; color: var(--ink); font-size: 15px; }
.screen-card { display: grid; gap: 3px; margin: 0 13px; padding: 15px; border-radius: 16px; color: #fff; background: linear-gradient(130deg, #7b4cff, #4e26bd); box-shadow: 0 9px 20px rgba(108,59,244,.22); }
.screen-label { color: rgba(255,255,255,.72); font-size: 9px; }
.screen-card strong { font-size: 17px; }
.screen-action { align-self: end; margin-top: 5px; color: #e9dcff; font-size: 10px; }
.screen-section-title { display: flex; justify-content: space-between; margin: 21px 14px 9px; color: var(--ink); font-size: 12px; font-weight: 800; }
.screen-section-title em { color: #9b91b6; font-size: 9px; font-style: normal; font-weight: 600; }
.poster-row { display: flex; gap: 8px; margin: 0 13px; }
.poster { position: relative; height: 110px; flex: 1; overflow: hidden; border-radius: 12px; background: linear-gradient(145deg, #e0d2ff, #754af3); }
.poster::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 40%, rgba(25,13,68,.58)); }
.poster span { position: absolute; z-index: 1; right: 8px; bottom: 7px; left: 8px; color: #fff; font-size: 10px; font-weight: 700; }
.poster-one { background: linear-gradient(145deg, #e3c6aa, #6b3e91 78%); }
.poster-two { background: linear-gradient(145deg, #a7d9e2, #3a4ca3 78%); }
.red-packet { display: flex; align-items: center; gap: 9px; margin: 0 13px; padding: 10px; border-radius: 12px; background: #fff; box-shadow: 0 5px 14px rgba(67,47,130,.08); }
.packet-icon { display: grid; place-items: center; width: 29px; height: 29px; border-radius: 9px; color: #fff; background: linear-gradient(145deg, #ffbb44, #f47b30); }
.red-packet b, .red-packet small { display: block; }
.red-packet b { color: var(--ink); font-size: 10px; }
.red-packet small { color: #a49cb5; font-size: 8px; }
.red-packet > strong { margin-left: auto; color: var(--purple); font-size: 10px; }
.spark { position: absolute; color: var(--gold); text-shadow: 0 4px 16px rgba(255,154,46,.35); font-size: 28px; }
.spark-one { top: 18%; left: 10%; }
.spark-two { top: 10%; right: 13%; color: #fff; font-size: 18px; }
.spark-three { right: 1%; bottom: 18%; font-size: 18px; }

.trust-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 0 46px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.trust-row > div { display: grid; grid-template-columns: 38px 1fr; grid-template-rows: auto auto; column-gap: 10px; align-items: center; padding: 5px 24px; border-right: 1px solid var(--line); }
.trust-row > div:last-child { border-right: 0; }
.trust-icon { grid-row: span 2; display: grid; place-items: center; width: 34px; height: 34px; border-radius: 12px; color: var(--purple); background: #eee8ff; font-size: 17px; }
.trust-row b { color: var(--ink); font-size: 13px; }
.trust-row small { color: #a09aac; font-size: 11px; }

.features-section { padding: 104px 46px 76px; }
.section-heading { max-width: 620px; margin-bottom: 34px; }
.section-heading h2, .download-banner h2 { margin: 12px 0 8px; color: var(--ink); font-size: clamp(32px, 4vw, 47px); letter-spacing: -.055em; line-height: 1.2; }
.section-heading p, .download-banner p { margin: 0; color: var(--muted); font-size: 15px; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
.feature-card { position: relative; min-height: 194px; padding: 24px 22px 20px; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: rgba(255,255,255,.82); box-shadow: 0 9px 24px rgba(72,41,157,.045); }
.feature-card::after { content: ""; position: absolute; right: -25px; bottom: -38px; width: 105px; height: 105px; border-radius: 50%; opacity: .55; }
.accent-purple::after { background: #e9e0ff; }
.accent-gold::after { background: #fff0cf; }
.accent-blue::after { background: #dceeff; }
.accent-pink::after { background: #ffe2ed; }
.accent-teal::after { background: #d8f6ee; }
.accent-indigo::after { background: #e0e5ff; }
.feature-icon { display: grid; place-items: center; width: 39px; height: 39px; margin-bottom: 13px; border-radius: 12px; color: #fff; background: linear-gradient(145deg, var(--purple), #9b73ff); font-size: 17px; font-weight: 800; }
.accent-gold .feature-icon { background: linear-gradient(145deg, #ffc04a, #f48b31); }
.accent-blue .feature-icon { background: linear-gradient(145deg, #51a5ff, #5464dd); }
.accent-pink .feature-icon { background: linear-gradient(145deg, #ff7eaf, #e3537f); }
.accent-teal .feature-icon { background: linear-gradient(145deg, #43cdb6, #3199ba); }
.accent-indigo .feature-icon { background: linear-gradient(145deg, #8798f8, #5965c5); }
.feature-card h3 { margin: 0 0 6px; color: var(--ink); font-size: 17px; }
.feature-card p { min-height: 47px; margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.feature-card a { position: relative; z-index: 1; display: inline-block; margin-top: 13px; color: var(--purple); font-size: 12px; font-weight: 800; text-decoration: none; }

.download-banner { display: flex; align-items: center; justify-content: space-between; gap: 25px; margin: 0 46px 80px; padding: 40px 44px; border-radius: 25px; background: linear-gradient(110deg, #3e1c9e, #6c3bf4 58%, #8f6bfb); box-shadow: 0 18px 36px rgba(62,28,158,.2); }
.download-banner h2 { margin-bottom: 5px; color: #fff; font-size: 33px; }
.download-banner h2 span { color: var(--gold); background: none; -webkit-text-fill-color: initial; }
.download-banner p { color: rgba(255,255,255,.72); }
.download-banner .primary-button { flex: 0 0 auto; color: var(--purple-deep); background: #fff; box-shadow: 0 10px 22px rgba(26,10,88,.19); }
.download-banner .primary-button small { color: #9c96aa; }
.download-banner .button-icon { color: #fff; background: var(--purple); }
.download-banner .primary-button:hover { box-shadow: 0 15px 27px rgba(26,10,88,.26); }

.footer { padding: 0 46px 45px; color: #a09aac; font-size: 12px; }
.footer-brand { color: var(--ink); font-size: 15px; }
.footer-links { margin-top: 19px; gap: 16px; font-size: 12px; }
.footer p { margin: 18px 0 0; }

.article { margin: 24px 0 48px; padding: 42px 48px; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); box-shadow: var(--shadow); }
.article h1 { line-height: 1.25; }
.article h2 { margin-top: 32px; font-size: 21px; }
.article h3 { margin-top: 24px; font-size: 17px; }
.article p, .article li { color: #514d62; }
.meta { color: var(--muted); font-size: 14px; }
.notice { padding: 14px 16px; border-radius: 12px; color: #76510d; background: #fff6e5; font-size: 14px; }
.table-wrap { overflow: auto; }
.article table { width: 100%; border-collapse: collapse; font-size: 14px; }
.article th, .article td { padding: 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }

@media (max-width: 920px) {
  .hero { grid-template-columns: minmax(0, 1fr) minmax(280px, .75fr); padding: 58px 44px; }
  .phone { transform: rotate(3deg) scale(.9); }
  .features-section, .footer { padding-right: 24px; padding-left: 24px; }
  .trust-row, .download-banner { margin-right: 24px; margin-left: 24px; }
}

@media (max-width: 720px) {
  .page-shell, .shell { padding: 0 16px; }
  .topbar { align-items: flex-start; flex-direction: column; gap: 15px; padding: 18px 0; }
  .nav-links { gap: 12px 17px; font-size: 12px; }
  .hero { display: block; min-height: 0; margin-top: 17px; padding: 39px 25px 18px; border-radius: 27px; }
  .hero h1 { font-size: clamp(43px, 14vw, 62px); }
  .hero-subtitle { font-size: 20px; }
  .hero-description { font-size: 14px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .primary-button, .secondary-button { width: 100%; }
  .release-meta { align-items: flex-start; flex-direction: column; }
  .hero-visual { min-height: 410px; margin-top: 13px; }
  .phone { width: 220px; height: 432px; }
  .trust-row { grid-template-columns: 1fr; margin: 0 8px; padding: 13px 0; }
  .trust-row > div { padding: 9px 10px; border-right: 0; border-bottom: 1px solid var(--line); }
  .trust-row > div:last-child { border-bottom: 0; }
  .features-section { padding: 70px 8px 52px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 0; }
  .download-banner { align-items: flex-start; flex-direction: column; margin: 0 8px 58px; padding: 30px 24px; }
  .download-banner .primary-button { width: 100%; }
  .footer { padding: 0 8px 32px; }
  .footer-links { align-items: flex-start; flex-direction: column; gap: 9px; }
  .article { padding: 28px 22px; }
}


/* light nav / dual download / about — keep purple palette */
.primary-button-alt {
  color: var(--purple-deep);
  background: #fff;
  border: 1px solid #d9ceff;
  box-shadow: 0 10px 22px rgba(108,59,244,.12);
}
.primary-button-alt small { color: #9c96aa; }
.primary-button-alt .button-icon { color: #fff; background: var(--purple); }
.primary-button-alt:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(108,59,244,.18); background: #faf8ff; }

.download-banner-actions { display: flex; flex-wrap: wrap; gap: 12px; flex: 0 0 auto; }
.download-banner .primary-button-alt-on-banner {
  color: #fff;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.28);
  box-shadow: none;
}
.download-banner .primary-button-alt-on-banner small { color: rgba(255,255,255,.72); }
.download-banner .primary-button-alt-on-banner .button-icon { color: var(--purple-deep); background: #fff; }
.download-banner .primary-button-alt-on-banner:hover { background: rgba(255,255,255,.22); box-shadow: 0 12px 24px rgba(26,10,88,.18); }

.about-section { padding: 0 46px 76px; }
.about-section.about-page { padding-top: 40px; }
.about-card {
  max-width: 720px;
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 9px 24px rgba(72,41,157,.045);
}
.about-card p { margin: 0 0 12px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.about-card p:last-child { margin-bottom: 0; }
.about-card a { color: var(--purple); }
.about-filing-placeholder, .footer-app-beian { color: #b0a9bd; font-size: 12px; }
.footer-app-beian { margin-top: 8px !important; }

@media (max-width: 920px) {
  .about-section { padding-right: 24px; padding-left: 24px; }
}
@media (max-width: 720px) {
  .download-banner-actions { width: 100%; flex-direction: column; }
  .download-banner-actions .primary-button { width: 100%; }
  .about-section { padding: 0 8px 58px; }
  .about-card { padding: 22px 20px; }
}