:root {
  --paper: #f3f0e8;
  --surface: #fbf9f3;
  --ink: #181816;
  --muted: #7a7568;
  --line: #dcd5c6;
  --acid: #e8ff52;
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-display: "Arial Black", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(80% 45% at 72% 0%, rgba(255,255,255,.8), transparent 65%),
    var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
.landing-shell { min-height: 100dvh; }
.landing-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: max(14px, env(safe-area-inset-top)) 22px 10px;
}
.landing-brand { display: inline-flex; align-items: center; gap: 9px; }
.landing-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--acid);
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 900;
}
.landing-brand strong { display: block; font: 800 14px/1 var(--font-display); letter-spacing: -.02em; }
.landing-brand small { display: block; margin-top: 4px; color: var(--muted); font-size: 7px; letter-spacing: .12em; }
.landing-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(251,249,243,.65);
  color: var(--muted);
  font-size: 9px;
  white-space: nowrap;
}
.landing-live i { width: 6px; height: 6px; border-radius: 50%; background: #9bcf3b; box-shadow: 0 0 0 3px rgba(155,207,59,.15); }
.landing-main { width: min(1180px, 100%); margin: 0 auto; padding: 0 22px 26px; }
.landing-hero { padding: clamp(28px, 7vw, 72px) 0 clamp(22px, 4vw, 38px); }
.landing-kicker { margin: 0 0 9px; color: var(--muted); font-size: 8px; font-weight: 700; letter-spacing: .16em; }
.landing-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 8.2vw, 88px);
  font-weight: 900;
  line-height: .98;
  letter-spacing: -.065em;
}
.landing-hero h1 em { position: relative; display: inline-block; font-style: normal; z-index: 0; }
.landing-hero h1 em::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -1%;
  right: -3%;
  bottom: 5%;
  height: 22%;
  background: var(--acid);
}
.landing-sub { max-width: 390px; margin: 16px 0 0; color: var(--muted); font-size: 12px; line-height: 1.7; }
.product-section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; padding-bottom: 11px; border-bottom: 1px solid var(--line); }
.product-section-head h2 { margin: 0; font: 700 22px/1.2 var(--font-body); letter-spacing: -.04em; }
.product-section-head > span { color: var(--muted); font-size: 9px; }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 14px; }
.product-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 265px;
  padding: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: 0 1px 0 rgba(255,255,255,.7) inset;
}
.product-card.is-ready { background: var(--ink); color: #fff; border-color: var(--ink); }
.product-card.is-soon { color: var(--ink); opacity: .66; }
.product-badge { align-self: flex-start; padding: 4px 7px; border-radius: 4px; background: var(--acid); color: var(--ink); font-size: 7px; font-weight: 700; letter-spacing: .1em; }
.soon-badge { background: #e7e1d5; color: var(--muted); }
.product-art { display: grid; place-items: center; height: 118px; margin: 5px 0 2px; color: var(--acid); }
.is-soon .product-art { color: #8f897b; }
.product-art svg { width: 92%; height: 92%; }
.product-card h3 { margin: 0; font-size: 17px; font-weight: 700; letter-spacing: -.04em; }
.product-card p { margin: 5px 0 0; color: rgba(255,255,255,.5); font-size: 9px; }
.is-soon p { color: var(--muted); }
.product-cta { display: inline-flex; align-items: center; gap: 7px; margin-top: auto; padding-top: 12px; color: var(--acid); font-size: 10px; font-weight: 600; }
.product-cta b { font-size: 14px; font-weight: 400; }
.is-soon .product-cta { color: var(--muted); font-weight: 400; }
.landing-how {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--line);
}
.landing-how > div { display: grid; gap: 4px; padding: 13px 14px; background: rgba(251,249,243,.7); }
.landing-how span { color: var(--muted); font-size: 8px; letter-spacing: .12em; }
.landing-how b { font-size: 11px; font-weight: 600; }
.landing-how small { color: var(--muted); font-size: 8px; }
.landing-note { margin: 12px 0 0; color: var(--muted); font-size: 8px; line-height: 1.6; }
.landing-foot { display: flex; justify-content: space-between; gap: 12px; padding: 24px 0 0; color: var(--muted); font-size: 8px; }
@media (max-width: 760px) {
  .landing-top { padding: max(12px, env(safe-area-inset-top)) 16px 8px; }
  .landing-mark { width: 34px; height: 34px; border-radius: 9px; font-size: 19px; }
  .landing-brand strong { font-size: 13px; }
  .landing-brand small { font-size: 6.5px; }
  .landing-live { font-size: 8px; padding: 6px 8px; }
  .landing-main { padding: 0 16px 22px; }
  .landing-hero { padding: 25px 0 22px; }
  .landing-hero h1 { font-size: clamp(42px, 13.5vw, 58px); }
  .landing-sub { max-width: 300px; margin-top: 13px; font-size: 11px; line-height: 1.65; }
  .product-section-head h2 { font-size: 20px; }
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; margin-top: 11px; }
  .product-card { min-height: 205px; padding: 11px; border-radius: 13px; }
  .product-art { height: 86px; margin: 1px 0 0; }
  .product-card h3 { font-size: 15px; }
  .product-card p { font-size: 8px; line-height: 1.4; }
  .product-cta { padding-top: 9px; font-size: 9px; }
  .landing-how { margin-top: 16px; }
  .landing-how > div { padding: 10px 8px; }
  .landing-how small { font-size: 7px; }
  .landing-note { font-size: 7.5px; }
  .landing-foot { display: none; }
}
@media (max-width: 380px) {
  .landing-brand small { display: none; }
  .product-card { min-height: 190px; }
  .product-art { height: 75px; }
}