:root {
  --ink: #0b1f3a;
  --body: #52647a;
  --muted: #7d8ca0;
  --blue: #1268f3;
  --blue-dark: #0757d6;
  --blue-soft: #edf5ff;
  --green: #16a05d;
  --green-soft: #eaf8f0;
  --amber: #f5a700;
  --amber-soft: #fff7df;
  --line: #dce6f2;
  --surface: #f7faff;
  --white: #fff;
  --shadow: 0 22px 60px rgba(20, 61, 112, .13);
  --shadow-soft: 0 12px 36px rgba(20, 61, 112, .09);
  --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--body);
  background: var(--white);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }

img { display: block; max-width: 100%; }

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

button, input { font: inherit; }

button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 3px solid rgba(18, 104, 243, .28);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--white);
  background: var(--blue);
  transform: translateY(-150%);
}

.skip-link:focus { transform: translateY(0); }

.container {
  width: min(calc(100% - 48px), var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(220, 230, 242, .72);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(18px);
}

.site-nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 202px;
}

.brand img { width: 44px; height: 44px; border-radius: 11px; }

.brand-copy { display: grid; line-height: 1.12; }

.brand-copy strong { color: var(--ink); font-size: 20px; letter-spacing: -.02em; }

.brand-copy small { margin-top: 5px; color: var(--muted); font-size: 12px; }

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.nav-links a {
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-size: 15px;
  font-weight: 600;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 6px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
  content: "";
  opacity: 0;
  transform: scaleX(.3);
  transition: opacity .18s ease, transform .18s ease;
}

.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { opacity: 1; transform: scaleX(1); }

.nav-download { min-width: 202px; display: flex; justify-content: flex-end; }

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 11px;
  color: var(--ink);
  background: var(--white);
  cursor: pointer;
}

.menu-button img { width: 22px; height: 22px; }

.icon { width: 20px; height: 20px; flex: 0 0 auto; }
.icon-lg { width: 28px; height: 28px; }
.icon-xl { width: 42px; height: 42px; }

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 12px;
  color: var(--white);
  background: var(--blue);
  box-shadow: 0 10px 26px rgba(18, 104, 243, .19);
  cursor: pointer;
  font-weight: 700;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}

.button:hover { background: var(--blue-dark); box-shadow: 0 14px 30px rgba(18, 104, 243, .25); transform: translateY(-2px); }

.button-secondary {
  border-color: var(--line);
  color: var(--ink);
  background: var(--white);
  box-shadow: none;
}

.button-secondary:hover { border-color: #b8cee8; color: var(--blue); background: var(--white); box-shadow: var(--shadow-soft); }

.button-small { min-height: 42px; padding: 0 17px; border-radius: 10px; font-size: 14px; }

.button[aria-disabled="true"] {
  color: #6e8197;
  border-color: var(--line);
  background: #eef3f8;
  box-shadow: none;
  cursor: not-allowed;
}

.button[aria-disabled="true"]:hover { transform: none; }

.eyebrow {
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .01em;
}

.display-title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(42px, 5vw, 67px);
  line-height: 1.18;
  letter-spacing: -.05em;
}

.display-title em { color: var(--blue); font-style: normal; }

.lead {
  max-width: 630px;
  margin: 24px 0 0;
  color: var(--body);
  font-size: 18px;
  line-height: 1.9;
}

.hero {
  position: relative;
  min-height: 690px;
  display: flex;
  align-items: center;
  padding: 72px 0 105px;
  background: var(--white) url("./flow-wave.webp") center bottom / 100% 400px no-repeat;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(420px, .95fr) minmax(520px, 1.05fr);
  align-items: center;
  gap: 44px;
}

.hero-actions { display: flex; gap: 12px; margin-top: 34px; flex-wrap: wrap; }

.trust-line { margin: 18px 0 0; color: var(--muted); font-size: 13px; letter-spacing: .04em; }

.product-shot {
  position: relative;
  border: 1px solid #d8e3f0;
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-shot {
  width: 103%;
  transform: perspective(1500px) rotateY(-5deg) rotateX(1deg) translateX(-3%);
  transform-origin: center right;
  box-shadow: -12px 28px 66px rgba(31, 74, 123, .18);
}

.hero-shot img, .feature-shot img, .product-hero-shot img { width: 100%; height: auto; }

.impact-section {
  position: relative;
  padding: 96px 0 104px;
}

.impact-heading { margin-bottom: 42px; }

.impact-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .04em;
}

.impact-kicker img { width: 20px; height: 20px; }

.impact-heading .section-copy { max-width: 720px; }

.impact-summary { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin: 0; }

.impact-summary-card {
  min-width: 0;
  min-height: 142px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 28px 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.impact-summary-card dt { min-width: 0; display: flex; gap: 14px; align-items: center; }
.impact-summary-card dt > span:last-child { min-width: 0; display: grid; line-height: 1.35; }
.impact-summary-card dt strong { color: var(--ink); font-size: 17px; }
.impact-summary-card dt small { margin-top: 5px; color: var(--muted); font-size: 13px; }

.impact-icon { width: 42px; height: 42px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 13px; background: #dcecff; }
.impact-icon img { width: 24px; height: 24px; }
.impact-summary-tasks .impact-icon { background: var(--green-soft); }

.impact-summary-card dd { display: flex; align-items: baseline; justify-content: flex-end; gap: 8px; margin: 0; text-align: right; }
.impact-summary-card dd strong { max-width: 100%; overflow: hidden; color: var(--blue); font-size: clamp(42px, 4.4vw, 62px); line-height: 1; letter-spacing: -.055em; text-overflow: ellipsis; white-space: nowrap; }
.impact-summary-tasks dd strong { color: var(--green); }
.impact-summary-card dd span { color: var(--muted); font-size: 14px; font-weight: 700; }
[data-automation-stats][data-state="loading"] .impact-summary-card dd strong { opacity: .5; }

.impact-detail-block { margin-top: 34px; padding-top: 32px; border-top: 1px solid var(--line); }
.impact-detail-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 22px; }
.impact-detail-heading h3 { margin: 0; color: var(--ink); font-size: 24px; line-height: 1.35; }
.impact-detail-heading > div > p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.impact-period { margin: 0; color: var(--muted); font-size: 12px; white-space: nowrap; }
.impact-period-summary { margin-top: 20px; text-align: center; }

.impact-detail-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; align-items: start; }

.impact-detail-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 23px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 8px 26px rgba(20, 61, 112, .065);
}

.impact-detail-title { display: flex; align-items: center; gap: 11px; }
.impact-detail-title h4 { margin: 0; color: var(--ink); font-size: 16px; }
.impact-detail-icon { width: 38px; height: 38px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 12px; background: var(--blue-soft); }
.impact-detail-icon img { width: 22px; height: 22px; }
.impact-detail-radar .impact-detail-icon { background: #e9f7fb; }
.impact-detail-collect .impact-detail-icon { background: var(--amber-soft); }
.impact-detail-reward .impact-detail-icon { background: var(--green-soft); }
.impact-detail-value { display: flex; align-items: baseline; gap: 7px; margin: 24px 0 0; }
.impact-detail-value strong { max-width: 100%; overflow: hidden; color: var(--ink); font-size: clamp(30px, 2.8vw, 40px); line-height: 1; letter-spacing: -.045em; text-overflow: ellipsis; white-space: nowrap; }
.impact-detail-value span { color: var(--muted); font-size: 13px; font-weight: 700; }
.impact-detail-copy { min-height: 48px; margin: 12px 0 0; color: var(--muted); font-size: 13px; line-height: 1.65; }

.impact-breakdown { margin-top: auto; padding-top: 16px; border-top: 1px solid #e9eff6; }
.impact-breakdown summary { min-height: 36px; display: flex; align-items: center; color: var(--blue); font-size: 13px; font-weight: 700; cursor: pointer; list-style: none; }
.impact-breakdown summary::-webkit-details-marker { display: none; }
.impact-breakdown summary::after { width: 18px; height: 18px; margin-left: auto; background: url("./icons/chevron-down.svg") center / 18px no-repeat; content: ""; transition: transform .18s ease; }
.impact-breakdown[open] summary::after { transform: rotate(180deg); }
.impact-breakdown ul { display: grid; gap: 8px; margin: 10px 0 0; padding: 0; list-style: none; }
.impact-breakdown li { display: flex; justify-content: space-between; gap: 12px; color: var(--body); font-size: 12px; }
.impact-breakdown li span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.impact-breakdown li strong { color: var(--ink); white-space: nowrap; }

.impact-status {
  margin: 20px 0 0;
  color: #8b6510;
  font-size: 13px;
  text-align: center;
}

.launch-section { padding: 96px 0 104px; }

.launch-countdown {
  display: grid;
  grid-template-columns: minmax(340px, .9fr) minmax(500px, 1.1fr);
  gap: 42px;
  align-items: center;
  margin-top: 0;
  padding: 38px 42px;
  border: 1px solid #cfe0f4;
  border-radius: 22px;
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.launch-countdown-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .04em;
}

.launch-countdown-kicker img { width: 20px; height: 20px; }
.launch-countdown-copy h2 { margin: 0; color: var(--ink); font-size: clamp(25px, 2.5vw, 34px); line-height: 1.35; letter-spacing: -.03em; }
.launch-countdown-copy > p:not(.launch-countdown-kicker) { max-width: 480px; margin: 14px 0 0; color: var(--body); font-size: 14px; line-height: 1.8; }
.launch-countdown-copy time { display: block; margin-top: 16px; color: var(--blue); font-size: 13px; font-weight: 800; }

.launch-countdown-timer { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.launch-countdown-unit { min-width: 0; display: grid; place-items: center; padding: 18px 10px 14px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.launch-countdown-unit strong { max-width: 100%; overflow: hidden; color: var(--ink); font-size: clamp(34px, 4vw, 50px); line-height: 1; letter-spacing: -.055em; text-overflow: ellipsis; white-space: nowrap; }
.launch-countdown-unit small { margin-top: 8px; color: var(--muted); font-size: 12px; font-weight: 700; }
.launch-countdown-status { grid-column: 1 / -1; margin: -16px 0 0; color: var(--muted); font-size: 13px; text-align: right; }
[data-launch-countdown][data-state="launched"] { border-color: #bfe5cf; }
[data-launch-countdown][data-state="launched"] .launch-countdown-unit strong { color: var(--green); }
.download-hero { padding-bottom: 96px; }
.download-launch-countdown { position: relative; margin-top: 42px; text-align: left; }

.loyalty-home-card {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  margin-top: 18px;
  padding: 22px 26px;
  border: 1px solid #cfe0f4;
  border-radius: 18px;
  color: inherit;
  background: var(--white);
  box-shadow: 0 8px 28px rgba(20, 61, 112, .06);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}
.loyalty-home-card:hover { border-color: #9fc3ee; box-shadow: var(--shadow-soft); transform: translateY(-2px); }
[data-launch-countdown][hidden] + .loyalty-home-card { margin-top: 0; }
.loyalty-home-icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 15px; background: var(--blue-soft); }
.loyalty-home-icon img { width: 28px; height: 28px; }
.loyalty-home-copy { min-width: 0; display: grid; }
.loyalty-home-copy small { color: var(--blue); font-size: 12px; font-weight: 800; }
.loyalty-home-copy strong { margin-top: 3px; color: var(--ink); font-size: 20px; }
.loyalty-home-copy > span { margin-top: 5px; color: var(--body); font-size: 13px; line-height: 1.65; }
.loyalty-home-link { display: flex; align-items: center; gap: 7px; color: var(--blue); font-size: 13px; font-weight: 800; white-space: nowrap; }
.loyalty-home-link img { width: 18px; height: 18px; }

.campaign-hero { padding-bottom: 96px; }
.campaign-hero .lead { max-width: 780px; }
.campaign-hero .hero-actions { justify-content: center; margin-top: 30px; }
.campaign-launch {
  width: fit-content;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 22px auto 0;
  padding: 9px 14px;
  border: 1px solid #cfe0f4;
  border-radius: 999px;
  color: var(--blue);
  background: var(--white);
  font-size: 13px;
  font-weight: 800;
}
.campaign-launch img { width: 18px; height: 18px; }
.campaign-rewards { scroll-margin-top: 86px; padding-top: 66px; }
.campaign-reward-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.campaign-reward-card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow-soft);
}
.campaign-reward-card > span { display: block; color: var(--blue); font-size: 13px; font-weight: 800; }
.campaign-reward-card strong { display: block; margin-top: 9px; color: var(--ink); font-size: 28px; line-height: 1.3; }
.campaign-reward-card p { margin: 12px 0 0; font-size: 14px; }
.campaign-formula {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 22px;
  padding: 20px 24px;
  border: 1px solid #cfe0f4;
  border-radius: 18px;
  color: var(--body);
  background: var(--blue-soft);
  font-size: 14px;
  font-weight: 750;
  text-align: center;
}
.campaign-formula b { color: var(--blue); font-size: 20px; }
.campaign-formula strong { color: var(--ink); font-size: 16px; }
.campaign-examples { scroll-margin-top: 86px; }
.campaign-example-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.campaign-example-card {
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 8px 26px rgba(20, 61, 112, .05);
}
.campaign-example-card > span { color: var(--blue); font-size: 12px; font-weight: 800; }
.campaign-example-card h3 { margin: 10px 0 0; color: var(--ink); font-size: 18px; }
.campaign-example-card p { margin: 8px 0 0; color: var(--muted); font-size: 13px; }
.campaign-example-card strong { display: block; margin-top: 20px; color: var(--blue); font-size: 25px; }
.campaign-guide-layout { display: grid; grid-template-columns: 230px minmax(0, 1fr); align-items: start; gap: 54px; }
.campaign-guide-layout .article-toc p { margin: 18px 0 0; color: var(--muted); font-size: 12px; }
.campaign-heading-left { margin-bottom: 28px; text-align: left; }
.campaign-heading-left .section-copy { margin-left: 0; }
.campaign-step-list { display: grid; gap: 14px; }
.campaign-step {
  scroll-margin-top: 108px;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
}
.campaign-step > span { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px; color: var(--blue); background: var(--blue-soft); font-size: 16px; font-weight: 800; }
.campaign-step h3 { margin: 0; color: var(--ink); font-size: 19px; }
.campaign-step p { margin: 7px 0 0; font-size: 14px; }
.campaign-rules-layout { display: grid; grid-template-columns: .75fr 1.25fr; align-items: start; gap: 64px; }
.campaign-rules-layout .section-copy { margin-left: 0; }
.campaign-rule-list { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; }
.campaign-rule-list li { display: flex; align-items: flex-start; gap: 12px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); }
.campaign-rule-list img { width: 20px; height: 20px; flex: 0 0 auto; margin-top: 3px; }
.campaign-rule-list span { color: var(--body); font-size: 14px; }
.campaign-bottom-actions { max-width: 860px; margin-right: auto; margin-left: auto; }

.section { padding: 96px 0; }
.section-soft { background: var(--surface); }

.section-heading { max-width: 760px; margin: 0 auto 52px; text-align: center; }
.section-heading.left { margin-right: 0; margin-left: 0; text-align: left; }

.section-title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(31px, 3.2vw, 46px);
  line-height: 1.3;
  letter-spacing: -.035em;
}

.section-copy { margin: 16px auto 0; color: var(--body); font-size: 17px; line-height: 1.9; }

.steps { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 54px; }

.step { position: relative; padding: 10px 14px 0; }
.step-head { display: flex; align-items: center; gap: 14px; }
.step-number { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%; color: var(--white); background: var(--blue); font-size: 20px; font-weight: 800; box-shadow: 0 8px 22px rgba(18, 104, 243, .22); }
.step:nth-child(1) .step-number { background: #20ad4a; }
.step:nth-child(2) .step-number { background: var(--amber); }
.step h3 { margin: 0; color: var(--ink); font-size: 18px; }
.step p { margin: 15px 0 0 60px; color: var(--body); font-size: 14px; }
.step-visual { width: 94px; height: 94px; margin: 26px auto 0; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--blue); background: var(--white); box-shadow: var(--shadow-soft); }
.step-visual.amber { color: var(--amber); }
.step-visual.green { color: var(--green); }

.feature-split { display: grid; grid-template-columns: 350px 1fr; gap: 54px; align-items: center; }
.feature-points { display: grid; gap: 12px; margin-top: 28px; }
.feature-point { display: grid; grid-template-columns: 46px 1fr; gap: 14px; align-items: start; padding: 10px 0; }
.feature-point-icon { width: 46px; height: 46px; display: grid; place-items: center; border-radius: 14px; color: var(--blue); background: var(--blue-soft); }
.feature-point:nth-child(2) .feature-point-icon { color: var(--green); background: var(--green-soft); }
.feature-point:nth-child(3) .feature-point-icon { color: #c67f00; background: var(--amber-soft); }
.feature-point:nth-child(4) .feature-point-icon { color: #0b9c99; background: #e6f8f7; }
.feature-point h3 { margin: 0; color: var(--ink); font-size: 17px; }
.feature-point p { margin: 5px 0 0; font-size: 14px; }

.feature-shot {
  transform: perspective(1600px) rotateY(-3deg) rotateX(1deg);
  transform-origin: center right;
}

.download-strip { padding: 72px 0 88px; text-align: center; }
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px; }

.download-card {
  min-height: 118px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--white);
  text-align: left;
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.download-card:hover { border-color: #aac7ec; box-shadow: var(--shadow-soft); transform: translateY(-3px); }
.download-card img { width: 42px; height: 42px; }
.download-card strong { display: block; color: var(--ink); font-size: 17px; }
.download-card span { display: block; margin-top: 2px; color: var(--muted); font-size: 13px; }
.download-card .release-state { margin-left: auto; color: var(--blue); font-weight: 700; white-space: nowrap; }
.text-link { min-height: 44px; display: inline-flex; align-items: center; gap: 7px; margin-top: 22px; color: var(--blue); font-weight: 700; }

.page-hero { position: relative; padding: 84px 0 74px; background: var(--white) url("./flow-wave.webp") center bottom / 100% 320px no-repeat; }
.page-hero-centered { text-align: center; }
.page-hero-centered .lead { margin-right: auto; margin-left: auto; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 42px; }
.stat { padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255,255,255,.9); box-shadow: var(--shadow-soft); }
.stat strong { display: block; color: var(--ink); font-size: 24px; }
.stat span { color: var(--muted); font-size: 14px; }

.reason-grid, .capability-grid, .help-category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { padding: 30px; border: 1px solid var(--line); border-radius: 18px; background: var(--white); box-shadow: var(--shadow-soft); }
.card-icon { width: 52px; height: 52px; display: grid; place-items: center; margin-bottom: 22px; border-radius: 16px; color: var(--blue); background: var(--blue-soft); }
.card h2, .card h3 { margin: 0; color: var(--ink); font-size: 20px; }
.card p { margin: 10px 0 0; font-size: 14px; }
.card-link { min-height: 44px; display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; color: var(--blue); font-size: 14px; font-weight: 700; }

.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
.compare-panel { padding: 36px; border-radius: 20px; border: 1px solid var(--line); background: var(--white); }
.compare-panel.featured { border-color: #b9d4f8; box-shadow: var(--shadow); }
.compare-panel .label { display: inline-flex; padding: 5px 10px; border-radius: 999px; color: var(--blue); background: var(--blue-soft); font-size: 12px; font-weight: 800; }
.compare-panel h2 { margin: 16px 0 0; color: var(--ink); font-size: 28px; }
.check-list { display: grid; gap: 14px; margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li { display: flex; gap: 10px; align-items: flex-start; }
.check-list img { width: 20px; height: 20px; margin-top: 3px; color: var(--green); }

.product-hero-grid { display: grid; grid-template-columns: .84fr 1.16fr; gap: 50px; align-items: center; }
.product-hero-shot { transform: perspective(1600px) rotateY(-4deg); }

.capability-grid { grid-template-columns: repeat(4, 1fr); }
.capability-grid .card { padding: 26px; }

.showcase { display: grid; grid-template-columns: 1.1fr .9fr; gap: 52px; align-items: center; }
.showcase.reverse { grid-template-columns: .9fr 1.1fr; }
.showcase.reverse .showcase-visual { order: 2; }
.showcase-copy h2 { margin: 0; color: var(--ink); font-size: clamp(30px, 3vw, 42px); line-height: 1.35; }
.showcase-copy p { margin: 16px 0 0; }
.showcase-list { display: grid; gap: 12px; margin: 24px 0 0; padding: 0; list-style: none; }
.showcase-list li { display: flex; gap: 10px; align-items: flex-start; }
.showcase-list img { width: 20px; height: 20px; margin-top: 4px; }

.platform-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.platform-card { padding: 34px; border: 1px solid var(--line); border-radius: 20px; background: var(--white); box-shadow: var(--shadow-soft); text-align: center; }
.platform-icon { width: 72px; height: 72px; display: grid; place-items: center; margin: 0 auto 24px; border-radius: 20px; background: var(--surface); }
.platform-icon img { width: 42px; height: 42px; }
.platform-card h2 { margin: 0; color: var(--ink); font-size: 24px; }
.platform-card p { min-height: 56px; margin: 10px 0 22px; color: var(--muted); font-size: 14px; }
.platform-card .button { width: 100%; }
.release-note { margin-top: 24px; padding: 17px 20px; border: 1px solid #f1dfaa; border-radius: 14px; color: #735208; background: var(--amber-soft); text-align: left; }

.requirements { margin: 20px 0 0; padding: 0; list-style: none; text-align: left; }
.requirements li { padding: 8px 0; border-bottom: 1px solid #edf2f7; font-size: 14px; }
.requirements li:last-child { border-bottom: 0; }

.help-search-wrap { max-width: 680px; margin: 32px auto 0; }
.help-search { position: relative; }
.help-search > img { position: absolute; top: 50%; left: 18px; width: 22px; height: 22px; transform: translateY(-50%); }
.help-search input { width: 100%; height: 58px; padding: 0 20px 0 54px; border: 1px solid var(--line); border-radius: 15px; color: var(--ink); background: var(--white); box-shadow: var(--shadow-soft); font-size: 16px; }
.help-search input:focus { border-color: var(--blue); outline: none; }
.search-status { min-height: 28px; margin: 10px 0 0; color: var(--muted); font-size: 13px; text-align: center; }

.help-category-grid { grid-template-columns: repeat(4, 1fr); }
.help-category-grid .card { padding: 26px; }

.popular-list { max-width: 860px; margin: 0 auto; display: grid; gap: 12px; }
.popular-link { min-height: 66px; display: flex; align-items: center; gap: 14px; padding: 14px 18px; border: 1px solid var(--line); border-radius: 13px; background: var(--white); }
.popular-link:hover { border-color: #b8d0ef; box-shadow: var(--shadow-soft); }
.popular-link > img { width: 21px; height: 21px; }
.popular-link span { color: var(--ink); font-weight: 650; }
.popular-link .arrow { margin-left: auto; color: var(--blue); }

.article-layout { display: grid; grid-template-columns: 230px minmax(0, 760px); gap: 48px; align-items: start; }
.article-toc { position: sticky; top: 104px; }
.article-toc strong { display: block; margin-bottom: 12px; color: var(--ink); }
.article-toc nav { display: grid; gap: 4px; }
.article-toc a { padding: 8px 12px; border-left: 2px solid var(--line); color: var(--body); font-size: 14px; }
.article-toc a:hover { color: var(--blue); border-left-color: var(--blue); }
.article h1 { margin: 0; color: var(--ink); font-size: clamp(34px, 4vw, 50px); line-height: 1.3; }
.article-meta { margin: 12px 0 34px; color: var(--muted); font-size: 14px; }
.article h2 { scroll-margin-top: 108px; margin: 44px 0 14px; color: var(--ink); font-size: 26px; }
.article h3 { margin: 26px 0 10px; color: var(--ink); font-size: 19px; }
.article p { margin: 12px 0; }
.article ol, .article ul { padding-left: 24px; }
.article li { margin: 10px 0; }
.article-note { margin: 24px 0; padding: 18px 20px; border-left: 3px solid var(--blue); border-radius: 0 12px 12px 0; background: var(--blue-soft); }
.article-actions { display: flex; gap: 12px; margin-top: 42px; padding-top: 26px; border-top: 1px solid var(--line); flex-wrap: wrap; }

.faq-list { max-width: 860px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: 14px; background: var(--white); overflow: hidden; }
.faq-item summary { min-height: 64px; display: flex; align-items: center; gap: 12px; padding: 14px 20px; color: var(--ink); cursor: pointer; font-weight: 700; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { width: 20px; height: 20px; margin-left: auto; background: url("./icons/chevron-down.svg") center / 20px no-repeat; content: ""; transition: transform .18s ease; }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-answer { padding: 0 20px 20px; }
.faq-answer p { margin: 0; }

.empty-state { padding: 38px; color: var(--muted); text-align: center; }
[hidden] { display: none !important; }

.site-footer { padding: 58px 0 28px; color: #a8b8ca; background: #091b32; }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 44px; }
.footer-brand .brand-copy strong { color: var(--white); }
.footer-brand p { max-width: 330px; margin: 18px 0 0; font-size: 13px; }
.footer-column strong { display: block; margin-bottom: 12px; color: var(--white); font-size: 14px; }
.footer-column a { min-height: 38px; display: flex; align-items: center; color: #a8b8ca; font-size: 13px; }
.footer-column a:hover { color: var(--white); }
.footer-bottom { display: flex; justify-content: space-between; gap: 24px; margin-top: 38px; padding-top: 22px; border-top: 1px solid #24364d; font-size: 12px; }

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 200;
  max-width: min(420px, calc(100vw - 32px));
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 18px;
  border: 1px solid #bed4ef;
  border-radius: 13px;
  color: var(--ink);
  background: var(--white);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity .18s ease, transform .18s ease;
}
.toast.show { opacity: 1; pointer-events: auto; transform: translateY(0); }

@media (max-width: 1080px) {
  .nav-links { gap: 25px; }
  .nav-download { min-width: auto; }
  .hero-grid { grid-template-columns: .85fr 1.15fr; gap: 30px; }
  .display-title { font-size: 50px; }
  .impact-detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .launch-countdown { grid-template-columns: minmax(280px, .75fr) minmax(460px, 1.25fr); gap: 28px; padding: 34px; }
  .feature-split { grid-template-columns: 300px 1fr; gap: 36px; }
  .capability-grid, .help-category-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .container { width: min(calc(100% - 36px), var(--container)); }
  .site-nav { min-height: 68px; }
  .brand { min-width: 0; }
  .brand img { width: 40px; height: 40px; }
  .brand-copy strong { font-size: 18px; }
  .brand-copy small { display: none; }
  .nav-download { display: none; }
  .menu-button { display: grid; place-items: center; }
  .nav-links {
    position: absolute;
    top: 68px;
    right: 0;
    left: 0;
    min-height: calc(100vh - 68px);
    display: grid;
    align-content: start;
    justify-content: stretch;
    gap: 2px;
    padding: 18px;
    background: rgba(255, 255, 255, .98);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity .18s ease, transform .18s ease;
  }
  .nav-links.open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .nav-links a { min-height: 58px; padding: 0 max(18px, calc((100vw - var(--container)) / 2)); border-bottom: 1px solid var(--line); font-size: 17px; }
  .nav-links a::after { display: none; }
  .hero { min-height: 0; padding: 58px 0 90px; }
  .hero-grid, .product-hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 680px; }
  .hero-shot, .product-hero-shot { width: 100%; transform: none; }
  .impact-section, .launch-section { padding: 82px 0 88px; }
  .launch-countdown { grid-template-columns: 1fr; gap: 28px; }
  .launch-countdown-copy > p:not(.launch-countdown-kicker) { max-width: 680px; }
  .launch-countdown-status { margin-top: -10px; text-align: left; }
  .download-hero { padding-bottom: 82px; }
  .loyalty-home-card { grid-template-columns: 52px minmax(0, 1fr); }
  .loyalty-home-link { grid-column: 2; }
  .campaign-reward-grid, .campaign-example-grid { grid-template-columns: 1fr; }
  .campaign-guide-layout, .campaign-rules-layout { grid-template-columns: 1fr; gap: 32px; }
  .campaign-guide-layout .article-toc { position: static; }
  .steps { gap: 20px; }
  .step p { margin-left: 0; }
  .feature-split { grid-template-columns: 1fr; }
  .feature-split .section-heading { max-width: 660px; }
  .feature-shot { transform: none; }
  .reason-grid { grid-template-columns: repeat(2, 1fr); }
  .compare, .showcase, .showcase.reverse { grid-template-columns: 1fr; }
  .showcase.reverse .showcase-visual { order: 0; }
  .platform-grid { grid-template-columns: 1fr; max-width: 620px; margin: 0 auto; }
  .platform-card p { min-height: 0; }
  .article-layout { grid-template-columns: 1fr; }
  .article-toc { position: static; padding: 16px; border: 1px solid var(--line); border-radius: 14px; }
  .article-toc nav { grid-template-columns: repeat(3, 1fr); }
  .article-toc a { border-left: 0; border-bottom: 2px solid var(--line); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-column:last-child { grid-column: 2 / 4; display: flex; gap: 20px; align-items: center; }
  .footer-column:last-child strong { margin: 0; }
}

@media (max-width: 640px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .display-title { font-size: 39px; line-height: 1.22; }
  .eyebrow { font-size: 14px; }
  .lead { margin-top: 18px; font-size: 16px; line-height: 1.8; }
  .hero { padding-top: 42px; background-size: auto 310px; }
  .hero-grid { gap: 38px; }
  .hero-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 26px; }
  .hero-actions .button { padding: 0 13px; }
  .product-shot { border-radius: 12px; }
  .hero-shot { width: 108%; margin-left: -4%; }
  .hero-shot img { min-height: 330px; object-fit: cover; object-position: 79% center; }
  .impact-section, .launch-section { padding: 68px 0 72px; }
  .impact-heading { margin-bottom: 32px; }
  .impact-summary { grid-template-columns: 1fr; gap: 14px; }
  .impact-summary-card { min-height: 0; grid-template-columns: 1fr; gap: 22px; padding: 23px; }
  .impact-summary-card dd { justify-content: flex-start; text-align: left; }
  .impact-summary-card dd strong { font-size: 46px; }
  .impact-detail-block { margin-top: 28px; padding-top: 26px; }
  .impact-detail-heading { display: block; margin-bottom: 18px; }
  .impact-detail-heading h3 { font-size: 21px; }
  .impact-detail-heading .impact-period { margin-top: 10px; white-space: normal; }
  .impact-detail-grid { grid-template-columns: 1fr; gap: 12px; }
  .impact-detail-card { padding: 21px; }
  .impact-detail-copy { min-height: 0; }
  .launch-countdown { gap: 24px; padding: 26px 22px; border-radius: 18px; }
  .launch-countdown-copy h2 { font-size: 26px; }
  .launch-countdown-timer { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .launch-countdown-unit { padding: 16px 10px 13px; }
  .launch-countdown-unit strong { font-size: 38px; }
  .launch-countdown-status { margin: 0; }
  .download-hero { padding-bottom: 72px; }
  .download-launch-countdown { margin-top: 32px; }
  .loyalty-home-card { grid-template-columns: 44px minmax(0, 1fr); gap: 14px; padding: 20px 18px; }
  .loyalty-home-icon { width: 44px; height: 44px; border-radius: 13px; }
  .loyalty-home-icon img { width: 24px; height: 24px; }
  .loyalty-home-copy strong { font-size: 18px; }
  .loyalty-home-link { justify-self: start; }
  .campaign-hero { padding-bottom: 76px; }
  .campaign-hero .hero-actions { display: grid; }
  .campaign-hero .hero-actions .button { width: 100%; }
  .campaign-reward-card { padding: 24px 22px; }
  .campaign-formula { display: grid; grid-template-columns: 1fr; gap: 7px; padding: 19px 16px; }
  .campaign-formula b { line-height: 1; }
  .campaign-example-card { padding: 23px 21px; }
  .campaign-step { grid-template-columns: 38px minmax(0, 1fr); gap: 14px; padding: 20px 18px; }
  .campaign-step > span { width: 38px; height: 38px; border-radius: 12px; }
  .campaign-rule-list li { padding: 15px; }
  .section { padding: 68px 0; }
  .section-title { font-size: 30px; }
  .section-copy { font-size: 15px; }
  .section-heading { margin-bottom: 34px; }
  .steps { grid-template-columns: 1fr; gap: 32px; }
  .step { display: grid; grid-template-columns: 1fr 92px; column-gap: 16px; align-items: center; padding: 0; }
  .step-head, .step p { grid-column: 1; }
  .step p { margin: 10px 0 0 60px; }
  .step-visual { grid-column: 2; grid-row: 1 / 3; width: 82px; height: 82px; margin: 0; }
  .feature-points { gap: 4px; }
  .feature-shot img, .product-hero-shot img { min-height: 310px; object-fit: cover; object-position: 72% center; }
  .download-grid, .stats, .reason-grid, .capability-grid, .help-category-grid { grid-template-columns: 1fr; }
  .download-card { min-height: 102px; padding: 20px; }
  .download-card .release-state { font-size: 13px; }
  .page-hero { padding: 58px 0 68px; background-size: auto 300px; }
  .card { padding: 24px; }
  .compare-panel { padding: 26px; }
  .showcase { gap: 28px; }
  .platform-card { padding: 28px 22px; }
  .article-toc nav { grid-template-columns: 1fr; }
  .article { min-width: 0; }
  .article h2 { font-size: 23px; }
  .article-actions { display: grid; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-column:last-child { grid-column: 1 / -1; display: block; }
  .footer-column:last-child strong { margin-bottom: 12px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .toast { right: 16px; bottom: 16px; left: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}