:root {
  --ink: #1d1a1f;
  --muted: #665f68;
  --line: #e9e2df;
  --paper: #fffaf7;
  --soft: #f6eeee;
  --rose: #bf6073;
  --gold: #c79a3d;
  --sage: #6d927f;
  --blue: #405f78;
  --shadow: 0 24px 70px rgba(68, 50, 48, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 6vw;
  background: rgba(255, 250, 247, 0.86);
  border-bottom: 1px solid rgba(233, 226, 223, 0.84);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 17px;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #fff;
  background: var(--ink);
  border-radius: 50%;
  font-size: 13px;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a:hover {
  color: var(--ink);
}

.nav-cta {
  padding: 10px 16px;
  color: #fff !important;
  background: var(--ink);
  border-radius: 999px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fff;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, 520px);
  gap: 58px;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 7vh 6vw 9vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 12% 20%, rgba(191, 96, 115, 0.16), transparent 28%),
    linear-gradient(125deg, #fffaf7 0%, #f7ece9 46%, #f5f8f5 100%);
}

.hero-content {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--rose);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(64px, 12vw, 132px);
  line-height: 0.92;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.3;
}

.hero-copy,
.section-heading p,
.operation p,
.entry-copy p {
  color: var(--muted);
  font-size: 18px;
}

.hero-copy {
  max-width: 610px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 700;
}

.button.primary {
  color: #fff;
  background: var(--ink);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.56);
}

.hero-visual {
  position: relative;
  display: grid;
  justify-items: center;
}

.phone {
  width: min(100%, 360px);
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 38px;
  background: #2a2428;
  box-shadow: var(--shadow);
}

.phone-bar {
  width: 86px;
  height: 5px;
  margin: 8px auto 14px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.28);
}

.phone-screen {
  min-height: 570px;
  padding: 20px;
  border-radius: 28px;
  background:
    linear-gradient(180deg, rgba(191, 96, 115, 0.2), transparent 36%),
    #fffaf7;
}

.profile-panel {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px;
  border-radius: 22px;
  color: #fff;
  background: linear-gradient(135deg, #2c272b, #5e4048);
}

.profile-panel strong,
.profile-panel span {
  display: block;
}

.profile-panel span:not(.level-badge) {
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
}

.level-badge {
  display: grid;
  width: 58px;
  height: 58px;
  flex: 0 0 auto;
  place-items: center;
  color: #fff;
  background: var(--gold);
  border-radius: 50%;
  font-weight: 800;
}

.point-card {
  margin: 18px 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
}

.point-card span,
.point-card small {
  display: block;
  color: var(--muted);
}

.point-card strong {
  display: block;
  margin: 8px 0 4px;
  font-size: 44px;
  line-height: 1;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.quick-grid span {
  display: grid;
  min-height: 112px;
  place-items: center;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
}

.quick-grid img {
  width: 38px;
  height: 38px;
  object-fit: contain;
}

.hero-note {
  position: absolute;
  right: 0;
  bottom: 58px;
  max-width: 230px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-note strong,
.hero-note span {
  display: block;
}

.hero-note span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 14px;
}

.section {
  padding: 92px 6vw;
}

.strip {
  background: #fff;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 36px;
}

.tier-grid,
.feature-grid,
.flow-list {
  display: grid;
  gap: 18px;
}

.tier-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tier-card,
.feature-grid article,
.flow-list article {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.74);
}

.tier-card {
  min-height: 230px;
  padding: 28px;
  border-radius: 8px;
}

.tier-card span {
  display: inline-flex;
  margin-bottom: 44px;
  color: var(--rose);
  font-weight: 800;
}

.tier-card.featured {
  color: #fff;
  background: linear-gradient(135deg, #232026, #725260);
  border-color: transparent;
}

.tier-card.featured p,
.tier-card.featured span {
  color: rgba(255, 255, 255, 0.78);
}

.tier-card p,
.feature-grid p,
.flow-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-grid article {
  min-height: 236px;
  padding: 26px;
  border-radius: 8px;
}

.feature-grid img {
  width: 46px;
  height: 46px;
  margin-bottom: 26px;
  object-fit: contain;
}

.flow-section {
  background: linear-gradient(180deg, #f7f4f0, #fffaf7);
}

.flow-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.flow-list article {
  min-height: 250px;
  padding: 26px;
  border-radius: 8px;
}

.flow-list span {
  display: inline-flex;
  margin-bottom: 52px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.operation {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: 44px;
  align-items: center;
  background: #232026;
  color: #fff;
}

.operation .eyebrow,
.operation p {
  color: rgba(255, 255, 255, 0.72);
}

.operation-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.operation-list span {
  min-height: 76px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 38px;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(109, 146, 127, 0.12), transparent 40%),
    #fff;
}

.qr-card {
  justify-self: end;
  width: 260px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffaf7;
  box-shadow: var(--shadow);
  text-align: center;
}

.qr-card img {
  width: 192px;
  height: 192px;
  margin: 0 auto 14px;
  border-radius: 6px;
}

.qr-card span {
  color: var(--muted);
  font-size: 14px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 6vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #fffaf7;
  font-size: 14px;
}

@media (max-width: 980px) {
  .hero,
  .operation,
  .entry {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 64px;
  }

  .hero-visual {
    justify-items: start;
  }

  .hero-note {
    right: 8%;
  }

  .tier-grid,
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .qr-card {
    justify-self: start;
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 64px;
    padding: 0 20px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 64px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px;
  }

  .nav-cta {
    margin-top: 6px;
    text-align: center;
  }

  .hero,
  .section {
    padding-right: 20px;
    padding-left: 20px;
  }

  h1 {
    font-size: 64px;
  }

  h2 {
    font-size: 32px;
  }

  .hero-copy,
  .section-heading p,
  .operation p,
  .entry-copy p {
    font-size: 16px;
  }

  .button {
    width: 100%;
  }

  .phone {
    width: 100%;
    max-width: 360px;
  }

  .phone-screen {
    min-height: 520px;
  }

  .hero-note {
    position: static;
    margin-top: 18px;
  }

  .tier-grid,
  .feature-grid,
  .flow-list,
  .operation-list {
    grid-template-columns: 1fr;
  }

  .entry {
    gap: 24px;
  }

  .qr-card {
    width: 100%;
  }

  .site-footer {
    flex-direction: column;
  }
}