:root {
  color-scheme: light;
  --page: #fbfcfc;
  --surface: #ffffff;
  --text: #252525;
  --muted: #858c88;
  --subtle: #a2a8a4;
  --line: #e5e8e6;
  --line-soft: #eff1ef;
  --brand: #4d66e8;
  --brand-soft: #eef1ff;
  --green-soft: #e5f2ec;
  --green: #348064;
  --shadow: 0 16px 36px rgba(31, 39, 34, .055);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
}

body {
  background: var(--page);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
}

button {
  border: 0;
  cursor: pointer;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(77, 102, 232, .24);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

.addon-page {
  min-height: 100vh;
}

.addon-topbar {
  display: flex;
  height: 64px;
  align-items: center;
  justify-content: space-between;
  padding: 0 36px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, .94);
}

.addon-brand,
.back-link {
  display: inline-flex;
  align-items: center;
}

.addon-brand {
  gap: 10px;
  color: #17191a;
  font-size: 17px;
  font-weight: 750;
}

.addon-brand img {
  display: block;
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.back-link {
  gap: 8px;
  color: #6d7570;
  font-size: 13px;
  transition: color .18s ease;
}

.back-link svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.back-link:hover {
  color: #252a27;
}

.addon-main {
  width: min(100% - 40px, 1080px);
  margin: 0 auto;
  padding: 62px 0 86px;
}

.addon-heading {
  max-width: 690px;
  margin-bottom: 54px;
}

.addon-eyebrow {
  color: var(--brand);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.addon-heading h1 {
  margin: 12px 0 0;
  color: #202422;
  font-size: 36px;
  font-weight: 650;
  letter-spacing: -.03em;
  line-height: 1.2;
}

.addon-heading p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.package-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 19px;
}

.package-section-heading h2 {
  margin: 0;
  color: #303633;
  font-size: 18px;
  font-weight: 650;
}

.package-section-heading p {
  margin: 7px 0 0;
  color: var(--subtle);
  font-size: 12px;
}

.package-count {
  color: var(--subtle);
  font-size: 12px;
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.package-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  min-height: 330px;
  padding: 25px 25px 22px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.package-card-header {
  display: flex;
  min-height: 61px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 19px;
  border-bottom: 1px solid var(--line-soft);
}

.package-card-header h3 {
  margin: 0;
  color: #252a27;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.4;
}

.package-card-header p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.package-tag {
  flex: 0 0 auto;
  padding: 5px 7px;
  border-radius: 5px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 11px;
  line-height: 1;
}

.package-credit {
  padding: 23px 0 16px;
}

.package-credit strong {
  display: block;
  color: #202422;
  font-size: 30px;
  font-weight: 650;
  letter-spacing: -.025em;
  line-height: 1.15;
}

.package-credit strong span {
  margin-left: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0;
}

.package-credit p {
  margin: 8px 0 0;
  color: var(--green);
  font-size: 12px;
}

.package-details {
  display: grid;
  gap: 9px;
  margin: 0;
}

.package-detail {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 15px;
  color: var(--muted);
  font-size: 12px;
}

.package-detail dt,
.package-detail dd {
  margin: 0;
}

.package-detail dd {
  color: #4d5651;
  text-align: right;
}

.package-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 21px;
}

.package-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.package-price strong {
  color: #252a27;
  font-size: 22px;
  font-weight: 700;
}

.package-price strong::first-letter {
  font-size: 13px;
}

.package-price del {
  color: #a2a8a4;
  font-size: 12px;
}

.buy-button {
  min-height: 35px;
  padding: 0 15px;
  border-radius: 8px;
  background: #292d2b;
  color: #fff;
  font-size: 12px;
  font-weight: 650;
  transition: background-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.buy-button:hover {
  background: #111412;
  box-shadow: 0 7px 16px rgba(25, 25, 25, .14);
  transform: translateY(-1px);
}

.package-state {
  padding: 43px 20px;
  border: 1px dashed #dfe4e1;
  border-radius: 12px;
  color: var(--muted);
  text-align: center;
  line-height: 1.7;
}

.toast {
  position: fixed;
  z-index: 10;
  bottom: 28px;
  left: 50%;
  max-width: calc(100% - 40px);
  padding: 11px 16px;
  border: 1px solid #dfe3e0;
  border-radius: 8px;
  background: #292d2b;
  color: #fff;
  box-shadow: 0 10px 26px rgba(0, 0, 0, .14);
  font-size: 13px;
  transform: translateX(-50%);
}

@media (max-width: 860px) {
  .addon-main {
    padding-top: 48px;
  }

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

@media (max-width: 600px) {
  .addon-topbar {
    height: 58px;
    padding: 0 17px;
  }

  .addon-brand img {
    width: 30px;
    height: 30px;
  }

  .addon-brand {
    font-size: 16px;
  }

  .back-link span {
    display: none;
  }

  .addon-main {
    width: min(100% - 32px, 520px);
    padding: 37px 0 55px;
  }

  .addon-heading {
    margin-bottom: 40px;
  }

  .addon-heading h1 {
    font-size: 29px;
  }

  .addon-heading p {
    font-size: 14px;
  }

  .package-section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 5px;
  }

  .package-grid {
    grid-template-columns: 1fr;
  }

  .package-card {
    min-height: 0;
  }
}