*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, "Microsoft YaHei", "PingFang SC", sans-serif;
  color: #172436;
  background:
    radial-gradient(circle at top left, rgba(43, 193, 132, 0.16), transparent 24%),
    radial-gradient(circle at 85% 8%, rgba(42, 103, 208, 0.16), transparent 22%),
    linear-gradient(180deg, #fbfcf9 0%, #eef4ff 100%);
}

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

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

a {
  text-decoration: none;
}

button {
  font: inherit;
}

body.newversion-page {
  --ink: #172436;
  --panel: #fff;
  --line: #d8e4f5;
  --blue: #2a67d0;
  --green: #2bc184;
  --shadow: 0 18px 40px rgba(23, 36, 54, 0.12);
}

.newversion-header,
.newversion-hero,
.newversion-section,
.newversion-footer {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
}

.newversion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, rgba(251, 252, 249, 0.96), rgba(251, 252, 249, 0.82));
  backdrop-filter: blur(10px);
}

.newversion-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.newversion-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #172436, #2a67d0);
  color: #fff;
  font-weight: 700;
}

.newversion-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.newversion-nav a {
  padding: 11px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.newversion-cta {
  background: linear-gradient(135deg, #2bc184, #172436) !important;
  color: #fff !important;
  border-color: transparent !important;
}

.newversion-hero {
  display: grid;
  grid-template-columns: 0.96fr 1.04fr;
  gap: 24px;
  align-items: stretch;
  padding: 22px 0 10px;
}

.newversion-compare,
.newversion-copy,
.newversion-route-grid article,
.newversion-box,
.newversion-faq,
.newversion-final,
.newversion-footer {
  box-shadow: var(--shadow);
}

.newversion-compare,
.newversion-copy,
.newversion-route-grid article,
.newversion-box,
.newversion-faq,
.newversion-final {
  background: var(--panel);
  border: 1px solid rgba(23, 36, 54, 0.08);
  border-radius: 30px;
}

.newversion-compare {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: stretch;
  padding: 24px;
  min-height: 320px;
  background:
    linear-gradient(180deg, rgba(43, 193, 132, 0.1), rgba(42, 103, 208, 0.08)),
    #fff;
}

.newversion-compare-old,
.newversion-compare-new {
  display: grid;
  place-items: center;
  gap: 10px;
  text-align: center;
  border-radius: 26px;
  padding: 20px;
  border: 1px solid var(--line);
}

.newversion-compare-old {
  background: #f7faf8;
}

.newversion-compare-new {
  background: #f4f8ff;
}

.newversion-compare-old span,
.newversion-compare-new span,
.newversion-compare-arrow {
  font-weight: 800;
  font-size: 20px;
}

.newversion-compare-old em,
.newversion-compare-new em {
  font-style: normal;
  color: #5a6e8d;
}

.newversion-compare-arrow {
  display: grid;
  place-items: center;
  color: #2a67d0;
  font-size: 38px;
}

.newversion-copy {
  padding: 28px;
}

.newversion-kicker,
.newversion-tag {
  margin: 0 0 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 13px;
  color: #2a67d0;
  font-weight: 700;
}

.newversion-copy h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.05;
}

.newversion-lead {
  margin: 16px 0 20px;
  color: #394a66;
  line-height: 1.85;
  font-size: 18px;
}

.newversion-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.newversion-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 16px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.newversion-btn:hover {
  transform: translateY(-1px);
}

.newversion-btn:active {
  transform: translateY(1px);
}

.newversion-btn:focus-visible,
.newversion-nav a:focus-visible,
.newversion-faq summary:focus-visible {
  outline: 3px solid rgba(43, 193, 132, 0.34);
  outline-offset: 2px;
}

.newversion-btn.primary {
  background: linear-gradient(135deg, #2a67d0, #172436);
  color: #fff;
}

.newversion-btn.ghost {
  background: #f5f9ff;
  color: var(--ink);
  border-color: var(--line);
}

.newversion-btn.large {
  min-height: 52px;
  padding-inline: 22px;
}

.newversion-section {
  padding: 18px 0;
}

.newversion-head {
  margin-bottom: 14px;
}

.newversion-section h2 {
  margin: 0;
  font-size: clamp(24px, 2.7vw, 34px);
  line-height: 1.14;
}

.newversion-route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.newversion-switch {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 14px;
}

.newversion-switch button {
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 10px 16px;
  font-weight: 700;
  color: var(--ink);
}

.newversion-route-grid article.is-active {
  border-color: rgba(42, 103, 208, 0.48);
  box-shadow: 0 18px 32px rgba(42, 103, 208, 0.12);
}

.newversion-route-grid article,
.newversion-box,
.newversion-final {
  padding: 22px;
}

.newversion-route-grid h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.newversion-route-grid p,
.newversion-box p,
.newversion-final p,
.newversion-faq p,
.newversion-footer p {
  margin: 0;
  color: #394a66;
  line-height: 1.84;
}

.newversion-box {
  display: grid;
  gap: 14px;
}

.newversion-failbox {
  align-items: start;
}

.newversion-faq {
  padding: 22px;
  display: grid;
  gap: 12px;
}

.newversion-faq details {
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #fbfdff;
  padding: 14px 16px;
}

.newversion-faq summary {
  cursor: pointer;
  font-weight: 700;
}

.newversion-final {
  display: grid;
  gap: 18px;
}

.newversion-footer {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 22px 26px;
  margin: 22px auto 104px;
  border-radius: 28px;
  background: linear-gradient(135deg, #172436, #2a67d0);
  color: #fff;
}

.newversion-footer p {
  color: #e8f1ff;
}

.newversion-footer-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 16px;
  background: #2bc184;
  color: #11231f;
  font-weight: 800;
}

.newversion-mobile-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
  background: rgba(12, 18, 29, 0.92);
  backdrop-filter: blur(12px);
}

.newversion-mobile-bar a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 10px 12px;
  border-radius: 16px;
  background: #f5f9ff;
  color: #172436;
  font-weight: 800;
  text-align: center;
}

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

  .newversion-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .newversion-header,
  .newversion-hero,
  .newversion-section,
  .newversion-footer {
    width: min(100% - 20px, 1240px);
  }

  .newversion-compare,
  .newversion-copy,
  .newversion-route-grid article,
  .newversion-box,
  .newversion-faq,
  .newversion-final,
  .newversion-footer {
    border-radius: 22px;
  }

  .newversion-compare {
    grid-template-columns: 1fr;
  }

  .newversion-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .newversion-mobile-bar {
    grid-template-columns: 1fr;
  }

  .newversion-btn,
  .newversion-mobile-bar a {
    width: 100%;
  }

  .newversion-footer {
    margin-bottom: 176px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .newversion-btn {
    transition: none;
  }
}