:root {
  --ink: #10233b;
  --muted: #5f7188;
  --line: #d8e1eb;
  --paper: #f4f7fb;
  --panel: #ffffff;
  --brand: #1f67ff;
  --deep: #15315b;
  --teal: #0b8f83;
  --soft: #eaf0f7;
  --radius: 8px;
}

body {
  font-family: "Noto Sans SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(31, 103, 255, .035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(31, 103, 255, .03) 1px, transparent 1px),
    var(--paper);
  background-size: 30px 30px;
}

html,
body {
  overflow-x: hidden;
}

.prod-nav-logo {
  border-radius: 0;
}

.prod-nav-links a:hover {
  color: var(--brand);
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 999px;
  border: 1.5px solid rgba(16, 35, 59, .12);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
  font-size: 15px;
  font-weight: 800;
  transition: border-color .2s, color .2s;
  white-space: nowrap;
}

.lang-switch:hover,
.lang-switch:focus-visible {
  border-color: var(--brand);
  color: var(--brand);
  outline: none;
}

.prod-breadcrumb a:hover {
  color: var(--brand);
}

.sevnce-hero {
  grid-template-columns: minmax(420px, .95fr) minmax(0, .88fr);
  align-items: stretch;
  margin-top: 18px;
}

.sevnce-carousel {
  min-height: 470px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, #fff, #eef4fb);
}

.sevnce-carousel .prod-carousel-track {
  height: 100%;
}

.sevnce-carousel .prod-carousel-slide {
  min-height: 470px;
  flex-direction: column;
  gap: 12px;
  padding: 28px 30px 24px;
}

.sevnce-carousel .prod-carousel-slide img,
.sevnce-carousel .prod-carousel-slide video {
  height: 338px;
  aspect-ratio: auto;
  padding: 0;
  object-fit: contain;
  filter: drop-shadow(0 18px 28px rgba(21, 49, 91, .16));
}

.sevnce-carousel .prod-carousel-slide video {
  background: #0c1624;
  border-radius: var(--radius);
}

.sevnce-carousel .prod-carousel-dot.active {
  background: var(--brand);
  width: 24px;
  border-radius: 4px;
}

.sevnce-control {
  text-decoration: none;
}

.sevnce-slide-caption {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.sevnce-slide-caption strong {
  color: var(--deep);
  font-size: 22px;
  line-height: 1.25;
}

.sevnce-slide-caption span {
  color: var(--muted);
  font-weight: 700;
  line-height: 1.55;
}

.sevnce-hero-body {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--deep);
  color: #fff;
  border-radius: var(--radius);
  padding: clamp(30px, 4vw, 54px);
}

.sevnce-hero-body .prod-hero-company,
.sevnce-hero-body .prod-hero-tagline {
  color: #d8e7fb;
}

.sevnce-hero-body .prod-hero-name {
  color: #fff;
  letter-spacing: 0;
}

.sevnce-english {
  margin: 0 0 18px;
  color: #9cc4ff;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 0;
}

.sevnce-hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 8px;
}

.sevnce-hero-facts div {
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: var(--radius);
  padding: 12px;
  background: rgba(255, 255, 255, .06);
}

.sevnce-hero-facts dt {
  color: #9cc4ff;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 4px;
}

.sevnce-hero-facts dd {
  margin: 0;
  color: #fff;
  font-size: 13px;
  line-height: 1.45;
  font-weight: 800;
}

.sevnce-fit {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 26px;
  color: var(--ink);
  display: grid;
  gap: 12px;
}

.sevnce-fit p {
  margin: 0;
  line-height: 1.85;
}

.table-shell {
  width: 100%;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.compare-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

.compare-table th,
.compare-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
}

.compare-table thead th {
  background: #eaf0f7;
  color: var(--deep);
  font-size: 14px;
  font-weight: 900;
}

.compare-table tbody tr:nth-child(even) td,
.compare-table tbody tr:nth-child(even) th {
  background: #f8fafc;
}

.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td {
  border-bottom: 0;
}

.compare-table th:first-child {
  width: 260px;
  color: var(--deep);
}

.prod-feature {
  border-radius: var(--radius);
  border-left-color: var(--brand);
}

.prod-feature-title {
  line-height: 1.55;
}

.sevnce-app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 26px 18px;
  align-items: start;
}

.sevnce-app-item {
  min-height: 112px;
  display: grid;
  justify-items: center;
  align-content: start;
  gap: 12px;
  text-align: center;
}

.sevnce-app-icon {
  width: 76px;
  height: 72px;
  display: grid;
  place-items: center;
  color: var(--brand);
}

.sevnce-app-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}

.sevnce-app-label {
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.25;
}

.sevnce-empty-note {
  margin: 0;
  padding: 22px 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-weight: 700;
}

.prod-bottom {
  margin-top: 20px;
}

.prod-bottom-cta {
  background: var(--brand);
  color: #fff;
}

.prod-bottom-link:hover {
  color: var(--brand);
}

.sevnce-index {
  max-width: 1320px;
  margin: 0 auto;
  padding: 24px 24px 72px;
}

.sevnce-index-hero {
  background: var(--deep);
  color: #fff;
  border-radius: var(--radius);
  padding: clamp(30px, 5vw, 58px);
  margin-bottom: 26px;
}

.sevnce-index-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.08;
  letter-spacing: 0;
}

.sevnce-index-hero p {
  max-width: 820px;
  margin: 0;
  color: #d8e7fb;
  line-height: 1.8;
}

.sevnce-index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.sevnce-index-card {
  min-height: 168px;
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  transition: transform .18s ease, border-color .18s ease;
}

.sevnce-index-card:hover {
  transform: translateY(-3px);
  border-color: rgba(31, 103, 255, .45);
}

.sevnce-index-card span {
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
}

.sevnce-index-card strong {
  font-size: 21px;
  line-height: 1.3;
}

.sevnce-index-card small {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

@media (max-width: 900px) {
  .prod-nav {
    width: 100%;
    max-width: 100%;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .prod-nav-logo {
    width: min(254px, 70vw);
  }

  .prod-nav-links {
    width: 100%;
    min-width: 0;
    display: grid;
    grid-template-columns: repeat(3, max-content);
    justify-content: flex-start;
    gap: 10px 16px;
  }

  .prod-nav-links a {
    font-size: 13px;
  }

  .lang-switch {
    padding: 7px 14px;
    font-size: 13px;
  }

  .sevnce-hero {
    grid-template-columns: 1fr;
    padding: 0 16px;
  }

  .prod-breadcrumb,
  .prod-section,
  .prod-bottom {
    padding-left: 16px;
    padding-right: 16px;
  }

  .prod-breadcrumb,
  .prod-hero-name,
  .prod-hero-tagline,
  .sevnce-english {
    overflow-wrap: anywhere;
  }

  .sevnce-hero-body {
    min-width: 0;
  }

  .sevnce-carousel,
  .sevnce-carousel .prod-carousel-slide {
    min-height: 380px;
  }

  .sevnce-carousel .prod-carousel-slide {
    padding: 18px;
  }

  .sevnce-carousel .prod-carousel-slide img,
  .sevnce-carousel .prod-carousel-slide video {
    height: 238px;
  }

  .sevnce-slide-caption {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .sevnce-slide-caption strong {
    font-size: 18px;
  }

  .sevnce-hero-facts {
    grid-template-columns: 1fr;
  }

  .sevnce-app-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px 12px;
  }

  .sevnce-app-icon {
    width: 58px;
    height: 54px;
  }

  .sevnce-app-label {
    font-size: 15px;
  }
}