:root {
  --brand: #20d948;
  color: #17211b;
  background: #f6f8f6;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: #f6f8f6;
  color: #17211b;
  line-height: 1.75;
}

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

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

button, input { font: inherit; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 100;
  padding: 8px 12px;
  background: #fff;
  transform: translateY(-150%);
}

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

.seo-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 88px;
  border-bottom: 1px solid rgba(19, 31, 22, .08);
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 12px 36px rgba(19, 31, 22, .05);
  backdrop-filter: blur(14px);
}

.seo-nav-shell {
  display: flex;
  width: min(1240px, calc(100% - 40px));
  min-height: 88px;
  margin: 0 auto;
  align-items: center;
  gap: 24px;
}

.seo-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
}

.seo-brand img {
  width: 180px;
  height: auto;
  mix-blend-mode: multiply;
}

.seo-desktop-nav {
  display: flex;
  margin-left: auto;
  align-items: center;
  gap: clamp(16px, 1.8vw, 28px);
  color: #3f4540;
  font-size: 14px;
}

.seo-desktop-nav a {
  position: relative;
  white-space: nowrap;
}

.seo-desktop-nav a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--brand);
  content: '';
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 160ms ease;
}

.seo-desktop-nav a:hover::after { transform: scaleX(1); }

.seo-nav-cta {
  min-height: 42px;
  padding: 0 20px;
  border: 1px solid #131613;
  border-radius: 999px;
  background: #171a18;
  color: #fff;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
  white-space: nowrap;
  transition: color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.seo-nav-cta:hover {
  background: var(--brand);
  color: #0b1b0f;
  transform: translateY(-1px);
}

.seo-menu-toggle,
.seo-mobile-nav { display: none; }

.more-link a:hover, .related-box a:hover { color: #0e9f3b; }

.seo-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.seo-hero, .model-hero {
  padding: 88px 0 72px;
  background:
    radial-gradient(circle at 82% 16%, rgba(22, 198, 75, .16), transparent 28%),
    linear-gradient(145deg, #f9fffb, #eef4ef);
}

.seo-hero.compact { padding: 64px 0 54px; }

.seo-hero h1, .model-hero h1 {
  max-width: 840px;
  margin: 12px 0 18px;
  font-size: clamp(34px, 6vw, 64px);
  line-height: 1.08;
  letter-spacing: -.045em;
}

.seo-hero.compact h1 { font-size: clamp(32px, 5vw, 52px); }

.seo-hero p, .model-hero p { max-width: 760px; color: #56645b; }

.eyebrow {
  margin: 0 0 8px;
  color: #0c9a39 !important;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
}

.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; color: #68766d; font-size: 13px; }

.breadcrumb a:hover { color: #0e9f3b; }

.seo-section { padding: 72px 0; background: #fff; }

.seo-section.tinted { background: #f0f5f1; }

.seo-section h2 { margin: 0 0 24px; font-size: clamp(26px, 4vw, 38px); line-height: 1.2; }

.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }

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

.car-list-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: -24px 0 24px; }

.car-list-toolbar .filter-note { margin: 0; }

.car-search-form { display: flex; flex: 0 1 420px; align-items: center; width: min(100%, 420px); min-width: 0; padding: 5px; border: 1px solid #dce6df; border-radius: 999px; background: #fff; }

.car-search-form input { flex: 1 1 auto; width: 100%; min-width: 0; padding: 8px 12px; border: 0; outline: 0; background: transparent; color: #243029; }

.car-search-form input::placeholder { color: #89948d; }

.car-search-clear { flex: 0 0 auto; padding: 7px 11px; border: 0; border-radius: 999px; background: #edf7ef; color: #087e2e; cursor: pointer; }

.car-search-empty { margin: 0 0 24px; padding: 18px 20px; border-radius: 14px; background: #f4f7f4; color: #627067; }

.car-waterfall { display: block; columns: 3 280px; column-gap: 22px; }

.car-waterfall .car-card { display: inline-block; width: 100%; margin: 0 0 22px; break-inside: avoid; }

.seo-card {
  overflow: hidden;
  border: 1px solid #e4eae5;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 12px 36px rgba(32, 55, 39, .06);
  transition: transform .2s ease, box-shadow .2s ease;
}

.seo-card:hover { transform: translateY(-3px); box-shadow: 0 18px 44px rgba(32, 55, 39, .1); }

.car-card img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: contain;
  object-position: center;
  background: #fff;
}

.car-card-image { position: relative; overflow: hidden; background: #fff; }

.car-card-tag {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 5px 9px;
  border: 1px solid rgb(22 43 29 / 8%);
  border-radius: 999px;
  background: rgb(255 255 255 / 86%);
  color: #4e5550;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.3;
  backdrop-filter: blur(8px);
}

.card-body { padding: 22px; }

.card-body h2 { margin: 3px 0 10px; font-size: 24px; }

.card-body p { margin: 6px 0; color: #69766e; }

.card-body .price { margin-top: 16px; color: #35433a; }

.card-body .price strong { color: #0c9a39; font-size: 23px; }

.brand-card { min-height: 170px; }

.brand-card-body { display: flex; align-items: center; gap: 18px; min-height: 170px; }

.brand-logo {
  display: block;
  flex: 0 0 72px;
  width: 72px;
  height: 72px;
  object-fit: contain;
  border: 1px solid #e5ebe6;
  border-radius: 16px;
  background: #fff;
}

.brand-logo-fallback { display: grid; place-items: center; color: #728076; font-size: 13px; }

.brand-title { display: flex; align-items: center; gap: 16px; }
.brand-title-logo { width: 56px; height: 56px; object-fit: contain; border-radius: 14px; background: #fff; }

.filter-note { margin: -24px 0 24px; color: #69766e; font-size: 14px; }

.model-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .82fr); align-items: center; gap: 54px; }

.model-main-image {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: contain;
  object-position: center;
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 24px 70px rgba(33, 54, 40, .12);
}

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 12px; }

.model-cta-row {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(86px, 1fr);
}

.model-cta-row .primary-cta,
.model-cta-row .customer-service-cta {
  width: auto;
  min-width: 0;
  padding-right: 12px;
  padding-left: 12px;
}

.model-cta-row .customer-service-cta {
  padding-right: 8px;
  padding-left: 8px;
  white-space: nowrap;
}

.primary-cta, .secondary-cta, .customer-service-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  cursor: pointer;
}

.primary-cta { border: 1px solid #11a940; background: #16c64b; color: #07190d; font-weight: 750; }

.primary-cta:hover { background: #12b543; }

.secondary-cta { border: 1px solid #ccd7cf; background: #fff; color: #243029; }

.customer-service-cta { border: 1px solid #0c9a39; background: #fff; color: #087e2e; font-weight: 750; }
.customer-service-cta:hover { background: #ecf9ef; }

.spec-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }

.spec-grid div { padding: 20px; border-radius: 16px; background: #f5f8f6; }

.spec-grid dt { color: #7a867e; font-size: 13px; }

.spec-grid dd { margin: 5px 0 0; font-size: 18px; font-weight: 700; }

.table-wrap { overflow-x: auto; border: 1px solid #dfe7e1; border-radius: 16px; background: #fff; }

table { width: 100%; border-collapse: collapse; }

th, td { padding: 16px 18px; border-bottom: 1px solid #edf1ee; text-align: left; white-space: nowrap; }

th { background: #f8faf8; color: #627067; font-size: 13px; }

.prose { max-width: 850px; }

.prose > section, .prose > h2 { margin-top: 44px; }

.prose p { color: #4d5b52; }

details { margin: 12px 0; padding: 16px 18px; border: 1px solid #e2e9e3; border-radius: 14px; background: #fff; }

summary { cursor: pointer; font-weight: 700; }

.related-box { margin-top: 48px; padding: 24px; border-radius: 18px; background: #eff7f1; }

.related-box h2 { margin-bottom: 10px; font-size: 22px; }

.seo-note { color: #78837b !important; font-size: 13px; }

.more-link { margin-top: 28px; font-weight: 700; }

.seo-footer { padding: 38px 5vw; background: #152019; color: #d5dfd8; text-align: center; }

.seo-footer p { margin: 5px 0; font-size: 13px; }

.seo-qr-dialog {
  width: min(92vw, 420px);
  padding: 30px;
  border: 0;
  border-radius: 24px;
  text-align: center;
  box-shadow: 0 28px 90px rgba(0, 0, 0, .26);
}

.seo-qr-dialog::backdrop { background: rgba(8, 18, 11, .62); backdrop-filter: blur(4px); }

.seo-qr-dialog h2 { margin: 0; }

.seo-qr-dialog img { width: min(100%, 300px); height: auto; margin: 18px auto; }

.seo-dialog-close { position: absolute; top: 10px; right: 14px; border: 0; background: transparent; color: #607067; font-size: 30px; cursor: pointer; }

@media (max-width: 860px) {
  .seo-header { min-height: 72px; }
  .seo-nav-shell { min-height: 72px; }
  .seo-desktop-nav, .seo-desktop-only { display: none; }
  .seo-menu-toggle {
    display: flex;
    width: 46px;
    height: 46px;
    margin-left: auto;
    padding: 0;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 7px;
    border: 1px solid #d8ddd8;
    border-radius: 50%;
    background: rgba(255, 255, 255, .8);
    cursor: pointer;
  }
  .seo-menu-toggle span { width: 18px; height: 1.5px; background: #1c211d; transition: transform 160ms ease; }
  .seo-menu-toggle[aria-expanded='true'] span:first-child { transform: translateY(4.25px) rotate(45deg); }
  .seo-menu-toggle[aria-expanded='true'] span:last-child { transform: translateY(-4.25px) rotate(-45deg); }
  .seo-mobile-nav {
    display: grid;
    width: calc(100% - 32px);
    max-height: calc(100vh - 88px);
    margin: 0 auto 12px;
    padding: 12px;
    overflow: auto;
    border: 1px solid #e1e5e1;
    border-radius: 18px;
    background: rgba(255, 255, 255, .97);
    box-shadow: 0 20px 50px rgba(12, 25, 16, .14);
  }
  .seo-mobile-nav[hidden] { display: none; }
  .seo-mobile-nav a, .seo-mobile-nav button {
    display: flex;
    min-height: 48px;
    padding: 0 14px;
    align-items: center;
    border: 0;
    border-bottom: 1px solid #edf0ed;
    background: transparent;
    color: #282e2a;
    font-size: 14px;
    text-align: left;
  }
  .seo-mobile-nav button {
    justify-content: center;
    border-bottom: 0;
    border-radius: 12px;
    background: var(--brand);
    font-weight: 700;
  }
  .card-grid, .compact-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .model-hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .spec-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .car-list-toolbar { align-items: stretch; flex-direction: column; }
  .car-search-form { width: 100%; }
  .car-waterfall { columns: 2 220px; }
}

@media (max-width: 560px) {
  .seo-nav-shell { width: calc(100% - 32px); }
  .seo-brand img { width: 136px; }
  .seo-shell { width: min(100% - 28px, 1180px); }
  .seo-hero, .model-hero, .seo-hero.compact { padding: 42px 0; }
  .seo-section { padding: 48px 0; }
  .card-grid, .compact-grid { grid-template-columns: 1fr; }
  .car-waterfall { columns: 1; }
  .spec-grid { grid-template-columns: 1fr 1fr; gap: 9px; }
  .spec-grid div { padding: 15px; }
  .model-main-image { border-radius: 18px; }
  .brand-card-body { min-height: 0; }
  .primary-cta, .secondary-cta, .customer-service-cta { width: 100%; }
  .model-cta-row .primary-cta, .model-cta-row .customer-service-cta { width: auto; }
}
