html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--oppo-surface); }
body:has(dialog[open]) { overflow: hidden; }
.kit-sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.kit-skip { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 12px 20px; background: white; color: black; }
.kit-skip:focus { top: 12px; }
.kit-header { height: 80px; padding: 0 max(24px, calc((100vw - 1488px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 32px; border-bottom: 1px solid var(--oppo-gray-200); background: rgb(255 255 255 / 96%); position: sticky; top: 0; z-index: 10; }
.kit-brand { display: flex; align-items: center; gap: 22px; text-decoration: none; color: black; }
.kit-brand img { width: 91px; height: auto; }
.kit-brand span { padding-left: 22px; border-left: 1px solid var(--oppo-gray-300); font-size: 14px; color: var(--oppo-muted); }
.kit-header nav { display: flex; gap: 32px; margin-right: auto; margin-left: 28px; }
.kit-header nav a { color: var(--oppo-muted); text-decoration: none; font-size: 14px; padding-block: 8px; border-radius: 4px; }
.kit-header nav a:hover { color: black; }
.kit-header__right { display: flex; align-items: center; gap: 20px; }
.kit-version { font-family: var(--oppo-mono); font-size: 12px; color: var(--oppo-muted); }
.kit-main { max-width: 1536px; margin: 0 auto; padding: 0 24px; }
.kit-hero { display: grid; grid-template-columns: 1.5fr 1fr; gap: 64px; align-items: center; padding: 36px 0; }
.kit-eyebrow { margin: 0 0 22px; display: flex; align-items: center; gap: 10px; font-size: 11px; letter-spacing: .14em; font-weight: 500; }
.kit-dot { width: 6px; height: 6px; background: var(--oppo-green-dark); border-radius: 50%; }
.kit-hero h1 { font-size: clamp(32px, 3vw, 44px); letter-spacing: -.045em; font-weight: 500; line-height: 1.15; margin: 0 0 16px; }
.kit-hero__description { max-width: 620px; margin: 0 0 20px; color: var(--oppo-muted); line-height: 1.7; font-size: 13px; }
.kit-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.kit-hero__visual { height: 234px; background: #f3f5f2; border-radius: 12px; position: relative; overflow: hidden; display: grid; place-items: center; }
.kit-hero__visual::before { content: ""; position: absolute; width: 230px; height: 230px; border-radius: 50%; background: #e4ece1; right: -20px; top: -30px; }
.kit-hero__visual img { width: 208px; height: 208px; object-fit: contain; position: relative; transform: rotate(-9deg); }
.kit-visual-label { position: absolute; top: 20px; left: 20px; font-size: 9px; letter-spacing: .1em; color: #566250; }
.kit-visual-bottom { position: absolute; bottom: 18px; left: 20px; right: 20px; display: flex; justify-content: space-between; align-items: end; gap: 16px; font-size: 11px; font-weight: 500; }
.kit-visual-bottom small { font-weight: 400; color: #576052; font-size: 9px; }
.kit-index { display: flex; gap: 0; border-top: 1px solid var(--oppo-gray-200); border-bottom: 1px solid var(--oppo-gray-200); margin-bottom: 36px; }
.kit-index a { padding: 20px 28px 20px 0; margin-right: 28px; display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: black; font-size: 13px; border-radius: 4px; }
.kit-index span { font-family: var(--oppo-mono); color: #888; font-size: 11px; }
.kit-section { margin-bottom: 80px; scroll-margin-top: 106px; }
.kit-section__header { display: flex; align-items: flex-end; justify-content: space-between; gap: 28px; margin-bottom: 28px; }
.kit-section__title { display: flex; align-items: center; gap: 18px; }
.kit-section__number { font-family: var(--oppo-mono); font-size: 12px; color: #888; }
.kit-section h2 { margin: 0; font-weight: 500; letter-spacing: -.035em; font-size: 32px; line-height: 1.2; }
.kit-section__header p { margin: 0; color: var(--oppo-muted); font-size: 13px; max-width: 400px; }
.kit-subheading { margin: 30px 0 18px; font-size: 17px; font-weight: 500; }
.kit-swatches { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.kit-swatch { border: 1px solid var(--oppo-gray-200); border-radius: 12px; padding: 0; text-align: left; background: white; color: black; cursor: pointer; overflow: hidden; }
.kit-swatch__color { display: block; height: 100px; background: var(--swatch); }
.kit-swatch__caption { display: grid; gap: 5px; padding: 14px; font-size: 13px; }
.kit-swatch code { font-family: var(--oppo-mono); font-size: 11px; color: var(--oppo-muted); }
.kit-foundation-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px; margin-top: 24px; }
.kit-panel { border: 1px solid var(--oppo-gray-200); border-radius: 16px; padding: 28px; min-width: 0; }
.kit-panel__label { display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 12px; color: var(--oppo-muted); margin-bottom: 24px; }
.kit-panel__label code { font-size: 10px; font-family: var(--oppo-mono); }
.kit-type-large { font-size: 42px; letter-spacing: -.055em; line-height: 1.12; font-weight: 500; margin: 0 0 18px; }
.kit-type-small { color: var(--oppo-muted); font-size: 14px; line-height: 1.7; margin: 0; max-width: 350px; }
.kit-type-meta { display: flex; gap: 24px; border-top: 1px solid var(--oppo-gray-200); margin-top: 24px; padding-top: 16px; font-family: var(--oppo-mono); font-size: 11px; color: var(--oppo-muted); }
.kit-scale { display: flex; align-items: flex-end; gap: 17px; min-height: 90px; }
.kit-scale div { display: grid; gap: 10px; justify-items: center; font-family: var(--oppo-mono); font-size: 10px; color: var(--oppo-muted); }
.kit-scale i { display: block; width: 16px; height: calc(var(--size) * 1px); min-height: 4px; background: var(--oppo-green); border-radius: 2px; }
.kit-radius { display: flex; align-items: center; gap: 20px; margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--oppo-gray-200); }
.kit-radius div { width: 55px; height: 48px; background: var(--oppo-gray-100); border: 1px solid var(--oppo-border); display: grid; place-items: center; font-family: var(--oppo-mono); font-size: 11px; }
.kit-control-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.kit-controls { display: grid; gap: 22px; }
.kit-example-label { font-size: 11px; color: var(--oppo-muted); font-family: var(--oppo-mono); min-width: 80px; }
.kit-control-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.kit-check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 24px; }
.kit-badges { margin-top: 24px; }
.kit-check-grid .oppo-switch { align-items: flex-start; }
.kit-products { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.kit-product-note { color: var(--oppo-muted); font-size: 12px; margin: 18px 0 0; }
.kit-scenario { display: grid; grid-template-columns: 1.1fr 1fr; gap: 24px; margin-top: 24px; }
.kit-cart { display: flex; align-items: center; gap: 20px; margin-block: 24px; }
.kit-cart img { width: 90px; height: 110px; object-fit: contain; border-radius: 12px; background: var(--oppo-gray-100); }
.kit-cart h3 { margin: 0 0 6px; font-weight: 500; font-size: 17px; }
.kit-cart p { margin: 0 0 12px; font-size: 13px; color: var(--oppo-muted); }
.kit-cart__price { margin-left: auto; font-size: 16px; white-space: nowrap; }
.kit-total { border-top: 1px solid var(--oppo-gray-200); padding-top: 20px; display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.kit-total span:last-child { font-weight: 500; font-size: 24px; letter-spacing: -.02em; }
.kit-feedback { display: grid; gap: 16px; }
.kit-bottom-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.kit-footer { padding: 28px 0 40px; border-top: 1px solid var(--oppo-gray-200); color: var(--oppo-muted); display: flex; justify-content: space-between; align-items: center; font-size: 12px; gap: 24px; }
.kit-code-example { white-space: pre-wrap; overflow-wrap: anywhere; background: var(--oppo-gray-100); border-radius: 8px; padding: 20px; font-family: var(--oppo-mono); font-size: 12px; line-height: 1.8; }
.kit-form { display: grid; gap: 20px; }
.kit-form .oppo-button { width: 100%; }
.kit-tab-panel { padding-top: 24px; }
.kit-tab-panel p { color: var(--oppo-muted); font-size: 14px; line-height: 1.7; }
.kit-tab-panel h3 { font-size: 20px; font-weight: 500; margin: 0; }
.kit-component-label { display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 11px; color: var(--oppo-muted); margin-top: 16px; }
.kit-subtle { font-size: 12px; color: var(--oppo-muted); }
@media (max-width: 1024px) {
  .kit-header nav { gap: 20px; margin-left: 0; }
  .kit-header__right .oppo-link { display: none; }
  .kit-hero { gap: 32px; }
  .kit-hero__visual { height: 234px; }
  .kit-products { gap: 16px; }
  .oppo-product { padding: 20px; }
  .oppo-product__bottom { flex-wrap: wrap; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 88px; }
  .kit-header { height: 64px; padding-inline: 20px; gap: 12px; }
  .kit-header nav { display: none; }
  .kit-brand { gap: 14px; }
  .kit-brand span { padding-left: 14px; font-size: 12px; }
  .kit-brand img { width: 78px; }
  .kit-main { padding-inline: 20px; }
  .kit-hero { grid-template-columns: 1fr; gap: 24px; padding-block: 32px; }
  .kit-hero h1 { font-size: 34px; }
  .kit-hero__visual { display: none; }
  .kit-index { overflow-x: auto; margin-bottom: 40px; }
  .kit-index a { white-space: nowrap; padding-block: 18px; margin-right: 16px; }
  .kit-section { margin-bottom: 48px; }
  .kit-section__header { align-items: flex-start; flex-direction: column; gap: 14px; }
  .kit-section h2 { font-size: 28px; }
  .kit-swatches { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .kit-swatch__color { height: 76px; }
  .kit-swatch__caption { padding: 12px; font-size: 11px; }
  .kit-swatch code { font-size: 10px; }
  .kit-foundation-grid, .kit-control-grid, .kit-scenario, .kit-bottom-grid { grid-template-columns: 1fr; gap: 16px; }
  .kit-panel { padding: 24px; }
  .kit-products { grid-template-columns: 1fr; }
  .oppo-product__image { height: 250px; }
  .kit-footer { align-items: flex-start; flex-direction: column; gap: 12px; }
  .kit-scale { gap: 17px; }
}
@media (max-width: 360px) {
  .kit-main { padding-inline: 16px; }
  .kit-hero h1 { font-size: 30px; }
  .kit-panel { padding: 20px; }
  .kit-check-grid { grid-template-columns: 1fr; }
  .kit-scale { gap: 14px; }
  .kit-cart { gap: 10px; flex-wrap: wrap; }
  .kit-cart__price { margin-left: 100px; }
}