:root { --product-soft: #eef7ef; --product-ink: #153522; }
.product-shell { min-height: 100vh; background: #fff; color: var(--product-ink); }
.product-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid #dfece1; background: rgba(255,255,255,.96); backdrop-filter: blur(10px); }
.product-header .container { display: flex; min-height: 82px; align-items: center; justify-content: space-between; gap: 24px; }
.product-header .brand img { width: 92px; height: 58px; }
.product-nav { display: flex; align-items: center; gap: 22px; }
.product-nav a { color: var(--green-deep); font-weight: 800; text-decoration: none; }
.product-nav a:hover, .product-nav a:focus-visible { color: var(--green); text-decoration: underline; }
.product-nav .button, .product-nav .button:hover, .product-nav .button:focus-visible { color: var(--white); text-decoration: none; }
.product-hero { overflow: hidden; background: linear-gradient(135deg, #f7fbf7 0%, #e8f4e9 62%, #d8ebd9 100%); }
.product-hero-grid { display: grid; grid-template-columns: minmax(0,1.15fr) minmax(280px,.85fr); align-items: center; gap: 56px; min-height: 570px; padding-top: 70px; padding-bottom: 70px; }
.product-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; color: #55705f; font-size: .88rem; }
.product-breadcrumb a { color: var(--green); font-weight: 800; }
.product-hero h1 { max-width: 780px; margin-bottom: 22px; color: var(--green-deep); font-size: clamp(2.7rem,5vw,4.8rem); letter-spacing: -.045em; line-height: .98; }
.product-hero .lead { max-width: 700px; margin-bottom: 30px; color: #31523e; font-size: 1.14rem; }
.product-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.product-aura { position: relative; justify-self: center; width: min(100%,390px); height: 430px; overflow: hidden; border: 1px solid rgba(21,67,36,.16); border-radius: 200px 200px 32px 32px; background: rgba(255,255,255,.64); box-shadow: 0 24px 55px rgba(21,67,36,.18); }
.product-aura img { position: absolute; top: -60px; left: 50%; width: 1536px; height: 1024px; max-width: none; transform: translateX(-53%); }
.product-section { padding: 84px 0; }
.product-section.alt { background: var(--product-soft); }
.product-intro { display: grid; grid-template-columns: .8fr 1.2fr; gap: 64px; align-items: start; }
.product-intro h2, .product-section > .container > h2 { color: var(--green-deep); font-size: clamp(2rem,3vw,3.1rem); letter-spacing: -.035em; }
.product-intro p, .product-section p, .product-section li { color: #3d5a48; }
.product-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; margin-top: 36px; }
.product-card-detail { padding: 28px; border: 1px solid #dce9df; border-radius: 18px; background: #fff; box-shadow: 0 10px 28px rgba(21,67,36,.06); }
.product-card-detail h3 { margin-bottom: 12px; color: var(--green-deep); font-size: 1.18rem; }
.product-card-detail ul { margin: 0; padding-left: 20px; }
.product-note { margin-top: 28px; padding: 20px 22px; border-left: 4px solid var(--green); border-radius: 0 14px 14px 0; background: #f8fbf8; }
.product-process { counter-reset: product-step; display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 18px; margin-top: 34px; }
.product-process article { position: relative; padding: 56px 24px 24px; border-radius: 18px; background: #fff; }
.product-process article::before { counter-increment: product-step; content: counter(product-step); position: absolute; top: 18px; left: 24px; display: grid; width: 28px; height: 28px; place-items: center; border-radius: 50%; color: #fff; background: var(--green); font-weight: 900; }
.product-process h3 { margin-bottom: 8px; color: var(--green-deep); font-size: 1.05rem; }
.faq-list { display: grid; gap: 14px; margin-top: 34px; }
.faq-list details { padding: 20px 22px; border: 1px solid #dce9df; border-radius: 14px; background: #fff; }
.faq-list summary { cursor: pointer; color: var(--green-deep); font-weight: 900; }
.faq-list details p { margin: 14px 0 0; }
.product-cta { padding: 70px 0; color: #fff; background: var(--green-deep); }
.product-cta .container { display: flex; align-items: center; justify-content: space-between; gap: 34px; }
.product-cta h2 { margin-bottom: 8px; color: #fff; font-size: clamp(2rem,3.5vw,3.2rem); }
.product-cta p { max-width: 700px; margin: 0; color: #dce9df; }
.product-footer { color: #dce9df; background: #0d2f1a; }
.product-footer .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-top: 30px; padding-bottom: 30px; }
.product-footer a { color: #dce9df; }
@media (max-width: 900px) {
  .product-hero-grid, .product-intro { grid-template-columns: 1fr; }
  .product-hero-grid { gap: 12px; padding-top: 48px; }
  .product-aura { height: 390px; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .product-process { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .product-header .container { min-height: 70px; }
  .product-nav a:not(.button) { display: none; }
  .product-hero-grid { padding-top: 34px; padding-bottom: 48px; }
  .product-hero h1 { font-size: 2.75rem; }
  .product-aura { width: 310px; height: 350px; }
  .product-aura img { top: -64px; transform: translateX(-52%); }
  .product-section { padding: 62px 0; }
  .product-grid, .product-process { grid-template-columns: 1fr; }
  .product-cta .container, .product-footer .container { align-items: flex-start; flex-direction: column; }
}