/* Product catalogue: shared navigation and footer remain in style.css. */
.products-page { --product-soft: #f3f3f3; }
.products-section { padding: 70px 0; }
.products-section--soft { background: var(--product-soft); }
.products-title { margin: 0; text-align: center; font-size: 32px; font-weight: bold; line-height: 1.2; }
.products-title > span, .products-faq h2 > span { padding-inline: 4px; background: linear-gradient(var(--green), var(--green)) left 79% / 100% 4px no-repeat; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
.products-marker { display: block; width: 38px; height: 27px; margin: 21px auto 23px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 38 27'%3E%3Cpath d='M5 1h28q6 0 3 5L23 24q-4 5-8 0L2 6Q-1 1 5 1' fill='%2300be5e'/%3E%3C/svg%3E") center / contain no-repeat; }
.product-button { display: inline-flex; justify-content: center; align-items: center; min-height: 40px; padding: 10px 24px; border: 1px solid transparent; border-radius: 999px; background: var(--green); color: #fff; font: inherit; font-size: 16px; font-weight: 700; text-align: center; line-height: 1.2; cursor: pointer; }
.product-button:hover { filter: brightness(.94); }
.product-button:focus-visible, .product-partner-bar a:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
.product-button--blue { background: #0563c4; }
.product-button--pale { color: #008c50; background: #def6ea; }
.products-hero { background: #d8e3e8 url("../../images/product/energy-storage-products-category-banner.webp") center / cover no-repeat; }
.products-hero__content { min-height: 750px; padding-top: 227px; padding-bottom: 160px; display: flex; flex-direction: column; align-items: center; }
.products-hero__panel { width: min(100%, 1206px); padding: 42px 36px 36px; border-radius: 32px; background:rgba(255,255,255,.75);backdrop-filter: blur(1px); text-align: center; }
.products-hero h1 { margin: 0 0 20px; font-size: 42px; line-height: 50px; font-weight: 800; }
.products-hero p { margin: 0; font-size: 18px; line-height: 30px; }
.products-hero__actions { display: flex; justify-content: center; flex-wrap: wrap; gap: 45px; max-width: 100%; margin-top: 87px; }
.products-hero__actions .product-button { min-height: 60px; font-size: 18px; }
.product-button--catalog { min-width: 324px; background: rgba(26,115,188,.55); border-color: #2879be; }
.product-button--sales { min-width: 170px; background: rgba(0,165,91,.5); border-color: #00ae61; }
.products-categories { padding-bottom: 95px; }
.products-categories .products-marker { margin-bottom: 25px; }
.product-category-list { display: grid; gap: 0; }
.product-category { display: grid; grid-template-columns: minmax(0,636px) minmax(0,1fr) 184px; align-items: center; gap: 0; min-height: 225px; padding: 0 40px 0 0; border-radius: 30px; background: #f9f9f9; }
.product-category:first-child { min-height: 245px; }
.product-category > * { min-width: 0; }
.product-category > .product-button { min-height: 40px; padding-block: 9px; box-shadow: 0 4px 7px #0002; }
@media (min-width: 1161px) {
  .product-category { position: relative; isolation: isolate; background: none; }
  .product-category::before { content: ""; position: absolute; inset: calc(50% - 83px) 0; z-index: -1; border: 1px solid #dedede; border-radius: 30px; background: #f9f9f9; pointer-events: none; }
  .product-category__media { display: flex; align-items: center; height: 225px; }
  .product-category:first-child .product-category__media { height: 245px; }
}
.product-category__media img { display: block; width: 100%; height: auto; object-fit: contain; }
.product-category__copy { margin-right: 30px; text-align: right; }
.product-category h3 { margin: 0 0 6px; font-size: 20px; line-height: 1.2; }
.product-category p { margin: 0; font-size: 12px; color: #666; line-height: 1.4; }
.product-category ul { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 20px; padding: 0; margin: 16px 0 0; list-style: none; text-align: inherit; font-style: italic; font-size: 12px; line-height: 20px; color: #666; }
.product-category:nth-child(even) { grid-template-columns: 184px minmax(0,1fr) minmax(0,630px); padding: 0 0 0 25px; }
.product-category:nth-child(even) .product-category__media { grid-column: 3; grid-row: 1; }
.product-category:nth-child(even) .product-category__copy { grid-column: 2; grid-row: 1; margin: 0 0 0 30px; text-align: left; }
.product-category:nth-child(even) > .product-button { grid-column: 1; grid-row: 1; }
.product-inverter-range { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); }
.product-inverter-range img { width: 100%; height: 200px; object-fit: cover; }
.products-applications { padding: 45px 0 60px; }
.products-intro { margin: 18px auto 32px; text-align: center; font-size: 14px; line-height: 1.5; }
.products-applications .products-intro { margin: 18px auto 27px; line-height: 18px; }
.application-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 18px; }
.application-grid article { min-width: 0; display: flex; flex-direction: column; overflow: hidden; border-radius: 22px; background: #fff; }
.application-card-link { flex: 1; display: flex; flex-direction: column; color: inherit; }
.application-card-link > img { display: block; width: 100%; height: auto; aspect-ratio: 306 / 213; object-fit: cover; }
.application-body { flex: 1; display: flex; flex-direction: column; padding: 0 20px; }
.application-card-link:hover h3, .application-card-link:focus-visible h3 { color: var(--green-dark); }
.application-card-link:focus-visible { outline: 2px solid var(--green-dark); outline-offset: -3px; }
.application-icon { flex-shrink: 0; align-self: flex-start; display: grid; place-items: center; width: 48px; height: 48px; margin-top: -30px; border-radius: 50%; background: #fff; color: #1b649c; font-size: 30px; line-height: 1; box-shadow: 0 1px 3px #0001; position: relative; }
.application-grid h3 { margin: 8px 0; font-size: 20px; line-height: 1; }
.application-grid p { margin: 0 0 16px; color: #666; font-size: 12px; line-height: 14px; }
.application-tags { margin-top: auto; padding: 0 20px 30px; }
.application-tags small { display: block; margin-bottom: 5px; font-size: 10px; line-height: 12px; color: #666; font-weight: bold;}
.application-tags > div { display: flex; flex-wrap: wrap; gap: 6px 8px; }
.application-tags a { padding: 4px 6px; border-radius: 3px; background: #d8e5f0; color: #12578e; font-size: 10px; line-height: 12px; }
.application-tags a:nth-child(2) { background: #def6ea; color: #008c50; }
.application-tags a:nth-child(3) { background: #fff7d8; color: #c59124; }
.application-tags a:hover, .application-tags a:focus-visible { text-decoration: underline; }
.products-support { padding: 50px 0; }
.product-support-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 18px; }
.product-support-grid article { min-width: 0; padding: 48px 23px; border: 1px solid #dedede; border-radius: 30px; background: #fafafa; }
.product-support-grid h3 { margin: 0 0 14px; font-size: 20px; font-weight: 400; line-height: 1.2; }
.product-support-grid p { margin: 0; color: #666; font-size: 15px; line-height: 1.25; }
.product-partner-bar { display: grid; grid-template-columns: minmax(0,1fr) 280px 280px; gap: 30px; align-items: center; padding: 39px 113px; margin-top: 18px; border-radius: 30px; background: #d7e5f2; }
.product-partner-bar > * { min-width: 0; }
.product-partner-bar h3 { margin: 0 0 6px; font-size: 22px; line-height: 26px; }
.product-partner-bar p { margin: 0; font-size: 14px; line-height: 18px; color: #666; }
.product-partner-bar a { display: flex; gap: 12px; justify-content: center; align-items: center; min-height: 52px; padding: 12px 18px; border-radius: 30px; background: #fff; font-size: 16px; line-height: 20px; text-align: center; box-shadow: 0 3px 5px #0001; }
.product-partner-bar a:hover { color: var(--green-dark); }
.product-partner-bar .iconfont { flex-shrink: 0; color: #145d94; font-size: 28px; line-height: 1; }
.products-featured { padding: 65px 0 75px; }
.products-featured .products-marker { margin-bottom: 15px; }
.featured-product-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 30px 40px; }
.featured-product { min-width: 0; display: flex; flex-direction: column; padding: 0 0 24px; background: #fff; border-radius: 22px; box-shadow: 0 4px 6px #0002; }
.featured-product > img { display: block; width: 100%; height: auto; aspect-ratio: 397 / 260; object-fit: contain; border-radius: 22px 22px 0 0; }
.featured-product__body { flex: 1; display: flex; flex-direction: column; padding: 0 34px; }
.featured-product h3 { font-size: 22px; line-height: 1.2; margin: 0 0 6px; }
.featured-product__category { margin: 0 0 8px; color: #08a961; font-size: 14px; line-height: 18px; }
.featured-product__tags { display: flex; flex-wrap: wrap; gap: 6px 14px; padding: 0; margin: 0 0 11px; list-style: none; color: #666; font-size: 13px; line-height: 18px; }
.featured-product__tags li { display: flex; align-items: center; gap: 4px; }
.featured-product__tags .iconfont { flex-shrink: 0; color: #2165a1; font-size: 16px; line-height: 1; }
.featured-product__tags .icon-yezibiaoqian { color: #08a961; }
.featured-product__tags .icon-zhiliang::before { display: inline-block; transform: scale(1.8); }
.featured-product__actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: auto; }
.featured-product__actions .product-button { font-size: 13px; font-weight: 400; padding-inline: 21px; }
.featured-product__actions .product-button--blue { min-width: 116px; }
.featured-product__actions .product-button--pale { min-width: 137px; }
.products-certificates { padding: 53px 0 45px; background: #4d4d4d; color: white; }
.products-certificates .products-title { font-size: 28px; }
.products-certificates .products-marker { margin: 10px auto 15px; }
.products-certificates img { display: block; width: 100%; height: auto; }
.products-faq { padding: 68px 0 200px; }
.products-faq h2 { display: flex; justify-content: center; align-items: baseline; margin: 0 0 43px; text-align: center; font-size: 68px; line-height: 1.1; }
.products-faq h2 > span { font-size: 32px; }
.product-faq-list { display: grid; gap: 32px; }
.product-faq-list details { border: 1px solid #dedede; border-radius: 30px; background: #fafafa; }
.product-faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 24px 14px 50px; list-style: none; cursor: pointer; font-size: 20px; font-weight: 700; line-height: 1.3; }
.product-faq-list summary:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 30px; }
.product-faq-list summary::-webkit-details-marker { display: none; }
.product-faq-list summary::after { content: ""; flex: 0 0 28px; height: 26px; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 28'%3E%3Cpath d='M4 14h20M14 4v20' fill='none' stroke='%2300be5e' stroke-width='7' stroke-linecap='round'/%3E%3C/svg%3E") center / contain no-repeat; }
.product-faq-list details[open] summary::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 28 28'%3E%3Cpath d='M4 14h20' fill='none' stroke='%2300be5e' stroke-width='7' stroke-linecap='round'/%3E%3C/svg%3E"); }
.product-faq-list details p { margin: 0; padding: 0 50px 8px; color: #666; font-size: 20px; line-height: 26px; }
/* Keep the shared homepage CTA; only tune the product-specific catalog action. */
.products-page .contact-actions .button--green { padding-inline: 14px; }
.product-preview { width: min(620px, calc(100% - 32px)); max-height: 90dvh; overflow: auto; padding: 34px; border: 0; border-radius: 22px; color: #111; }
.product-preview::backdrop { background: #0009; }
.product-preview > img { width: 100%; max-height: 260px; object-fit: contain; }
.product-preview h2 { padding-right: 24px; font-size: 26px; }
.product-preview__close { position: absolute; top: 12px; right: 14px; background: #eee; border: 0; border-radius: 50%; width: 36px; height: 36px; font-size: 28px; cursor: pointer; }
.product-preview__note { font-size: 14px; color: #666; line-height: 1.5; }
@media (max-width: 1420px) {
  .product-category { grid-template-columns: minmax(0,1.3fr) minmax(0,1fr) 150px; gap: 18px; }
  .product-category, .product-category:nth-child(even) { padding-inline: 16px; }
  .product-category__copy, .product-category:nth-child(even) .product-category__copy { margin: 0; }
  .product-category:nth-child(even) { grid-template-columns: 150px minmax(0,1fr) minmax(0,1.3fr); }
  .product-category > .product-button { padding-inline: 14px; }
  .product-partner-bar { grid-template-columns: minmax(0,1fr) auto auto; gap: 20px; padding: 30px; }
  .product-partner-bar a { padding-inline: 18px; }
  .featured-product__body { padding-inline: 24px; }
}
@media (max-width: 1160px) {
  .products-hero__content { min-height: 620px; padding-top: 160px; padding-bottom: 90px; }
  .products-hero h1 { font-size: 40px; line-height: 1.2; }
  .products-hero__actions { margin-top: 60px; }
  .products-desktop-break { display: none; }
  .product-category-list { gap: 20px; }
  .product-category, .product-category:nth-child(even) { grid-template-columns: minmax(0,1.2fr) minmax(0,1fr); min-height: 0; padding: 22px; border: 1px solid #e7e7e7; background: #f9f9f9; }
  .product-category:first-child { min-height: 0; }
  .product-category p, .product-category ul { font-size: 14px; line-height: 1.5; }
  .product-category__media, .product-category:nth-child(even) .product-category__media { grid-column: 1; grid-row: 1 / span 2; }
  .product-category__copy, .product-category:nth-child(even) .product-category__copy { grid-column: 2; grid-row: 1; text-align: left; }
  .product-category > .product-button, .product-category:nth-child(even) > .product-button { grid-column: 2; grid-row: 2; justify-self: start; }
  .product-category > .product-button { min-height: 44px; }
  .product-inverter-range img { height: 160px; }
  .application-grid, .product-support-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
  .products-applications .application-grid h3 { line-height: 1.2; }
  .products-applications .application-grid p { font-size: 14px; line-height: 1.5; }
  .product-partner-bar { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .product-support-grid article { padding: 32px 24px; }
  .product-partner-bar > div { grid-column: 1 / -1; text-align: center; }
  .featured-product-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
}
@media (max-width: 640px) {
  .products-section { padding: 42px 0; }
  .products-certificates { padding: 36px 0; }
  .products-certificates .products-marker { margin: 14px auto 18px; }
  .products-title, .products-certificates .products-title { font-size: 28px; line-height: 1.25; }
  .products-marker { width: 30px; height: 22px; margin: 20px auto 25px; }
  .products-hero__content { min-height: 540px; padding-block: 75px 65px; }
  .products-hero__panel { padding: 30px 20px; border-radius: 24px; }
  .products-hero h1 { font-size: 32px; line-height: 1.2; }
  .products-hero p { font-size: 15px; line-height: 1.6; }
  .products-hero__actions { flex-direction: column; gap: 14px; width: 100%; margin-top: 30px; }
  .products-hero__actions .product-button { min-width: 0; width: 100%; min-height: 46px; font-size: 16px; }
  .product-category-list { gap: 20px; }
  .products-categories .products-marker { margin-bottom: 25px; }
  .product-category, .product-category:nth-child(even) { display: flex; flex-direction: column; gap: 20px; align-items: stretch; padding: 22px 18px; border: 1px solid #e7e7e7; border-radius: 22px; }
  .product-category__media { width: 100%; max-width: 470px; align-self: center; }
  .product-category h3 { font-size: 22px; }
  .product-category p, .product-category ul { font-size: 14px; }
  .product-category > .product-button { align-self: flex-start; }
  .product-inverter-range img { height: 135px; }
  .application-grid, .product-support-grid, .featured-product-grid { grid-template-columns: 1fr; gap: 20px; }
  .application-grid article { max-width: 440px; width: 100%; justify-self: center; }
  .products-applications .products-intro { margin: 16px auto 24px; line-height: 1.5; }
  .application-body { padding: 0 22px; }
  .application-tags { padding: 0 22px 24px; }
  .application-grid h3 { font-size: 22px; line-height: 1.2; }
  .application-grid p { font-size: 14px; line-height: 1.5; margin-bottom: 20px; }
  .application-tags small { font-size: 11px; line-height: 1.4; }
  .application-tags a { font-size: 12px; line-height: 1.4; }
  .product-support-grid article { padding: 26px 22px; border-radius: 22px; }
  .product-support-grid h3 { font-size: 20px; }
  .product-support-grid p { line-height: 1.5; }
  .product-partner-bar { display: flex; flex-direction: column; align-items: stretch; padding: 26px 20px; gap: 16px; }
  .product-partner-bar h3 { font-size: 22px; }
  .product-partner-bar p { line-height: 1.5; }
  .product-partner-bar a { padding-inline: 12px; font-size: 14px; }
  .featured-product { max-width: 440px; width: 100%; justify-self: center; }
  .products-featured .products-marker { margin-bottom: 25px; }
  .featured-product h3 { font-size: 22px; }
  .featured-product__category { line-height: 1.5; }
  .featured-product__tags { margin-bottom: 16px; line-height: 1.5; }
  .featured-product__actions { gap: 10px; }
  .featured-product__actions .product-button { flex: 1 1 110px; min-width: 0; min-height: 44px; padding-inline: 12px; font-size: 14px; }
  .products-faq { padding-bottom: 42px; }
  .products-faq h2 { font-size: 50px; margin-bottom: 30px; }
  .products-faq h2 > span { font-size: 28px; }
  .product-faq-list { gap: 16px; }
  .product-faq-list summary { font-size: 16px; padding: 18px; gap: 12px; }
  .product-faq-list details p { font-size: 15px; padding: 0 18px 20px; line-height: 1.5; }
  .product-faq-list summary::after { flex-basis: 24px; height: 24px; }
  .products-page .contact-actions .button { min-height: 44px; }
  .product-preview { padding: 28px 20px; }
}