/* 1.1 catalog layout. All visual media remain faithful to the source PDF. */
:root {
  --ink: #18342d;
  --deep: #15342d;
  --deep2: #203e34;
  --paper: #f5f7f2;
  --muted: #587062;
  --line: #d9e2d8;
  --accent: #dceaa9;
  --max: 1240px;
}
body { font-family: "DM Sans", "Microsoft YaHei", Arial, sans-serif; }
.shell { width: min(var(--max), calc(100% - 64px)); }
.header-inner { min-height: 76px; }
.primary-nav a { position: relative; padding-block: 8px; }
.primary-nav a::after { content: ""; position: absolute; inset-inline: 0; bottom: 0; height: 1px; background: currentColor; transform: scaleX(0); transition: transform .2s ease; }
.primary-nav a:hover::after, .primary-nav a:focus-visible::after { transform: scaleX(1); }
.button { border-radius: 6px; transition: background-color .18s ease, border-color .18s ease, box-shadow .18s ease, transform .18s ease; }
.button:hover { transform: translateY(-1px); box-shadow: 0 7px 18px #15342d18; }
.button-outline { border-color: #8fa799; }
.button-outline:hover { background: #eaf1e8; }
.button:focus-visible, .text-link:focus-visible, .primary-nav a:focus-visible, .product-card a:focus-visible, .filters a:focus-visible, .header-actions select:focus-visible { outline: 3px solid #8aaa72; outline-offset: 3px; }

.hero { background: var(--paper); color: var(--ink); border-bottom: 1px solid var(--line); }
.hero-grid { min-height: 560px; grid-template-columns: minmax(0, 1fr) minmax(0, .94fr); gap: 6%; align-items: center; }
.hero-copy, html[dir="rtl"] .hero-copy { padding: 55px 0; }
.hero h1 { font-size: clamp(2.65rem, 5vw, 5rem); max-width: 650px; margin-bottom: 22px; }
.hero .eyebrow-light { color: #5e8165; }
.hero-body { color: var(--muted); max-width: 570px; font-size: 1.03rem; line-height: 1.8; margin-bottom: 28px; }
.hero .button-outline-light { color: var(--ink); border-color: #aebfae; }
.hero .button-outline-light:hover { background: #e8efe6; }
.hero-index { justify-content: flex-start; gap: 27px; max-width: 600px; margin-top: 46px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); letter-spacing: 0; font-size: .77rem; text-transform: none; }
.hero-index strong { color: var(--ink); font-size: .93rem; }
.hero-media { margin: 0; min-height: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.hero-media::before { display: none; }
.hero-media-image { aspect-ratio: 1.3; padding: 27px; background: #e6ece7; overflow: hidden; }
.hero-media-image img { width: 100%; height: 100%; object-fit: contain; transition: transform .28s ease; }
.hero-media-label { position: static; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 15px 19px; background: #fff; color: var(--muted); backdrop-filter: none; font-size: .75rem; }
.hero-media-label span:first-child { letter-spacing: 0; font-size: .75rem; font-weight: 500; }
.hero-media-label strong { color: var(--ink); font-size: .79rem; white-space: nowrap; }

.section { padding-top: 75px; padding-bottom: 88px; }
.section-heading { margin-bottom: 29px; }
.section-heading h2 { font-size: clamp(2.1rem, 3.2vw, 3.2rem); }
.product-grid { gap: 19px; }
.product-card { border-radius: 11px; overflow: hidden; box-shadow: none; transition: box-shadow .22s ease, border-color .22s ease; }
.product-card:hover { transform: none; box-shadow: 0 14px 30px #15342d12; border-color: #b8cdb8; }
.product-card__media { aspect-ratio: 1.48; background: #e8eeea; padding: 14px; overflow: hidden; }
.product-card__media img { width: 100%; height: 100%; object-fit: contain; transition: transform .28s ease; }
.product-card:hover .product-card__media img, .product-card__media:focus-visible img { transform: scale(1.018); }
.product-card__body { padding: 21px 22px 24px; }
.product-card h3 { margin-bottom: 15px; }
.card-specs { display: flex; gap: 7px; flex-wrap: wrap; min-height: 29px; margin-bottom: 21px; }
.card-specs span { display: inline-block; background: #edf2ec; border-radius: 4px; padding: 4px 8px; color: #45604c; font-size: .74rem; white-space: nowrap; }
.product-card .text-link { border-top: 1px solid var(--line); border-bottom: 0; width: 100%; padding-top: 13px; padding-bottom: 0; justify-content: space-between; }
.value-section { background: var(--deep2); }
.oem-preview__visual { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #e8eeea; }
.oem-preview__visual::before { display: none; }
.oem-preview__visual img { width: 100%; height: auto; aspect-ratio: 2; object-fit: contain; }
.contact-strip { background: var(--accent); }
.page-intro { background: #e9f0e8; padding: 80px 0 74px; }
.page-intro-dark { background: var(--deep); color: #fff; }
.filters a { border-radius: 5px; }

.product-detail { padding-top: 35px; padding-bottom: 95px; }
.breadcrumbs { padding: 4px 0 28px; }
.product-detail__grid { grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr); gap: 6%; }
.product-detail__media { margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.product-detail__media img { display: block; width: 100%; height: auto; aspect-ratio: 1.22; object-fit: contain; background: #e6ece7; padding: 23px; transition: transform .28s ease; }
.product-detail__media figcaption { padding: 14px 19px; border-top: 1px solid var(--line); font-size: .76rem; color: var(--muted); }
.product-detail__copy { padding-top: 12px; min-width: 0; }
.product-detail h1 { font-size: clamp(2.65rem, 4.4vw, 4.65rem); margin-bottom: 17px; }
.detail-source-title { color: var(--muted); font-size: .87rem; line-height: 1.65; overflow-wrap: anywhere; }
.source-pill { display: inline-block; border: 1px solid var(--line); border-radius: 30px; padding: 7px 12px; margin: 5px 0 12px; color: #52765b; font-size: .75rem; }
.spec-section { margin-top: 26px; }
.spec-section h2 { font-size: 1.18rem; letter-spacing: -.02em; margin: 0 0 13px; }
.spec-list { margin: 0; border-top: 1px solid #b7cbb8; }
.spec-list > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 15px; padding: 12px 0; border-top: 0; border-bottom: 1px solid var(--line); font-size: .85rem; }
.spec-list dt { color: var(--muted); }
.spec-list dd { margin: 0; text-align: end; font-weight: 700; overflow-wrap: anywhere; }
html[dir="rtl"] .spec-list dd { text-align: left; }
.detail-note { color: var(--muted); font-size: .79rem; line-height: 1.7; margin: 21px 0 24px; }
.catalog-more { margin-top: 24px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.catalog-more summary { padding: 15px 18px; cursor: pointer; font-size: .85rem; font-weight: 750; }
.catalog-more summary:focus-visible { outline: 3px solid #8aaa72; outline-offset: 3px; }
.catalog-more[open] summary { border-bottom: 1px solid var(--line); }
.catalog-more h3 { font-size: .86rem; letter-spacing: 0; margin: 19px 18px 7px; }
.catalog-more ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px 20px; margin: 0 18px 20px; padding-inline-start: 18px; color: var(--muted); font-size: .79rem; }
.detail-actions { gap: 11px; }
.inquiry-form { border-radius: 10px; }
.inquiry-form input:not([type=checkbox]), .inquiry-form textarea, .inquiry-form select { border-radius: 5px; }
@media (hover: hover) { .hero-media:hover img, .product-detail__media:hover img { transform: scale(1.016); } }
@media (max-width: 820px) {
  .shell { width: min(var(--max), calc(100% - 36px)); }
  .header-inner { min-height: 68px; }
  .hero-grid { grid-template-columns: 1fr; gap: 0; min-height: 0; }
  .hero-copy, html[dir="rtl"] .hero-copy { padding: 64px 0 32px; }
  .hero-index { margin-top: 32px; }
  .hero-media { margin-bottom: 42px; }
  .hero-media-image { aspect-ratio: 1.43; padding: 16px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-detail__grid { grid-template-columns: 1fr; gap: 29px; }
  .product-detail__media img { aspect-ratio: 1.42; }
}
@media (max-width: 600px) {
  .hero-copy, html[dir="rtl"] .hero-copy { padding: 48px 0 28px; }
  .hero h1 { font-size: clamp(2.5rem, 11vw, 3.55rem); }
  .hero-body { font-size: .95rem; }
  .hero-index { gap: 20px; }
  .hero-media { margin-bottom: 36px; }
  .hero-media-image { padding: 14px; }
  .hero-media-label { padding: 12px 14px; }
  .section { padding-top: 65px; padding-bottom: 70px; }
  .page-intro { padding: 61px 0 57px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card__media { aspect-ratio: 1.66; }
  .product-detail { padding-top: 25px; padding-bottom: 70px; }
  .product-detail__media img { padding: 14px; }
  .product-detail h1 { font-size: clamp(2.5rem, 10vw, 3.2rem); }
  .catalog-more ul { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button, .primary-nav a::after, .product-card, .product-card__media img, .hero-media-image img, .product-detail__media img { transition: none !important; }
  .button:hover, .product-card:hover .product-card__media img, .hero-media:hover img, .product-detail__media:hover img { transform: none !important; }
}

/* 1.2 client-facing visual system. Product photos stay unaltered. */
:root {
  --ink: #142c31;
  --deep: #10272c;
  --deep2: #173139;
  --paper: #f3f4ee;
  --muted: #536a69;
  --line: #d5ded8;
  --accent: #c9ee77;
  --max: 1440px;
}
body { background: var(--paper); color: var(--ink); }
.site-header { background: #fbfcf8; border-bottom-color: #cddbd4; }
.header-inner { min-height: 82px; }
.brand { min-width: 155px; }
.brand-mark, .footer-brand { font-family: Manrope, Arial, sans-serif; font-weight: 800; letter-spacing: -.09em; }
.brand-mark { font-size: 2.1rem; line-height: .9; color: var(--deep); }
.brand-mark::after { content: ""; display: block; width: 31px; height: 3px; margin-top: 7px; background: #a5d45b; }
.brand-sub { margin-top: 6px; font-size: .48rem; letter-spacing: .13em; }
.primary-nav a { font-size: .85rem; }
.header-actions .button { background: var(--deep); color: #fff; }
.header-actions .button:hover { background: #255057; }
.button { border-radius: 3px; }
.button-accent { background: var(--accent); }
.button-accent:hover { background: #ddf6a9; }
.button-outline-light:hover { color: #fff; background: #ffffff1c; border-color: #fff; }
.button span[aria-hidden] { display: inline-block; transition: transform .2s ease; }
.button:hover span[aria-hidden] { transform: translate(2px, -2px); }

.hero {
  position: relative;
  isolation: isolate;
  background: radial-gradient(circle at 78% 18%, #2b5660 0, transparent 35%), linear-gradient(135deg,#10262b 0%,#17363e 64%,#10292f 100%);
  color: #f9faf5;
  border: 0;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .25;
  background: repeating-linear-gradient(90deg, transparent 0, transparent 119px, #9dbdb144 120px);
  pointer-events: none;
}
.hero-grid { min-height: 610px; grid-template-columns: minmax(0,.69fr) minmax(0,1.31fr); gap: 4.5%; }
.hero-copy, html[dir="rtl"] .hero-copy { padding: 70px 0; }
.hero h1 { max-width: 550px; margin-bottom: 33px; font-size: clamp(3.1rem,4.7vw,5.1rem); color: #fff; }
.hero-actions { gap: 12px; }
.hero .button-outline-light { color: #f9faf5; border-color: #b2c9c6; }
.hero .button-outline-light:hover { background: #ffffff1c; }
.hero-media {
  overflow: hidden;
  border: 1px solid #aec7b5;
  border-radius: 3px;
  background: #28444a;
  box-shadow: 15px 15px 0 #b5db6c;
}
.hero-media-image { aspect-ratio: 2; padding: 0; background: #294650; }
.hero-media-image img { display: block; width: 100%; height: 100%; object-fit: cover; }
@media (hover:hover) { .hero-media:hover img { transform: scale(1.025); } }

.section { padding-top: 96px; padding-bottom: 106px; }
.section-heading { padding-bottom: 22px; border-bottom: 1px solid #b9cac4; align-items: end; }
.section-heading h2 { margin: 0; font-size: clamp(2.4rem,3.3vw,3.8rem); }
.product-grid { gap: 22px; }
.product-card {
  position: relative;
  border-radius: 3px;
  border-color: #cedbd5;
  box-shadow: 0 6px 22px #0d2d2810;
}
.product-card:hover { transform: translateY(-3px); box-shadow: 0 18px 40px #0d2d2826; border-color: #8dbba2; }
.product-card__media { position: relative; aspect-ratio: 2; padding: 0; background: #dbe6e6; }
.product-card__media::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 1px solid #ffffff70;
  pointer-events: none;
}
.product-card__media img { object-fit: cover; }
.product-card:hover .product-card__media img, .product-card__media:focus-visible img { transform: scale(1.025); }
.product-card__body { padding: 24px 25px 25px; }
.product-card .eyebrow { color: #64847b; }
.card-specs span { background: #edf3e9; color: #254c45; border-radius: 2px; }
.product-card .text-link { color: var(--deep); }
.value-section {
  background: radial-gradient(circle at 90% 0,#26515a,transparent 35%), var(--deep);
  border-top: 5px solid #b5db6c;
}
.value-grid { border-top-color: #527078; }
.value-grid article { border-inline-end-color: #527078; }
.oem-preview__visual {
  border-radius: 3px;
  border-color: #b7cbc5;
  box-shadow: -14px 14px 0 #d9e8cc;
}
.oem-preview__visual img { aspect-ratio: 2; object-fit: cover; transition: transform .28s ease; }
@media (hover:hover) { .oem-preview__visual:hover img { transform: scale(1.025); } }
.contact-strip { background: #d6efaa; }
.page-intro { background: linear-gradient(115deg,#e6eee8,#f5f6ef); border-bottom: 1px solid #cad7d0; }
.post-type-archive-sps_product .page-intro { background: var(--deep); color: #fff; }
.post-type-archive-sps_product .page-intro h1 { color: #fff; }
.post-type-archive-sps_product .page-intro .shell { border-inline-start: 3px solid var(--accent); padding-inline-start: 23px; }
.page-intro-dark { background: var(--deep); color: #fff; }

.product-detail { padding-top: 40px; }
.product-detail__grid { grid-template-columns: minmax(0,1.2fr) minmax(0,.8fr); gap: 5%; }
.product-detail__media {
  position: sticky;
  top: 22px;
  border-radius: 3px;
  border-color: #c5d6d2;
  background: #dce7e9;
  box-shadow: 14px 14px 0 #dae8d4;
}
.product-detail__media img { aspect-ratio: 2; padding: 0; object-fit: cover; }
.product-detail__copy { padding-top: 4px; }
.product-detail h1 { font-size: clamp(2.5rem,3.8vw,4.4rem); }
.spec-section { margin-top: 29px; }
.spec-section h2 { border-inline-start: 3px solid #a7d65e; padding-inline-start: 12px; }
.spec-list > div { padding: 13px 0; }
.catalog-more { border-radius: 3px; }
.catalog-more summary:hover { background: #f0f5ef; }
.site-footer { background: #0e2227; }
.footer-brand { color: #fff; }
.footer-brand::after { content: ""; display:block; width: 36px; height: 3px; margin-top: 9px; background: #b5db6c; }
@media (max-width: 1120px) {
  .hero-grid { grid-template-columns: minmax(0,.8fr) minmax(0,1.2fr); }
}
@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; min-height: 0; gap: 0; }
  .hero-copy, html[dir="rtl"] .hero-copy { padding: 60px 0 38px; }
  .hero h1 { max-width: 670px; font-size: clamp(3rem,7vw,4.6rem); }
  .hero-media { margin: 0 0 54px; box-shadow: 10px 10px 0 #b5db6c; }
  .hero-media-image { aspect-ratio: 2; padding: 0; }
  .product-detail__grid { grid-template-columns: 1fr; gap: 38px; }
  .product-detail__media { position: relative; top: auto; }
}
@media (max-width: 600px) {
  .brand { min-width: 116px; }
  .brand-mark { font-size: 1.62rem; }
  .brand-sub { font-size: .4rem; }
  .hero-copy, html[dir="rtl"] .hero-copy { padding: 54px 0 33px; }
  .hero h1 { font-size: clamp(2.75rem,11vw,3.8rem); }
  .hero-media { margin-bottom: 46px; box-shadow: 8px 8px 0 #b5db6c; }
  .hero-media-image { aspect-ratio: 2; padding: 0; }
  .section { padding-top: 70px; padding-bottom: 76px; }
  .product-card__media { aspect-ratio: 2; }
  .product-detail__media img { aspect-ratio: 2; padding: 0; }
  .product-detail__media { box-shadow: 8px 8px 0 #dae8d4; }
  .oem-preview__visual { box-shadow: -8px 8px 0 #d9e8cc; }
}
@media (prefers-reduced-motion: reduce) {
  .button span[aria-hidden], .oem-preview__visual img { transition: none !important; }
  .button:hover span[aria-hidden], .oem-preview__visual:hover img { transform: none !important; }
}