:root {
  --red: #d71920;
  --red-dark: #a70f15;
  --ink: #17191d;
  --muted: #626871;
  --line: #dfe2e7;
  --paper: #ffffff;
  --soft: #f4f5f7;
  --dark: #171a1f;
  --max: 1240px;
  --shadow: 0 16px 40px rgba(18, 22, 28, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
.sr-only, .skip-link:not(:focus) {
  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:focus {
  position: fixed;
  z-index: 999;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  background: #fff;
  border: 2px solid var(--red);
}
.preview-bar {
  padding: 7px 18px;
  color: #5d4300;
  background: #fff3c4;
  border-bottom: 1px solid #ead27a;
  font-size: 13px;
  text-align: center;
}
.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.header-inner {
  width: min(calc(100% - 40px), var(--max));
  min-height: 74px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
.brand img { width: 74px; height: 34px; object-fit: contain; }
.brand span { display: grid; line-height: 1.2; }
.brand strong { font-size: 15px; letter-spacing: 0.08em; }
.brand small { margin-top: 3px; color: var(--muted); font-size: 11px; }
.site-nav { display: flex; align-items: center; gap: 24px; }
.site-nav a { position: relative; font-size: 14px; font-weight: 700; }
.site-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -9px;
  left: 0;
  height: 2px;
  background: var(--red);
  transform: scaleX(0);
  transition: transform .2s ease;
}
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); }
.menu-toggle { display: none; border: 0; background: transparent; }
.button {
  display: inline-flex;
  min-height: 46px;
  padding: 0 22px;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: var(--red);
  border: 1px solid var(--red);
  border-radius: 4px;
  font-weight: 800;
  transition: transform .2s ease, background .2s ease;
}
.button:hover { background: var(--red-dark); transform: translateY(-1px); }
.button-small { min-height: 38px; padding: 0 16px; font-size: 13px; }
.button-ghost { color: #fff; background: transparent; border-color: rgba(255,255,255,.58); }
.button-light { color: var(--ink); background: #fff; border-color: #fff; }
.button-outline { color: var(--ink); background: transparent; border-color: #aeb3ba; }
.hero {
  position: relative;
  min-height: 680px;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: #15181d;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13,15,18,.96) 0%, rgba(13,15,18,.78) 47%, rgba(13,15,18,.18) 78%);
}
.hero-media { position: absolute; inset: 0; background: #0d0f12; }
.hero-slide { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; transition: opacity .75s ease; }
.hero-slide img { width: 100%; height: 100%; object-fit: contain; object-position: right center; }
.hero-slide.is-active { opacity: 1; }
.hero-controls { display: none; position: absolute; z-index: 3; right: max(20px, calc((100% - var(--max)) / 2)); bottom: 28px; align-items: center; gap: 12px; }
.js .hero-controls { display: flex; }
.hero-arrow { width: 38px; height: 38px; padding: 0; display: grid; place-items: center; color: #fff; background: rgba(10,12,15,.62); border: 1px solid rgba(255,255,255,.5); border-radius: 50%; cursor: pointer; font: 700 26px/1 Arial,sans-serif; }
.hero-arrow:hover,.hero-arrow:focus-visible { background: var(--red); border-color: var(--red); }
.hero-dots { display: flex; align-items: center; gap: 8px; }
.hero-dots button { width: 9px; height: 9px; padding: 0; background: rgba(255,255,255,.55); border: 0; border-radius: 50%; cursor: pointer; transition: width .2s ease, background .2s ease; }
.hero-dots button[aria-current="true"] { width: 28px; background: #fff; border-radius: 6px; }
.hero-dots button:focus-visible { outline: 3px solid rgba(255,255,255,.7); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) { .hero-slide { transition: none; } }
.hero-inner {
  position: relative;
  z-index: 2;
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 100px 0 70px;
}
.hero h1, .page-hero h1, .product-intro h1 {
  margin: 12px 0 22px;
  font-size: clamp(42px, 6vw, 76px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}
.hero-lead { max-width: 690px; margin: 0; color: rgba(255,255,255,.8); font-size: 18px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-stats { display: flex; gap: 48px; margin: 70px 0 0; }
.hero-stats div { display: grid; }
.hero-stats dt { font-size: 30px; font-weight: 900; }
.hero-stats dd { margin: 0; color: rgba(255,255,255,.62); font-size: 13px; }
.eyebrow {
  margin: 0 0 8px;
  color: var(--red);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.hero .eyebrow, .answer-band .eyebrow { color: #ff666b; }
.section { padding: 92px max(20px, calc((100% - var(--max)) / 2)); }
.section-tinted { background: var(--soft); }
.section-heading { max-width: 760px; margin-bottom: 38px; }
.section-heading h2, .two-column h2, .answer-band h2 {
  margin: 0 0 12px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: -.035em;
}
.section-heading p:last-child, .page-hero p, .two-column .lead { color: var(--muted); }
.heading-row { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.category-card {
  min-height: 310px;
  padding: 30px;
  display: flex;
  flex-direction: column;
  background: var(--soft);
  border: 1px solid transparent;
  border-radius: 6px;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.category-card:hover { transform: translateY(-4px); background: #fff; border-color: var(--line); box-shadow: var(--shadow); }
.category-card > span { color: var(--red); font-weight: 900; }
.category-card h3 { margin: auto 0 8px; font-size: 28px; }
.category-card p { color: var(--muted); }
.category-card strong { margin-top: 16px; font-size: 14px; }
.product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.product-card {
  min-width: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: transform .2s ease, box-shadow .2s ease;
}
.product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.product-card[hidden] { display: none; }
.product-card-media { height: 240px; display: grid; place-items: center; background: #f1f2f4; overflow: hidden; }
.product-card-image { width: 100%; height: 100%; padding: 18px; object-fit: contain; }
.product-card-picture { width: 100%; height: 100%; display: block; }
.media-missing { display: grid; align-content: center; justify-items: center; gap: 4px; color: #8b9198; background: linear-gradient(135deg, #eceef1, #f9f9fa); }
.media-missing span { font-size: 12px; letter-spacing: .1em; }
.media-missing strong { color: #666d75; font-size: 14px; }
.product-card-body { padding: 22px; }
.badges { display: flex; flex-wrap: wrap; gap: 6px; }
.badges span { padding: 3px 8px; color: var(--red-dark); background: #fff0f0; border-radius: 3px; font-size: 11px; font-weight: 800; }
.product-id { margin: 14px 0 4px; color: #8a9098; font-size: 11px; font-weight: 700; letter-spacing: .05em; }
.product-card h3 { margin: 0; font-size: 20px; line-height: 1.35; }
.product-card-body > p:not(.product-id) { min-height: 52px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.fact-list { min-height: 76px; padding: 0; margin: 16px 0; list-style: none; border-top: 1px solid var(--line); }
.fact-list li { padding: 7px 0; overflow: hidden; color: #4c525a; border-bottom: 1px solid var(--line); font-size: 12px; white-space: nowrap; text-overflow: ellipsis; }
.text-link { color: var(--red-dark); font-size: 13px; font-weight: 800; }
.scenario-grid, .trust-grid, .editorial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.scenario-grid a, .trust-grid article, .content-card {
  min-height: 220px;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
}
.scenario-grid b, .trust-grid span, .content-card > span { color: var(--red); font-size: 13px; }
.scenario-grid h3, .trust-grid h3, .content-card h2 { margin: 42px 0 8px; font-size: 23px; }
.scenario-grid p, .trust-grid p, .content-card p { margin: 0; color: var(--muted); }
.answer-band {
  padding: 70px max(20px, calc((100% - var(--max)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  color: #fff;
  background: var(--dark);
}
.answer-band > div { max-width: 780px; }
.answer-band p:last-child { color: rgba(255,255,255,.68); }
.page-hero { padding: 110px max(20px, calc((100% - var(--max)) / 2)); color: #fff; background: var(--dark); }
.page-hero.compact { padding-top: 70px; padding-bottom: 70px; }
.page-hero > div { max-width: 900px; }
.page-hero h1 { font-size: clamp(40px, 6vw, 66px); }
.page-hero p { max-width: 760px; color: rgba(255,255,255,.7); font-size: 18px; }
.breadcrumbs { margin-bottom: 34px; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; color: #7d848d; font-size: 12px; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 8px; }
.page-hero .breadcrumbs { color: rgba(255,255,255,.56); }
.filter-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.filter-chip { min-width: 180px; padding: 13px 16px; display: flex; justify-content: space-between; gap: 16px; background: var(--soft); border: 1px solid var(--line); border-radius: 4px; }
.filter-chip span { color: var(--muted); font-size: 12px; }
.product-tools { margin-bottom: 28px; display: flex; align-items: end; justify-content: space-between; gap: 20px; }
.product-tools label { display: grid; gap: 7px; width: min(480px, 100%); font-size: 12px; font-weight: 800; }
.product-tools input { width: 100%; padding: 12px 14px; border: 1px solid #bec3c9; border-radius: 4px; }
.product-tools span { color: var(--muted); font-size: 13px; }
.content-callout { display: grid; grid-template-columns: 1fr 1.5fr auto; align-items: center; gap: 36px; }
.content-callout h2 { margin: 0; }
.content-callout p { color: var(--muted); }
.product-hero { padding: 54px max(20px, calc((100% - var(--max)) / 2)) 80px; background: #f4f5f7; }
.product-hero-inner { display: grid; grid-template-columns: 1fr 1.05fr; gap: 72px; align-items: center; }
.product-visual { text-align: center; }
.product-detail-image { width: 100%; height: 520px; padding: 38px; object-fit: contain; background: #fff; border: 1px solid var(--line); border-radius: 6px; }
.product-detail-image.media-missing { display: grid; }
.product-gallery { display: grid; gap: 12px; min-width: 0; }
.product-gallery-stage { min-width: 0; }
.product-gallery-stage .product-detail-image { display: block; }
.product-gallery-thumbs { padding: 2px 2px 8px; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(92px, 112px); gap: 10px; overflow-x: auto; overscroll-behavior-inline: contain; scroll-snap-type: inline proximity; scrollbar-width: thin; }
.gallery-thumb { padding: 6px; display: grid; gap: 5px; scroll-snap-align: start; color: var(--muted); background: #fff; border: 1px solid var(--line); border-radius: 5px; cursor: pointer; font: inherit; text-align: center; }
.gallery-thumb img { width: 100%; aspect-ratio: 1; display: block; object-fit: contain; background: #fff; }
.gallery-thumb span { overflow: hidden; font-size: 11px; line-height: 1.3; text-overflow: ellipsis; white-space: nowrap; }
.gallery-thumb:hover { border-color: #aeb4bc; }
.gallery-thumb[aria-current="true"] { color: var(--red-dark); border-color: var(--red); box-shadow: 0 0 0 1px var(--red); }
.gallery-thumb:focus-visible { outline: 3px solid rgba(190, 24, 35, .25); outline-offset: 2px; }
.product-visual > p { color: var(--muted); font-size: 12px; }
.product-intro h1 { font-size: clamp(38px, 5vw, 60px); }
.product-intro .lead { color: #4e545c; font-size: 17px; }
.review-note { padding: 14px 16px; margin-top: 22px; background: #fff4cf; border-left: 3px solid #d19a00; }
.review-note p { margin: 3px 0 0; color: #65521a; font-size: 12px; }
.product-purchase-panel { margin-top: 26px; padding: 20px; background: rgba(255,255,255,.9); border: 1px solid #cbdde0; border-radius: 6px; box-shadow: 0 12px 30px rgba(18,54,61,.08); }
.purchase-panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.purchase-kicker { display: block; margin-bottom: 5px; color: var(--red); font-size: 11px; font-weight: 900; letter-spacing: .1em; }
.product-purchase-panel h2 { margin: 0; font-size: 19px; line-height: 1.4; }
.purchase-channel-count { flex: none; padding: 5px 9px; color: #326a72; background: #e9f5f6; border-radius: 4px; font-size: 11px; font-weight: 800; }
.purchase-channel-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(150px,1fr)); gap: 10px; margin-top: 16px; }
.purchase-channel-link { min-height: 64px; padding: 10px 12px; display: grid; grid-template-columns: 38px 1fr auto; align-items: center; gap: 10px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 5px; text-decoration: none; transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease; }
.purchase-channel-link:hover { color: var(--ink); border-color: #88b9bf; box-shadow: 0 8px 18px rgba(18,54,61,.1); transform: translateY(-1px); }
.purchase-channel-link:focus-visible { outline: 3px solid rgba(0,143,163,.24); outline-offset: 2px; }
.purchase-platform-icon { width: 38px; height: 38px; display: grid; place-items: center; color: #fff; background: var(--channel-color); border-radius: 5px; font-size: 17px; font-weight: 900; }
.purchase-platform-copy { min-width: 0; display: grid; gap: 2px; }
.purchase-platform-copy strong { font-size: 14px; }
.purchase-platform-copy small { color: var(--muted); font-size: 11px; }
.purchase-external { color: var(--muted); font-size: 16px; }
.channel-tmall { --channel-color: #ff0036; }
.channel-jd { --channel-color: #e1251b; }
.channel-pinduoduo { --channel-color: #e02e24; }
.purchase-note,.product-purchase-panel.is-unavailable > p { margin: 13px 0 0; color: var(--muted); font-size: 11px; line-height: 1.65; }
.purchase-contact-priority { margin: 12px 0 0; padding-top: 12px; color: #3f4b50; border-top: 1px solid var(--line); font-size: 12px; line-height: 1.75; }
.purchase-consult-link { display: inline-block; margin-top: 10px; color: #176875; font-size: 12px; font-weight: 800; text-decoration: underline; text-underline-offset: 3px; }
.product-purchase-panel.is-unavailable { border-color: #e4d2a8; background: #fffaf0; box-shadow: none; }
.product-purchase-panel.is-unavailable > p a { color: #176875; font-weight: 800; overflow-wrap: anywhere; }
.product-purchase-panel.is-unavailable .button { margin-top: 14px; }
.product-secondary-actions { margin-top: 14px; }
.two-column { display: grid; grid-template-columns: 1.4fr .6fr; gap: 70px; align-items: start; }
.decision-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.decision-grid article { padding: 22px; border-radius: 5px; }
.decision-grid .positive { background: #f0f7f2; border: 1px solid #cfe3d4; }
.decision-grid .negative { background: #faf2f1; border: 1px solid #ebd3d1; }
.decision-grid h3 { margin-top: 0; }
.check-list { padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 20px; margin: 9px 0; }
.check-list li::before { content: "—"; position: absolute; left: 0; color: var(--red); }
.fact-panel { padding: 30px; display: grid; gap: 7px; color: #fff; background: var(--dark); border-radius: 6px; }
.fact-panel span { margin-top: 14px; color: rgba(255,255,255,.54); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.fact-panel strong { font-size: 20px; }
.fact-panel p { margin: 0; color: rgba(255,255,255,.74); }
.spec-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.spec-card { padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: 6px; }
.spec-card h3 { margin-top: 0; font-size: 22px; }
.spec-list, .number-list { padding: 0; margin: 0; list-style: none; }
.spec-list li, .number-list li { padding: 11px 0; border-bottom: 1px solid var(--line); }
.number-list { counter-reset: points; }
.number-list li { position: relative; padding-left: 38px; counter-increment: points; }
.number-list li::before { content: counter(points, decimal-leading-zero); position: absolute; left: 0; color: var(--red); font-weight: 900; }
.selling-point-list { padding: 0; margin: 0; list-style: none; counter-reset: selling-points; }
.selling-point-list li { position: relative; padding: 13px 0 13px 38px; border-bottom: 1px solid var(--line); counter-increment: selling-points; }
.selling-point-list li::before { content: counter(selling-points, decimal-leading-zero); position: absolute; left: 0; top: 13px; color: var(--red); font-weight: 900; }
.selling-point-list strong { display: block; font-size: 16px; line-height: 1.55; }
.selling-point-list p { margin: 6px 0 0; color: var(--muted); font-size: 13px; line-height: 1.7; white-space: pre-line; }
.scene-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.scene-tags span { padding: 10px 14px; background: var(--soft); border-left: 3px solid var(--red); }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 20px 36px 20px 0; cursor: pointer; font-weight: 800; }
.faq-list details p { max-width: 900px; margin: -4px 0 24px; color: var(--muted); }
.answer-stats { margin-top: 34px; display: flex; flex-wrap: wrap; gap: 12px; }
.answer-stats span { padding: 10px 14px; color: rgba(255,255,255,.72); background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: 4px; font-size: 13px; }
.answer-stats strong { margin-right: 5px; color: #fff; font-size: 20px; }
.faq-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 16px; }
.faq-toolbar label { width: min(620px, 100%); display: grid; gap: 7px; font-size: 12px; font-weight: 800; }
.faq-toolbar input { width: 100%; padding: 13px 14px; border: 1px solid #bec3c9; border-radius: 4px; font: inherit; }
.faq-toolbar > span { color: var(--muted); font-size: 13px; }
.faq-filter-row { display: flex; flex-wrap: wrap; gap: 9px; }
.faq-filter { padding: 10px 14px; color: #3d4248; background: #fff; border: 1px solid var(--line); border-radius: 4px; cursor: pointer; font: inherit; font-size: 13px; font-weight: 800; }
.faq-filter span { margin-left: 5px; color: var(--muted); font-size: 11px; }
.faq-filter:hover, .faq-filter.is-active { color: #fff; background: var(--red-dark); border-color: var(--red-dark); }
.faq-filter.is-active span { color: rgba(255,255,255,.72); }
.faq-source-note { margin-top: 22px; }
.faq-category-section { padding: 54px 0 10px; scroll-margin-top: 90px; }
.faq-category-section + .faq-category-section { border-top: 1px solid var(--line); }
.faq-category-section .heading-row > strong { color: var(--red-dark); }
.faq-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.faq-card { min-height: 260px; padding: 24px; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 6px; }
.faq-card[hidden] { display: none; }
.faq-card-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 11px; }
.faq-card-meta span:first-child { color: var(--red-dark); font-weight: 900; }
.faq-card h3 { margin: 26px 0 10px; font-size: 21px; line-height: 1.45; }
.faq-card h3 a:hover { color: var(--red-dark); }
.faq-card > p { margin: 0 0 24px; color: var(--muted); font-size: 14px; line-height: 1.75; }
.faq-card > .text-link { margin-top: auto; }
.faq-empty { margin-top: 30px; }
.answer-page-header { padding: 82px max(20px, calc((100% - var(--max)) / 2)); color: #fff; background: var(--dark); }
.answer-page-header > div { max-width: 960px; }
.answer-page-header h1 { max-width: 920px; font-size: clamp(34px, 5vw, 58px); line-height: 1.18; }
.answer-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.answer-meta span { padding: 8px 11px; color: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.16); border-radius: 4px; font-size: 12px; }
.answer-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(260px, .5fr); gap: 56px; align-items: start; }
.answer-main { display: grid; gap: 18px; }
.answer-block, .boundary-block, .recommendation-block { padding: 30px; background: #fff; border: 1px solid var(--line); border-radius: 6px; }
.answer-block { border-top: 4px solid var(--red); }
.answer-block p:not(.eyebrow), .boundary-block p, .recommendation-block p { color: #3f454c; font-size: 16px; line-height: 1.9; }
.boundary-block { background: #fff8e4; border-color: #ead9a7; }
.boundary-block h2, .recommendation-block h2 { margin-top: 0; font-size: 21px; }
.answer-facts { padding: 26px; display: grid; gap: 7px; background: var(--soft); border: 1px solid var(--line); border-radius: 6px; }
.answer-facts span { margin-top: 14px; color: var(--muted); font-size: 11px; font-weight: 800; }
.answer-facts strong, .answer-facts p { margin: 0; overflow-wrap: anywhere; }
.related-product-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.related-product-link { min-height: 130px; padding: 18px; display: grid; align-content: start; background: #fff; border: 1px solid var(--line); border-radius: 5px; }
.related-product-link span { color: var(--muted); font-size: 10px; }
.related-product-link strong { margin-top: 12px; font-size: 20px; }
.related-product-link small { margin-top: 5px; color: var(--muted); }
.related-answer-list, .product-faq-links { padding: 0; margin: 0 0 28px; list-style: none; border-top: 1px solid var(--line); }
.related-answer-list li, .product-faq-links li { padding: 15px 0; border-bottom: 1px solid var(--line); }
.related-answer-list a, .product-faq-links a { font-weight: 800; }
.product-faq-links li { display: flex; justify-content: space-between; gap: 18px; }
.product-faq-links span { color: var(--muted); font-size: 12px; }

@media (max-width: 820px) {
  .faq-toolbar, .answer-layout { display: flex; align-items: flex-start; flex-direction: column; }
  .faq-card-grid, .related-product-grid { grid-template-columns: 1fr; }
  .faq-card { min-height: 0; }
  .answer-layout { gap: 24px; }
  .answer-facts { width: 100%; }
}
.support-strip { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: center; }
.support-strip span { color: var(--muted); font-size: 11px; }
.support-strip strong { margin-bottom: 8px; }
.download-grid, .channel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.download-card { min-height: 150px; padding: 24px; display: grid; background: var(--soft); border: 1px solid var(--line); border-radius: 5px; }
.download-card span { color: var(--red); font-size: 11px; }
.download-card strong { font-size: 20px; }
.download-card b { align-self: end; font-size: 12px; }
.support-contacts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.support-video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 22px; }
.support-video-card { min-height: 220px; padding: 26px; display: flex; flex-direction: column; color: inherit; background: #fff; border: 1px solid var(--line); border-top: 4px solid #008fa3; border-radius: 5px; box-shadow: 0 12px 30px rgba(18,54,61,.05); text-decoration: none; }
.support-video-card:hover { border-color: #008fa3; transform: translateY(-2px); }
.support-video-card > span { color: #087584; font-size: 11px; font-weight: 800; letter-spacing: .1em; }
.support-video-card h3 { margin: 18px 0 9px; font-size: 21px; }
.support-video-card p { margin: 0; color: var(--muted); font-size: 13px; }
.support-video-card strong { margin-top: auto; padding-top: 24px; color: #087584; font-size: 13px; }
.support-contacts div { display: grid; padding: 20px; background: #fff; border: 1px solid var(--line); }
.support-contacts span { color: var(--muted); font-size: 12px; }
.support-contacts strong { margin-top: 5px; }
.service-policy-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 18px; }
.service-policy-grid article { padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 6px; }
.service-policy-grid span { display: block; color: var(--red); font-size: 12px; font-weight: 900; }
.service-policy-grid strong { display: block; margin-top: 8px; font-size: 20px; }
.service-policy-grid p { margin: 8px 0 0; color: var(--muted); font-size: 14px; }
.channel-grid article { min-height: 270px; padding: 28px; background: var(--soft); border: 1px solid var(--line); border-radius: 6px; }
.channel-grid article span { color: var(--red); font-size: 11px; font-weight: 900; }
.channel-grid article h2 { margin-top: 55px; }
.channel-grid article p { color: var(--muted); }
.channel-grid article b { display: inline-block; margin-top: 20px; color: #8a6d18; }
.notice { padding: 20px 24px; margin: 30px 0; background: #fff4cf; border-left: 3px solid #d19a00; }
.notice p { margin: 4px 0 0; color: #65521a; }
.consultation-band { padding: 54px max(20px,calc((100% - var(--max))/2)); display: flex; align-items: center; justify-content: space-between; gap: 36px; color: #fff; background: linear-gradient(120deg,#12363d,#167180); }
.consultation-band > div { max-width: 790px; }
.consultation-band h2 { margin: 4px 0 8px; color: #fff; font-size: clamp(28px,3.2vw,40px); }
.consultation-band p { margin: 0; color: rgba(255,255,255,.72); }
.consultation-band .eyebrow { color: #8de3ed; }
.consultation-layout { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(280px,.65fr); gap: 44px; align-items: start; }
.consultation-form-card { min-width: 0; padding: 34px; background: #fff; border: 1px solid var(--line); border-radius: 6px; box-shadow: var(--shadow); }
.consultation-form-card .section-heading { margin-bottom: 24px; }
.consultation-form { position: relative; }
.form-trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { min-width: 0; display: grid; align-content: start; gap: 7px; color: #30363d; font-size: 13px; font-weight: 800; }
.form-field-wide { grid-column: 1/-1; }
.form-field b,.privacy-consent b { color: var(--red); }
.form-field input,.form-field select,.form-field textarea { width: 100%; padding: 12px 13px; color: var(--ink); background: #fff; border: 1px solid #bfc9cd; border-radius: 4px; outline: none; font-weight: 400; }
.form-field textarea { min-height: 150px; resize: vertical; line-height: 1.65; }
.form-field input:focus,.form-field select:focus,.form-field textarea:focus { border-color: #008fa3; box-shadow: 0 0 0 3px rgba(0,143,163,.14); }
.form-field input[aria-invalid="true"],.form-field select[aria-invalid="true"],.form-field textarea[aria-invalid="true"] { border-color: var(--red); }
.contact-field-error { margin: 12px 0 0; color: var(--red-dark); font-size: 13px; font-weight: 800; }
.privacy-consent { margin-top: 20px; display: flex; align-items: flex-start; gap: 10px; color: #4c535b; font-size: 12px; line-height: 1.65; }
.privacy-consent input { flex: none; width: 17px; height: 17px; margin-top: 2px; accent-color: #008fa3; }
.privacy-consent a { color: #176875; text-decoration: underline; text-underline-offset: 2px; }
.form-submit-row { margin-top: 22px; display: flex; align-items: center; gap: 18px; }
.form-submit-row p { margin: 0; color: var(--muted); font-size: 12px; }
.form-submit-row p a { color: #176875; font-weight: 800; }
.form-submit-row button[disabled] { cursor: wait; opacity: .65; }
.form-status { margin-top: 18px; padding: 14px 16px; border-radius: 4px; font-size: 13px; }
.form-status.is-success { color: #24522c; background: #e8f4ea; border: 1px solid #bdddc3; }
.form-status.is-error { color: #8d2020; background: #fff0f0; border: 1px solid #ebc0c0; }
.consultation-side { padding: 30px; color: #fff; background: var(--dark); border-radius: 6px; }
.consultation-side h2 { margin-top: 4px; color: #fff; font-size: 28px; }
.consultation-side ol { padding: 0; margin: 28px 0; display: grid; gap: 18px; list-style: none; }
.consultation-side li { display: grid; grid-template-columns: 38px 1fr; gap: 10px; align-items: start; }
.consultation-side li strong { color: #7bd3dc; }
.consultation-side li span { color: rgba(255,255,255,.76); }
.consultation-direct { padding-top: 20px; display: grid; gap: 5px; border-top: 1px solid rgba(255,255,255,.16); }
.consultation-direct span { margin-top: 8px; color: rgba(255,255,255,.5); font-size: 11px; }
.consultation-direct a { color: #fff; font-size: 20px; font-weight: 800; }
.consultation-side .muted { color: rgba(255,255,255,.55); font-size: 12px; }
.legal-copy { max-width: 920px; }
.legal-copy article { padding: 0 0 30px; margin-bottom: 30px; border-bottom: 1px solid var(--line); }
.legal-copy h2 { font-size: 24px; }
.legal-copy p, .muted { color: var(--muted); }
.empty-state { padding: 60px; text-align: center; background: var(--soft); border: 1px dashed #bdc2c9; }
.site-footer { padding: 70px max(20px, calc((100% - var(--max)) / 2)) 24px; color: #fff; background: #121418; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 48px; }
.footer-brand img {
  width: 87px;
  height: 26px;
  padding: 8px 10px;
  display: block;
  background: #fff;
  border-radius: 3px;
  filter: none;
  box-sizing: content-box;
}
.footer-brand p { max-width: 280px; color: rgba(255,255,255,.55); }
.footer-grid > div:not(.footer-brand) { display: grid; align-content: start; gap: 8px; }
.footer-grid h2 { margin: 0 0 10px; font-size: 14px; }
.footer-grid a { color: rgba(255,255,255,.6); font-size: 13px; }
.footer-grid a:hover { color: #fff; }
.footer-meta { margin-top: 54px; padding-top: 18px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 20px; color: rgba(255,255,255,.4); border-top: 1px solid rgba(255,255,255,.12); font-size: 11px; }
.footer-meta a { color: inherit; }

.customer-service-widget { position: fixed; z-index: 120; right: 22px; bottom: 22px; display: grid; justify-items: end; gap: 10px; }
.customer-service-toggle { min-height: 48px; padding: 0 19px; display: inline-flex; align-items: center; gap: 8px; color: #fff; background: #087f91; border: 0; border-radius: 6px; box-shadow: 0 12px 32px rgba(9,54,62,.26); font: inherit; font-size: 14px; font-weight: 800; cursor: pointer; }
.customer-service-toggle:hover { background: #076c7a; }
.customer-service-toggle:focus-visible,.customer-service-panel a:focus-visible,.customer-service-panel button:focus-visible { outline: 3px solid rgba(0,143,163,.3); outline-offset: 3px; }
.customer-service-panel { width: min(340px,calc(100vw - 32px)); overflow: hidden; color: var(--ink); background: #fff; border: 1px solid #cfdddf; border-radius: 7px; box-shadow: 0 22px 60px rgba(11,39,45,.25); }
.customer-service-panel[hidden] { display: none; }
.customer-service-panel-head { padding: 17px 18px; display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; color: #fff; background: linear-gradient(125deg,#12363d,#176875); }
.customer-service-panel-head div { display: grid; gap: 3px; }
.customer-service-panel-head span { color: rgba(255,255,255,.68); font-size: 11px; }
.customer-service-panel-head strong { font-size: 17px; }
.customer-service-panel-head button { width: 30px; height: 30px; padding: 0; color: #fff; background: transparent; border: 1px solid rgba(255,255,255,.34); border-radius: 4px; font-size: 21px; line-height: 1; cursor: pointer; }
.customer-service-options { padding: 8px; display: grid; }
.customer-service-options > a,.customer-service-contact { padding: 12px; display: grid; gap: 3px; color: inherit; border-radius: 4px; text-decoration: none; }
.customer-service-options > a:hover { color: #087584; background: #edf7f8; }
.customer-service-options span { font-size: 13px; font-weight: 800; }
.customer-service-options small { color: var(--muted); font-size: 11px; }
.customer-service-contact > div { display: grid; gap: 3px; }
.customer-service-contact a { color: var(--muted); font-size: 11px; overflow-wrap: anywhere; text-decoration: none; }
.customer-service-contact a:hover { color: #087584; text-decoration: underline; text-underline-offset: 2px; }
.customer-service-urgent { margin: 0 8px 8px; padding: 12px; display: flex; align-items: center; justify-content: space-between; gap: 14px; color: #8f1e24; background: #fff1f1; border: 1px solid #efc5c8; border-radius: 4px; text-decoration: none; }
.customer-service-urgent span { font-size: 12px; font-weight: 700; }
.customer-service-urgent strong { white-space: nowrap; font-size: 15px; }

@media (max-width: 1080px) {
  .site-nav { gap: 14px; }
  .site-nav a { font-size: 12px; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .product-hero-inner { gap: 40px; }
  .support-strip { grid-template-columns: 1fr 1fr; }
  .support-strip > a { justify-self: start; }
}

@media (max-width: 820px) {
  .header-inner { min-height: 66px; }
  .header-inner > .button-small { display: none; }
  .menu-toggle { width: 40px; height: 40px; padding: 8px; display: grid; align-content: center; gap: 5px; }
  .menu-toggle span { height: 2px; display: block; background: var(--ink); }
  .site-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    padding: 14px 20px 22px;
    display: none;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
  }
  .site-nav.is-open { display: grid; }
  .site-nav a { padding: 8px 0; font-size: 14px; }
  .hero { min-height: 620px; }
  .hero::after { background: linear-gradient(90deg, rgba(13,15,18,.94), rgba(13,15,18,.6)); }
  .hero-stats { gap: 28px; margin-top: 50px; }
  .category-grid, .scenario-grid, .trust-grid, .editorial-grid, .download-grid, .channel-grid { grid-template-columns: 1fr 1fr; }
  .product-grid { grid-template-columns: 1fr 1fr; }
  .product-hero-inner, .two-column { grid-template-columns: 1fr; }
  .consultation-layout { grid-template-columns: 1fr; }
  .product-detail-image { height: 430px; }
  .spec-layout { grid-template-columns: 1fr; }
  .support-strip { grid-template-columns: 1fr; }
  .support-contacts { grid-template-columns: 1fr 1fr; }
  .support-video-grid { grid-template-columns: 1fr; }
  .service-policy-grid { grid-template-columns: 1fr; }
  .content-callout { grid-template-columns: 1fr; gap: 12px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  body { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
  .header-inner { width: min(calc(100% - 28px), var(--max)); }
  .brand small { display: none; }
  .section { padding-top: 64px; padding-bottom: 64px; }
  .hero { min-height: 590px; }
  .hero-slide img { object-position: center center; }
  .hero-inner { padding-top: 70px; }
  .hero h1 { font-size: 43px; }
  .hero-lead { font-size: 15px; }
  .hero-stats { gap: 18px; }
  .hero-stats dt { font-size: 24px; }
  .category-grid, .scenario-grid, .trust-grid, .editorial-grid, .download-grid, .channel-grid, .product-grid { grid-template-columns: 1fr; }
  .category-card { min-height: 240px; }
  .heading-row, .answer-band, .consultation-band, .product-tools { align-items: flex-start; flex-direction: column; }
  .answer-band { padding-top: 54px; padding-bottom: 54px; }
  .page-hero { padding-top: 72px; padding-bottom: 72px; }
  .product-hero { padding-top: 28px; }
  .product-detail-image { height: 330px; padding: 22px; }
  .hero-controls { right: 50%; bottom: 18px; transform: translateX(50%); }
  .hero-arrow { width: 36px; height: 36px; }
  .decision-grid { grid-template-columns: 1fr; }
  .purchase-panel-heading { display: grid; }
  .purchase-channel-grid { grid-template-columns: 1fr; }
  .purchase-channel-link { min-height: 60px; }
  .consultation-form-card { padding: 24px 18px; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field-wide { grid-column: auto; }
  .form-submit-row { align-items: flex-start; flex-direction: column; }
  .support-contacts, .footer-grid { grid-template-columns: 1fr; }
  .footer-meta { flex-direction: column; }
  .customer-service-widget { right: 14px; bottom: calc(10px + env(safe-area-inset-bottom)); }
  .customer-service-toggle { min-height: 46px; padding: 0 16px; }
  .customer-service-panel { width: calc(100vw - 28px); max-height: calc(100vh - 100px - env(safe-area-inset-bottom)); overflow-y: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}


/* GEO solution pages V1.3 */
.solution-stats,.solution-sku-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.solution-stats span,.solution-sku-row span{display:inline-flex;align-items:center;gap:7px;border:1px solid rgba(255,255,255,.22);padding:9px 13px;border-radius:6px;background:rgba(255,255,255,.06)}.solution-stats strong{font-size:1.35rem;color:#fff}.solution-line-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.solution-line-card,.solution-level-card{position:relative;border:1px solid var(--line);background:#fff;padding:28px;border-radius:6px}.solution-line-card{display:flex;min-height:100%;flex-direction:column}.solution-number,.solution-level-card>span{display:block;margin-bottom:30px;color:var(--red);font-size:.82rem;font-weight:800;letter-spacing:.12em}.solution-line-card h2,.solution-level-card h2{margin:6px 0 12px}.solution-level-links{display:grid;gap:8px;margin:22px 0}.solution-level-links a{display:flex;justify-content:space-between;gap:12px;padding:11px 12px;border:1px solid var(--line);border-radius:4px;color:inherit;text-decoration:none}.solution-level-links a:hover{border-color:var(--red);color:var(--red)}.solution-level-links span{color:var(--muted);font-size:.86rem}.solution-card-footer{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-top:auto;padding-top:16px;border-top:1px solid var(--line);font-size:.88rem}.solution-level-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.solution-level-card{display:flex;flex-direction:column}.solution-level-card dl{display:grid;gap:10px;margin:18px 0 24px}.solution-level-card dl div{padding:12px;background:var(--paper,#f7f7f5);border-radius:4px}.solution-level-card dt{color:var(--muted);font-size:.78rem}.solution-level-card dd{margin:4px 0 0;font-weight:700}.solution-level-card .text-link{margin-top:auto}.solution-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;list-style:none;padding:0;margin:0}.solution-steps li{background:#fff;border:1px solid var(--line);padding:22px;border-radius:6px}.solution-steps span{color:var(--red);font-weight:800}.solution-steps p{margin:18px 0 0}.solution-boundary{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:46px;align-items:start;border-left:4px solid var(--red);background:#171717;color:#fff;padding:34px;border-radius:4px}.solution-boundary h2{color:#fff}.solution-boundary p,.solution-boundary li{color:#d5d5d5}.product-solution-link{display:flex;align-items:center;justify-content:space-between;gap:30px;background:#f5f1ee;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.product-solution-link h2{margin:4px 0 8px}.product-solution-link p{max-width:760px;margin:0}
@media (max-width:900px){.solution-line-grid,.solution-level-grid{grid-template-columns:1fr 1fr}.solution-steps{grid-template-columns:1fr 1fr}.solution-boundary{grid-template-columns:1fr}.product-solution-link{align-items:flex-start;flex-direction:column}}
@media (max-width:640px){.solution-line-grid,.solution-level-grid,.solution-steps{grid-template-columns:1fr}.solution-line-card,.solution-level-card{padding:22px}.solution-card-footer{align-items:flex-start;flex-direction:column}.solution-boundary{padding:24px}.solution-stats span{flex:1 1 120px}.product-solution-link .button{width:100%;text-align:center}}


/* Brand authority and industry knowledge V1.1 */
.authority-home-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.authority-home-grid>a{display:block;border:1px solid var(--line);background:#fff;padding:28px;color:inherit;text-decoration:none;border-radius:6px}.authority-home-grid>a:hover{border-color:var(--red);transform:translateY(-2px)}.authority-home-grid span,.authority-channel-grid span{color:var(--red);font-size:.75rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.authority-home-grid h3{margin:12px 0 8px;font-size:1.35rem}.authority-home-grid strong{display:block;margin-top:20px}.authority-channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:22px}.authority-channel-grid a{display:flex;flex-direction:column;gap:8px;border:1px solid var(--line);padding:22px;color:inherit;text-decoration:none;border-radius:6px}.authority-channel-grid a:hover{border-color:var(--red)}.authority-channel-grid small{color:var(--muted)}.authority-rule{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:42px;align-items:start}.authority-source{margin-top:24px;color:var(--muted);font-size:.85rem}.knowledge-stats{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.knowledge-stats span{border:1px solid rgba(255,255,255,.22);padding:10px 14px;border-radius:6px}.knowledge-stats strong{margin-right:6px;color:#fff;font-size:1.25rem}.knowledge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.knowledge-card{display:flex;flex-direction:column;min-height:260px;border:1px solid var(--line);padding:24px;background:#fff;border-radius:6px}.knowledge-card>span{color:var(--red);font-weight:800}.knowledge-card h2{margin:24px 0 10px;font-size:1.28rem}.knowledge-card h2 a{color:inherit;text-decoration:none}.knowledge-card .text-link{margin-top:auto;padding-top:18px}.source-list{display:grid;gap:10px;padding:0;list-style:none}.source-list li{display:grid;grid-template-columns:54px 1fr;gap:12px;border-bottom:1px solid var(--line);padding:10px 0}.source-list strong{color:var(--red)}.source-list.compact{max-width:920px}.knowledge-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:54px;align-items:start}.knowledge-main{display:grid;gap:34px}.knowledge-section{border-bottom:1px solid var(--line);padding-bottom:30px}.knowledge-section h2{margin-top:0}.knowledge-section p{font-size:1.02rem;line-height:1.85}.knowledge-side{position:sticky;top:110px;border-top:4px solid var(--red);background:#f5f1ee;padding:24px;border-radius:4px}.knowledge-side strong{font-size:1.1rem}.knowledge-side .button{margin-top:16px;width:100%;text-align:center}
@media(max-width:900px){.knowledge-grid{grid-template-columns:1fr 1fr}.authority-rule,.knowledge-layout{grid-template-columns:1fr}.knowledge-side{position:static}.authority-channel-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.authority-home-grid,.authority-channel-grid,.knowledge-grid{grid-template-columns:1fr}.source-list li{grid-template-columns:46px 1fr}.knowledge-card{min-height:0}}


/* 2026-08 visual system: clean technology base + category accents */
:root {
  --red: #008fa3;
  --red-dark: #087584;
  --ink: #183137;
  --muted: #5f757a;
  --line: #d7e6e8;
  --paper: #ffffff;
  --soft: #f1f8f9;
  --dark: #12363d;
  --shadow: 0 18px 42px rgba(18, 54, 61, 0.09);
  --commercial: #d71920;
  --commercial-dark: #111419;
  --care: #b76b31;
  --care-dark: #20322c;
  --care-soft: #f5efe7;
}

body { background: #fbfdfd; }
.site-header { background: rgba(255,255,255,.94); box-shadow: 0 8px 28px rgba(18,54,61,.04); }
.header-inner { min-height: 82px; }
.brand strong { color: #14363d; }
.button { border-radius: 6px; box-shadow: 0 8px 20px rgba(0,143,163,.14); }
.button-outline { color: var(--dark); background: #fff; border-color: #9fc4ca; box-shadow: none; }
.button-outline:hover { color: #fff; border-color: var(--red-dark); }
.button-light { color: var(--dark); box-shadow: none; }

.hero { min-height: 660px; color: var(--ink); background: linear-gradient(135deg,#f8fdfe 0%,#e3f4f6 100%); }
.hero::after { background: linear-gradient(90deg,rgba(248,253,254,.99) 0%,rgba(242,251,252,.94) 43%,rgba(229,246,248,.30) 68%,rgba(229,246,248,.04) 100%); }
.hero-media { background: linear-gradient(135deg,#eef9fa,#d9f0f2); }
.hero-slide img { object-fit: contain; object-position: right center; }
.hero .eyebrow { color: var(--red-dark); }
.hero-lead { color: #587178; }
.button-ghost { color: var(--dark); background: rgba(255,255,255,.72); border-color: #8bbac1; box-shadow: none; }
.button-ghost:hover { color: #fff; }
.hero-stats dd { color: #6a8187; }
.hero-arrow { color: #fff; background: rgba(18,54,61,.82); border-color: rgba(255,255,255,.7); }
.hero-dots button { background: rgba(18,54,61,.30); }
.hero-dots button[aria-current="true"] { background: var(--red); }

.section { position: relative; }
.section-tinted { background: #f1f8f9; }
.category-card { background: #fff; border-color: #d2e4e7; box-shadow: 0 14px 34px rgba(18,54,61,.055); }
.category-card:hover { border-color: #8cc7cf; }
.category-card[data-theme="pressure-washers"] { background: linear-gradient(145deg,#f8fdfe,#e8f6f7); }
.category-card[data-theme="accessories"] { background: linear-gradient(145deg,#f7fbfb,#edf4f5); }
.category-card[data-theme="car-care"] { background: linear-gradient(145deg,#fffaf5,#f4eade); border-color: #e7d8c7; }
.category-card[data-theme="car-care"] > span,.category-card[data-theme="car-care"] strong { color: var(--care); }
.product-card { border-color: #d8e6e8; box-shadow: 0 12px 30px rgba(18,54,61,.045); }
.product-card-media { background: linear-gradient(145deg,#f8fbfb,#eaf3f4); }
.badges span { color: var(--red-dark); background: #e9f7f8; }
.scenario-grid a { box-shadow: 0 12px 30px rgba(18,54,61,.045); }
.scenario-grid a[data-theme="commercial"] { color: #fff; background: linear-gradient(145deg,#171a1f,#24292f); border-color: #353b42; }
.scenario-grid a[data-theme="commercial"] b { color: #ff555b; }
.scenario-grid a[data-theme="commercial"] p { color: rgba(255,255,255,.68); }
.authority-home-grid > a,.trust-grid article,.content-card { box-shadow: 0 12px 30px rgba(18,54,61,.045); }
.answer-band { background: linear-gradient(125deg,#12363d,#185965); }
.page-hero,.answer-page-header { background: linear-gradient(125deg,#12363d,#195a65); }
.product-hero { background: linear-gradient(145deg,#f3fafb,#e8f4f5); }
.product-detail-image,.gallery-thumb { border-color: #d4e4e6; }
.fact-panel { background: linear-gradient(145deg,#12363d,#1c5660); }
.site-footer { background: #102e34; }
.product-solution-link { background: #edf7f8; }

/* Commercial pages: borrow the performance-oriented red and black language. */
.theme-commercial {
  --red: #d71920;
  --red-dark: #ad1319;
  --ink: #17191d;
  --muted: #646b73;
  --line: #dfe2e5;
  --soft: #f3f4f4;
  --dark: #15181c;
  --shadow: 0 18px 42px rgba(15,18,22,.11);
}
.theme-commercial .page-hero,.theme-commercial .answer-page-header { background: linear-gradient(115deg,#0d0f12 0%,#20242a 78%,#421317 100%); border-bottom: 4px solid var(--commercial); }
.theme-commercial .product-hero { background: linear-gradient(135deg,#eceff1,#f7f7f6); border-top: 4px solid var(--commercial); }
.theme-commercial .product-card-media { background: linear-gradient(145deg,#eceff1,#f8f8f7); }
.theme-commercial .fact-panel { background: linear-gradient(145deg,#111419,#272c32); border-top: 4px solid var(--commercial); }
.theme-commercial .answer-band { background: linear-gradient(115deg,#111419,#2a2f35); }
.theme-commercial .product-solution-link { background: #f3f1f0; border-left: 4px solid var(--commercial); }

/* Car-care pages: restrained warm materials for wash and detailing products. */
.theme-care {
  --red: #b76b31;
  --red-dark: #8f4f25;
  --ink: #29332f;
  --muted: #706e68;
  --line: #e1d7ca;
  --soft: #f5efe7;
  --dark: #20322c;
  --shadow: 0 18px 42px rgba(67,51,37,.09);
}
.theme-care { background: #fcfaf6; }
.theme-care .page-hero { background: linear-gradient(120deg,#20322c,#40544b); border-bottom: 4px solid var(--care); }
.theme-care .product-hero { background: linear-gradient(145deg,#fbf7f1,#eee3d5); }
.theme-care .product-card-media { background: linear-gradient(145deg,#fbf8f3,#eee5d9); }
.theme-care .fact-panel { background: linear-gradient(145deg,#20322c,#3d5148); }
.theme-care .section-tinted { background: var(--care-soft); }
.theme-care .product-solution-link { background: var(--care-soft); }

@media (max-width: 820px) {
  .header-inner { min-height: 68px; }
  .hero::after { background: linear-gradient(90deg,rgba(242,251,252,.94),rgba(230,247,249,.56)); }
}

@media (max-width: 560px) {
  .hero { min-height: 610px; color: #fff; background: #12363d; }
  .hero::after { background: linear-gradient(180deg,rgba(10,32,37,.20) 0%,rgba(10,32,37,.72) 58%,rgba(10,32,37,.96) 100%); }
  .hero-slide img { object-position: center center; }
  .hero .eyebrow { color: #75dde3; }
  .hero-lead,.hero-stats dd { color: rgba(255,255,255,.76); }
  .button-ghost { color: #fff; background: rgba(12,43,49,.42); border-color: rgba(255,255,255,.58); }
}


/* Consumer-friendly type scale and balanced homepage scenario cards */
body { font-size: 16px; line-height: 1.72; }
.brand strong { font-size: 16px; }
.brand small { font-size: 12px; }
.site-nav a { font-size: 14px; }
.button { font-size: 15px; }
.button-small { font-size: 13px; }
.eyebrow { font-size: 13px; letter-spacing: .12em; }
.hero h1 { font-size: clamp(42px, 5vw, 62px); letter-spacing: -.035em; }
.page-hero h1 { font-size: clamp(38px, 4.5vw, 54px); letter-spacing: -.03em; }
.product-intro h1 { font-size: clamp(36px, 4.3vw, 52px); letter-spacing: -.025em; }
.hero-lead,.page-hero p { font-size: 17px; }
.hero-stats dt { font-size: 28px; }
.hero-stats dd { font-size: 13px; }
.section-heading h2,.two-column h2,.answer-band h2 { font-size: clamp(28px, 3.2vw, 40px); letter-spacing: -.025em; }
.section-heading p:last-child,.two-column .lead,.content-callout p { font-size: 15px; }
.category-card h3 { font-size: 25px; }
.category-card p { font-size: 15px; }
.category-card strong { font-size: 14px; }
.product-card h3 { font-size: 20px; }
.product-card-body > p:not(.product-id) { font-size: 14px; }
.product-id { font-size: 12px; }
.badges span { font-size: 12px; }
.fact-list li { font-size: 13px; }
.text-link { font-size: 14px; }
.scenario-grid h3,.trust-grid h3,.content-card h2 { margin-top: 34px; font-size: 22px; }
.scenario-grid p,.trust-grid p,.content-card p { font-size: 15px; }
.answer-band p:last-child { font-size: 15px; }
.footer-grid h2 { font-size: 15px; }
.footer-grid a,.footer-brand p { font-size: 13px; }
.footer-meta { font-size: 12px; }
.gallery-thumb span,.product-visual > p { font-size: 12px; }
.product-intro .lead { font-size: 16px; }
.fact-panel span,.download-card span,.support-contacts span { font-size: 12px; }
.faq-card-meta,.answer-meta span { font-size: 12px; }

.scenario-grid a[data-theme="commercial"] {
  color: var(--ink);
  background: linear-gradient(145deg,#ffffff,#fff5f5);
  border-color: #edc9cb;
  border-top: 3px solid var(--commercial);
  box-shadow: 0 12px 30px rgba(18,54,61,.045);
}
.scenario-grid a[data-theme="commercial"] b { color: var(--commercial); }
.scenario-grid a[data-theme="commercial"] p { color: var(--muted); }

@media (max-width: 820px) {
  .site-nav a { font-size: 14px; }
  .hero h1 { font-size: clamp(39px, 7vw, 52px); }
  .page-hero h1 { font-size: clamp(36px, 6vw, 48px); }
  .product-intro h1 { font-size: clamp(34px, 6vw, 46px); }
}

@media (max-width: 560px) {
  body { font-size: 15px; line-height: 1.68; }
  .product-card-picture .product-card-image { padding: 0; }
  .hero h1 { font-size: 38px; line-height: 1.12; }
  .page-hero h1,.product-intro h1 { font-size: 35px; line-height: 1.15; }
  .hero-lead,.page-hero p { font-size: 15px; }
  .section-heading h2,.two-column h2,.answer-band h2 { font-size: 29px; line-height: 1.22; }
  .category-card h3 { font-size: 23px; }
  .scenario-grid h3,.trust-grid h3,.content-card h2 { font-size: 21px; }
  .eyebrow { font-size: 12px; }
}