:root {
  --detail-ink: #073c42;
  --detail-muted: #657275;
  --detail-line: #d9e2e3;
  --detail-soft: #f5f8f8;
  --detail-blue: #178797;
}

.detail-category,
.section-heading > p,
.workflow-copy > p,
.highlight-copy > p,
.spec-intro > p,
.integration-copy > p {
  margin: 0 0 18px;
  color: #6c8588;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
}

.detail-hero {
  min-height: 690px;
  display: grid;
  grid-template-columns: minmax(480px, .9fr) minmax(460px, 1.1fr);
  align-items: center;
  gap: clamp(54px, 8vw, 128px);
  padding-block: 76px 84px;
}
.detail-hero-copy { padding-left: clamp(0px, 2vw, 30px); }
.detail-hero-copy h1 {
  margin: 0;
  color: var(--detail-ink);
  font-size: clamp(52px, 5vw, 76px);
  font-weight: 650;
  letter-spacing: -.055em;
  line-height: 1.08;
}
.detail-hero-copy > p:not(.detail-category) {
  max-width: 600px;
  margin: 30px 0 0;
  color: var(--detail-muted);
  font-size: clamp(17px, 1.35vw, 20px);
  line-height: 1.85;
}
.detail-hero-media {
  position: relative;
  overflow: hidden;
  height: 560px;
  margin: 0;
  background: radial-gradient(circle at 50% 48%, #f2f7f7 0 32%, rgba(242,247,247,0) 67%);
}
.detail-hero-media img { position: absolute; right: 8%; bottom: 0; width: min(75%, 520px); max-width: none; height: auto; }
.detail-hero .hero-actions { display: flex; gap: 14px; margin-top: 34px; }

/* 灵控盒为竖向产品图：保留完整轮廓，并避免中等桌面宽度下标题产生孤行。 */
.product-embed-box .detail-hero-media img { right: 12%; width: min(70%, 485px); }
.product-embed-box .workflow-copy h2 { font-size: clamp(34px, 3.1vw, 48px); }
.product-embed-box .highlight-copy h2 { font-size: clamp(34px, 3vw, 46px); }
.product-embed-box .highlight-media img { right: 14%; width: min(70%, 430px); }

.detail-anchor-nav {
  position: sticky;
  top: var(--header-height);
  z-index: 20;
  border-block: 1px solid var(--detail-line);
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(18px);
}
.detail-anchor-nav .section-shell { display: flex; justify-content: center; gap: clamp(28px, 5vw, 78px); }
.detail-anchor-nav a { padding: 19px 0 17px; color: #59696b; font-size: 14px; font-weight: 600; }
.detail-anchor-nav a:hover, .detail-anchor-nav a:focus-visible { color: var(--detail-ink); }

.detail-section { padding-block: 118px 126px; }
.section-heading { max-width: 780px; margin-bottom: 66px; }
.section-heading h2,
.workflow-copy h2,
.highlight-copy h2,
.spec-intro h2,
.integration-copy h2 {
  margin: 0;
  color: var(--detail-ink);
  font-size: clamp(34px, 3.5vw, 52px);
  font-weight: 650;
  letter-spacing: -.045em;
  line-height: 1.17;
}
.section-heading > span,
.workflow-copy > span,
.spec-intro > span,
.integration-copy > span {
  display: block;
  max-width: 720px;
  margin-top: 22px;
  color: var(--detail-muted);
  font-size: 17px;
  line-height: 1.8;
}
.overview-columns { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--detail-line); }
.open-feature { min-height: 270px; padding: 42px clamp(24px, 3vw, 48px) 24px 0; }
.open-feature + .open-feature { padding-left: clamp(24px, 3vw, 48px); border-left: 1px solid var(--detail-line); }
.open-feature svg { width: 42px; height: 42px; fill: none; stroke: var(--detail-blue); stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.5; }
.open-feature h3 { margin: 34px 0 15px; color: var(--detail-ink); font-size: 24px; }
.open-feature p { max-width: 340px; margin: 0; color: var(--detail-muted); line-height: 1.8; }

.workflow-band { padding-block: 108px; background: var(--detail-ink); color: #fff; }
.workflow-grid { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(64px, 9vw, 140px); align-items: end; }
.workflow-copy > p { color: #94bec3; }
.workflow-copy h2 { color: #fff; }
.workflow-copy > span { color: #b8ccce; }
.workflow-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; margin: 0; padding: 0; list-style: none; }
.workflow-steps li { position: relative; display: grid; gap: 10px; min-height: 172px; padding: 28px 20px 18px; border-top: 1px solid rgba(255,255,255,.3); }
.workflow-steps li::after { content: "→"; position: absolute; top: 31px; right: -8px; color: #5baab4; }
.workflow-steps li:last-child::after { display: none; }
.workflow-steps b { color: #71c8d0; font-size: 12px; letter-spacing: .14em; }
.workflow-steps strong { align-self: end; font-size: 17px; }
.workflow-steps span { color: #9fb7b9; font-size: 13px; line-height: 1.6; }

.highlight-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(70px, 10vw, 160px); align-items: center; padding-block: 126px; }
.highlight-media { position: relative; min-height: 650px; overflow: hidden; background: var(--detail-soft); }
.highlight-media img { position: absolute; right: 10%; bottom: 0; width: min(76%, 470px); max-width: none; height: auto; }
.highlight-copy dl { margin: 46px 0 0; }
.highlight-copy dl div { display: grid; grid-template-columns: 160px 1fr; gap: 28px; align-items: baseline; padding: 22px 0; border-top: 1px solid var(--detail-line); }
.highlight-copy dt { color: var(--detail-blue); font-size: 24px; font-weight: 700; }
.highlight-copy dd { margin: 0; color: var(--detail-muted); line-height: 1.7; }

.scenario-section { padding-bottom: 128px; }
.scenario-rail { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--detail-line); }
.scenario-rail article { min-height: 280px; padding: 38px 48px; }
.scenario-rail article + article { border-left: 1px solid var(--detail-line); }
.scenario-rail span { color: #789294; font-size: 12px; font-weight: 700; letter-spacing: .15em; }
.scenario-rail h3 { margin: 80px 0 14px; color: var(--detail-ink); font-size: 27px; }
.scenario-rail p { margin: 0; color: var(--detail-muted); line-height: 1.75; }

.spec-section { padding-block: 116px; background: var(--detail-soft); }
.spec-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: clamp(70px, 10vw, 160px); }
.spec-table { margin: 0; }
.spec-table div { display: grid; grid-template-columns: 200px 1fr; gap: 30px; padding: 21px 0; border-top: 1px solid #ccd8d9; }
.spec-table div:last-child { border-bottom: 1px solid #ccd8d9; }
.spec-table dt { color: #738487; font-size: 14px; }
.spec-table dd { margin: 0; color: var(--detail-ink); font-weight: 600; }

.integration-section { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(70px, 10vw, 160px); align-items: center; padding-block: 126px; }
.integration-copy .button { margin-top: 32px; }
.integration-steps { display: grid; grid-template-columns: 1fr 1fr; margin: 0; padding: 0; border: 1px solid var(--detail-line); list-style: none; }
.integration-steps li { min-height: 165px; display: grid; align-content: space-between; padding: 30px; }
.integration-steps li:nth-child(2n) { border-left: 1px solid var(--detail-line); }
.integration-steps li:nth-child(n+3) { border-top: 1px solid var(--detail-line); }
.integration-steps b { color: #789294; font-size: 12px; letter-spacing: .14em; }
.integration-steps strong { color: var(--detail-ink); font-size: 21px; }

.related-products { padding-block: 16px 126px; }
.related-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.related-product { min-height: 430px; display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 30px; padding: 40px; border: 1px solid var(--detail-line); background: #fff; transition: border-color 180ms ease, transform 180ms ease; }
.related-product:hover { transform: translateY(-3px); border-color: #96b7ba; }
.related-product img { width: 100%; height: 330px; object-fit: contain; }
.related-product span { display: grid; gap: 26px; }
.related-product strong { color: var(--detail-ink); font-size: 25px; line-height: 1.35; }
.related-product small { color: var(--detail-blue); font-size: 14px; font-weight: 700; }

.detail-cta { display: flex; justify-content: space-between; align-items: center; gap: 50px; margin-bottom: 110px; padding: 52px 58px; border: 1px solid var(--detail-line); background: linear-gradient(105deg, #f9fbfb, #eef6f7); }
.detail-cta h2 { margin: 0; color: var(--detail-ink); font-size: clamp(28px, 2.5vw, 40px); }
.detail-cta p { max-width: 720px; margin: 14px 0 0; color: var(--detail-muted); }
.detail-cta > div:last-child { display: flex; flex-shrink: 0; gap: 12px; }

/* 与官网其余正式页面保持同一套浅色页脚。 */
.site-footer { padding: 0; color: var(--text); border-top: 1px solid var(--line); background: var(--surface); }
.site-footer .footer-grid { grid-template-columns: 1.6fr repeat(4, 1fr); gap: clamp(34px, 5vw, 76px); padding-block: 70px; }
.site-footer .footer-brand img { width: 190px; filter: none; }
.site-footer .footer-brand p { max-width: 330px; margin: 16px 0 0; color: var(--muted); font-size: 14px; }
.site-footer .footer-grid h2 { margin: 0 0 20px; color: var(--text); font-size: 14px; }
.site-footer .footer-grid a, .site-footer .footer-grid button { margin: 11px 0 0; color: var(--muted); font-size: 13px; }
.site-footer .footer-grid a:hover, .site-footer .footer-grid button:hover { color: var(--accent); }
.site-footer .footer-bottom { min-height: 76px; margin-top: 0; padding-top: 0; align-items: center; color: var(--muted); border-top: 1px solid var(--line); font-size: 12px; }
.site-footer .footer-bottom div { display: flex; flex-wrap: wrap; gap: 28px; }

@media (max-width: 980px) {
  .detail-hero { min-height: 600px; grid-template-columns: 1fr 1fr; gap: 30px; }
  .detail-hero-copy h1 { font-size: 52px; }
  .detail-hero-media { height: 480px; }
  .workflow-grid { grid-template-columns: 1fr; }
  .highlight-section { grid-template-columns: 1fr 1fr; gap: 42px; }
  .highlight-copy dl div { grid-template-columns: 125px 1fr; }
  .spec-grid { grid-template-columns: .75fr 1.25fr; gap: 50px; }
  .related-product { grid-template-columns: 1fr; text-align: center; }
  .related-product img { height: 250px; }
  .site-footer .footer-grid { grid-template-columns: 1.5fr repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .detail-hero { min-height: auto; grid-template-columns: 1fr; gap: 24px; padding-block: 58px 48px; }
  .detail-hero-copy { padding: 0; }
  .detail-hero-copy h1 { font-size: clamp(42px, 13vw, 58px); }
  .detail-hero-media { height: min(118vw, 520px); }
  .detail-anchor-nav { overflow-x: auto; }
  .detail-anchor-nav .section-shell { width: max-content; min-width: 100%; justify-content: flex-start; gap: 30px; padding-inline: 18px; }
  .detail-section { padding-block: 82px; }
  .section-heading { margin-bottom: 44px; }
  .overview-columns { grid-template-columns: 1fr; }
  .open-feature, .open-feature + .open-feature { min-height: auto; padding: 32px 0; border-left: 0; border-top: 1px solid var(--detail-line); }
  .workflow-band { padding-block: 78px; }
  .workflow-steps { grid-template-columns: 1fr; }
  .workflow-steps li { min-height: 100px; grid-template-columns: 48px 120px 1fr; align-items: center; border-top-color: rgba(255,255,255,.2); }
  .workflow-steps li::after { display: none; }
  .workflow-steps strong { align-self: center; }
  .highlight-section { grid-template-columns: 1fr; padding-block: 84px; }
  .highlight-media { min-height: 530px; }
  .highlight-media img { width: min(84%, 500px); height: auto; }
  .product-embed-box .detail-hero-media img,
  .product-embed-box .highlight-media img { right: 8%; width: min(84%, 500px); }
  .scenario-section { padding-bottom: 84px; }
  .scenario-rail { grid-template-columns: 1fr; }
  .scenario-rail article + article { border-left: 0; border-top: 1px solid var(--detail-line); }
  .scenario-rail h3 { margin-top: 42px; }
  .spec-section { padding-block: 82px; }
  .spec-grid, .integration-section { grid-template-columns: 1fr; gap: 54px; }
  .spec-table div { grid-template-columns: 130px 1fr; }
  .integration-section { padding-block: 84px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-products { padding-bottom: 84px; }
  .related-product { min-height: auto; grid-template-columns: .8fr 1.2fr; text-align: left; padding: 28px; }
  .detail-cta { align-items: flex-start; flex-direction: column; margin-bottom: 72px; padding: 36px 28px; }
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 38px 24px; }
  .site-footer .footer-brand { grid-column: 1 / -1; }
  .site-footer .footer-bottom { align-items: flex-start; padding-block: 24px; }
  .site-footer .footer-bottom div { display: grid; gap: 8px; }
}

@media (max-width: 520px) {
  .detail-category { margin-bottom: 12px; }
  .detail-hero .hero-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .detail-hero-media { height: 108vw; }
  .workflow-steps li { grid-template-columns: 38px 105px 1fr; padding-inline: 8px; }
  .highlight-copy dl div { grid-template-columns: 1fr; gap: 6px; }
  .highlight-media { min-height: 460px; }
  .highlight-media img { width: min(86%, 430px); height: auto; }
  .product-embed-box .detail-hero-media img,
  .product-embed-box .highlight-media img { right: 7%; width: min(86%, 430px); }
  .spec-table div { grid-template-columns: 1fr; gap: 8px; }
  .integration-steps { grid-template-columns: 1fr; }
  .integration-steps li:nth-child(2n) { border-left: 0; }
  .integration-steps li + li { border-top: 1px solid var(--detail-line); }
  .related-product { grid-template-columns: 1fr; text-align: center; }
  .related-product img { height: 230px; }
  .detail-cta > div:last-child { width: 100%; display: grid; grid-template-columns: 1fr; }
  .site-footer .footer-grid { grid-template-columns: 1fr; }
  .site-footer .footer-brand { grid-column: auto; }
}