.immersive-product-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(360px, 0.82fr) minmax(420px, 1.18fr);
  align-items: center;
  width: 100vw;
  min-height: calc(100vh - 78px);
  overflow: hidden;
  margin-left: calc(50% - 50vw);
  padding: 84px max(32px, calc((100vw - 1280px) / 2)) 72px;
  background:
    linear-gradient(90deg, rgba(5, 6, 7, 0.88) 0%, rgba(5, 6, 7, 0.62) 42%, rgba(5, 6, 7, 0.2) 72%),
    var(--home-hero-bg, none)
    linear-gradient(135deg, #050607 0%, #11161a 42%, #20252a 100%);
  background-position: center;
  background-size: cover;
  color: #fff;
  cursor: pointer;
  isolation: isolate;
}

.immersive-product-hero::before {
  position: absolute;
  inset: 0;
  z-index: -2;
  background: none;
  content: "";
  opacity: 0;
}

.immersive-product-hero::after {
  position: absolute;
  inset: -22% -32%;
  z-index: -1;
  background: none;
  content: "";
  animation: none;
}

body.home-page .immersive-product-hero {
  background: transparent;
}

body.home-page .immersive-product-hero::before,
body.home-page .immersive-product-hero::after {
  display: none;
}

.immersive-product-bg span {
  position: absolute;
  border: 1px solid rgba(215, 222, 227, 0.14);
  border-radius: 999px;
  pointer-events: none;
}

.immersive-product-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.immersive-product-bg span:nth-child(1) {
  right: 9%;
  bottom: 10%;
  width: 560px;
  height: 560px;
  animation: none;
  opacity: 0;
}

.immersive-product-bg span:nth-child(2) {
  right: -120px;
  top: 10%;
  width: 360px;
  height: 360px;
  border-color: rgba(78, 143, 184, 0.2);
}

.immersive-product-bg span:nth-child(3) {
  left: 48%;
  bottom: -180px;
  width: 480px;
  height: 480px;
  border-color: rgba(216, 163, 74, 0.16);
}

.immersive-product-copy {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-rows: 26px minmax(170px, auto) 72px 86px 48px;
  row-gap: 14px;
  max-width: 720px;
  min-height: 472px;
  text-align: left;
  animation: heroCopyIn 760ms ease both;
}

.immersive-product-copy .eyebrow {
  align-self: start;
  margin: 0;
  color: #9bd8ff;
}

.immersive-product-copy h1 {
  align-self: start;
  display: block;
  overflow: hidden;
  width: 100%;
  max-width: 760px;
  max-height: none;
  margin: 0;
  color: #fff;
  font-size: clamp(32px, 4.2vw, 68px);
  line-height: 1.04;
  text-align: center;
  text-wrap: balance;
  white-space: pre-line;
}

.immersive-product-copy h1 span {
  display: block;
  white-space: nowrap;
}

.immersive-product-copy p:not(.eyebrow) {
  align-self: start;
  display: -webkit-box;
  overflow: hidden;
  max-width: 680px;
  margin: 0;
  color: rgba(235, 241, 245, 0.78);
  font-size: 19px;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.immersive-product-hero.is-slide-changing .immersive-product-copy h1,
.immersive-product-hero.is-slide-changing .immersive-product-copy p:not(.eyebrow),
.immersive-product-hero.is-slide-changing .immersive-product-meta {
  animation: heroTextFade 520ms ease both;
}

.immersive-product-meta {
  align-self: start;
  display: flex;
  flex-wrap: wrap;
  align-content: start;
  gap: 10px;
  margin: 0;
  overflow: hidden;
}

.immersive-product-meta span {
  min-height: 34px;
  border: 1px solid rgba(215, 222, 227, 0.22);
  border-radius: 999px;
  padding: 6px 13px;
  background: rgba(255, 255, 255, 0.10);
  color: rgba(246, 249, 250, 0.84);
  font-size: 13px;
  font-weight: 700;
  backdrop-filter: blur(14px);
}

.immersive-product-actions {
  align-self: end;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

.immersive-product-actions .button {
  min-width: 122px;
}

.hero-rotator-dots {
  position: absolute;
  left: max(24px, calc((100vw - 1280px) / 2));
  bottom: 34px;
  z-index: 4;
  display: flex;
  gap: 8px;
}

.hero-rotator-dots button {
  width: 32px;
  height: 4px;
  border: 0;
  border-radius: 999px;
  padding: 0;
  background: rgba(255, 255, 255, 0.22);
  cursor: pointer;
  transition:
    width 180ms ease
    background 180ms ease;
}

.hero-rotator-dots button.is-active {
  width: 58px;
  background: var(--geshem-green);
}

.immersive-product-hero .button-primary {
  /* 主 CTA：联系工程师 — 实心品牌绿 */
  background: var(--geshem-green);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 4px 18px rgba(0, 144, 64, 0.30);
}

.immersive-product-hero .button-primary:hover {
  background: var(--geshem-green-dark);
  box-shadow: 0 6px 24px rgba(0, 144, 64, 0.45);
  transform: translateY(-2px);
}

.immersive-product-hero .button-secondary {
  /* 次级按钮：边框样式，低调 */
  min-height: 44px;
  border-color: rgba(215, 222, 227, 0.36);
  background: rgba(255, 255, 255, 0.10);
  color: rgba(246, 249, 250, 0.82);
  backdrop-filter: blur(14px);
}

.immersive-product-hero .button-secondary:hover {
  border-color: rgba(215, 222, 227, 0.6);
  color: #fff;
}

.immersive-product-hero .button-ai {
  /* AI选型：第三优先级，绿色边框点缀 */
  min-height: 40px;
  border-color: rgba(0, 176, 95, 0.45);
  background: rgba(0, 144, 64, 0.06);
  color: rgba(36, 222, 134, 0.9);
  font-size: 14px;
}

.immersive-product-hero .button-ai::before {
  background: #24de86;
  box-shadow: 0 0 0 4px rgba(0, 176, 95, 0.1);
  /* animation: aiSignalPulse — removed, industrial buyers read infinite pulse as noise */
}

.immersive-product-hero .button-ai:hover {
  border-color: rgba(36, 222, 134, 0.72);
  background: rgba(0, 144, 64, 0.12);
  color: #24de86;
}

@keyframes aiSignalPulse {
  0%,
  100% {
    opacity: 0.72;
    transform: scale(0.92);
  }

  50% {
    opacity: 1;
    transform: scale(1.12);
  }
}

.immersive-product-media {
  position: relative;
  z-index: 2;
  min-height: 560px;
  /* animation: heroProductFloat — removed, static product image is more credible */
}

.immersive-product-media::before {
  position: absolute;
  right: 10%;
  bottom: 6%;
  left: 10%;
  height: 26%;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(0, 0, 0, 0.58), transparent 68%);
  content: "";
  filter: blur(16px);
  transform: perspective(620px) rotateX(62deg);
}

.immersive-product-media img {
  position: absolute;
  right: -2%;
  bottom: 4%;
  width: min(790px, 100%);
  max-height: 86%;
  object-fit: contain;
  filter:
    drop-shadow(0 38px 48px rgba(0, 0, 0, 0.44))
    drop-shadow(0 0 24px rgba(78, 143, 184, 0.22));
  transform-origin: 55% 58%;
  /* animation: heroProductZoom — removed */
}

.product-showcase {
  width: 100vw;
  margin: 0 0 0 calc(50% - 50vw);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.product-finder {
  scroll-margin-top: 96px;
  width: 100%;
  border-top: 0;
  border-bottom: 0;
  padding: 54px max(24px, calc((100vw - 1280px) / 2)) 62px;
  background: #000;
  color: #f7fafb;
}

.product-finder-toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.product-finder-toolbar h3 {
  margin: 0;
  color: #fff;
  font-size: clamp(28px, 3vw, 46px);
  line-height: 1.08;
}

.product-finder-toolbar a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border: 1px solid rgba(215, 222, 227, 0.24);
  border-radius: 8px;
  padding: 0 14px;
  color: rgba(247, 250, 251, 0.8);
  font-size: 14px;
  font-weight: 700;
}

.product-family-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 26px;
}

.product-family-tabs a,
.product-family-tabs button,
.finder-filter-options button {
  min-height: 44px;
  border: 1px solid rgba(247, 250, 251, 0.42);
  border-radius: 999px;
  padding: 0 20px;
  background: transparent;
  color: rgba(247, 250, 251, 0.62);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  transition:
    background 160ms ease,
    border-color 160ms ease
    color 160ms ease;
}

.product-family-tabs a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.product-family-tabs a:hover,
.product-family-tabs a:focus-visible,
.product-family-tabs button.is-active,
.product-family-tabs button:hover,
.finder-filter-options button.is-active,
.finder-filter-options button:hover {
  border-color: #fff;
  background: #fff;
  color: #101214;
}

.product-finder-filters {
  display: grid;
  gap: 14px;
  border-top: 1px solid rgba(215, 222, 227, 0.08);
  padding: 20px 0;
}

.product-finder-filters > p {
  margin: 0;
  color: rgba(247, 250, 251, 0.55);
}

.finder-filter-group {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.finder-filter-group strong {
  padding-top: 9px;
  color: rgba(247, 250, 251, 0.72);
  font-size: 14px;
}

.finder-filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.finder-filter-options button {
  min-height: 34px;
  padding: 0 13px;
  border-color: rgba(247, 250, 251, 0.18);
  color: rgba(247, 250, 251, 0.64);
  font-size: 13px;
}

.product-finder-status {
  border-top: 1px solid rgba(215, 222, 227, 0.08);
  padding: 18px 0 22px;
  color: rgba(247, 250, 251, 0.56);
  font-size: 14px;
  font-weight: 700;
}

.product-finder-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.finder-product-card {
  position: relative;
  display: grid;
  min-height: 560px;
  border: 1px solid rgba(215, 222, 227, 0.08);
  border-radius: 8px;
  padding: 28px;
  background: #080a0a;
  overflow: hidden;
  transition:
    border-color 180ms ease
    box-shadow 180ms ease;
}

.finder-product-card::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: transparent;
  content: "";
  transition: background 180ms ease;
}

.finder-product-card:hover {
  border-color: rgba(0, 176, 95, 0.72);
  box-shadow: none;
}

.finder-product-card:hover::before {
  background: transparent;
}

.finder-product-card > span {
  position: relative;
  z-index: 1;
  color: rgba(247, 250, 251, 0.54);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 13px;
  font-weight: 700;
}

.finder-product-card > span::first-letter {
  color: var(--geshem-green);
}

.finder-product-card img {
  width: 100%;
  height: 220px;
  margin: 28px 0 26px;
  object-fit: contain;
}

.finder-product-card h3 {
  margin: 0 0 8px;
  color: #fff;
  font-size: 30px;
  line-height: 1.08;
  letter-spacing: -0.01em;
}

.finder-product-card p {
  margin: 0 0 22px;
  color: rgba(247, 250, 251, 0.72);
}

.finder-category-card {
  min-height: 470px;
  color: inherit;
}

.finder-product-card dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0 0 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(215, 222, 227, 0.08);
}

.finder-product-card dt {
  margin-bottom: 4px;
  color: rgba(247, 250, 251, 0.48);
  font-size: 13px;
  font-weight: 700;
}

.finder-product-card dd {
  margin: 0;
  color: rgba(247, 250, 251, 0.86);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
}

.finder-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px solid rgba(215, 222, 227, 0.08);
}

.finder-card-actions a {
  color: rgba(247, 250, 251, 0.62);
  font-size: 14px;
  font-weight: 700;
}

.finder-card-actions a:first-child {
  color: var(--geshem-green);
}

.finder-empty-state {
  grid-column: 1 / -1;
  margin: 0;
  border: 1px solid rgba(215, 222, 227, 0.08);
  border-radius: 8px;
  padding: 24px;
  color: rgba(247, 250, 251, 0.66);
  background: #101314;
}

.product-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  background: #090b0d;
}

.product-banner {
  position: relative;
  display: grid;
  min-height: 560px;
  overflow: hidden;
  border: 0;
  border-top: 1px solid rgba(215, 222, 227, 0.16);
  border-radius: 0;
  padding: 76px max(32px, calc((100vw - 1280px) / 2));
  background:
    linear-gradient(135deg, #050607 0%, #101417 48%, #171d20 100%);
  color: #fff;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease
    transform 180ms ease;
}

.product-banner:nth-child(2),
.product-banner:nth-child(5) {
  background:
    linear-gradient(135deg, #101113 0%, #151719 48%, #0b0c0e 100%);
}

.product-banner:nth-child(3),
.product-banner:nth-child(6) {
  background:
    linear-gradient(135deg, #151619 0%, #0f1114 48%, #08090b 100%);
}

.product-banner[data-banner-href] {
  cursor: pointer;
}

.product-banner[data-banner-href]:focus-visible {
  border-color: var(--geshem-green);
  box-shadow:
    0 0 0 4px rgba(0, 144, 64, 0.14),
    0 18px 52px rgba(10, 18, 15, 0.08);
  outline: none;
}

.product-banner-large {
  min-height: 620px;
}

.product-banner-copy {
  position: relative;
  z-index: 2;
  max-width: 560px;
  align-self: start;
}

.product-banner-copy span {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: rgba(246, 249, 250, 0.58);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.product-banner-copy span b {
  color: var(--geshem-green);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 14px;
}

.product-banner-copy span::after {
  width: 32px;
  height: 1px;
  background: rgba(0, 144, 64, 0.45);
  content: "";
}

.product-banner-copy::after {
  display: block;
  width: 78px;
  height: 3px;
  margin-top: 24px;
  background: var(--geshem-green);
  content: "";
}

.product-banner p,
.solution-list p {
  margin-bottom: 0;
  color: var(--muted);
}

.product-banner p {
  color: rgba(235, 241, 245, 0.74);
}

.product-banner h3 {
  color: #fff;
  font-size: clamp(38px, 4.9vw, 68px);
  line-height: 1.04;
}

.product-banner-copy em {
  display: block;
  margin: -4px 0 18px;
  color: rgba(235, 241, 245, 0.46);
  font-style: normal;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.product-banner-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.product-banner-tags small {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid rgba(215, 222, 227, 0.12);
  border-radius: 8px;
  padding: 0 10px;
  background: rgba(255, 255, 255, 0.035);
  color: rgba(235, 241, 245, 0.62);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.product-banner:hover {
  background:
    linear-gradient(135deg, #050607 0%, #12181b 48%, #1d2528 100%);
  border-color: transparent;
  box-shadow: none;
  transform: none;
}

.mini-ai-button {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  margin-top: 22px;
  border: 1px solid rgba(0, 144, 64, 0.24);
  border-radius: 999px;
  padding: 0 13px;
  background: var(--geshem-green-soft);
  color: var(--geshem-green-dark);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  transition:
    background 180ms ease,
    color 180ms ease
    transform 180ms ease;
}

.mini-ai-button::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 7px;
  background: var(--geshem-green);
  content: "";
}

.mini-ai-button:hover {
  background: var(--geshem-green);
  color: #fff;
  transform: translateY(-1px);
}

.mini-ai-button:hover::before {
  background: #fff;
}

.product-banner-actions {
  position: absolute;
  right: max(32px, calc((100vw - 1280px) / 2));
  bottom: 56px;
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.product-banner-alt .product-banner-copy {
  justify-self: end;
  max-width: 590px;
}

.product-banner-alt .product-image-wrap {
  right: auto;
  left: max(32px, calc((100vw - 1280px) / 2));
}

.product-banner-alt .product-banner-actions {
  right: max(32px, calc((100vw - 1280px) / 2));
  left: auto;
}

.banner-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid rgba(215, 222, 227, 0.24);
  border-radius: 999px;
  padding: 0 15px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  backdrop-filter: blur(12px);
  transition:
    background 180ms ease,
    border-color 180ms ease,
    color 180ms ease
    transform 180ms ease;
}

.banner-action:hover {
  border-color: rgba(142, 224, 173, 0.48);
  color: #fff;
  transform: translateY(-1px);
}

.banner-action-primary {
  border-color: var(--geshem-green);
  background: var(--geshem-green);
  color: #fff;
}

.banner-action-primary:hover {
  background: var(--geshem-green-dark);
  color: #fff;
}

.product-image-wrap {
  position: absolute;
  right: max(32px, calc((100vw - 1280px) / 2));
  bottom: 96px;
  z-index: 1;
  width: min(48vw, 640px);
  height: 62%;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(215, 222, 227, 0.1);
  border-radius: 12px;
  padding: 28px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015))
    #111417;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 28px 80px rgba(0, 0, 0, 0.24);
  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    transform 220ms ease
    filter 220ms ease;
}

.product-banner-large .product-image-wrap {
  right: max(32px, calc((100vw - 1280px) / 2));
  bottom: 104px;
  width: min(52vw, 720px);
  height: 66%;
}

.product-image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: transparent;
}

.product-banner:hover .product-image-wrap {
  border-color: rgba(142, 224, 173, 0.34);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 0 0 1px rgba(78, 143, 184, 0.14),
    0 0 34px rgba(78, 143, 184, 0.2),
    0 28px 86px rgba(0, 0, 0, 0.3);
  transform: translateY(-5px) scale(1.018);
}

  58% {
    opacity: 0.7;
  }
  100% {
    transform: translateX(42%) rotate(8deg);
    opacity: 0;
  }
}

@keyframes heroProductFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -14px, 0);
  }
}

@keyframes heroProductZoom {
  0%,
  100% {
    transform: scale(1) translateX(0);
  }
  50% {
    transform: scale(1.045) translateX(-10px);
  }
}

@keyframes heroCopyIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroTextFade {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

  18%,
  72% {
    opacity: 0.78;
  }

  100% {
    opacity: 0;
    transform: translateX(110%);
  }
}

  23% {
    top: 0;
    left: calc(100% - 84px);
    opacity: 1;
  }

  24%,
  49% {
    top: 0;
    left: calc(100% - 84px);
    opacity: 0;
  }

  50% {
    top: calc(100% - 1px);
    left: calc(100% - 84px);
    opacity: 1;
  }

  73% {
    top: calc(100% - 1px);
    left: 8px;
    opacity: 1;
  }

  74%,
  100% {
    top: calc(100% - 1px);
    left: 8px;
    opacity: 0;
  }
}

  25% {
    top: 8px;
    left: calc(100% - 1px);
    opacity: 1;
  }

  48% {
    top: calc(100% - 84px);
    left: calc(100% - 1px);
    opacity: 1;
  }

  49%,
  74% {
    top: calc(100% - 84px);
    left: calc(100% - 1px);
    opacity: 0;
  }

  75% {
    top: calc(100% - 84px);
    left: 0;
    opacity: 1;
  }

  98% {
    top: 8px;
    left: 0;
    opacity: 1;
  }

  99%,
  100% {
    top: 8px;
    left: 0;
    opacity: 0;
  }
}

  to {
    transform: rotate(360deg) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .immersive-product-hero::after,
  .immersive-product-copy,
  .immersive-product-media,
  .immersive-product-media img,
  .immersive-product-bg span:nth-child(1) {
    animation: none;
  }
}

.feature-band {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 40px;
  width: 100%;
  padding: 96px max(20px, calc((100vw - var(--max-width)) / 2));
  background: #111513;
  color: #fff;
}

.feature-band h2,
.feature-band .eyebrow {
  color: #fff;
}

.feature-band .eyebrow {
  color: #8ee0ad;
}

.feature-copy p {
  color: #c9d2ce;
}

/* ===== Trust proof strip ===== */
.trust-section {
  width: 100%;
  padding: 40px max(20px, calc((100vw - var(--max-width)) / 2));
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.035), transparent 34%),
    #050707;
}

.trust-inner {
  display: grid;
  grid-template-columns: minmax(260px, 0.3fr) minmax(0, 0.7fr);
  gap: 44px;
  align-items: center;
}

.trust-copy h2 {
  margin: 0;
  color: #fff;
  font-size: 24px;
  line-height: 1.25;
}

.trust-copy p:not(.eyebrow) {
  margin: 10px 0 0;
  max-width: 360px;
  color: rgba(235, 241, 245, 0.66);
  font-size: 13px;
  line-height: 1.7;
}

.trust-cert-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.trust-cert-list span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border: 1px solid rgba(168, 168, 168, 0.2);
  border-radius: 999px;
  padding: 0 10px;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(215, 222, 227, 0.72);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.trust-logo-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}

.trust-logo-grid img {
  display: block;
  box-sizing: border-box;
  width: 100%;
  height: auto;
  aspect-ratio: 18 / 7;
  margin: 0;
  border: 1px solid #d8ddda;
  border-radius: 2px;
  padding: 0;
  background: #e9ece9;
  object-fit: contain;
  object-position: center;
  filter: none;
  transition:
    border-color 180ms ease,
    background-color 180ms ease,
    filter 180ms ease;
}

.trust-logo-grid img:hover {
  border-color: #c3c9c5;
  background: #f0f2f0;
  filter: none;
}

.certificate-section { background: #070909; border-top: 1px solid rgba(255,255,255,.07); }
.company-certificate-section { background: #040606; }
.certificate-heading { max-width: 760px; }
.certificate-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; margin-top: 36px; }
.certificate-card { display: grid; grid-template-rows: auto auto auto auto; gap: 0; overflow: hidden; border: 1px solid rgba(215,222,227,.08); padding: 0; background: #0a0d0d; color: #edf2f4; text-decoration: none; transition: background 180ms ease, border-color 180ms ease; }
.certificate-card:hover, .certificate-card:focus-visible { border-color: rgba(36,222,134,.28); background: #0e1211; }
.certificate-card img { display: block; width: 100%; height: auto; margin: 0; border: 0; padding: 0; object-fit: contain; background: transparent; filter: grayscale(.12) brightness(.82) contrast(.92); transition: filter 180ms ease; }
.certificate-card:hover img, .certificate-card:focus-visible img { background: transparent; filter: grayscale(0) brightness(.98) contrast(.98); }
.certificate-card span { margin: 0; padding: 14px 14px 0; color: var(--geshem-green); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.certificate-card strong { padding: 6px 14px 0; font-size: 17px; line-height: 1.35; }
.certificate-card small { padding: 4px 14px 14px; color: rgba(235,241,245,.58); line-height: 1.5; }
.certificate-grid-company { grid-template-columns: repeat(4,minmax(0,1fr)); align-items: start; }
.certificate-grid-company .certificate-card { width: 100%; grid-template-rows: none; gap: 0; background: transparent; }
.certificate-grid-company .certificate-card:hover,
.certificate-grid-company .certificate-card:focus-visible { background: transparent; }
.certificate-grid-company > .certificate-card { aspect-ratio: 720 / 1018; display: block; min-height: 0; }
.certificate-grid-company > .certificate-card img { width: 100%; height: 100%; object-fit: contain; }
.certificate-grid-company .certificate-card-stack { display: grid; grid-template-rows: repeat(2,minmax(0,1fr)); row-gap: 12px; aspect-ratio: 720 / 1018; min-width: 0; min-height: 0; overflow: hidden; }
.certificate-grid-company .certificate-card-stack a { display: block; min-height: 0; overflow: hidden; line-height: 0; }
.certificate-grid-company .certificate-card-stack a + a { border-top: 0; }
.certificate-grid-company .certificate-card-stack img { width: 100%; height: 100%; object-fit: cover; }
.capability-grid div { align-content: start; min-height: 150px; }
.capability-grid strong { font-size: 18px; }
.capability-grid span { line-height: 1.65; }
@media (max-width: 1024px) {
  .certificate-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .certificate-grid-company { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 560px) { .certificate-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; } .certificate-card strong { font-size: 14px; } .certificate-card small { font-size: 11px; } }
@media (max-width: 560px) { .certificate-grid-company .certificate-card-stack { grid-template-rows: repeat(2,minmax(0,1fr)); row-gap: 8px; } }

@media (max-width: 1080px) {
  .trust-logo-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .trust-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .trust-copy {
    display: grid;
    grid-template-columns: minmax(180px, 0.34fr) minmax(0, 0.66fr);
    gap: 20px;
    align-items: end;
  }

  .trust-copy p:not(.eyebrow) {
    max-width: none;
  }

  .trust-cert-list {
    grid-column: 1 / -1;
    margin-top: 4px;
  }
}

@media (max-width: 680px) {
  .trust-section {
    padding-top: 30px;
    padding-bottom: 30px;
  }

  .trust-copy {
    display: block;
  }

  .trust-copy h2 {
    font-size: 20px;
  }

  .trust-cert-list {
    gap: 6px;
  }

  .trust-logo-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .trust-logo-grid img {
    height: auto;
    padding: 0;
  }
}


.spec-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.spec-list div,
.about-metrics div {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 28px 24px;
  background: rgba(255, 255, 255, 0.04);
  transition: border-color 200ms ease, background 200ms ease;
}

.spec-list div:hover {
  border-color: rgba(0, 144, 64, 0.4);
  background: rgba(0, 144, 64, 0.06);
}

.spec-list strong,
.about-metrics strong {
  display: block;
  margin-bottom: 8px;
  font-size: 32px;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
}

.spec-list strong {
  color: var(--geshem-green);
}

.spec-list span,
.about-metrics span {
  color: #c9d2ce;
}

.solution-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.solution-list article {
  min-height: 184px;
  border: 1px solid var(--line-gray);
  border-left: 3px solid var(--geshem-green);
  border-radius: 8px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.58);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.solution-list article:hover {
  border-left-color: var(--geshem-green-dark);
  box-shadow: 0 8px 28px rgba(0, 144, 64, 0.1);
  transform: translateY(-2px);
}

/* Rainbow left-borders removed — unified to single brand green via base rule above.
   All cards now use var(--geshem-green) / var(--geshem-green-dark) on hover. */

.solution-list .text-link {
  display: inline-flex;
  margin-top: 18px;
}

/* 解决方案场景图标 */
.solution-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 14px;
  border-radius: 12px;
  background: rgba(0, 144, 64, 0.08);
  color: var(--geshem-green);
}

.solution-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
}

/* 表单提交感谢状态 */
.contact-form-thanks {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 320px;
  border: 1px solid rgba(0, 144, 64, 0.2);
  border-radius: 12px;
  padding: 40px 30px;
  background: rgba(0, 144, 64, 0.04);
  text-align: center;
}

.contact-form-thanks.is-visible {
  display: flex;
}

.contact-thanks-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--geshem-green);
  color: #fff;
  font-size: 26px;
  font-weight: 700;
}

.contact-form-thanks h3 {
  margin: 0;
  color: var(--deep-black);
  font-size: 24px;
}

.contact-form-thanks p {
  margin: 0;
  max-width: 380px;
  color: var(--muted);
}

/* 移动端汉堡菜单 × 切换 */
.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-toggle span {
  transition: transform 200ms ease;
}

/* 表单必填/选填标记 */
.required-mark {
  display: inline-block;
  margin-left: 4px;
  color: var(--signal-amber);
  font-weight: 700;
}

.optional-mark {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.10);
  color: rgba(246, 249, 250, 0.5);
  font-size: 11px;
  font-weight: 700;
}

.articles-section {
  border-top: 1px solid var(--line-gray);
}

.article-preview-grid,
.article-list,
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.article-preview-grid article,
.article-list article,
.resource-grid article {
  border: 1px solid var(--line-gray);
  border-radius: 12px;
  padding: 24px;
  background: #fff;
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.article-preview-grid article:hover,
.article-list article:hover {
  border-color: rgba(0, 144, 64, 0.3);
  box-shadow: 0 6px 24px rgba(0, 144, 64, 0.08);
  transform: translateY(-2px);
}

.article-preview-grid span,
.article-list span,
.resource-grid span {
  display: block;
  margin-bottom: 12px;
  color: var(--geshem-green-dark);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.article-preview-grid p,
.article-list p,
.resource-grid p {
  color: var(--muted);
}

.article-preview-grid a:hover,
.article-list a:hover {
  color: var(--geshem-green-dark);
}