/**
 * 前台 Bootstrap 叠层与动效（不隐藏正文，便于 SEO / AI 抓取）
 * Bootstrap 先加载，main.css 与本文后加载覆盖组件样式。
 */

.site-body {
  padding-top: 0;
}

/* —— 首页全屏轮播 Hero（顶至导航栏） —— */
.site-home-hero .site-main--home {
  padding-top: 0;
}

.site-home-hero .site-header--hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1040;
  background: linear-gradient(180deg, rgba(4, 22, 42, 0.55) 0%, rgba(4, 22, 42, 0.08) 70%, transparent 100%);
  border-bottom: 0;
  box-shadow: none;
}

.site-home-hero .site-header--hero-overlay.is-scrolled {
  position: fixed;
  background: rgba(6, 40, 68, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
}

.site-home-hero .site-header--hero-overlay .brand,
.site-home-hero .site-header--hero-overlay .brand-text strong {
  color: #fff;
}

.site-home-hero .site-header--hero-overlay .brand-text span {
  color: rgba(255, 255, 255, 0.78);
}

.site-home-hero .site-header--hero-overlay .site-nav .nav-link {
  color: rgba(255, 255, 255, 0.92);
}

.site-home-hero .site-header--hero-overlay .site-nav .nav-link:hover,
.site-home-hero .site-header--hero-overlay .site-nav .nav-link:focus,
.site-home-hero .site-header--hero-overlay .site-nav .nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.site-home-hero .site-header--hero-overlay .navbar-toggler {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

.site-home-hero .site-header--hero-overlay .navbar-toggler-icon {
  filter: invert(1);
}

.hero-banner {
  position: relative;
  width: 100%;
  min-height: clamp(520px, 88vh, 920px);
  margin: 0;
  overflow: hidden;
}

.hero-banner-carousel,
.hero-banner-carousel .carousel-inner,
.hero-banner-carousel .carousel-item {
  min-height: inherit;
  height: clamp(520px, 88vh, 920px);
}

.hero-banner-slide {
  width: 100%;
  height: 100%;
  background-color: #031224;
  background-image: var(--hero-bg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-banner-shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(3, 18, 36, 0.35) 0%, rgba(3, 18, 36, 0.15) 40%, rgba(3, 18, 36, 0.55) 100%),
    radial-gradient(ellipse 80% 60% at 50% 45%, rgba(0, 0, 0, 0.15), rgba(0, 0, 0, 0.45));
}

.hero-banner-copy {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  padding: calc(var(--header-h) + 1.5rem) 1rem 3rem;
  pointer-events: none;
}

.hero-banner-copy a,
.hero-banner-copy .btn {
  pointer-events: auto;
}

.hero-banner-eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: none;
  color: rgba(255, 255, 255, 0.82);
}

.hero-banner-title {
  margin: 0 0 0.85rem;
  font-size: clamp(1.85rem, 4.5vw, 3rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.hero-banner-sub {
  margin: 0 0 1.25rem;
  font-size: clamp(0.95rem, 2vw, 1.15rem);
  color: rgba(255, 255, 255, 0.92);
}

.hero-banner-box {
  border: 1px solid rgba(255, 255, 255, 0.65);
  padding: 0.85rem 1.1rem;
  max-width: min(920px, 100%);
  margin-bottom: 1.35rem;
  background: rgba(0, 0, 0, 0.12);
}

.hero-banner-tags {
  margin: 0 0 0.55rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 0.85rem;
  font-size: clamp(0.82rem, 1.6vw, 0.95rem);
  color: #7ee8ff;
}

.hero-banner-tags span::before {
  content: "▪ ";
  opacity: 0.85;
}

.hero-banner-lines {
  margin: 0;
  font-size: clamp(0.78rem, 1.5vw, 0.9rem);
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.6;
}

.hero-banner-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
}

.hero-banner-actions .btn-primary {
  background: linear-gradient(135deg, #1b8cff, #0a4a82);
  color: #fff;
  border: 0;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
}

.hero-banner-actions .btn-outline {
  border-color: rgba(255, 255, 255, 0.75);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.hero-banner-actions .home-services-index-link {
  padding: 0.15rem 0.5rem 0;
  font-size: 0.82rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.55);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-color: rgba(255, 255, 255, 0.35);
}

.hero-banner-actions .home-services-index-link:hover {
  color: rgba(255, 255, 255, 0.82);
  text-decoration-color: rgba(255, 255, 255, 0.55);
}

.hero-banner-control {
  z-index: 3;
  width: 8%;
  opacity: 0.75;
}

.hero-banner-indicators {
  z-index: 3;
  margin-bottom: 1.25rem;
}

@media (min-width: 992px) {
  .hero-banner-copy {
    padding: calc(var(--header-h) + 2rem) 1.5rem 3.5rem;
    gap: 0;
  }

  .hero-banner-eyebrow {
    margin-bottom: 1rem;
    font-size: 0.88rem;
    letter-spacing: 0.16em;
  }

  .hero-banner-title {
    margin-bottom: 1.1rem;
    font-size: clamp(2.15rem, 3.4vw, 3.35rem);
    line-height: 1.25;
    letter-spacing: 0.08em;
  }

  .hero-banner-sub {
    margin-bottom: 1.75rem;
    font-size: 1.18rem;
    line-height: 1.7;
    letter-spacing: 0.05em;
    word-spacing: 0.12em;
  }

  .hero-banner-box {
    padding: 1.2rem 2rem 1.35rem;
    max-width: min(980px, 100%);
    margin-bottom: 2rem;
  }

  .hero-banner-tags {
    margin-bottom: 0.95rem;
    gap: 0.55rem 1.35rem;
    font-size: 1rem;
    line-height: 1.75;
  }

  .hero-banner-lines {
    font-size: 0.98rem;
    line-height: 1.9;
    letter-spacing: 0.04em;
    word-spacing: 0.1em;
  }

  .hero-banner-actions {
    gap: 0.65rem;
    margin-top: 0.35rem;
  }

  .hero-banner-actions .btn {
    padding: 0.65rem 1.35rem;
  }
}

@media (max-width: 991.98px) {
  .site-home-hero .site-header--hero-overlay .navbar-collapse {
    background: rgba(6, 40, 68, 0.96);
    border-radius: 12px;
    margin-top: 0.5rem;
    padding: 0.5rem;
  }

  .hero-banner-box {
    padding: 0.65rem 0.75rem;
  }

  .hero-banner-tags {
    gap: 0.25rem 0.55rem;
  }
}

@media (max-width: 720px) {
  .hero-banner,
  .hero-banner-carousel,
  .hero-banner-carousel .carousel-inner,
  .hero-banner-carousel .carousel-item {
    min-height: min(78vh, 640px);
    height: min(78vh, 640px);
  }

  .hero-banner-copy {
    padding: calc(var(--header-h) + 0.75rem) 0.65rem 2.25rem;
  }

  .hero-banner-title {
    letter-spacing: 0.03em;
    font-size: clamp(1.45rem, 6.5vw, 1.85rem);
  }

  .hero-banner-box {
    padding: 0.55rem 0.65rem;
    margin-bottom: 1rem;
  }

  .hero-banner-lines {
    font-size: 0.72rem;
    line-height: 1.5;
  }

  .page-banner {
    min-height: clamp(240px, 36vh, 340px);
  }

  .page-banner-copy {
    padding: calc(var(--header-h) + 0.5rem) 0.75rem 1.75rem;
  }

  .page-banner-lead {
    font-size: 0.88rem;
    line-height: 1.55;
  }
}

/* 首页 · 六大能力标签页 + 哔哩哔哩 */
.home-capability-section {
  padding: 2.75rem 0 2rem;
  background: linear-gradient(180deg, #eef3f9 0%, #f6f8fb 45%, var(--bg) 100%);
}

.home-capability-head {
  text-align: center;
  max-width: 920px;
  margin: 0 auto 1.75rem;
}

.home-capability-title {
  margin: 0 0 0.65rem;
  font-size: clamp(1.35rem, 2.4vw, 1.85rem);
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.02em;
}

.home-capability-sub {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--muted);
}

.home-capability-tabs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.home-capability-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(150px, 30vw);
  min-height: 118px;
  padding: 0.65rem 0.45rem 0.55rem;
  border: 1px solid transparent;
  border-radius: 6px 6px 0 0;
  background: rgba(255, 255, 255, 0.65);
  color: #4a5568;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
  text-align: center;
  font: inherit;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.home-capability-tab:hover {
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary);
}

.home-capability-tab.is-active {
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary);
  border-color: rgba(27, 140, 255, 0.35);
  box-shadow: 0 4px 14px rgba(13, 110, 205, 0.12);
}

.home-capability-tab-icon {
  position: relative;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  margin-bottom: 0.4rem;
  border-radius: 12px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.home-capability-tab-icon-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  transition: transform 0.2s ease;
}

.home-capability-tab .home-capability-tab-icon {
  background: transparent;
  border: none;
  box-shadow: none;
  overflow: hidden;
  border-radius: 14px;
}

.home-capability-tab:hover .home-capability-tab-icon-img,
.home-capability-tab.is-active .home-capability-tab-icon-img {
  transform: scale(1.04);
}

.home-capability-tab:hover:not(.is-active) .home-capability-tab-icon {
  transform: translateY(-2px);
}

.home-capability-tab-label {
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.3;
}

.home-capability-tab-desc {
  margin: 0.25rem 0 0;
  font-size: 0.72rem;
  line-height: 1.35;
  opacity: 0.88;
}

.home-capability-tab.is-active .home-capability-tab-label,
.home-capability-tab.is-active .home-capability-tab-desc {
  color: var(--primary);
}

.home-capability-tab.is-active .home-capability-tab-desc {
  opacity: 0.88;
}

.home-capability-panels {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(15, 45, 85, 0.08);
  border: 1px solid var(--border-light);
  overflow-x: clip;
  overflow-y: visible;
}

.home-capability-panel {
  display: none;
  padding: 1.75rem 1.75rem 1.85rem;
}

.home-capability-panel.is-active {
  display: block;
}

.home-capability-panel-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 1.75rem 2rem;
  align-items: start;
  min-width: 0;
}

.home-capability-copy,
.home-capability-media {
  min-width: 0;
  max-width: 100%;
}

.home-capability-panel-title {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
}

.home-capability-panel-lead {
  margin: 0 0 1rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: #5a6578;
  overflow-wrap: break-word;
  word-break: break-word;
}

.home-capability-bullets {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
}

.home-capability-bullets li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.55rem;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text);
  overflow-wrap: break-word;
  word-break: break-word;
}

.home-capability-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.home-capability-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.home-capability-link-detail,
.home-capability-link-contact {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 140, 255, 0.35);
  padding-bottom: 0.15rem;
}

.home-capability-link-detail:hover,
.home-capability-link-contact:hover {
  color: #0d6ecd;
  border-bottom-color: #0d6ecd;
}

.home-capability-media .video-embed.bilibili-embed {
  max-width: none;
  margin: 0;
  aspect-ratio: 16 / 9;
  min-height: 280px;
  border-radius: 8px;
}

@media (max-width: 991.98px) {
  .home-capability-panel-inner {
    grid-template-columns: 1fr;
  }

  .home-capability-media {
    order: -1;
  }

  .home-capability-media .video-embed.bilibili-embed {
    min-height: 220px;
  }

  .home-capability-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.4rem;
    overflow: visible;
    margin-left: 0;
    margin-right: 0;
    padding: 0;
  }

  .home-capability-tabs li {
    min-width: 0;
  }

  .home-capability-tab {
    width: 100%;
    min-height: 0;
    height: 100%;
    padding: 0.5rem 0.35rem 0.45rem;
    border-radius: 8px;
  }

  .home-capability-tab-label {
    font-size: 0.85rem;
  }

  .home-capability-tab-desc {
    font-size: 0.68rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
}

@media (max-width: 575.98px) {
  .home-capability-section {
    padding: 1.65rem 0 1.35rem;
  }

  .home-capability-head {
    margin-bottom: 1.15rem;
  }

  .home-capability-title {
    font-size: 1.12rem;
    line-height: 1.45;
    letter-spacing: 0;
  }

  .home-capability-sub {
    font-size: 0.8rem;
    line-height: 1.55;
  }

  .home-capability-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.35rem;
  }

  .home-capability-tab {
    padding: 0.45rem 0.3rem 0.4rem;
  }

  .home-capability-tab-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 0.2rem;
    border-radius: 10px;
  }

  .home-capability-tab-label {
    font-size: 0.8rem;
  }

  .home-capability-tab-desc {
    font-size: 0.62rem;
    -webkit-line-clamp: 2;
  }

  .home-capability-panel {
    padding: 1.1rem 0.85rem 1.35rem;
    padding-bottom: calc(1.35rem + env(safe-area-inset-bottom, 0px));
  }

  .home-capability-panel-title {
    font-size: 1.12rem;
    overflow-wrap: break-word;
  }

  .home-capability-panel-lead,
  .home-capability-bullets li {
    font-size: 0.84rem;
  }

  .home-capability-actions {
    gap: 0.85rem;
    padding-right: 3.25rem;
  }

  .home-capability-panels {
    border-radius: 8px;
    overflow: visible;
  }

  .home-capability-media .video-embed.bilibili-embed {
    min-height: 0;
  }
}

.video-embed.bilibili-embed {
  position: relative;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  background: #0a1628;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
}

.video-embed.bilibili-embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.bilibili-source,
.home-video-source {
  margin: 0.85rem 0 0;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

.product-detail-media-panel .video-embed.bilibili-embed {
  max-width: none;
  margin: 0;
}

.product-detail-media-panel .bilibili-source {
  margin-top: 0.65rem;
  text-align: left;
  font-size: 0.8rem;
}

.site-header.navbar {
  padding-top: 0;
  padding-bottom: 0;
}

.site-header .header-inner {
  width: 100%;
}

.site-header .navbar-toggler {
  border-color: var(--border);
  padding: 0.45rem 0.65rem;
}

.site-header .navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem var(--accent-soft);
}

.site-header .site-nav .nav-link {
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.45rem 0.65rem;
  border-radius: 8px;
}

.site-header .site-nav .nav-link:hover,
.site-header .site-nav .nav-link:focus {
  color: var(--primary);
  background: var(--accent-soft);
}

.site-header .site-nav .nav-phone {
  margin-left: 0.35rem;
  padding: 0.5rem 1rem !important;
  border-radius: 999px !important;
  background: linear-gradient(135deg, var(--primary), #1565a8) !important;
  color: #fff !important;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(10, 74, 130, 0.35);
}

.site-header .site-nav .nav-phone:hover {
  color: #fff !important;
  filter: brightness(1.06);
}

.site-header .site-nav .nav-link.active {
  color: var(--primary);
  background: var(--accent-soft);
  font-weight: 600;
}

/* Hero 背景动效（仅装饰层） */
@media (prefers-reduced-motion: no-preference) {
  .hero::before {
    animation: site-hero-glow 14s ease-in-out infinite alternate;
  }

  .hero-visual {
    animation: site-hero-float 8s ease-in-out infinite;
  }
}

@keyframes site-hero-glow {
  0% { opacity: 1; transform: scale(1); }
  100% { opacity: 0.85; transform: scale(1.04); }
}

@keyframes site-hero-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

/* 滚动进入：仅位移，opacity 始终为 1 */
.motion-enter {
  transform: translateY(0);
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .js-enhanced .motion-enter {
    transition: transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
  }

  .js-enhanced .motion-enter:not(.is-inview) {
    transform: translateY(20px);
  }

  .js-enhanced .motion-enter.is-inview {
    transform: translateY(0);
  }
}

.card.motion-enter:hover,
.card:hover {
  transform: translateY(-4px);
}

.js-enhanced .card.motion-enter:not(.is-inview):hover {
  transform: translateY(20px);
}

/* 首页业务模块 / 企业优势：悬停流光 */
.home-module-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.home-module-card h3,
.home-module-card p {
  position: relative;
  z-index: 2;
}

.home-module-card .card-stream-light {
  position: absolute;
  top: -40%;
  left: -70%;
  z-index: 1;
  width: 55%;
  height: 180%;
  pointer-events: none;
  background: linear-gradient(
    100deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.15) 32%,
    rgba(126, 232, 255, 0.95) 50%,
    rgba(43, 155, 255, 0.75) 58%,
    rgba(255, 255, 255, 0.2) 72%,
    rgba(255, 255, 255, 0) 100%
  );
  filter: blur(0.5px);
  transform: translateX(0) skewX(-16deg);
  opacity: 0;
}

.home-module-card:hover {
  border-color: rgba(43, 155, 255, 0.45);
  box-shadow:
    var(--shadow),
    0 0 0 1px rgba(126, 232, 255, 0.35),
    0 8px 28px rgba(43, 155, 255, 0.16);
}

.home-module-card:hover .card-stream-light {
  opacity: 1;
  animation: home-card-stream 2.1s ease-in-out forwards;
}

.home-module-card:not(:hover) .card-stream-light {
  animation: none;
}

@keyframes home-card-stream {
  0% {
    transform: translateX(0) skewX(-16deg);
  }
  100% {
    transform: translateX(320%) skewX(-16deg);
  }
}

/* 企业实力数字由首页内联脚本递增，此处不再对 .stat 做缩放动画以免干扰观感 */

.site-footer .footer-links a {
  transition: color 0.2s ease, transform 0.2s ease;
  display: inline-block;
}

.site-footer .footer-links a:hover {
  transform: translateX(3px);
}

/* —— 内页顶图 Banner（与首页 Hero 同风格，无轮播） —— */
.site-main--banner {
  padding-top: 0;
}

.page-banner {
  position: relative;
  width: 100%;
  min-height: clamp(300px, 42vh, 460px);
  margin-top: calc(-1 * var(--header-h));
  margin-bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background-color: #031224;
  background-image: var(--page-banner-bg);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.page-banner-shade {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(3, 18, 36, 0.45) 0%, rgba(3, 18, 36, 0.25) 45%, rgba(3, 18, 36, 0.55) 100%),
    radial-gradient(ellipse 80% 60% at 50% 45%, rgba(0, 0, 0, 0.12), rgba(0, 0, 0, 0.42));
}

.page-banner-copy {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: calc(var(--header-h) + 2rem) 1rem 2.5rem;
  pointer-events: none;
}

.page-banner-copy .hero-banner-title,
.page-banner-copy .hero-banner-sub,
.page-banner-copy .hero-banner-eyebrow {
  color: #fff;
}

.page-banner-lead {
  max-width: 46rem;
  margin-inline: auto;
}

.site-page-banner .site-header--hero-overlay:not(.is-scrolled) {
  background: linear-gradient(180deg, rgba(4, 22, 42, 0.55) 0%, rgba(4, 22, 42, 0.08) 70%, transparent 100%);
}

/* —— 内页通用（内容区 / CTA） —— */
.page-hero {
  margin-top: -2.25rem;
  margin-bottom: 0;
  padding: 2.85rem 0 2.5rem;
}

.page-hero-inner {
  max-width: 44rem;
}

.page-hero .hero-lead {
  max-width: 40rem;
}

.page-content {
  padding: 2.35rem 0 2.75rem;
}

.page-kicker {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
}

.page-section {
  margin-top: 2.75rem;
}

.page-section:first-child {
  margin-top: 0;
}

.page-section-sub {
  margin-bottom: 1.25rem;
}

.page-block {
  padding: 1.45rem 1.5rem;
  margin-bottom: 1.15rem;
}

.page-block-title {
  margin: 0 0 0.85rem;
  font-size: 1.12rem;
  font-weight: 700;
  color: var(--text);
}

.page-checklist {
  margin: 0;
  padding-left: 1.15rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-checklist li {
  margin: 0.35rem 0;
}

.page-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 280px);
  gap: 1.5rem;
  align-items: start;
}

.page-aside-card {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  padding: 1.5rem 1.35rem;
  border-radius: var(--radius);
  color: #fff;
  background: linear-gradient(155deg, #06355c 0%, #0a4a82 48%, #0d6ebc 100%);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.page-aside-card h3 {
  margin: 0 0 0.65rem;
  font-size: 1.08rem;
}

.page-aside-card p {
  margin: 0 0 1.1rem;
  font-size: 0.9rem;
  line-height: 1.65;
  opacity: 0.92;
}

.page-aside-card .btn-primary {
  display: flex;
  width: 100%;
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.18);
}

.page-aside-card .btn-primary:hover {
  color: var(--primary-dark);
}

.page-aside-link {
  display: block;
  margin-top: 0.75rem;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.88);
  text-align: center;
}

.page-aside-link:hover {
  color: #fff;
}

.page-cover {
  margin: 0 0 1.35rem;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
}

.page-cover img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}

.page-cover--inset {
  margin-top: 0.5rem;
}

.page-prose {
  line-height: 1.78;
  color: var(--muted);
}

.case-moment-gallery {
  display: grid;
  gap: 1.25rem;
  margin: 0 0 1.5rem;
}

.case-moment-gallery img,
.case-moment-gallery video {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  background: #0a0a0a;
}

.case-moment-gallery figcaption {
  margin-top: 0.45rem;
  font-size: 0.88rem;
  color: var(--muted);
}

.page-back {
  margin: 1.25rem 0 0;
}

.page-back a {
  font-weight: 600;
  font-size: 0.92rem;
}

.page-article-meta {
  margin-top: 0;
  margin-bottom: 1rem;
}

.table-link {
  font-weight: 600;
  white-space: nowrap;
}

.table-wrap--premium {
  border-color: rgba(43, 155, 255, 0.18);
  box-shadow: var(--shadow);
}

table.data-table--premium {
  min-width: 720px;
}

table.data-table--premium thead th {
  padding: 1rem 1.25rem;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--primary-dark);
  background: linear-gradient(180deg, #f0f6fc 0%, #e8f0f9 100%);
  border-bottom: 2px solid rgba(10, 74, 130, 0.12);
}

table.data-table--premium tbody td {
  padding: 1rem 1.25rem;
  font-size: 0.94rem;
  line-height: 1.6;
  border-bottom-color: rgba(226, 233, 242, 0.85);
  transition: background 0.18s ease;
}

table.data-table--premium tbody tr:nth-child(even) td {
  background: #f6faff;
}

table.data-table--premium tbody tr:nth-child(odd) td {
  background: #fff;
}

table.data-table--premium tbody tr:hover td {
  background: rgba(43, 155, 255, 0.1);
}

table.data-table--premium tbody td:first-child {
  font-weight: 650;
  color: var(--primary);
  white-space: nowrap;
  width: 8.5rem;
}

table.data-table--premium tbody td:nth-child(2) {
  font-weight: 600;
  color: var(--text);
  min-width: 9rem;
}

table.data-table--premium tbody td:nth-child(3) {
  color: var(--muted);
  max-width: 32rem;
}

table.data-table--premium tbody td:last-child {
  text-align: center;
  white-space: nowrap;
  width: 6.5rem;
}

table.data-table--premium .table-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.86rem;
  color: var(--primary);
  background: rgba(43, 155, 255, 0.1);
  border: 1px solid rgba(43, 155, 255, 0.22);
  transition: background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

table.data-table--premium .table-link:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #1565a8);
  border-color: transparent;
  box-shadow: 0 4px 14px rgba(10, 74, 130, 0.25);
}

@media (min-width: 992px) {
  table.data-table--premium tbody td {
    padding: 1.05rem 1.35rem;
  }

  table.data-table--premium tbody td:nth-child(3) {
    line-height: 1.72;
  }
}

.page-cta {
  margin-top: 0;
  padding: 2.85rem 0 3.25rem;
  color: #fff;
  background: linear-gradient(135deg, #06355c 0%, #0a4a82 52%, #0d6ebc 100%);
}

.page-cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.35rem;
}

.page-cta h2 {
  margin: 0 0 0.4rem;
  color: #fff;
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.page-cta p {
  margin: 0;
  max-width: 36rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.95rem;
}

.page-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-cta-outline {
  border-color: rgba(255, 255, 255, 0.65);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.page-cta-outline:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.contact-grid--premium .contact-card {
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.contact-grid--premium .contact-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(43, 155, 255, 0.28);
}

.contact-card--phone .contact-phone-link {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
}

.contact-card--phone {
  display: flex;
  flex-direction: column;
}

.contact-location-map {
  margin: 0.85rem auto 0;
  max-width: 78%;
  text-align: center;
}

.contact-location-map img {
  width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  box-shadow: 0 2px 12px rgba(10, 74, 130, 0.08);
}

.contact-location-map figcaption {
  margin: 0.45rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
  text-align: center;
}

.contact-card--highlight {
  background: linear-gradient(145deg, rgba(10, 74, 130, 0.04), rgba(43, 155, 255, 0.08));
  border-color: rgba(43, 155, 255, 0.22);
}

.blog-list {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.blog-card--no-cover {
  grid-template-columns: 1fr;
}

.blog-card {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 0;
  padding: 0;
  overflow: hidden;
  align-items: start;
}

.blog-card-cover {
  display: block;
  width: 200px;
  max-width: 200px;
  flex-shrink: 0;
  overflow: hidden;
  background: linear-gradient(135deg, #dfe7f2, #c5d4e8);
}

/* 与案例列表 .case-card-thumb img 一致：在 img 上固定比例，避免 main.css 的 img{height:auto} 把竖图撑高 */
.blog-list .blog-card-cover img {
  width: 100%;
  height: auto;
  max-height: none;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
}

.blog-card-body {
  padding: 1.25rem 1.35rem;
}

.blog-card h2 {
  margin: 0 0 0.35rem;
  font-size: 1.15rem;
}

.blog-read-more {
  display: inline-block;
  margin-top: 0.65rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.media-list--grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.15rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.media-list--grid .media-card {
  margin: 0;
  position: relative;
  padding-bottom: 2.25rem;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.media-list--grid .media-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(43, 155, 255, 0.3);
}

.media-card h2 {
  font-size: 1.08rem;
  margin: 0 0 0.35rem;
  line-height: 1.45;
}

.media-card-link {
  position: absolute;
  left: 1.3rem;
  bottom: 1.1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
}

.faq-list-meta {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--text-muted, #5c6670);
}

.faq--premium details {
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
}

.faq--premium summary {
  padding: 1.05rem 1.25rem;
  font-size: 0.98rem;
}

.page-tech-map img {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  margin-top: 0.75rem;
}

.patents-page {
  padding-bottom: 2rem;
}

.patents-filter {
  margin-bottom: 1.25rem;
}

.patents-filter ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.patents-filter a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 0.88rem;
  text-decoration: none;
}

.patents-filter a.is-active,
.patents-filter a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--accent-soft);
}

.patents-filter-count {
  font-size: 0.78rem;
  opacity: 0.75;
}

.patents-grid {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.patent-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.patent-card--linked .patent-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.patent-card-thumb {
  aspect-ratio: 4 / 3;
  background: #f4f7fb;
  border-bottom: 1px solid var(--border-light);
  overflow: hidden;
}

.patent-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.5rem;
}

.patent-card-body {
  padding: 1rem 1.1rem 1.15rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.patent-card-type,
.patent-card-cat {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  margin-right: 0.35rem;
}

.patent-card-type {
  background: var(--accent-soft);
  color: var(--primary);
}

.patent-card-cat {
  background: #f0f2f5;
  color: #4a5568;
}

.patent-card-title {
  font-size: 1rem;
  margin: 0.25rem 0 0;
  line-height: 1.4;
}

.patent-card-excerpt {
  margin: 0;
  font-size: 0.86rem;
  color: var(--muted);
  flex: 1;
}

.patent-card-more {
  margin-top: 0.5rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--primary);
}

.patent-card--linked:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(27, 140, 255, 0.35);
}

.patent-detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 1.5rem;
  align-items: start;
}

.patent-detail-figure {
  margin: 0;
  background: #f8fafc;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
}

.patent-detail-figure img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}

.patent-detail-caption {
  margin-top: 0.65rem;
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.45;
}

.patent-detail-lead {
  font-size: 1.02rem;
  line-height: 1.65;
  margin-top: 0;
}

.patent-detail-prose h2 {
  font-size: 1.05rem;
  margin: 1.25rem 0 0.5rem;
}

.patent-detail-prose ul.patent-detail-facts {
  margin: 0.5rem 0 1rem;
  padding-left: 1.2rem;
}

.patent-detail-back {
  margin-top: 1.5rem;
  font-size: 0.9rem;
}

@media (max-width: 991px) {
  .patents-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .patent-detail-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 575px) {
  .patents-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 960px) {
  .page-detail-layout {
    grid-template-columns: 1fr;
  }

  .page-aside-card {
    position: static;
  }

  .blog-card {
    grid-template-columns: 1fr;
  }

  .blog-list .blog-card-cover {
    width: 100%;
    max-width: none;
  }

  .blog-list .blog-card-cover img {
    aspect-ratio: 16 / 9;
  }

  .media-list--grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-hero {
    padding: 2.35rem 0 2rem;
  }

  .page-content {
    padding: 1.75rem 0 2rem;
  }

  .page-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-cta-actions {
    width: 100%;
  }

  .page-cta-actions .btn {
    flex: 1 1 auto;
    justify-content: center;
    min-width: min(100%, 12rem);
  }
}

/* —— 关于我们 —— */
.about-page .about-hero {
  margin-bottom: 0;
}

.about-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.25rem;
}

.about-hero-meta span {
  font-size: 0.78rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  letter-spacing: 0.04em;
}

.about-hero-visual img {
  min-height: 240px;
  object-fit: cover;
}

.about-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  margin-top: -2.75rem;
  margin-bottom: 2.75rem;
  position: relative;
  z-index: 2;
}

.about-metric {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 1.35rem 1rem;
  box-shadow: var(--shadow);
}

.about-metric strong {
  display: block;
  font-size: clamp(1.35rem, 2.2vw, 1.65rem);
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.25rem;
}

.about-metric span {
  font-size: 0.86rem;
  color: var(--muted);
}

.about-section {
  padding: 2.75rem 0;
}

.about-intro {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.65) 0%, var(--bg) 100%);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.about-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 2rem;
  align-items: start;
}

.about-kicker {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
}

.about-section-head {
  max-width: 42rem;
  margin-bottom: 1.65rem;
}

.about-section-sub {
  margin-bottom: 0;
}

.about-prose p {
  margin: 0 0 1rem;
  color: var(--muted);
  line-height: 1.78;
  font-size: 0.98rem;
}

.about-facts {
  list-style: none;
  margin: 1.35rem 0 0;
  padding: 1rem 1.15rem;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(43, 155, 255, 0.22);
}

.about-facts li {
  margin: 0.4rem 0;
  font-size: 0.92rem;
  line-height: 1.55;
}

.about-fact-label {
  display: inline-block;
  min-width: 4.6rem;
  margin-right: 0.45rem;
  font-weight: 650;
  color: var(--primary);
}

.about-aside-card {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  padding: 1.75rem 1.65rem;
  border-radius: var(--radius);
  color: #fff;
  background: linear-gradient(155deg, #06355c 0%, #0a4a82 48%, #0d6ebc 100%);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.about-aside-card h3 {
  margin: 0 0 1rem;
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.about-aside-card ul {
  margin: 0 0 1.35rem;
  padding-left: 1.1rem;
  line-height: 1.75;
  font-size: 0.92rem;
  opacity: 0.94;
}

.about-aside-card .btn-primary {
  width: 100%;
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.18);
}

.about-aside-card .btn-primary:hover {
  color: var(--primary-dark);
  filter: brightness(1.03);
}

.about-culture {
  padding-top: 2rem;
}

.about-value-card {
  position: relative;
  padding: 1.45rem 1.4rem 1.35rem;
  overflow: hidden;
}

.about-value-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  opacity: 0.85;
}

.about-value-num {
  position: absolute;
  top: 0.65rem;
  right: 1rem;
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(43, 155, 255, 0.14);
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

.about-value-card h3 {
  position: relative;
  z-index: 1;
}

.about-process {
  background: var(--surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.about-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
}

.about-steps li {
  display: flex;
  gap: 0.95rem;
  align-items: flex-start;
  padding: 1.2rem 1.15rem;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.about-steps li:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: rgba(43, 155, 255, 0.28);
}

.about-step-index {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.45rem;
  height: 2.45rem;
  border-radius: 11px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 4px 14px rgba(10, 74, 130, 0.28);
}

.about-steps li strong {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 1rem;
  color: var(--text);
}

.about-steps li p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.55;
}

.about-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
}

.about-tags li {
  padding: 0.55rem 1.05rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 550;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
}

.about-tags li:hover {
  border-color: rgba(43, 155, 255, 0.45);
  color: var(--primary);
  box-shadow: var(--shadow-sm), 0 0 0 1px rgba(43, 155, 255, 0.12);
}

.about-cta {
  margin-top: 0.5rem;
  padding: 2.85rem 0 3.25rem;
  color: #fff;
  background: linear-gradient(135deg, #06355c 0%, #0a4a82 52%, #0d6ebc 100%);
}

.about-cta-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.35rem;
}

.about-cta h2 {
  margin: 0 0 0.4rem;
  color: #fff;
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.about-cta p {
  margin: 0;
  max-width: 36rem;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.95rem;
}

.about-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.about-cta-outline {
  border-color: rgba(255, 255, 255, 0.65);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.about-cta-outline:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

@media (max-width: 960px) {
  .about-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: -2rem;
  }

  .about-intro-grid {
    grid-template-columns: 1fr;
  }

  .about-aside-card {
    position: static;
  }

  .about-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .about-metrics {
    grid-template-columns: 1fr 1fr;
    margin-top: -1.25rem;
    margin-bottom: 2rem;
  }

  .about-section {
    padding: 2rem 0;
  }

  .about-steps {
    grid-template-columns: 1fr;
  }

  .about-cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .about-cta-actions {
    width: 100%;
  }

  .about-cta-actions .btn {
    flex: 1 1 auto;
    justify-content: center;
    min-width: min(100%, 12rem);
  }
}

/* —— 产品中心 —— */
.products-page .page-content {
  padding-top: 2rem;
}

.products-filter-stack {
  position: sticky;
  top: calc(var(--header-h, 72px) + 0.35rem);
  z-index: 50;
  margin-bottom: 2rem;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.products-filter {
  margin-bottom: 0;
  padding: 1rem 1.15rem 0.75rem;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.products-filter-subpanel {
  border-top: 1px solid var(--border-light);
  padding: 0.7rem 1.15rem 0.85rem;
  background: #f7f9fc;
  min-height: 2.75rem;
}

.products-filter-subpanel[hidden] {
  display: none !important;
}

.products-filter-sub {
  display: none;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1.35rem;
  line-height: 1.5;
}

.products-filter-sub.is-visible {
  display: flex;
}

.products-filter-sub a {
  padding: 0;
  font-size: 0.84rem;
  font-weight: 500;
  color: #3d4a59;
  background: none;
  border: none;
  border-radius: 0;
}

.products-filter-sub a:hover {
  color: var(--primary);
  background: none;
  text-decoration: underline;
}

.products-filter-sub-empty {
  font-size: 0.84rem;
  color: var(--muted);
}

.products-page {
  scroll-padding-top: calc(var(--header-h, 72px) + 5.5rem);
}

.products-filter ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.65rem;
}

.products-filter a {
  display: inline-block;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 550;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.products-filter a:hover,
.products-filter a.is-active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #1565a8);
  border-color: transparent;
}

.products-section {
  margin-bottom: 2.75rem;
  scroll-margin-top: calc(var(--header-h, 72px) + 5.5rem);
}

.products-section-title {
  margin: 0 0 1.25rem;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--text);
  padding-bottom: 0.65rem;
  border-bottom: 2px solid rgba(43, 155, 255, 0.25);
}

.products-section-empty {
  margin: 0;
  padding: 1.25rem 0 0.5rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.products-grid {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card {
  padding: 0;
  overflow: hidden;
}

.product-card h3 {
  margin: 0;
  padding: 0.85rem 1rem 1rem;
  font-size: 1rem;
  text-align: center;
}

.product-card > a {
  display: block;
  color: inherit;
  text-decoration: none;
}

.product-card-thumb {
  position: relative;
  display: block;
  overflow: hidden;
  background: linear-gradient(135deg, #dfe7f2, #c5d4e8);
}

.product-card-thumb img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.product-card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: #fff;
  background: rgba(15, 40, 70, 0.28);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.product-card:hover .product-card-thumb img {
  transform: scale(1.04);
}

.product-card:hover .product-card-overlay {
  opacity: 1;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.product-detail-media {
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.product-detail-media img {
  width: 100%;
  display: block;
}

.product-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.product-detail-back {
  border-color: var(--primary);
  color: var(--primary);
}

@media (max-width: 960px) {
  .products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-detail {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .products-page .page-content {
    padding-top: 1.25rem;
  }

  .products-filter {
    top: calc(var(--header-h, 64px) + 0.15rem);
    margin-left: -0.25rem;
    margin-right: -0.25rem;
    padding: 0.75rem 0.65rem;
  }

  .products-filter ul {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.15rem;
    gap: 0.45rem;
  }

  .products-filter ul::-webkit-scrollbar {
    display: none;
  }

  .products-filter a {
    flex: 0 0 auto;
    white-space: nowrap;
    font-size: 0.82rem;
    padding: 0.4rem 0.8rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }
}

/* —— 产品详情（对齐 setgm 产品页结构） —— */
.product-detail-page {
  background: var(--bg);
}

.product-detail-intro {
  padding: 2rem 0 2.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border-light);
}

.product-detail-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-areas:
    "intro intro"
    "quote media";
  gap: 1.75rem 2rem;
  align-items: stretch;
}

.product-detail-intro-grid > .product-detail-prose {
  grid-area: intro;
}

.product-detail-intro-grid > .product-detail-quote {
  grid-area: quote;
}

.product-detail-intro-grid > .product-detail-media-panel {
  grid-area: media;
}

.product-detail-prose {
  color: var(--muted);
  line-height: 1.78;
  font-size: 0.98rem;
}

.product-detail-prose p {
  margin: 0 0 1rem;
}

.product-detail-prose p:last-child {
  margin-bottom: 0;
}

.product-intro-html p:has(> strong:only-child) {
  margin: 1.35rem 0 0.5rem;
  color: var(--text);
}

.product-intro-html p:has(> strong:only-child):first-child {
  margin-top: 0;
}

.product-intro-html p > strong:only-child {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.product-detail-quote {
  margin-top: 0;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  background: var(--accent-soft);
  border: 1px dashed rgba(10, 74, 130, 0.35);
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-detail-quote-inner {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 0.85rem 1.1rem;
  align-items: center;
  height: 100%;
  min-height: 100%;
}

.product-detail-quote-qr .wechat-qr-block--product-inline {
  margin: 0;
  text-align: center;
}

.product-detail-quote-qr .wechat-qr-block--product-inline img {
  width: 112px;
  height: 112px;
  max-width: none;
  margin: 0;
  padding: 0.35rem;
  display: block;
}

.product-detail-quote-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  text-align: left;
  gap: 0.5rem;
}

.product-detail-quote-copy .product-detail-wechat-id {
  margin: 0;
  align-self: flex-start;
  font-size: 0.95rem;
  padding: 0.35rem 0.65rem;
}

.product-detail-quote-copy .meta {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--muted);
}

.product-detail-quote-copy .btn {
  margin-top: 0.15rem;
  width: 100%;
  padding-top: 0.45rem;
  padding-bottom: 0.45rem;
  font-size: 0.9rem;
}

.product-detail-media-panel {
  display: flex;
  flex-direction: column;
}

.product-detail-media-panel img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border-light);
  display: block;
}

.product-detail-section {
  padding: 2.5rem 0;
}

.product-detail-features {
  background: #f0f5fb;
}

.product-section-head {
  text-align: center;
  margin-bottom: 1.75rem;
}

.product-section-head h2 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
}

.product-section-sub {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.product-features-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.product-features-list li {
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  padding: 1.1rem 1.15rem;
}

.product-features-list img {
  flex-shrink: 0;
  border-radius: 8px;
}

.product-features-list strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 1.02rem;
}

.product-features-list p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.product-scenarios-grid {
  display: grid;
  grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.product-scenario-tabs {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.product-scenario-tabs button {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: var(--text);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.product-scenario-tabs button.is-active {
  border-color: rgba(43, 155, 255, 0.45);
  background: var(--accent-soft);
}

.product-scenario-tabs img {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 6px;
}

.product-scenario-panel {
  display: none;
  overflow: hidden;
  padding: 0;
}

.product-scenario-panel.is-active {
  display: block;
}

.product-scenario-panel > img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
}

.product-scenario-panel-body {
  padding: 1.25rem 1.35rem 1.35rem;
}

.product-scenario-panel-body h3 {
  margin: 0 0 0.5rem;
}

.product-scenario-panel-body p {
  margin: 0 0 1rem;
  color: var(--muted);
  line-height: 1.7;
}

.product-scenario-more {
  border-color: var(--primary);
  color: var(--primary);
}

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

.product-case-card {
  padding: 0;
  overflow: hidden;
  color: inherit;
  text-decoration: none;
}

.product-case-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.product-case-card span {
  display: block;
  padding: 0.75rem 1rem;
  font-weight: 600;
  font-size: 0.92rem;
}

.product-section-more {
  text-align: center;
  margin: 1.5rem 0 0;
}

.product-detail-lead {
  padding: 2.5rem 0;
  background: linear-gradient(180deg, #eef4fa 0%, var(--bg) 100%);
}

.product-detail-lead-inner {
  padding: 1.75rem 1.5rem;
  text-align: center;
}

.product-detail-lead-inner h2 {
  margin: 0 0 0.35rem;
}

.product-detail-lead-inner > p {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.product-lead-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  align-items: flex-end;
}

.product-lead-form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.82rem;
  color: var(--muted);
  min-width: min(100%, 10rem);
  text-align: left;
}

.product-lead-form-status {
  flex: 1 1 100%;
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
}

.product-lead-form-status.is-success {
  color: #0a7a3e;
}

.product-lead-form-status.is-error {
  color: #b42318;
}

.product-lead-form input,
.product-lead-form select {
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font: inherit;
}

.product-sidebar-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
}

.product-sidebar-col h3 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.product-sidebar-col ul {
  margin: 0 0 1.25rem;
  padding-left: 1.1rem;
  font-size: 0.88rem;
  line-height: 1.65;
}

.product-sidebar-col ul:last-child {
  margin-bottom: 0;
}

.product-related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.product-related-item {
  color: inherit;
  text-decoration: none;
  font-size: 0.82rem;
  text-align: center;
}

.product-related-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 0.35rem;
}

@media (max-width: 960px) {
  .product-detail-intro-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      "intro"
      "quote"
      "media";
  }

  .product-detail-quote-inner {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 0.75rem;
  }

  .product-detail-quote-qr .wechat-qr-block--product-inline img {
    width: 96px;
    height: 96px;
  }

  .product-scenarios-grid,
  .product-sidebar-columns {
    grid-template-columns: 1fr;
  }

  .product-features-list {
    grid-template-columns: 1fr;
  }

  .product-cases-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .product-cases-grid {
    grid-template-columns: 1fr;
  }

  .product-lead-form {
    flex-direction: column;
    align-items: stretch;
  }
}

/* —— 移动端通用 —— */
@media (max-width: 991.98px) {
  .site-header .navbar-toggler {
    order: -1;
    flex-shrink: 0;
  }

  .site-header .brand {
    flex: 1;
    min-width: 0;
    margin-right: 0;
  }

  .site-header .brand.navbar-brand {
    max-width: calc(100% - 4.5rem);
  }

  .site-header .navbar-collapse {
    flex-basis: 100%;
  }
}

@media (max-width: 720px) {
  .site-body {
    overflow-x: clip;
  }

  .container {
    width: min(100% - 1.25rem, var(--max));
  }

  .site-header .brand-text strong {
    font-size: 0.92rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .section-title {
    font-size: clamp(1.2rem, 5vw, 1.45rem);
  }

  .section-sub {
    font-size: 0.88rem;
  }
}

/* —— 白皮书中心 —— */
.whitepaper-page .page-content {
  padding-top: 2rem;
  padding-bottom: 2.5rem;
}

.whitepaper-filter {
  margin-bottom: 1.75rem;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.whitepaper-filter ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.55rem;
}

.whitepaper-filter a {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 550;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
}

.whitepaper-filter a.is-active,
.whitepaper-filter a:hover {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), #1565a8);
  border-color: transparent;
}

.whitepaper-grid {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.whitepaper-card {
  padding: 0;
  overflow: hidden;
  height: 100%;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.whitepaper-card:not(.whitepaper-card--upcoming):hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.whitepaper-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.25rem 1.35rem 1.15rem;
  color: inherit;
  text-decoration: none;
}

.whitepaper-card-tag {
  display: inline-block;
  align-self: flex-start;
  margin-bottom: 0.65rem;
  padding: 0.2rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--primary);
  background: var(--accent-soft);
  border-radius: 999px;
}

.whitepaper-card-title {
  margin: 0 0 0.65rem;
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}

.whitepaper-card-summary {
  margin: 0 0 1rem;
  flex: 1;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--muted);
}

.whitepaper-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.85rem;
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.whitepaper-card-action {
  margin-left: auto;
  font-weight: 600;
  color: var(--primary);
}

.whitepaper-card--upcoming {
  padding: 1.25rem 1.35rem 1.15rem;
  opacity: 0.88;
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
}

.whitepaper-badge-upcoming {
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #6b7280;
  background: rgba(107, 114, 128, 0.12);
}

.whitepaper-footnote {
  margin: 2rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  text-align: center;
}

.whitepaper-article .whitepaper-body h2 {
  margin: 1.75rem 0 0.75rem;
  font-size: 1.2rem;
  color: var(--text);
}

.whitepaper-article .whitepaper-body h2:first-child {
  margin-top: 0.5rem;
}

.whitepaper-article .whitepaper-body p,
.whitepaper-article .whitepaper-body li {
  line-height: 1.75;
}

.whitepaper-back {
  margin: 1.75rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--border-light);
  font-size: 0.9rem;
}

.whitepaper-download-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  margin: 0 0 1.25rem;
  padding: 0.85rem 1rem;
  background: linear-gradient(90deg, #eef6ff 0%, #f8fbff 100%);
  border: 1px solid rgba(27, 140, 255, 0.25);
  border-radius: var(--radius-sm);
}

.whitepaper-download-hint {
  font-size: 0.82rem;
  color: var(--muted);
}

.whitepaper-card-pdf {
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  color: #0d6ecd;
  background: rgba(13, 110, 205, 0.1);
}

@media (max-width: 720px) {
  .whitepaper-grid {
    grid-template-columns: 1fr;
  }

  .whitepaper-filter ul {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.15rem;
  }

  .whitepaper-filter ul::-webkit-scrollbar {
    display: none;
  }

  .whitepaper-filter a {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .whitepaper-card-action {
    margin-left: 0;
  }
}

/* 联系浮窗：桌面常显；手机折叠，咨询按钮抽屉展开 */
.contact-float {
  position: fixed;
  right: 0;
  top: 50%;
  z-index: 1195;
  pointer-events: none;
}

.contact-float-card {
  pointer-events: auto;
  position: relative;
  width: 168px;
  background: #fff;
  border-radius: 8px 0 0 8px;
  box-shadow: -4px 0 24px rgba(15, 45, 85, 0.12), 0 8px 32px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-light);
  border-right: none;
  overflow: hidden;
}

.contact-float-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  padding: 0.55rem 0.65rem 0.45rem;
  background: linear-gradient(90deg, #f7fafc 0%, #fff 100%);
  border-bottom: 1px solid #eef2f6;
}

.contact-float-tab {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #9ed048 0%, #7cb342 100%);
  border-radius: 3px;
  letter-spacing: 0.02em;
}

.contact-float-en {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #1a1a1a;
  line-height: 1.2;
}

.contact-float-body {
  padding: 0.65rem 0.75rem 0.85rem;
  text-align: center;
}

.contact-float-qr {
  width: 132px;
  height: 132px;
  object-fit: contain;
  margin: 0 auto 0.35rem;
  display: block;
  border: 1px solid #eee;
}

.contact-float-hint {
  margin: 0 0 0.35rem;
  font-size: 0.72rem;
  color: #333;
}

.contact-float-hours {
  margin: 0 0 0.5rem;
  font-size: 0.68rem;
  color: #555;
  line-height: 1.35;
}

.contact-float-label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 600;
  color: #222;
}

.contact-float-phone {
  margin: 0.15rem 0 0.65rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.contact-float-phone a {
  color: #1a1a1a;
  text-decoration: none;
}

.contact-float-phone a:hover {
  color: var(--primary);
}

.contact-float-actions {
  display: flex;
  justify-content: center;
  gap: 0.65rem;
}

.contact-float-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  color: #fff;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(124, 179, 66, 0.35);
  transition: transform 0.15s ease, filter 0.15s ease;
}

.contact-float-btn:hover {
  color: #fff;
  transform: translateY(-2px);
  filter: brightness(1.05);
}

.contact-float-btn--phone,
.contact-float-btn--wechat {
  background: linear-gradient(145deg, #aed581 0%, #7cb342 55%, #689f38 100%);
}

.contact-float-close {
  display: none;
  position: absolute;
  top: 0.35rem;
  right: 0.35rem;
  z-index: 2;
  width: 1.65rem;
  height: 1.65rem;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.06);
  color: #555;
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
}

.contact-float-open-chat {
  display: none;
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.45rem 0.5rem;
  border: 1px solid rgba(10, 74, 130, 0.25);
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(10, 74, 130, 0.08), rgba(43, 155, 255, 0.12));
  color: var(--primary);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
}

.contact-float-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: -1;
  margin: 0;
  padding: 0;
  border: none;
  background: rgba(8, 24, 40, 0.45);
  backdrop-filter: blur(2px);
  pointer-events: auto;
  cursor: pointer;
}

.contact-float-backdrop:not([hidden]) {
  display: block;
}

body.contact-float-drawer-open {
  overflow: hidden;
}

@media (min-width: 992px) {
  .contact-float {
    display: block;
    transform: translateY(-50%);
  }

  .contact-float-backdrop,
  .contact-float-close,
  .contact-float-open-chat {
    display: none !important;
  }
}

@media (max-width: 991.98px) {
  .contact-float {
    display: block;
    transform: translateY(-50%) translateX(100%);
    transition: transform 0.35s cubic-bezier(0.32, 0.72, 0, 1);
    pointer-events: auto;
  }

  .contact-float.is-drawer-open {
    transform: translateY(-50%) translateX(0);
  }

  .contact-float-card {
    width: min(72vw, 200px);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.18);
  }

  .contact-float-close,
  .contact-float-open-chat {
    display: block;
  }

  .contact-float-qr {
    width: 118px;
    height: 118px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-float {
    transition: none !important;
  }

  .hero::before,
  .hero-visual,
  .stats .stat {
    animation: none !important;
  }

  .home-module-card:hover .card-stream-light {
    animation-duration: 1.1s;
  }

  .motion-enter {
    transform: none !important;
    transition: none !important;
  }
}

.not-found-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 1.5rem;
  align-items: start;
}

.not-found-code {
  margin: 0 0 0.2rem;
  font-size: clamp(3.4rem, 8vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.9;
  color: var(--primary);
}

.not-found-page .section-sub {
  max-width: 40rem;
}

.not-found-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.not-found-btn-ghost {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--primary);
}

.not-found-btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.not-found-nav-title {
  margin: 1.75rem 0 0.75rem;
  font-size: 1.05rem;
}

.not-found-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.not-found-links a {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.9rem;
}

.not-found-links a:hover {
  border-color: var(--accent);
  color: var(--primary);
}

.not-found-company h2 {
  margin-bottom: 0.35rem;
}

.not-found-tagline {
  margin: 0 0 1rem;
  color: var(--muted);
}

.not-found-facts {
  display: grid;
  gap: 0.7rem;
  margin: 0 0 1.15rem;
}

.not-found-facts div {
  display: grid;
  grid-template-columns: 5.2rem minmax(0, 1fr);
  gap: 0.35rem 0.75rem;
  align-items: baseline;
}

.not-found-facts dt,
.not-found-facts dd {
  margin: 0;
}

.not-found-facts dt {
  color: var(--muted);
  font-size: 0.86rem;
}

.not-found-facts dd {
  font-weight: 650;
  overflow-wrap: anywhere;
}

.not-found-company .wechat-qr-block {
  margin-top: 0.25rem;
}

.not-found-company .wechat-qr-block img {
  max-width: 148px;
}

.not-found-about {
  margin-top: 1.5rem;
  padding: 1.35rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.not-found-about p {
  margin: 0.45rem 0 0;
  color: var(--muted);
}

@media (max-width: 860px) {
  .not-found-layout {
    grid-template-columns: 1fr;
  }
}