/* =============================================================================
   Agent Site — 默认铺满；缩小浏览器比例时再留白

   原理：缩小比例时 CSS 视口变宽。JS 把 --page-max 锁到「屏幕物理宽度」，
   100% 时 page-max ≈ 视口宽 → 铺满；缩小后 page-max < 视口宽 → 两侧留白且整站缩小。
   ============================================================================= */
:root {
  --bg: #ffffff;
  --bg-soft: #f4f8fc;
  --bg-tint: #eef6ff;
  --text: #0b1220;
  --muted: #5b6b7f;
  --line: #e4eef8;
  --brand: #2563eb;
  --brand-2: #06b6d4;
  --brand-deep: #1d4ed8;
  --brand-soft: #eff6ff;
  --glow: rgba(37, 99, 235, 0.12);
  --radius: 16px;
  --shadow: 0 12px 36px rgba(15, 53, 110, 0.07);
  --shadow-sm: 0 4px 14px rgba(15, 53, 110, 0.05);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;

  /* 默认 100%：铺满。缩小比例后由 JS 改成屏幕宽（px） */
  --page-max: 100%;
  --page-inline: 1.5rem;
  --section-y: 2.75rem;
  --banner-ratio: 1950 / 1040;
  --banner-bg: #0b1b3a;
  --canvas: #e8eef5;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  width: 100%;
  height: 100%;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  /*
   * 字号跟「内容栏宽度」走，不跟缩小比例后虚高的视口走，避免 50% 缩放时字变大把顶栏挤爆。
   * --frame-width 由 JS 写成屏幕物理宽；未注入时回退 100vw。
   */
  font-size: clamp(16.5px, calc(var(--frame-width, 100vw) * 0.0055 + 9px), 22px);
}
body {
  margin: 0;
  min-width: 0;
  width: 100%;
  min-height: 100%;
  font-family: var(--font);
  font-size: 1.0625rem; /* 正文略高于根号，接近多数企业站 */
  color: var(--text);
  background: var(--canvas);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 超宽/大屏再抬一档：用 frame-width，避免缩小比例误触发 */
@media (min-width: 1600px) {
  html {
    font-size: clamp(18px, calc(var(--frame-width, 100vw) * 0.005 + 10px), 22px);
  }
}
@media (min-width: 2200px) {
  html {
    font-size: clamp(19px, calc(var(--frame-width, 100vw) * 0.004 + 11px), 23px);
  }
}

a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 默认 width:100% 铺满；缩小比例后 --page-max 变成屏幕宽，两侧露出 canvas */
.site-skeleton {
  padding: 3rem 1rem;
  text-align: center;
  color: #64748b;
  font-size: 0.9375rem;
}

.site-frame {
  width: min(100%, var(--page-max));
  margin-inline: auto;
  background: var(--bg);
  min-height: 100vh;
  box-shadow: 0 0 40px rgba(15, 53, 110, 0.06);
  /* 顶栏响应以「内容栏实际宽度」为准，避免缩小比例后媒体查询误判为超宽屏 */
  container-type: inline-size;
  container-name: site;
}

.container {
  /* 超宽屏限制正文栏宽，避免一行字拉得过长；横幅 section 仍可全宽 */
  width: min(100%, 1480px);
  max-width: none;
  margin-inline: auto;
  padding-inline: var(--page-inline);
}

@media (min-width: 1800px) {
  .container {
    width: min(100%, 1680px);
  }
  :root {
    --page-inline: 2rem;
    --section-y: 3.25rem;
  }
}

/* —— 顶栏 —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  width: 100%;
  overflow: visible;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px) saturate(1.15);
  border-bottom: 1px solid #e8eef6;
  box-shadow: 0 4px 18px rgba(15, 53, 110, 0.05);
}
.site-header::after {
  display: none;
}
.site-header__inner {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.85rem 1.1rem;
  min-height: 68px;
  padding-block: 0.55rem;
  overflow: visible;
  flex-wrap: nowrap;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  color: var(--brand-deep);
  min-width: max-content;
  max-width: none;
  overflow: visible;
  text-decoration: none;
  line-height: 1.35;
  flex: 0 0 auto;
}
.brand__name,
.brand > span {
  display: block;
  min-width: max-content;
  max-width: none;
  line-height: 1.35;
  padding: 0.1em 0;
  /* 全称完整单行展示，禁止省略号、禁止截断 */
  white-space: nowrap;
  overflow: visible;
  text-overflow: unset;
}
.brand__logo {
  display: block;
  width: auto;
  height: 2.55rem;
  max-width: min(10rem, 32vw);
  aspect-ratio: 3 / 1;
  object-fit: contain;
  object-position: left center;
  border-radius: 8px;
  background: transparent;
  flex-shrink: 0;
}
.brand__mark {
  width: 2.15rem;
  height: 2.15rem;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: linear-gradient(140deg, var(--brand-deep), var(--brand-2));
  color: #fff;
  font-size: 0.72rem;
  box-shadow: 0 8px 18px var(--glow);
  position: relative;
  flex-shrink: 0;
}
.brand__mark::after {
  content: "";
  position: absolute;
  inset: 2px;
  border-radius: 9px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  pointer-events: none;
}
.nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.1rem 0.2rem;
  justify-content: center;
  align-items: center;
  margin-inline: auto;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  flex: 1 1 auto;
  max-width: none;
  min-width: 0;
  overflow: visible;
}
.nav > a,
.nav .nav-dd__btn {
  padding: 0.4rem 0.55rem;
  border-radius: 0;
  font-size: 0.9rem;
  color: #334155;
  font-weight: 600;
  white-space: nowrap;
  position: relative;
  transition: color 0.15s ease;
  flex: 0 0 auto;
  background: transparent;
  border: 0;
  cursor: pointer;
  font: inherit;
}
.nav > a:hover,
.nav .nav-dd__btn:hover,
.nav-dd:hover .nav-dd__btn {
  color: var(--brand-deep);
}
.nav > a.is-active,
.nav-dd.is-active .nav-dd__btn {
  color: var(--brand-deep);
  font-weight: 750;
}
.nav > a.is-active::after {
  content: "";
  position: absolute;
  left: 0.55rem;
  right: 0.55rem;
  bottom: 0.08rem;
  height: 2px;
  border-radius: 999px;
  background: var(--brand);
}
.nav-dd {
  position: relative;
  flex: 0 0 auto;
  z-index: 70;
}
.nav-dd__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
}
.nav-dd.is-active .nav-dd__btn::before {
  content: "";
  position: absolute;
  left: 0.55rem;
  right: 0.55rem;
  bottom: 0.08rem;
  height: 2px;
  border-radius: 999px;
  background: var(--brand);
}
.nav-dd__btn::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.55;
  margin-top: 1px;
}
.nav-dd__menu {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  top: calc(100% + 2px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 9.5rem;
  padding: 0.4rem 0;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.14);
  z-index: 300;
}
.nav-dd__menu::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -12px;
  height: 12px;
}
.nav-dd:hover .nav-dd__menu,
.nav-dd:focus-within .nav-dd__menu,
.nav-dd.is-open .nav-dd__menu {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}
.nav-dd__menu a {
  display: block;
  padding: 0.5rem 1rem;
  color: #334155;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
}
.nav-dd__menu a:hover,
.nav-dd__menu a.is-active {
  color: var(--brand-deep);
  background: #f8fafc;
}

/* 顶栏右侧：电话 + VR */
.header-tools {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex: 0 0 auto;
  margin-left: 0;
}
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #1e293b;
  font-weight: 650;
  font-size: 1rem;
  white-space: nowrap;
  text-decoration: none;
}
.header-phone:hover {
  color: var(--brand-deep);
}
.header-phone__icon {
  font-size: 0.85rem;
  opacity: 0.75;
}
.header-vr {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  min-width: 2.15rem;
  padding: 0;
  border: 1px solid #bfdbfe;
  border-radius: 10px;
  background: #fff;
  color: #1d4ed8;
  cursor: pointer;
  flex-shrink: 0;
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.06);
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.header-vr__icon {
  display: block;
}
.header-vr:hover {
  border-color: #60a5fa;
  color: #1e40af;
  background: #eff6ff;
  transform: translateY(-1px);
}

/* 全景 VR 弹窗：对齐知识库 PanoramaVrPreview */
.pvr {
  position: fixed;
  inset: 0;
  z-index: 1600;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.pvr[hidden] {
  display: none !important;
}
.pvr__mask {
  position: absolute;
  inset: 0;
  background: rgb(15 23 42 / 0.62);
}
.pvr__panel {
  position: relative;
  z-index: 1;
  width: min(1360px, 96vw);
  height: min(900px, 92vh);
  display: flex;
  flex-direction: column;
  background: #0b1220;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 64px rgb(0 0 0 / 0.45);
}
.pvr__head {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3rem;
  padding: 0 1rem;
  background: #111827;
  border-bottom: 1px solid rgb(255 255 255 / 0.08);
}
.pvr__title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 650;
  color: #f8fafc;
}
.pvr__x {
  width: 2rem;
  height: 2rem;
  border: none;
  border-radius: 6px;
  background: transparent;
  color: #94a3b8;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}
.pvr__x:hover {
  background: rgb(255 255 255 / 0.08);
  color: #fff;
}
.pvr__stage {
  position: relative;
  flex: 1;
  min-height: 0;
  background: #000;
}
.pvr__viewer {
  width: 100%;
  height: 100%;
}
.pvr__loading,
.pvr__error {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  font-size: 0.9rem;
  color: #e2e8f0;
  background: rgb(0 0 0 / 0.35);
}
.pvr__loading[hidden],
.pvr__error[hidden],
.pvr__pip[hidden],
.pvr__scenes[hidden] {
  display: none !important;
}
.pvr__error {
  color: #fecaca;
}
.pvr__pip {
  position: absolute;
  left: 0.85rem;
  bottom: 4.25rem;
  max-width: min(12rem, 42vw);
  border-radius: 8px;
  overflow: hidden;
  background: rgb(15 23 42 / 0.82);
  border: 1px solid rgb(255 255 255 / 0.18);
  box-shadow: 0 8px 24px rgb(0 0 0 / 0.35);
  pointer-events: none;
}
.pvr__pip p {
  margin: 0;
  padding: 0.45rem 0.65rem;
  font-size: 0.75rem;
  color: #f1f5f9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pvr__scenes {
  position: absolute;
  left: 0.85rem;
  right: 0.85rem;
  bottom: 3.6rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
  pointer-events: none;
}
.scene-chip {
  pointer-events: auto;
  border: 1px solid rgb(255 255 255 / 0.25);
  border-radius: 999px;
  background: rgb(15 23 42 / 0.65);
  color: #e2e8f0;
  font: inherit;
  font-size: 0.72rem;
  padding: 0.25rem 0.65rem;
  cursor: pointer;
}
.scene-chip.on,
.scene-chip:hover {
  background: #7c3aed;
  border-color: #7c3aed;
  color: #fff;
}
.pvr__stage .psv-navbar {
  background: rgb(15 23 42 / 0.55);
  backdrop-filter: blur(6px);
}
.pvr__stage .psv-button {
  color: #fff;
}
.pvr__stage .psv-compass {
  margin: 0.65rem;
}
.vr-entry-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* —— 页头 —— */
.page-hero {
  position: relative;
  padding: 1.65rem 0 1.15rem;
  background:
    radial-gradient(ellipse 60% 80% at 100% 0%, rgba(6, 182, 212, 0.08), transparent 55%),
    radial-gradient(ellipse 50% 70% at 0% 0%, rgba(37, 99, 235, 0.08), transparent 50%),
    linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37, 99, 235, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 99, 235, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, black, transparent 85%);
  pointer-events: none;
}
.page-hero .container {
  position: relative;
}
.page-hero .eyebrow {
  margin: 0 0 0.45rem;
  color: var(--brand);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.page-hero h1 {
  margin: 0;
  font-size: clamp(1.55rem, 1.35rem + 0.7vw, 2rem);
  letter-spacing: -0.025em;
}
.page-hero p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  max-width: 46rem;
}
main.section {
  padding-top: 1.75rem;
}

/* —— Banner：跟页架同宽，高度由比例决定 —— */
.section--banner {
  padding: 0 !important;
  width: 100%;
  background: var(--banner-bg);
}
.section--banner .container {
  width: 100%;
  max-width: none;
  margin: 0;
  padding-inline: 0;
}
.carousel {
  position: relative;
  width: 100%;
  aspect-ratio: var(--banner-ratio);
  height: auto;
  max-height: none;
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
  border: 0;
  background: var(--banner-bg);
}
.carousel__track {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
  align-items: stretch;
}
.carousel__slide {
  flex: 0 0 100%;
  min-width: 100%;
  width: 100%;
  height: 100%;
  position: relative;
  line-height: 0;
  background: var(--banner-bg);
}
.carousel__slide img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center center;
  background: var(--banner-bg);
}
.carousel__dots {
  position: absolute;
  left: 50%;
  bottom: 1.05rem;
  transform: translateX(-50%);
  display: flex;
  gap: 0.4rem;
  z-index: 2;
}
.carousel__dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  padding: 0;
  transition: width 0.2s ease, background 0.2s ease;
}
.carousel__dots button.is-on {
  background: #fff;
  width: 22px;
  border-radius: 999px;
}
.carousel__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 50%;
  border: 0;
  background: rgba(255, 255, 255, 0.92);
  color: #0f172a;
  cursor: pointer;
  font-size: 1.1rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease;
}
.carousel__arrow:hover {
  transform: translateY(-50%) scale(1.05);
}
.carousel__arrow--prev {
  left: 0.9rem;
}
.carousel__arrow--next {
  right: 0.9rem;
}

/* —— 区块 —— */
.section {
  padding-block: var(--section-y);
  position: relative;
  width: 100%;
}
.section--soft {
  background:
    radial-gradient(ellipse 50% 80% at 0% 50%, rgba(37, 99, 235, 0.04), transparent 55%),
    var(--bg-soft);
  border-block: 1px solid var(--line);
}
.section__hd {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.section__hd .eyebrow {
  margin: 0 0 0.35rem;
  color: var(--brand);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.section__hd h2 {
  margin: 0;
  font-size: clamp(1.45rem, 1.2rem + 0.6vw, 1.85rem);
  letter-spacing: -0.02em;
  color: var(--text);
  position: relative;
}
.section__hd h2::after {
  content: "";
  display: block;
  width: 2.25rem;
  height: 3px;
  margin-top: 0.55rem;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
}
.section__hd p {
  margin: 0.45rem 0 0;
  color: var(--muted);
  font-size: 1rem;
}
.section__hd a {
  color: var(--brand-deep);
  font-weight: 700;
  font-size: 0.95rem;
  white-space: nowrap;
}
.section__hd a:hover {
  color: var(--brand-2);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(0.85rem, 1.5%, 1.35rem);
}
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.85rem, 1.5%, 1.35rem);
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.85rem, 1.5%, 1.35rem);
}
.grid-5 {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(0.75rem, 1.4%, 1.2rem);
}

.card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.3rem 1.25rem 1.2rem;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  opacity: 0.85;
}
.card--media {
  padding: 0 0 1.05rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}
.card--media::before,
.video-card::before {
  display: none;
}
.card__media {
  display: block;
  /* 与知识库产品/资讯/案例/品牌形象统一 750×750 */
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: linear-gradient(145deg, #e2e8f0, #f1f5f9);
  margin-bottom: 0;
  border-radius: var(--radius) var(--radius) 0 0;
}
.card__media--empty {
  background:
    radial-gradient(circle at 30% 30%, rgba(37, 99, 235, 0.12), transparent 55%),
    linear-gradient(145deg, #dbeafe, #e2e8f0);
}
.card__media img {
  width: 100%;
  height: 100%;
  /* 750×750 产品图完整展示，不裁切 */
  object-fit: contain;
  display: block;
  transition: transform 0.35s ease;
}
.news-card .card__media img {
  /* 资讯封面铺满卡片图区 */
  object-fit: cover;
  object-position: center;
}
.card-link:hover .card__media img,
.card--media:hover .card__media img {
  transform: scale(1.03);
}
.card__body {
  padding: 0 1.25rem;
}
.card--media .card__body {
  padding: 1rem 1.15rem 0.15rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.news-card .card__body {
  padding-bottom: 0.85rem;
}
.news-card h3 {
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card__time {
  margin-top: 0.15rem;
  color: #94a3b8;
  font-size: 0.78rem;
  font-weight: 550;
  letter-spacing: 0.01em;
}
.card:hover {
  border-color: #93c5fd;
  box-shadow: 0 16px 40px rgba(15, 53, 110, 0.1);
  transform: translateY(-3px);
}
.card h3 {
  margin: 0;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
  line-height: 1.35;
}
.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
/* 关于我们页：公司介绍全文展示，不受卡片摘要行数限制 */
.card--about-intro .rich-prose,
.card--about-intro .rich-prose p,
.about-stack > .card--about-intro p {
  display: block;
  -webkit-line-clamp: unset;
  -webkit-box-orient: unset;
  overflow: visible;
  max-height: none;
  white-space: normal;
  text-overflow: unset;
}
.card__points {
  margin: 0.15rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.35rem;
}
.card__points li {
  position: relative;
  padding-left: 0.95rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}
.card__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--brand);
}
.card__meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin-top: 0.95rem;
  font-size: 0.8rem;
  color: var(--brand-deep);
  font-weight: 700;
}
.card__meta span:last-child {
  color: var(--muted);
  font-weight: 500;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.9rem;
}
.chip {
  font-size: 0.74rem;
  padding: 0.22rem 0.55rem;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-deep);
  font-weight: 600;
  border: 1px solid #dbeafe;
}

.stat {
  text-align: center;
  padding: 1.35rem 0.85rem;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.stat::after {
  content: "";
  position: absolute;
  inset: auto 20% -40% 20%;
  height: 60%;
  background: radial-gradient(circle, var(--glow), transparent 70%);
  pointer-events: none;
}
.stat strong {
  position: relative;
  display: block;
  font-size: 1.75rem;
  color: var(--brand-deep);
  letter-spacing: -0.03em;
  font-weight: 800;
}
.stat span {
  position: relative;
  color: var(--muted);
  font-size: 0.85rem;
}

.highlight {
  padding: 1.25rem 1.25rem 1.2rem;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.highlight::before {
  content: "";
  position: absolute;
  left: 1.25rem;
  top: 1.25rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 0 0 4px var(--glow);
}
.highlight h3 {
  margin: 0 0 0.4rem 1.1rem;
  font-size: 1.02rem;
  color: var(--text);
}
.highlight p {
  margin: 0 0 0 1.1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.1rem;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.list-row:hover {
  border-color: #bfdbfe;
  box-shadow: var(--shadow);
}
.list-row + .list-row {
  margin-top: 0.7rem;
}
.list-row h3 {
  margin: 0 0 0.25rem;
  font-size: 1.1rem;
}
.list-row h3 a {
  color: inherit;
  text-decoration: none;
}
.list-row h3 a:hover {
  color: var(--accent, #0284c7);
  text-decoration: underline;
}
.list-row p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.list-row__side {
  text-align: right;
  color: var(--muted);
  font-size: 0.9rem;
  white-space: nowrap;
}

/* 资讯列表（常规网站样式） */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.news-list__item {
  display: grid;
  grid-template-columns: 9.5rem minmax(0, 1fr) auto;
  gap: 1rem 1.15rem;
  align-items: center;
  padding: 0.95rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.news-list__item:hover {
  border-color: #bfdbfe;
  box-shadow: var(--shadow);
}
.news-list__thumb {
  display: block;
  width: 9.5rem;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  background: #e2e8f0;
  flex-shrink: 0;
}
.news-list__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}
.news-list__thumb--empty {
  background:
    radial-gradient(circle at 30% 30%, rgba(37, 99, 235, 0.12), transparent 55%),
    linear-gradient(145deg, #dbeafe, #e2e8f0);
}
.news-list__main {
  min-width: 0;
}
.news-list__main h3 {
  margin: 0 0 0.35rem;
  font-size: 1.08rem;
  line-height: 1.4;
  font-weight: 750;
}
.news-list__main h3 a {
  color: inherit;
  text-decoration: none;
}
.news-list__main h3 a:hover {
  color: var(--brand-deep);
}
.news-list__main p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-list__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  color: #94a3b8;
  font-size: 0.82rem;
  white-space: nowrap;
}
.news-list__meta span {
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  background: #f1f5f9;
  color: #64748b;
  font-weight: 600;
}

.pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-top: 1.5rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}
.pager__tip {
  color: var(--muted);
  font-size: 0.88rem;
}
.pager__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}
.pager__btn,
.pager__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.1rem;
  height: 2.1rem;
  padding: 0 0.7rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 650;
  text-decoration: none;
}
.pager__btn:hover,
.pager__num:hover {
  border-color: #93c5fd;
  color: var(--brand-deep);
}
.pager__num.is-active {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
}
.pager__btn.is-disabled {
  opacity: 0.45;
  pointer-events: none;
}

/* 公司服务等：短简介、等高卡片 */
.card-grid--plain .card--media .card__body p {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.8em;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}
.card-grid--plain .card--media .card__body h3 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 1.05rem;
  line-height: 1.4;
  margin: 0;
}
.card-grid--plain .chips,
.card-grid--plain .card__points {
  display: none;
}
.article__crumb {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.85rem;
}
.article__crumb a {
  color: inherit;
}
.article__title {
  margin: 0 0 0.55rem;
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.25;
}
.article__meta {
  display: flex;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}
.article__summary {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 1.25rem;
}
.article-cover {
  margin: 0 0 1.25rem;
  border-radius: 12px;
  overflow: hidden;
  /* 资讯封面与知识库统一 750×750 */
  max-width: min(100%, 36rem);
  aspect-ratio: 1 / 1;
  background: #e2e8f0;
}
.article-cover img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.article__body {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text, #0f172a);
}
.article__body p {
  margin: 0 0 1rem;
}
.article__body img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}
.article__back {
  margin-top: 2rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.58rem 1.1rem;
  font-weight: 700;
  font-size: 0.85rem;
  border: 0;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn--primary {
  background: linear-gradient(90deg, var(--brand-deep), var(--brand-2));
  color: #fff;
  box-shadow: 0 8px 20px var(--glow);
}
.btn--primary:hover {
  transform: translateY(-1px);
}
.btn--ghost {
  background: #fff;
  color: var(--brand-deep);
  border: 1px solid #bfdbfe;
}

.contact-grid article {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.contact-grid article::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--brand), var(--brand-2));
}
.contact-grid span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  margin-bottom: 0.35rem;
  font-weight: 600;
}
.contact-grid strong {
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--text);
  word-break: break-word;
}

.about-panel {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1.25rem;
}
.about-side {
  border-radius: 20px;
  padding: 1.6rem;
  background:
    radial-gradient(circle at 90% 10%, rgba(6, 182, 212, 0.2), transparent 40%),
    linear-gradient(145deg, #eff6ff, #e0f2fe);
  border: 1px solid #dbeafe;
  display: flex;
  flex-direction: column;
  justify-content: end;
  min-height: 240px;
  position: relative;
  overflow: hidden;
}
.about-side::after {
  content: "";
  position: absolute;
  right: -15%;
  bottom: -25%;
  width: 70%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(37, 99, 235, 0.18);
  box-shadow: 0 0 0 20px rgba(37, 99, 235, 0.05);
}
.about-side strong {
  position: relative;
  font-size: 1.3rem;
  line-height: 1.4;
  letter-spacing: -0.02em;
}

/* 首页公司介绍：克制、留白、避免标签墙 */
.section--about-home {
  background:
    linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
  border-block: 1px solid #eef2f7;
}
.about-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(1.5rem, 3.5%, 3rem);
  align-items: center;
}
.about-intro__copy {
  min-width: 0;
  max-width: 38rem;
}
.about-intro__copy .eyebrow {
  margin: 0 0 0.55rem;
  color: var(--brand);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.about-intro__title {
  margin: 0 0 1.1rem;
  font-size: clamp(1.45rem, 1.25rem + 0.55vw, 1.85rem);
  letter-spacing: -0.02em;
  color: var(--text);
  position: relative;
  display: inline-block;
}
.about-intro__title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 2.2rem;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
}
.about-intro__text {
  margin: 1.15rem 0 0;
  color: #475569;
  font-size: 1.02rem;
  line-height: 1.85;
}
.about-intro__tags {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.55rem;
}
.about-intro__tags li {
  margin: 0;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: transparent;
  color: #334155;
  font-size: 0.84rem;
  font-weight: 550;
  line-height: 1.4;
  border: 1px solid #e2e8f0;
}
.about-intro__more {
  margin: 1.35rem 0 0;
}
.about-intro__more a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--brand-deep);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
}
.about-intro__more a::after {
  content: "→";
  transition: transform 0.15s ease;
}
.about-intro__more a:hover::after {
  transform: translateX(3px);
}
.chips--grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}
.chips--grid .chip {
  border-radius: 8px;
  text-align: center;
  padding: 0.45rem 0.4rem;
  font-size: 0.8rem;
  background: #eff6ff;
  color: #1e3a8a;
  border: 1px solid #dbeafe;
}
.about-visual {
  position: relative;
  border-radius: 20px;
  padding: 1.75rem 1.5rem;
  min-height: 280px;
  min-width: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.75rem;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.22), transparent 42%),
    linear-gradient(145deg, #1d4ed8 0%, #2563eb 45%, #06b6d4 100%);
  box-shadow: var(--shadow);
  background-size: cover;
  background-position: center;
}
/* 首页公司介绍：品牌形象 750×750，干净直角构图 */
.about-visual--square {
  padding: 0;
  min-height: 0;
  max-width: 28rem;
  margin-inline: auto;
  justify-self: end;
  width: 100%;
  color: inherit;
  background: #fff;
  border: 0;
  border-radius: 18px;
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 18px 40px rgba(15, 53, 110, 0.08);
  justify-content: flex-start;
  gap: 0;
}
.about-visual--square::before,
.about-visual--square::after {
  display: none;
}
.about-visual__frame {
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: #f1f5f9;
  border-radius: 18px;
}
.about-visual__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.about-brand {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  overflow: hidden;
  background: #f1f5f9;
}
.about-brand__track {
  display: flex;
  height: 100%;
  width: 100%;
  transition: transform 0.45s ease;
}
.about-brand__slide {
  flex: 0 0 100%;
  height: 100%;
}
.about-brand__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.about-brand__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 2rem;
  height: 2rem;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: #1e293b;
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
}
.about-brand__arrow--prev {
  left: 0.55rem;
}
.about-brand__arrow--next {
  right: 0.55rem;
}
.about-brand__dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.65rem;
  display: flex;
  justify-content: center;
  gap: 0.35rem;
  z-index: 2;
}
.about-brand__dots button {
  width: 0.45rem;
  height: 0.45rem;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  cursor: pointer;
}
.about-brand__dots button.is-on {
  background: #fff;
  width: 1rem;
}
.about-visual__meta {
  padding: 0.95rem 1.1rem 1.1rem;
  display: grid;
  gap: 0.45rem;
}
.about-visual--square .about-visual__badge {
  background: var(--brand-soft);
  border-color: #dbeafe;
  color: var(--brand-deep);
}
.about-visual--square .about-visual__title {
  color: var(--text);
  font-size: 1.15rem;
  max-width: none;
}
.about-visual--photo {
  background-color: #0f172a;
}
.about-visual--photo::before {
  background-image: none;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.15) 0%, rgba(15, 23, 42, 0.78) 100%);
  mask-image: none;
}
.about-visual--photo::after {
  display: none;
}
.about-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(160deg, black, transparent 75%);
  pointer-events: none;
}
.about-visual::after {
  content: "";
  position: absolute;
  right: -18%;
  top: -20%;
  width: 58%;
  aspect-ratio: 1;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: 0 0 0 22px rgba(255, 255, 255, 0.06);
  pointer-events: none;
}
.about-visual__badge,
.about-visual__title,
.about-visual__hotline {
  position: relative;
  z-index: 1;
}
.about-visual__badge {
  align-self: flex-start;
  margin: 0;
  padding: 0.28rem 0.75rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.35);
  font-size: 0.78rem;
  font-weight: 700;
}
.about-visual__title {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.35;
  letter-spacing: -0.02em;
  max-width: 14em;
}
.about-visual__hotline {
  margin: 0;
  display: inline-flex;
  align-self: flex-start;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  background: #f59e0b;
  color: #111827;
  font-weight: 800;
  font-size: 0.88rem;
}

.site-footer {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.95rem;
}
.site-footer__main {
  background: linear-gradient(180deg, #f7fafc 0%, #f1f5f9 100%);
  border-top: 1px solid var(--line);
  padding: 2.35rem 0 2rem;
}
.site-footer__grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.35rem;
  text-align: center;
}
.site-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.site-footer__brand .brand {
  margin-bottom: 0.55rem;
  max-width: none;
  justify-content: center;
}
.site-footer__name {
  display: block;
  margin: 0 0 0.85rem;
  color: var(--text);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1.45;
  text-decoration: none;
  white-space: normal;
  overflow: visible;
  text-overflow: unset;
  word-break: break-word;
  max-width: min(40rem, 92vw);
}
.site-footer__name:hover {
  color: var(--brand-deep);
}
.site-footer__contact {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  display: grid;
  gap: 0.45rem;
  justify-items: center;
}
.site-footer__contact li {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.55rem;
  align-items: baseline;
  justify-content: center;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--muted);
}
.site-footer__contact span {
  color: #94a3b8;
  font-weight: 600;
}
.site-footer__contact a,
.site-footer__contact em {
  color: var(--text);
  font-style: normal;
  font-weight: 500;
  word-break: break-word;
}
.site-footer__contact a:hover {
  color: var(--brand-deep);
}
.site-footer__nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  align-content: center;
  gap: 0.45rem 0.15rem;
  margin: 0;
  min-height: auto;
  padding-top: 0;
}
.site-footer__nav a {
  position: relative;
  padding: 0.2rem 0.7rem;
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
}
.site-footer__nav a:not(:last-child)::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 1px;
  height: 0.75em;
  transform: translateY(-50%);
  background: #cbd5e1;
}
.site-footer__nav a:hover {
  color: var(--brand-deep);
}
.site-footer__bar {
  background: #0f172a;
  color: rgba(255, 255, 255, 0.72);
  padding: 0.9rem 0;
  font-size: 0.78rem;
  text-align: center;
  letter-spacing: 0.01em;
}

.video-card .thumb {
  aspect-ratio: 16 / 9;
  height: auto;
  border-radius: 12px;
  background: #0f172a;
  margin: 0.75rem 0.75rem 0.8rem;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 1.5rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
  overflow: hidden;
  position: relative;
}
.video-card .thumb--empty {
  background:
    radial-gradient(circle at 70% 30%, rgba(255, 255, 255, 0.12), transparent 42%),
    linear-gradient(145deg, #1e293b, #0f172a);
}
.video-card .thumb--player {
  padding: 0;
  background: #0f172a;
}
.video-card .thumb--player video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #0f172a;
}
.video-card .thumb--cover img,
.video-card .thumb__poster,
.video-card .thumb__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}
.video-card .thumb--cover span,
.video-card .thumb--play .video-play-btn {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(15, 23, 42, 0.28);
  font-size: 1.6rem;
  border: 0;
  color: #fff;
  cursor: pointer;
  width: 100%;
  padding: 0;
  font: inherit;
}
.video-card .thumb--play {
  cursor: pointer;
}
.video-card .thumb--play .video-play-btn {
  background: transparent;
}
.video-card .thumb--play .video-play-btn::before {
  content: "▶";
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.55);
  font-size: 1.1rem;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}
.video-card .card__body {
  padding: 0 1.05rem 0.15rem;
}

/* 视频弹层：统一播放 + 全屏 */
.site-video-modal[hidden] {
  display: none !important;
}
.site-video-modal {
  position: fixed;
  inset: 0;
  z-index: 4200;
  display: grid;
  place-items: center;
  padding: 1.25rem;
}
.site-video-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(4px);
}
.site-video-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(960px, 96vw);
  background: #0b1220;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.site-video-modal__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.7rem 0.9rem;
  color: #e2e8f0;
  background: #111827;
}
.site-video-modal__bar strong {
  font-size: 0.95rem;
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.site-video-modal__actions {
  display: inline-flex;
  gap: 0.4rem;
  flex-shrink: 0;
}
.site-video-modal__fs,
.site-video-modal__close {
  border: 0;
  border-radius: 8px;
  padding: 0.35rem 0.7rem;
  font-size: 0.85rem;
  font-weight: 650;
  cursor: pointer;
  color: #e2e8f0;
  background: rgba(255, 255, 255, 0.08);
}
.site-video-modal__fs:hover,
.site-video-modal__close:hover {
  background: rgba(255, 255, 255, 0.16);
}
.site-video-modal__close {
  font-size: 1.15rem;
  line-height: 1;
  padding-inline: 0.55rem;
}
.site-video-modal__dialog video {
  display: block;
  width: 100%;
  max-height: min(72vh, 540px);
  background: #000;
  vertical-align: top;
}
body.is-video-open {
  overflow: hidden;
}
.pdf-icon {
  width: 2.55rem;
  height: 2.55rem;
  border-radius: 11px;
  background: linear-gradient(145deg, #fee2e2, #fecaca);
  color: #dc2626;
  display: grid;
  place-items: center;
  font-weight: 800;
  flex-shrink: 0;
  font-size: 0.72rem;
  border: 1px solid #fecaca;
}

.mobile-nav-toggle {
  display: none;
  flex-shrink: 0;
}

/* JS 实测顶栏放不下时强制收起（覆盖缩小比例/超长公司名等媒体查询失灵场景） */
.site-header.is-nav-compact .mobile-nav-toggle {
  display: inline-flex;
}
.site-header.is-nav-compact .brand {
  flex: 1 1 auto;
  min-width: 0;
  max-width: none;
}
.site-header.is-nav-compact .brand__name,
.site-header.is-nav-compact .brand > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.site-header.is-nav-compact .nav {
  display: none;
}
.site-header.is-nav-compact .nav.is-open {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 1.25rem 1rem;
  flex-direction: column;
  gap: 0.15rem;
  border-radius: 0;
  box-shadow: var(--shadow);
  z-index: 40;
  align-items: stretch;
  max-width: none;
  overflow: visible;
  margin-inline: 0;
}
.site-header.is-nav-compact .nav.is-open a {
  padding: 0.7rem 0.85rem;
}
.site-header.is-nav-compact .nav.is-open a.is-active::after {
  left: 0.85rem;
  right: auto;
  width: 1.5rem;
  bottom: 0.45rem;
}
.site-header.is-nav-compact .nav.is-open .nav-dd {
  width: 100%;
}
.site-header.is-nav-compact .nav.is-open .nav-dd__btn {
  width: 100%;
  justify-content: flex-start;
  padding: 0.7rem 0.85rem;
}
.site-header.is-nav-compact .nav.is-open .nav-dd__menu {
  position: static;
  transform: none;
  box-shadow: none;
  border: 0;
  border-radius: 0;
  padding: 0 0 0.35rem 0.85rem;
  min-width: 0;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}
.site-header.is-nav-compact .nav.is-open .nav-dd.is-open .nav-dd__menu,
.site-header.is-nav-compact .nav.is-open .nav-dd:focus-within .nav-dd__menu {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}
.site-header.is-nav-compact .header-phone__num {
  display: none;
}
.site-header.is-nav-compact .header-tools {
  margin-left: 0;
}

/* 内容栏变窄（含浏览器缩小比例）时收起导航，避免公司全称与菜单重叠 */
@container site (max-width: 1280px) {
  .mobile-nav-toggle {
    display: inline-flex;
  }
  .brand {
    flex: 1 1 auto;
    min-width: 0;
    max-width: none;
  }
  .brand__name,
  .brand > span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .nav {
    display: none;
  }
  .nav.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 1.25rem 1rem;
    flex-direction: column;
    gap: 0.15rem;
    border-radius: 0;
    box-shadow: var(--shadow);
    z-index: 40;
    align-items: stretch;
    max-width: none;
    overflow: visible;
    margin-inline: 0;
  }
  .nav.is-open a {
    padding: 0.7rem 0.85rem;
  }
  .nav.is-open a.is-active::after {
    left: 0.85rem;
    right: auto;
    width: 1.5rem;
    bottom: 0.45rem;
  }
  .nav.is-open .nav-dd {
    width: 100%;
  }
  .nav.is-open .nav-dd__btn {
    width: 100%;
    justify-content: flex-start;
    padding: 0.7rem 0.85rem;
  }
  .nav.is-open .nav-dd__menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: 0;
    border-radius: 0;
    padding: 0 0 0.35rem 0.85rem;
    min-width: 0;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
  }
  .nav.is-open .nav-dd.is-open .nav-dd__menu,
  .nav.is-open .nav-dd:focus-within .nav-dd__menu {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }
  .header-phone__num {
    display: none;
  }
  .header-tools {
    margin-left: 0;
  }
}

@media (max-width: 1280px) {
  .mobile-nav-toggle {
    display: inline-flex;
  }
  :root {
    --page-inline: 1rem;
  }
  .brand {
    flex: 1 1 auto;
    min-width: 0;
    max-width: none;
  }
  .brand__name,
  .brand > span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .nav {
    display: none;
  }
  .nav.is-open {
    display: flex;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 0.75rem 1.25rem 1rem;
    flex-direction: column;
    gap: 0.15rem;
    border-radius: 0;
    box-shadow: var(--shadow);
    z-index: 40;
    align-items: stretch;
    max-width: none;
    overflow: visible;
    margin-inline: 0;
  }
  .nav.is-open a {
    padding: 0.7rem 0.85rem;
  }
  .nav.is-open a.is-active::after {
    left: 0.85rem;
    right: auto;
    width: 1.5rem;
    bottom: 0.45rem;
  }
  .nav.is-open .nav-dd {
    width: 100%;
  }
  .nav.is-open .nav-dd__btn {
    width: 100%;
    justify-content: flex-start;
    padding: 0.7rem 0.85rem;
  }
  .nav.is-open .nav-dd__menu {
    position: static;
    transform: none;
    box-shadow: none;
    border: 0;
    border-radius: 0;
    padding: 0 0 0.35rem 0.85rem;
    min-width: 0;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
  }
  .nav.is-open .nav-dd.is-open .nav-dd__menu,
  .nav.is-open .nav-dd:focus-within .nav-dd__menu {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }
  .header-phone__num {
    display: none;
  }
  .header-tools {
    margin-left: auto;
  }
  .pvr {
    padding: 0;
  }
  .pvr__panel {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
  }
  .grid-2,
  .grid-3,
  .grid-4,
  .grid-5,
  .about-panel,
  .about-intro {
    grid-template-columns: 1fr;
  }
  .about-visual--square {
    justify-self: stretch;
    max-width: none;
  }
  .chips--grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
  .site-footer__nav {
    justify-content: center;
  }
}
/* —— 生产补充：空态 / FAB / 维护页 —— */
.empty-state {
  text-align: center;
  padding: 2.75rem 1.5rem;
  border: 1px dashed #c7d7ea;
  border-radius: var(--radius);
  background:
    radial-gradient(ellipse 70% 60% at 50% 0%, rgba(37, 99, 235, 0.05), transparent 60%),
    #fff;
}
.empty-state__icon {
  font-size: 1.35rem;
  margin-bottom: 0.45rem;
  opacity: 0.55;
  letter-spacing: 0.08em;
}
.empty-state__title {
  margin: 0;
  font-weight: 750;
  font-size: 1rem;
  color: var(--text);
}
.empty-state__text {
  margin: 0.4rem 0 0;
  color: var(--muted);
  font-size: 0.875rem;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.15rem;
  align-items: stretch;
}
.card-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.card-grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.card-grid--5 {
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}
.card-link {
  display: block;
  color: inherit;
  text-decoration: none;
  height: 100%;
}
.card-link .card {
  height: 100%;
}
.list-row--media {
  align-items: stretch;
}
.list-row__thumb {
  display: block;
  width: 7.5rem;
  min-width: 7.5rem;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  background: #e2e8f0;
  flex-shrink: 0;
  align-self: center;
}
.list-row__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.list-row--media > div:not(.list-row__side) {
  flex: 1;
  min-width: 0;
}
.media-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.media-tile {
  display: block;
  color: inherit;
  text-decoration: none;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.media-tile img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  background: #e2e8f0;
}
.media-tile figcaption {
  padding: 0.7rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}
.facts-card,
.about-stack > .card,
.about-stack > .facts-card,
.about-stack > .subsection {
  margin-bottom: 1rem;
}
.facts-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem;
  box-shadow: var(--shadow-sm);
}
.facts-card h3 {
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
}
.facts-table {
  width: 100%;
  border-collapse: collapse;
}
.facts-table th,
.facts-table td {
  padding: 0.55rem 0.35rem;
  border-bottom: 1px solid #eef2f7;
  text-align: left;
  vertical-align: top;
  font-size: 0.9rem;
}
.facts-table th {
  width: 9.5rem;
  color: var(--muted);
  font-weight: 600;
  white-space: nowrap;
}
.subsection__title {
  margin: 0.35rem 0 0.85rem;
  font-size: 1.05rem;
}
.site-footer__friends {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  align-items: center;
  justify-content: center;
  margin-top: 1.1rem;
  padding-top: 0.95rem;
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  font-size: 0.84rem;
}
.site-footer__friends > span {
  color: var(--muted);
  font-weight: 600;
}
.site-footer__friends a {
  color: var(--brand-deep);
}
.site-footer__cities {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  align-items: center;
  justify-content: center;
  margin-top: 1.1rem;
  padding-top: 0.95rem;
  border-top: 1px solid rgba(148, 163, 184, 0.35);
  font-size: 0.84rem;
}
.site-footer__cities > span {
  color: var(--muted);
  font-weight: 600;
}
.site-footer__cities a {
  color: var(--brand-deep);
}
.city-crumb {
  margin: 0 0 1rem;
  font-size: 0.88rem;
  color: var(--muted);
}
.city-crumb a {
  color: var(--brand-deep);
  text-decoration: none;
}
.city-crumb a:hover {
  text-decoration: underline;
}
.city-crumb__sep {
  margin: 0 0.35rem;
  opacity: 0.55;
}
.fab-agent {
  position: relative;
  z-index: 41;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.5rem 1.05rem 0.5rem 0.5rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid #bfdbfe;
  box-shadow: 0 14px 36px rgba(15, 53, 110, 0.16);
  text-decoration: none;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  backdrop-filter: blur(8px);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.fab-agent:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(37, 99, 235, 0.22);
}
.fab-agent__avatar {
  position: relative;
  width: 2.55rem;
  height: 2.55rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--brand-deep), var(--brand-2));
  color: #fff;
  font-weight: 800;
  box-shadow:
    0 0 0 3px #fff,
    0 0 0 5px #dbeafe;
}
.fab-agent__dot {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #22c55e;
  border: 2px solid #fff;
  font-style: normal;
}
.fab-agent__name {
  display: block;
  font-size: 0.88rem;
  font-weight: 750;
  letter-spacing: -0.01em;
}
.fab-agent__role {
  display: block;
  margin-top: 0.08rem;
  font-size: 0.72rem;
  color: var(--brand-deep);
  font-weight: 650;
}
.site-chat {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
}
.site-chat__panel {
  width: min(22.5rem, calc(100vw - 1.5rem));
  height: min(32rem, calc(100vh - 7rem));
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
  border: 1px solid #dbeafe;
  box-shadow: 0 22px 50px rgba(15, 53, 110, 0.22);
  animation: site-chat-in 0.22s ease;
}
.site-chat__panel[hidden] {
  display: none !important;
}
@keyframes site-chat-in {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: none;
  }
}
.site-chat__head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.85rem 0.9rem;
  background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
  color: #fff;
}
.site-chat__avatar {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(255, 255, 255, 0.2);
  font-weight: 800;
  flex-shrink: 0;
}
.site-chat__meta {
  flex: 1;
  min-width: 0;
}
.site-chat__meta strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 750;
}
.site-chat__meta span {
  display: block;
  margin-top: 0.1rem;
  font-size: 0.72rem;
  opacity: 0.9;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.site-chat__close {
  width: 2rem;
  height: 2rem;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}
.site-chat__close:hover {
  background: rgba(255, 255, 255, 0.28);
}
.site-chat__msgs {
  flex: 1;
  overflow: auto;
  padding: 0.9rem 0.85rem;
  background:
    radial-gradient(ellipse 80% 50% at 100% 0%, rgba(37, 99, 235, 0.06), transparent 55%),
    #f8fafc;
}
.site-chat__row {
  display: flex;
  margin-bottom: 0.7rem;
}
.site-chat__row--user {
  justify-content: flex-end;
}
.site-chat__row--assistant {
  justify-content: flex-start;
}
.site-chat__bubble {
  max-width: 85%;
  padding: 0.65rem 0.8rem;
  border-radius: 14px;
  font-size: 0.875rem;
  line-height: 1.55;
  word-break: break-word;
}
.site-chat__row--user .site-chat__bubble {
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.site-chat__row--assistant .site-chat__bubble {
  background: #fff;
  color: #0f172a;
  border: 1px solid #e2e8f0;
  border-bottom-left-radius: 4px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
}
.site-chat__bubble--typing {
  color: #64748b;
  font-style: italic;
}
.site-chat__form {
  display: flex;
  gap: 0.45rem;
  padding: 0.7rem 0.75rem 0.8rem;
  border-top: 1px solid #e2e8f0;
  background: #fff;
}
.site-chat__input {
  flex: 1;
  min-width: 0;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  padding: 0.55rem 0.9rem;
  font: inherit;
  font-size: 0.875rem;
  outline: none;
}
.site-chat__input:focus {
  border-color: #60a5fa;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.site-chat__send {
  border: 0;
  border-radius: 999px;
  padding: 0.55rem 1rem;
  background: linear-gradient(135deg, #1d4ed8, #0ea5e9);
  color: #fff;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 650;
  cursor: pointer;
  white-space: nowrap;
}
.site-chat__send:hover {
  filter: brightness(1.05);
}
.site-chat__send:disabled,
.site-chat__input:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}
@media (max-width: 640px) {
  .site-chat {
    right: 0.75rem;
    bottom: 0.75rem;
    left: 0.75rem;
    align-items: stretch;
  }
  .fab-agent {
    align-self: flex-end;
  }
  .site-chat__panel {
    width: 100%;
    height: min(70vh, 32rem);
  }
}
.maintenance {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(37, 99, 235, 0.08), transparent 55%),
    #f8fafc;
}
.maintenance__inner {
  text-align: center;
  max-width: 28rem;
  padding: 2rem;
}
.maintenance__title {
  margin: 0.5rem 0;
  font-size: 1.5rem;
}
.maintenance__text {
  color: var(--muted);
}
.rich-prose {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
}
.rich-prose p {
  margin: 0 0 0.75rem;
}
.rich-prose .kb-rt-fig {
  display: inline-block;
  vertical-align: top;
  max-width: 100%;
  margin: 0.35em 0.45em 0.35em 0;
}
.rich-prose .kb-rt-fig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}
.rich-prose .kb-rt-fig__handle {
  display: none;
}
@media (max-width: 900px) {
  .card-grid,
  .card-grid--2,
  .media-gallery,
  .grid-3,
  .grid-5 {
    grid-template-columns: 1fr;
  }
  .list-row,
  .list-row--media,
  .news-list__item {
    flex-direction: column;
    align-items: stretch;
    grid-template-columns: 1fr;
  }
  .list-row__thumb,
  .news-list__thumb {
    width: 100%;
    min-width: 0;
    aspect-ratio: 16 / 9;
    max-width: 22rem;
  }
  .news-list__meta {
    align-items: flex-start;
    flex-direction: row;
    gap: 0.55rem;
  }
  .pager {
    flex-direction: column;
    align-items: flex-start;
  }
  .card-grid--4,
  .card-grid--5 {
    grid-template-columns: 1fr;
  }
  .list-row__side {
    text-align: left;
  }
  .facts-table th {
    width: 6.5rem;
  }
}

@media (min-width: 901px) and (max-width: 1200px) {
  .card-grid--5,
  .grid-5 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}