/* 微渺医疗科技 — 轻奢未来科技门户 UI v2 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&display=swap');

:root {
  /* 品牌色 */
  --c-primary: #0B1F3A;
  --c-secondary: #244A8C;
  --c-accent: #2EB8DC;
  --c-accent-light: #6AD4EE;

  /* 高端表面色 — 冷调珍珠白，替代扁平灰 */
  --c-page: #FAFCFE;
  --c-surface: #FFFFFF;
  --c-surface-alt: #F4F8FB;
  --c-surface-muted: rgba(11, 31, 58, 0.035);
  --c-inset: #FFFFFF;

  --c-silver: #738196;
  --c-dark: #152032;
  --c-white: #FFFFFF;
  --c-mist: var(--c-surface-alt);

  /* 语义映射 */
  --primary: var(--c-primary);
  --primary-light: var(--c-secondary);
  --accent: var(--c-accent);
  --bg-base: var(--c-page);
  --bg-surface: var(--c-surface);
  --bg-elevated: var(--c-surface);
  --bg-alt: var(--c-surface-alt);

  --border-subtle: rgba(11, 31, 58, 0.06);
  --border-soft: rgba(11, 31, 58, 0.10);
  --border-accent: rgba(46, 184, 220, 0.28);

  --gray-100: rgba(11, 31, 58, 0.07);
  --gray-200: rgba(11, 31, 58, 0.11);
  --gray-500: var(--c-silver);
  --gray-700: #445268;
  --gray-900: var(--c-dark);
  --white: var(--c-white);

  /* 渐变 — 区块分层 */
  --gradient-page: linear-gradient(180deg, #FCFDFE 0%, #F7FAFD 100%);
  --gradient-section-alt: linear-gradient(180deg, #F9FBFD 0%, #F2F6FA 50%, #F9FBFD 100%);
  --gradient-media-well:
    radial-gradient(ellipse 88% 72% at 50% 12%, rgba(46, 184, 220, 0.05) 0%, transparent 58%),
    linear-gradient(180deg, #FFFFFF 0%, #F8FAFD 100%);
  --gradient-media-spotlight:
    radial-gradient(ellipse 70% 55% at 50% 18%, rgba(46, 184, 220, 0.07) 0%, transparent 62%),
    linear-gradient(165deg, #FFFFFF 0%, #F6FAFD 100%);

  /* 投影 — 藏蓝微 tint */
  --shadow-sm: 0 1px 2px rgba(11, 31, 58, 0.04), 0 4px 14px rgba(11, 31, 58, 0.03);
  --shadow-md: 0 4px 16px rgba(11, 31, 58, 0.05), 0 12px 32px rgba(11, 31, 58, 0.04);
  --shadow-card: 0 2px 6px rgba(11, 31, 58, 0.03), 0 8px 28px rgba(11, 31, 58, 0.05);
  --shadow-card-hover: 0 8px 24px rgba(11, 31, 58, 0.06), 0 20px 52px rgba(36, 74, 140, 0.07);
  --shadow-lg: var(--shadow-card-hover);

  /* 布局 — 基准 90% 视觉密度（等同浏览器 90% 缩放） */
  --ui-scale: 0.9;

  /* 圆角 */
  --radius: calc(14px * var(--ui-scale));
  --radius-sm: calc(8px * var(--ui-scale));
  --radius-card: calc(14px * var(--ui-scale));
  --radius-btn: calc(8px * var(--ui-scale));
  --radius-pill: 999px;

  --header-h: calc(52px * var(--ui-scale));
  --max-w: calc(1320px * var(--ui-scale));
  --section-py: calc(32px * var(--ui-scale));
  --grid-gap: calc(14px * var(--ui-scale));
  --transition: 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
  --font: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;

  /* 字体层级 */
  --text-h1: clamp(1.5rem, 2.4vw, 2.125rem);
  --text-h2: clamp(1.125rem, 1.55vw, 1.3125rem);
  --text-h3: 0.84375rem;
  --text-body: 0.8125rem;
  --text-caption: 0.8rem;

  --banner-ratio: 1900 / 400;
  --banner-ratio-home: 1900 / 300;
  --banner-max-h: calc(400px * var(--ui-scale));
  --research-ratio: 645 / 363;
  --card-ratio-compact: 2 / 1;
  --accent-soft: rgba(46, 184, 220, 0.08);
}

@media (min-width: 1920px) {
  :root {
    --max-w: calc(1320px * var(--ui-scale));
    --section-py: calc(50px * var(--ui-scale));
    --grid-gap: calc(18px * var(--ui-scale));
  }
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: calc(16px * var(--ui-scale));
}

body {
  font-family: var(--font);
  font-size: var(--text-body);
  color: var(--gray-700);
  line-height: 1.75;
  background-color: var(--c-page);
  background-image: var(--gradient-page);
  background-attachment: fixed;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition), opacity var(--transition);
  cursor: pointer;
}

ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 3vw, 48px);
}

.container--wide {
  max-width: var(--max-w);
}

/* ─── Section ─── */
.section {
  padding: var(--section-py) 0;
  position: relative;
  background: var(--c-surface);
}

.section[id] {
  scroll-margin-top: calc(var(--header-h) + 12px);
}

.section--alt,
.section--gray,
.section--mist {
  background-color: var(--c-surface-alt);
  background-image: var(--gradient-section-alt);
}

.section--alt::before,
.section--gray::before,
.section--mist::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.9) 20%, rgba(255, 255, 255, 0.9) 80%, transparent);
  pointer-events: none;
}

.section-compact { padding: calc(56px * var(--ui-scale)) 0; }
.section-compact .section-header .desc { display: none; }

.section-header {
  margin-bottom: calc(20px * var(--ui-scale));
  max-width: none;
}

.page-home .section-header .desc { display: none; }

.section-header h2 {
  font-size: clamp(1rem, 1.3vw, 1.1875rem);
  font-weight: 600;
  color: var(--c-dark);
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.section-header .subtitle {
  margin-bottom: 6px;
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--c-silver);
}

.section-header .divider { display: none; }

.section-header p.desc {
  margin-top: 8px;
  font-size: var(--text-body);
  color: var(--c-silver);
  line-height: 1.7;
  max-width: 520px;
}

.section-footer {
  margin-top: calc(20px * var(--ui-scale));
  display: flex;
  justify-content: center;
}

.view-all-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease;
}

.view-all-link__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--gray-100);
  font-size: 0.875rem;
  line-height: 1;
  color: var(--c-secondary);
  background: var(--c-white);
  transition:
    border-color 0.3s ease,
    background 0.3s ease,
    color 0.3s ease,
    transform 0.3s ease;
}

.view-all-link:hover .view-all-link__arrow {
  border-color: rgba(54, 194, 232, 0.35);
  background: rgba(54, 194, 232, 0.06);
  color: var(--c-accent);
  transform: translateX(3px);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ─── Scroll reveal ─── */
.section > .container {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.1, 0.25, 1),
    transform 0.8s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.section > .container.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .section > .container {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .banner-slide.active .banner-content {
    animation: none;
  }
}

.section-header--desc-only { margin-bottom: 32px; }
.section-header--desc-only p.desc { margin-top: 0; }

/* ─── Header — Apple 式浅色磨砂 ─── */
#site-header { position: relative; z-index: 1000; }

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 16px;
}

.header-brand { flex-shrink: 0; }

.logo { display: flex; align-items: center; line-height: 0; }

.logo-img {
  height: calc(36px * var(--ui-scale));
  width: auto;
  max-width: min(140px, 34vw);
  aspect-ratio: 1917 / 537;
  object-fit: contain;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.nav-desktop a {
  position: relative;
  padding: 6px 10px;
  font-size: var(--text-caption);
  font-weight: 400;
  color: var(--c-dark);
  opacity: 0.72;
  white-space: nowrap;
}

.nav-desktop a:hover {
  opacity: 1;
  color: var(--c-secondary);
  background: transparent;
}

.nav-desktop a.active {
  opacity: 1;
  font-weight: 600;
  color: var(--c-secondary);
  background: transparent;
}

.nav-desktop a.active::after {
  content: '';
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 2px;
  height: 2px;
  background: var(--c-accent);
  border-radius: 1px;
}

.header-actions {
  display: flex;
  align-items: center;
  margin-left: 8px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: var(--c-dark);
  transition: var(--transition);
}

.nav-mobile {
  visibility: hidden;
  pointer-events: none;
  position: fixed;
  top: var(--header-h); left: 0; right: 0; bottom: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  padding: 16px clamp(20px, 3vw, 48px);
  z-index: 999;
  overflow-y: auto;
}

.nav-mobile.open { visibility: visible; pointer-events: auto; }

.nav-mobile a {
  display: block;
  padding: 12px 0;
  font-size: var(--text-body);
  color: var(--c-dark);
  border-bottom: 1px solid var(--gray-100);
}

.nav-mobile a.active { color: var(--c-secondary); font-weight: 500; }

/* ─── Hero Banner ─── */
.hero-banner {
  position: relative;
  overflow: hidden;
  background: var(--c-primary);
  -webkit-user-select: none;
  user-select: none;
}

.hero-banner img {
  -webkit-user-drag: none;
  user-drag: none;
}

.banner-slider {
  position: relative;
  width: 100%;
  aspect-ratio: var(--banner-ratio);
  min-height: 0;
  max-height: var(--banner-max-h);
}

.banner-bgs {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--c-primary);
}

.banner-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  object-position: center;
  opacity: 0;
  transition: opacity 0.9s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.banner-bg.active {
  opacity: 1;
}

.banner-bg-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(15, 36, 72, 0.72) 0%, rgba(15, 36, 72, 0.42) 38%, rgba(15, 36, 72, 0.12) 72%, transparent 100%);
  pointer-events: none;
}

.banner-inner {
  position: absolute;
  inset: 0;
  z-index: 2;
  padding-top: calc(36px * var(--ui-scale));
  padding-bottom: calc(36px * var(--ui-scale));
  display: flex;
  align-items: center;
}

.banner-slides {
  position: relative;
  width: 100%;
  max-width: 640px;
  height: 100%;
  min-height: 0;
  padding: 0;
  transform: none;
}

.banner-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.9s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  pointer-events: none;
}

.banner-slide.active { opacity: 1; z-index: 1; pointer-events: auto; }

.banner-kicker {
  display: block;
  margin-bottom: 12px;
  font-size: var(--text-caption);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(54, 194, 232, 1);
}

.banner-content h1 {
  font-size: var(--text-h1);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--c-white);
  margin-bottom: 14px;
  max-width: 16ch;
}

.banner-content p {
  font-size: var(--text-body);
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.7;
  max-width: 440px;
  margin-bottom: 24px;
}

.banner-actions { display: flex; gap: 10px; }

.hero-banner .btn--primary {
  background: var(--c-white);
  color: var(--c-primary);
  border-color: var(--c-white);
  font-weight: 500;
}

.banner-slide.active .banner-content {
  animation: fadeUp 0.85s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.banner-dots {
  position: absolute;
  bottom: 22px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 3;
}

.banner-dots button {
  width: 24px;
  height: 2px;
  border: none;
  background: rgba(255, 255, 255, 0.28);
  cursor: pointer;
  padding: 0;
  border-radius: 1px;
  transition: width 0.4s cubic-bezier(0.25, 0.1, 0.25, 1), background 0.4s ease;
}

.banner-dots button.active {
  background: var(--c-white);
  width: 32px;
}

.banner-arrows { display: none; }

/* ─── 首页 · Banner / 业务 / 研发 紧凑化 ─── */
.page-home .banner-slider {
  aspect-ratio: var(--banner-ratio-home);
  max-height: min(30vw, calc(280px * var(--ui-scale)));
}

.page-home .banner-inner {
  padding-bottom: calc(22px * var(--ui-scale));
}

.page-home .banner-kicker {
  margin-bottom: 8px;
  font-size: 0.6875rem;
}

.page-home .banner-content h1 {
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  margin-bottom: 10px;
  max-width: 14ch;
}

.page-home .banner-content p {
  font-size: 0.8125rem;
  line-height: 1.65;
  max-width: 380px;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-home .hero-banner .btn--primary {
  padding: 8px 18px;
  font-size: 0.8125rem;
}

.page-home #business,
.page-home #research {
  padding-top: calc(32px * var(--ui-scale));
  padding-bottom: calc(32px * var(--ui-scale));
}

.page-home #business .section-header,
.page-home #research .section-header {
  margin-bottom: 16px;
}

.page-home #business .business-grid,
.page-home #research .research-grid {
  gap: 14px;
}

.page-home #business .business-card,
.page-home #research .research-card {
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.page-home #business .business-card:hover,
.page-home #research .research-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.page-home #business .business-card__media,
.page-home #research .research-card__media {
  aspect-ratio: var(--card-ratio-compact);
}

.page-home #business .business-card__media::after,
.page-home #research .research-card__media::after {
  display: none;
}

.page-home #business .business-card:hover .business-card__media img,
.page-home #research .research-card:hover .research-card__media img {
  transform: scale(1.02);
}

.page-home #business .business-card__body,
.page-home #research .research-card__body {
  padding: 12px 14px 14px;
}

.page-home #business .business-card__body h3,
.page-home #research .research-card__body h3 {
  font-size: 0.8125rem;
  margin-bottom: 4px;
  line-height: 1.4;
}

.page-home #business .business-card__body p,
.page-home #research .research-card__body p {
  font-size: 0.75rem;
  line-height: 1.6;
  -webkit-line-clamp: 2;
}

.page-home #business .section-footer,
.page-home #research .section-footer {
  margin-top: 14px;
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  font-family: inherit;
  font-size: var(--text-caption);
  font-weight: 600;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn--primary {
  background: var(--c-primary);
  color: var(--c-white);
  border-color: var(--c-primary);
}

.btn--primary:hover {
  background: var(--c-secondary);
  border-color: var(--c-secondary);
  box-shadow: var(--shadow-sm);
}

.btn--outline {
  background: var(--c-white);
  color: var(--c-secondary);
  border-color: var(--c-secondary);
}

.btn--outline:hover {
  background: rgba(42, 75, 140, 0.04);
  box-shadow: var(--shadow-sm);
}

.btn--ghost {
  background: transparent;
  color: var(--c-white);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.55);
}

.btn--text {
  background: none;
  border: none;
  padding: 8px 0;
  color: var(--c-secondary);
  font-weight: 500;
  transition: color 0.35s ease, opacity 0.35s ease;
}

.btn--text:hover {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.btn--sm { padding: 8px 16px; font-size: 0.75rem; margin-top: 12px; }

/* ─── Cards & Grid ─── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.grid-3--wide { max-width: none; margin: 0; }

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
}

.card {
  background: var(--c-white);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--gray-100);
  box-shadow: none;
  transition: border-color 0.45s cubic-bezier(0.25, 0.1, 0.25, 1),
    box-shadow 0.45s cubic-bezier(0.25, 0.1, 0.25, 1),
    transform 0.45s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.card:hover {
  border-color: var(--gray-200);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.card-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--gradient-media-well);
  border-bottom: 1px solid var(--border-subtle);
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card:hover .card-img img { transform: none; }

.card-body { padding: 12px 14px 14px; }

.card-body h3 {
  font-size: var(--text-h3);
  font-weight: 500;
  color: var(--c-dark);
  margin-bottom: 4px;
  line-height: 1.4;
}

.card-body p {
  font-size: var(--text-caption);
  color: var(--c-silver);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tag {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
}

/* ─── About ─── */
.about-panel {
  display: grid;
  grid-template-columns: minmax(200px, 260px) 1fr;
  gap: 32px;
  align-items: start;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.about-intro--split {
  grid-template-columns: minmax(220px, 300px) 1fr;
  gap: clamp(32px, 4vw, 48px);
}

.about-intro--split .about-intro-img {
  border-radius: var(--radius-card);
}

.about-intro-img {
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--gradient-media-well);
  border: 1px solid var(--border-subtle);
}

.about-intro-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-intro-text p {
  margin-bottom: 14px;
  font-size: var(--text-body);
  color: var(--c-silver);
  line-height: 1.85;
}

.about-intro-text p:last-child { margin-bottom: 0; }

.about-intro--compact.about-panel {
  grid-template-columns: 160px 1fr;
  gap: 20px;
}

.about-intro--compact .about-intro-img { max-height: 100px; }

.about-intro--compact .about-intro-text p {
  font-size: var(--text-caption);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--grid-gap);
  margin-top: 40px;
}

/* ─── 首页 · 简介 + 资讯双栏 ─── */
.home-dual {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(40px, 5.5vw, 72px);
  align-items: start;
}

.home-dual__col {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.section-header--compact {
  margin-bottom: 16px;
}

.section-header--compact .subtitle {
  margin-bottom: 4px;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-header--compact h2 {
  font-size: clamp(1.125rem, 1.45vw, 1.3125rem);
  font-weight: 600;
}

/* ─── About · 首段环绕，其余段落独立一行 ─── */
.about-panel.about-intro--lead-wrap {
  display: block;
}

.about-intro--lead-wrap .about-intro-lead::after {
  content: '';
  display: block;
  clear: both;
}

.about-intro--lead-wrap .about-intro-img {
  float: left;
  width: 96px;
  height: 96px;
  aspect-ratio: 1;
  max-height: none;
  margin: 0 16px 8px 0;
  border-radius: 12px;
  border: 1px solid var(--gray-100);
  box-shadow: none;
}

.about-intro--lead-wrap .about-intro-lead > p,
.about-intro--lead-wrap .about-intro-text > p {
  margin-bottom: 14px;
  font-size: var(--text-body);
  color: var(--c-silver);
  line-height: 1.85;
}

.about-intro--lead-wrap .about-intro-text > p {
  margin-top: 4px;
}

.about-intro--lead-wrap .about-intro-text > p:last-child {
  margin-bottom: 0;
}

/* 首页双栏 · 小图紧凑 */
.page-home .home-dual .about-intro--lead-wrap .about-intro-img {
  width: 96px;
  height: 96px;
  aspect-ratio: 1;
  margin: 0 16px 8px 0;
  border-radius: 12px;
}

.page-home .home-dual .about-intro--lead-wrap .about-intro-lead > p,
.page-home .home-dual .about-intro--lead-wrap .about-intro-text > p {
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--gray-700);
  margin-bottom: 8px;
}

.page-home .home-dual .about-intro--lead-wrap .about-intro-text > p {
  margin-top: 2px;
}

.page-home .home-dual .about-intro--lead-wrap .about-intro-text > p:last-child {
  margin-bottom: 0;
}

.page-home .home-dual__col .section-footer {
  justify-content: flex-start;
  margin-top: 16px;
}

.page-home .home-dual__col .stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-top: 18px;
}

.page-home .home-dual__col .stat-item {
  padding: 12px 6px;
  border-radius: 10px;
}

.page-home .home-dual__col .stat-item .num {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.1;
}

.page-home .home-dual__col .stat-item .label {
  margin-top: 4px;
  font-size: 0.625rem;
  color: var(--c-silver);
  line-height: 1.3;
}

/* 资讯：双栏列表 */
.page-home .home-dual .news-feed {
  border-top: 1px solid var(--gray-100);
}

.page-home .home-dual .news-row {
  grid-template-columns: 48px minmax(0, 1fr) 16px;
  gap: 14px;
  padding: 14px 0;
  transform: none;
  align-items: center;
}

.page-home .home-dual .news-row:hover {
  opacity: 1;
  transform: none;
}

.page-home .home-dual .news-row:hover .news-row__date {
  background: transparent;
}

.page-home .home-dual .news-row:hover .news-row__day,
.page-home .home-dual .news-row:hover .news-row__month,
.page-home .home-dual .news-row:hover .news-row__body h3 {
  color: var(--c-secondary);
}

.page-home .home-dual .news-row__body h3 {
  font-size: 0.8125rem;
}

.page-home .home-dual .news-row__body p {
  font-size: 0.75rem;
  color: var(--c-silver);
  -webkit-line-clamp: 1;
}

.page-home .home-dual .news-row__arrow {
  opacity: 1;
  color: var(--gray-200);
  margin-top: 2px;
}

.page-home .home-dual .news-row:hover .news-row__arrow {
  color: var(--c-accent);
}

.stat-item {
  padding: 24px 16px;
  text-align: center;
  background: var(--c-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-sm);
}

.stat-item .num {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.1;
}

.stat-item .label {
  margin-top: 6px;
  font-size: var(--text-caption);
  color: var(--c-silver);
}

/* ─── Business · 业务板块 645×363 ─── */
.business-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: calc(14px * var(--ui-scale));
}

.business-card {
  display: flex;
  flex-direction: column;
  background: var(--c-white);
  border-radius: calc(12px * var(--ui-scale));
  border: 1px solid rgba(15, 36, 72, 0.07);
  overflow: hidden;
  transition:
    border-color 0.45s cubic-bezier(0.25, 0.1, 0.25, 1),
    box-shadow 0.45s cubic-bezier(0.25, 0.1, 0.25, 1),
    transform 0.45s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.business-card:hover {
  border-color: rgba(54, 194, 232, 0.28);
  box-shadow: 0 calc(14px * var(--ui-scale)) calc(36px * var(--ui-scale)) rgba(15, 36, 72, 0.09);
  transform: translateY(calc(-3px * var(--ui-scale)));
}

.business-card__media {
  position: relative;
  aspect-ratio: var(--research-ratio);
  overflow: hidden;
  background: var(--gradient-media-well);
}

.business-card__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(15, 36, 72, 0.16) 100%);
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}

.business-card:hover .business-card__media::after {
  opacity: 1;
}

.business-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.business-card:hover .business-card__media img {
  transform: scale(1.04);
}

.business-card__body {
  padding: calc(14px * var(--ui-scale)) calc(16px * var(--ui-scale)) calc(18px * var(--ui-scale));
  border-top: 1px solid rgba(15, 36, 72, 0.05);
}

.business-card__body h3 {
  font-size: 0.84375rem;
  font-weight: 600;
  color: var(--c-dark);
  line-height: 1.45;
  margin-bottom: 10px;
  transition: color 0.35s ease;
}

.business-card:hover .business-card__body h3 {
  color: var(--c-secondary);
}

.business-card__body p {
  font-size: 0.75rem;
  color: var(--c-silver);
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.business-showcase {
  display: flex;
  flex-direction: column;
  gap: clamp(36px, 5vw, 56px);
  max-width: 1040px;
  margin: 0 auto;
}

.business-showcase__item {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  gap: clamp(24px, 3.5vw, 48px);
  align-items: center;
}

.business-showcase__item--reverse {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr);
}

.business-showcase__item--reverse .business-showcase__media {
  grid-column: 2;
}

.business-showcase__item--reverse .business-showcase__body {
  grid-column: 1;
  grid-row: 1;
}

.business-showcase__media {
  position: relative;
  aspect-ratio: var(--research-ratio);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  background: var(--gradient-media-spotlight);
}

.business-showcase__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 36, 72, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.business-showcase__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.business-showcase__item:hover .business-showcase__media img {
  transform: scale(1.03);
}

.business-showcase__body {
  padding: 8px 0;
}

.business-showcase__body h3 {
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  font-weight: 600;
  color: var(--c-dark);
  line-height: 1.4;
  margin-bottom: 14px;
}

.business-showcase__body p {
  font-size: 0.875rem;
  color: var(--c-silver);
  line-height: 1.85;
  max-width: 420px;
}

/* ─── Research · 研发实力 645×363 ─── */
.research-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: calc(14px * var(--ui-scale));
}

.research-card {
  display: flex;
  flex-direction: column;
  background: var(--c-white);
  border-radius: calc(12px * var(--ui-scale));
  border: 1px solid rgba(15, 36, 72, 0.07);
  overflow: hidden;
  transition:
    border-color 0.45s cubic-bezier(0.25, 0.1, 0.25, 1),
    box-shadow 0.45s cubic-bezier(0.25, 0.1, 0.25, 1),
    transform 0.45s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.research-card:hover {
  border-color: rgba(54, 194, 232, 0.28);
  box-shadow: 0 calc(14px * var(--ui-scale)) calc(36px * var(--ui-scale)) rgba(15, 36, 72, 0.09);
  transform: translateY(calc(-3px * var(--ui-scale)));
}

.research-card__media {
  position: relative;
  aspect-ratio: var(--research-ratio);
  overflow: hidden;
  background: var(--gradient-media-well);
}

.research-card__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(15, 36, 72, 0.18) 100%);
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}

.research-card:hover .research-card__media::after {
  opacity: 1;
}

.research-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.research-card:hover .research-card__media img {
  transform: scale(1.04);
}

.research-card__body {
  padding: calc(14px * var(--ui-scale)) calc(16px * var(--ui-scale)) calc(18px * var(--ui-scale));
  border-top: 1px solid rgba(15, 36, 72, 0.05);
}

.research-card__body h3 {
  font-size: 0.84375rem;
  font-weight: 600;
  color: var(--c-dark);
  line-height: 1.45;
  margin-bottom: 10px;
  transition: color 0.35s ease;
}

.research-card:hover .research-card__body h3 {
  color: var(--c-secondary);
}

.research-card__body p {
  font-size: 0.75rem;
  color: var(--c-silver);
  line-height: 1.75;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ─── Products · 精简高端卡片 ─── */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--c-white);
  border-radius: 16px;
  border: 1px solid rgba(15, 36, 72, 0.07);
  overflow: hidden;
  transition:
    box-shadow 0.45s cubic-bezier(0.25, 0.1, 0.25, 1),
    transform 0.45s cubic-bezier(0.25, 0.1, 0.25, 1),
    border-color 0.45s ease;
}

.product-card:hover {
  border-color: rgba(54, 194, 232, 0.28);
  box-shadow: 0 18px 44px rgba(15, 36, 72, 0.09);
  transform: translateY(-3px);
}

.product-card__media {
  aspect-ratio: 1;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(18px, 3vw, 28px);
  background: var(--gradient-media-well);
  border-bottom: 1px solid var(--border-subtle);
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.55s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.product-card:hover .product-card__media img {
  transform: scale(1.035);
}

.product-card__info {
  padding: 16px 18px 20px;
  text-align: center;
  border-top: 1px solid rgba(15, 36, 72, 0.05);
}

.product-card__info h3 {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--c-dark);
  line-height: 1.55;
  letter-spacing: 0.02em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.35s ease;
}

.product-card:hover .product-card__info h3 {
  color: var(--c-secondary);
}

/* ─── Products Catalog · 分类产品列表 ─── */
.products-catalog {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.products-catalog__layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.products-catalog__sidebar {
  position: sticky;
  top: calc(var(--header-h) + 16px);
  padding: 18px 16px;
  background: var(--c-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
}

.page-home #products .products-catalog__sidebar-label {
  display: none;
}

.products-catalog__sidebar-label {
  margin-bottom: 12px;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-silver);
}

.products-catalog__intro {
  margin-bottom: 20px;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--c-silver);
}

.products-catalog__main {
  min-width: 0;
}

.products-catalog__sticky {
  position: static;
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  box-shadow: none;
}

.products-catalog__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
}

.products-catalog__nav--side {
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 4px;
}

.products-catalog--home .products-catalog__sticky {
  margin-bottom: 4px;
}

.products-catalog--home .product-category__desc {
  display: none;
}

.products-catalog--home .products-catalog__sections {
  gap: 28px;
}

.products-catalog--home .product-category__head {
  margin-bottom: 14px;
  padding-bottom: 12px;
}

.products-catalog--home .product-category__title {
  font-size: 1rem;
}

.product-category {
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.products-catalog__tab {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--gray-700);
  background: transparent;
  transition:
    color 0.25s ease,
    background 0.25s ease,
    border-color 0.25s ease;
}

.products-catalog__nav:not(.products-catalog__nav--side) .products-catalog__tab {
  justify-content: flex-start;
  border-radius: 999px;
  padding: 8px 14px;
}

.products-catalog__tab em {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 5px;
  border-radius: 999px;
  font-size: 0.625rem;
  font-style: normal;
  font-weight: 600;
  color: var(--c-silver);
  background: var(--c-surface-muted);
  flex-shrink: 0;
}

.products-catalog__tab:hover {
  color: var(--c-secondary);
  background: rgba(54, 194, 232, 0.06);
}

.products-catalog__tab.is-active {
  color: var(--c-secondary);
  background: rgba(54, 194, 232, 0.08);
  border-color: rgba(54, 194, 232, 0.22);
  font-weight: 600;
}

.products-catalog__tab.is-active em {
  color: var(--c-white);
  background: var(--c-secondary);
}

.products-catalog__sections {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.product-category.is-hidden {
  display: none;
}

.product-category__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-100);
}

.product-category__head--mini {
  margin-bottom: 12px;
  padding-bottom: 8px;
}

.product-category__head--mini .product-category__title {
  font-size: 0.9375rem;
  margin-bottom: 0;
}

.product-category__title {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--c-dark);
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}

.product-category__desc {
  max-width: 560px;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--c-silver);
}

.product-category__count {
  flex-shrink: 0;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--c-secondary);
  background: var(--c-surface-muted);
  font-variant-numeric: tabular-nums;
}

.products-grid--dense {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}

.product-card--compact {
  border-radius: 12px;
}

.product-card--compact:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(15, 36, 72, 0.08);
}

.product-card--compact .product-card__media {
  padding: 8px;
  background: var(--gradient-media-well);
}

.product-card--compact .product-card__info {
  padding: 8px 8px 10px;
  text-align: center;
}

.product-card--compact .product-card__info h3 {
  font-size: 0.6875rem;
  line-height: 1.45;
  -webkit-line-clamp: 2;
}

.product-card__tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--c-secondary);
  background: rgba(42, 75, 140, 0.08);
}

.products-catalog--home .products-grid--dense {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* ─── Honors 400×600 ─── */
.honors-page { padding-top: 8px; }

/* 荣誉页 · 6 列宫格卡片 */
.honors-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}

.honors-grid .honor-item {
  width: auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  background: var(--c-white);
  border: 1px solid var(--gray-100);
  border-radius: 12px;
  padding: 12px 10px 14px;
  box-shadow: var(--shadow-card);
  transition:
    transform 0.35s cubic-bezier(0.25, 0.1, 0.25, 1),
    box-shadow 0.35s ease,
    border-color 0.35s ease;
}

.honors-grid .honor-item:hover {
  transform: translateY(-3px);
  border-color: var(--gray-200);
  box-shadow: var(--shadow-card-hover);
}

.honors-grid .honor-frame {
  box-shadow: none;
}

.honors-grid .honor-frame:hover {
  transform: none;
  box-shadow: none;
}

.honors-grid .honor-info {
  padding: 12px 2px 0;
}

.honors-grid .honor-info h3 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--c-dark);
  -webkit-line-clamp: 3;
}

.honors-grid .honor-info p {
  font-size: 0.6875rem;
  color: var(--c-silver);
  margin-top: 6px;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 首页 · 横向无限滚动 */
.honors-rail {
  position: relative;
  width: 100vw;
  max-width: 100vw;
  margin-left: calc(50% - 50vw);
  overflow: hidden;
  padding: 6px 0 4px;
  mask-image: linear-gradient(
    90deg,
    transparent 0%,
    #000 56px,
    #000 calc(100% - 56px),
    transparent 100%
  );
  -webkit-mask-image: linear-gradient(
    90deg,
    transparent 0%,
    #000 56px,
    #000 calc(100% - 56px),
    transparent 100%
  );
}

.honors-rail:focus-visible {
  outline: none;
}

.honors-rail__track {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  width: max-content;
  padding: 4px 0 8px;
  will-change: transform;
}

.honors-rail .honor-item {
  flex: 0 0 156px;
  width: 156px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.honors-rail:not(.honors-rail--manual) .honors-rail__track:not(.honors-rail__track--ready) {
  opacity: 0;
}

.honors-rail__track--ready {
  opacity: 1;
  transition: opacity 0.2s ease;
  animation: honorsMarquee var(--marquee-duration, 28s) linear infinite;
}

.honors-rail:has(.honor-thumb:hover) .honors-rail__track {
  animation-play-state: paused;
}

@keyframes honorsMarquee {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(calc(-1 * var(--marquee-width, 0px)), 0, 0); }
}

.honors-rail--manual {
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  mask-image: none;
  -webkit-mask-image: none;
}

.honors-rail--manual::-webkit-scrollbar { display: none; }

.honors-rail--manual .honors-rail__track {
  animation: none !important;
  transform: none !important;
  padding-right: 20px;
}

/* 正式证书框 · 高科技企业荣誉展示 */
.honor-frame {
  position: relative;
  width: 100%;
  cursor: pointer;
  font: inherit;
  padding: 0;
  border: none;
  background: var(--c-white);
  border-radius: 3px;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(15, 36, 72, 0.18),
    0 4px 16px rgba(15, 36, 72, 0.07);
  transition:
    transform 0.35s cubic-bezier(0.25, 0.1, 0.25, 1),
    box-shadow 0.35s ease;
}

.honor-frame__bar {
  display: block;
  height: 5px;
  background: var(--c-primary);
  position: relative;
}

.honor-frame__bar::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    rgba(201, 169, 98, 0) 0%,
    rgba(201, 169, 98, 0.55) 50%,
    rgba(201, 169, 98, 0) 100%
  );
}

.honor-frame__mat {
  position: relative;
  padding: 9px 8px 10px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F6F9FC 100%);
}

.honor-frame__mat::before {
  content: '';
  position: absolute;
  inset: 5px;
  border: 1px solid rgba(15, 36, 72, 0.14);
  pointer-events: none;
  z-index: 1;
}

.honor-frame__mat::after {
  content: '';
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(15, 36, 72, 0.06);
  pointer-events: none;
  z-index: 1;
}

.honor-frame:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(15, 36, 72, 0.22),
    0 8px 28px rgba(15, 36, 72, 0.11);
}

.honor-thumb {
  position: relative;
  z-index: 0;
  width: 100%;
  aspect-ratio: 400 / 600;
  padding: 0;
  background: var(--c-white);
  border: 1px solid rgba(15, 36, 72, 0.1);
  border-radius: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.honor-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.honor-info {
  padding: 10px 2px 0;
  text-align: center;
  width: 100%;
}

.honor-info h3 {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--c-primary);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.honor-info p {
  display: none;
}

.honors-rail--labeled .honor-item {
  width: 172px;
}

.honors-rail--labeled .honor-info h3 {
  font-size: 0.75rem;
}

/* ─── News ─── */
.news-feed {
  border-top: 1px solid var(--gray-100);
}

.news-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 24px;
  gap: 20px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-100);
  transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.news-row:hover {
  opacity: 0.85;
  transform: translateX(3px);
}

.news-row__date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 48px;
  padding: 0;
  flex-shrink: 0;
  border-radius: 0;
  background: transparent;
  font-variant-numeric: tabular-nums;
}

.news-row__day {
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-dark);
  line-height: 1.1;
  text-align: center;
}

.news-row__month {
  margin-top: 3px;
  font-size: 0.625rem;
  font-weight: 400;
  color: var(--c-silver);
  line-height: 1.2;
  white-space: nowrap;
  text-align: center;
}

.news-row__body {
  min-width: 0;
}

.news-row__body h3 {
  font-size: var(--text-body);
  font-weight: 500;
  color: var(--c-dark);
  margin-bottom: 2px;
  line-height: 1.45;
}

.news-row__body p {
  font-size: var(--text-caption);
  color: var(--c-silver);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-row__arrow {
  font-size: 1.125rem;
  color: var(--c-silver);
  text-align: right;
  opacity: 0;
  transition: opacity var(--transition);
}

.news-row:hover .news-row__arrow { opacity: 1; }

.news-list { max-width: 720px; margin: 0 auto; }

.news-item {
  display: flex;
  gap: 20px;
  padding: 18px 20px;
  margin-bottom: 10px;
  border-radius: var(--radius-card);
  border: 1px solid var(--gray-100);
  background: var(--c-white);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.news-item:hover {
  box-shadow: var(--shadow-card);
  border-color: rgba(42, 75, 140, 0.12);
}

.news-date { flex-shrink: 0; width: 56px; text-align: center; }

.news-date .day {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1;
}

.news-date .month { font-size: 0.6875rem; color: var(--c-silver); margin-top: 4px; }

.news-content h3 {
  font-size: var(--text-h3);
  font-weight: 600;
  color: var(--c-dark);
  margin-bottom: 6px;
}

.news-content p {
  font-size: var(--text-caption);
  color: var(--c-silver);
  line-height: 1.65;
}

/* ─── News Timeline · 资讯时间线 ─── */
.news-page__intro {
  max-width: 640px;
  margin: 0 auto 32px;
  text-align: center;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--c-silver);
}

.news-timeline {
  max-width: 820px;
  margin: 0 auto;
}

.news-timeline__year-group {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 0 24px;
  margin-bottom: 8px;
}

.news-timeline__year {
  padding-top: 6px;
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--c-primary);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  line-height: 1;
}

.news-timeline__list {
  position: relative;
  padding-left: 4px;
  border-left: 2px solid var(--gray-100);
}

.news-timeline__item {
  display: block;
  position: relative;
  padding: 0 0 24px 28px;
  text-decoration: none;
  color: inherit;
}

.news-timeline__item:last-child {
  padding-bottom: 0;
}

.news-timeline__marker {
  position: absolute;
  left: -5px;
  top: 18px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-surface);
  border: 2px solid var(--c-accent);
  box-shadow: 0 0 0 4px var(--c-surface-alt);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.news-timeline__card {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 20px;
  gap: 16px;
  align-items: center;
  padding: 18px 20px;
  background: var(--c-white);
  border: 1px solid var(--gray-100);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  transition:
    border-color 0.35s ease,
    box-shadow 0.35s ease,
    transform 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.news-timeline__item:hover .news-timeline__card {
  border-color: rgba(54, 194, 232, 0.28);
  box-shadow: var(--shadow-card);
  transform: translateX(4px);
}

.news-timeline__item:hover .news-timeline__marker {
  border-color: var(--c-secondary);
  box-shadow: 0 0 0 4px rgba(54, 194, 232, 0.12);
}

.news-timeline__time {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-variant-numeric: tabular-nums;
}

.news-timeline__day {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-dark);
  line-height: 1.1;
  transition: color 0.35s ease;
}

.news-timeline__month {
  margin-top: 4px;
  font-size: 0.625rem;
  color: var(--c-silver);
  line-height: 1.2;
  white-space: nowrap;
  transition: color 0.35s ease;
}

.news-timeline__body {
  min-width: 0;
}

.news-timeline__body h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-dark);
  line-height: 1.45;
  margin-bottom: 6px;
  transition: color 0.35s ease;
}

.news-timeline__body p {
  font-size: 0.8125rem;
  color: var(--c-silver);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-timeline__arrow {
  font-size: 1rem;
  color: var(--gray-200);
  opacity: 0;
  transition: opacity 0.35s ease, color 0.35s ease, transform 0.35s ease;
}

.news-timeline__item:hover .news-timeline__arrow {
  opacity: 1;
  color: var(--c-accent);
  transform: translateX(2px);
}

.news-timeline__item:hover .news-timeline__day,
.news-timeline__item:hover .news-timeline__month,
.news-timeline__item:hover .news-timeline__body h3 {
  color: var(--c-secondary);
}

/* ─── Page Hero — 紧凑页头 ─── */
.page-hero {
  background: var(--c-primary);
  color: var(--c-white);
  padding: calc(var(--header-h) - 10px) 0;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(1.0625rem, 1.45vw, 1.25rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
  line-height: 1.35;
}

.page-hero .breadcrumb {
  font-size: 0.6875rem;
  letter-spacing: 0.03em;
  color: rgba(255, 255, 255, 0.48);
}

.page-hero .breadcrumb a { color: rgba(255, 255, 255, 0.72); }
.page-hero .breadcrumb a:hover { color: var(--c-accent); text-decoration: none; }

/* ─── Contact ─── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
}

.contact-info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-sm);
  color: var(--c-secondary);
  flex-shrink: 0;
}

.contact-icon svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.5; }

.contact-info-item h4 {
  font-size: var(--text-caption);
  font-weight: 600;
  color: var(--c-dark);
  margin-bottom: 4px;
}

.contact-info-item p { font-size: var(--text-caption); color: var(--c-silver); }

.contact-form .form-group { margin-bottom: 20px; }

.contact-form label {
  display: block;
  font-size: var(--text-caption);
  font-weight: 500;
  color: var(--c-dark);
  margin-bottom: 8px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: var(--text-body);
  background: var(--c-white);
  color: var(--c-dark);
  transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--c-secondary);
}

.contact-form textarea { min-height: 128px; resize: vertical; }

.map-placeholder {
  background: var(--gradient-media-well);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-silver);
  margin-top: 48px;
}

/* ─── Footer ─── */
.site-footer {
  background: var(--c-primary);
  color: rgba(255, 255, 255, 0.65);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-img { height: 36px; filter: brightness(0) invert(1); opacity: 0.92; }

.footer-brand p {
  font-size: var(--text-caption);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
  max-width: 280px;
}

.footer-col h4 {
  font-size: var(--text-caption);
  font-weight: 600;
  color: var(--c-white);
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}

.footer-col a {
  display: block;
  font-size: var(--text-caption);
  padding: 5px 0;
  color: rgba(255, 255, 255, 0.55);
}

.footer-col a:hover { color: var(--c-accent); }

.footer-contact li {
  display: flex;
  gap: 10px;
  font-size: var(--text-caption);
  margin-bottom: 10px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.6;
}

.footer-contact .icon {
  flex-shrink: 0;
  display: flex;
  color: var(--c-accent);
  opacity: 0.85;
}

.footer-contact .icon svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ─── Mobile consult bar ─── */
.consult-bar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 998;
  background: var(--c-white);
  border-top: 1px solid var(--gray-100);
  box-shadow: 0 -4px 16px rgba(15, 36, 72, 0.06);
  grid-template-columns: repeat(3, 1fr);
}

.consult-bar a {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 6px;
  font-size: 0.6875rem;
  color: var(--c-secondary);
  gap: 4px;
}

.text-center { text-align: center; }
.mt-32 { margin-top: 32px; }
.mb-0 { margin-bottom: 0; }

/* ─── Lightbox ─── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

.lightbox-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 36, 72, 0.92);
  backdrop-filter: blur(8px);
  cursor: pointer;
}

.lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  animation: scaleIn 0.35s ease;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 85vh;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}

.lightbox-close {
  position: absolute;
  top: -44px; right: 0;
  width: 36px; height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  color: var(--c-white);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.96); } to { opacity: 1; transform: scale(1); } }

/* ─── Product Detail · 产品详情 ─── */
.product-detail-page {
  padding-top: calc(var(--section-py) - 8px);
}

.product-detail-header {
  margin-bottom: clamp(28px, 4vw, 40px);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  margin-bottom: 20px;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--c-secondary);
  background: var(--c-white);
  border: 1px solid var(--gray-100);
  box-shadow: var(--shadow-sm);
  transition:
    color 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.3s ease;
}

.back-link:hover {
  color: var(--c-primary);
  border-color: rgba(54, 194, 232, 0.35);
  box-shadow: var(--shadow-card);
  transform: translateX(-2px);
}

.product-detail-title {
  font-size: clamp(1.375rem, 2.4vw, 1.875rem);
  font-weight: 700;
  color: var(--c-primary);
  letter-spacing: 0.02em;
  line-height: 1.35;
  max-width: 720px;
}

.product-detail-content {
  display: grid;
  grid-template-columns: minmax(280px, 440px) minmax(0, 1fr);
  gap: clamp(32px, 4vw, 56px);
  align-items: start;
}

.product-detail-image {
  position: sticky;
  top: calc(var(--header-h) + 24px);
  aspect-ratio: 1;
  width: 100%;
  isolation: isolate;
  background: var(--c-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: clamp(24px, 4vw, 40px);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-card);
}

.product-detail-image::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--gradient-media-spotlight);
  pointer-events: none;
}

.product-detail-image img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 12px 28px rgba(15, 36, 72, 0.08));
}

.product-detail-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
}

.detail-section {
  background: var(--c-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: clamp(22px, 3vw, 28px);
  box-shadow: var(--shadow-sm);
}

.detail-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-dark);
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--gray-100);
}

.detail-section-title::before {
  content: '';
  flex-shrink: 0;
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--c-accent), var(--c-secondary));
}

.detail-text {
  font-size: 0.9375rem;
  color: var(--gray-700);
  line-height: 1.9;
}

.detail-section:has(.feature-item) {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.detail-section:has(.feature-item) .detail-section-title {
  grid-column: 1 / -1;
  margin-bottom: 4px;
}

.feature-item {
  margin: 0;
  padding: 18px 20px;
  border-bottom: none;
  background: var(--c-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  transition:
    border-color 0.35s ease,
    box-shadow 0.35s ease,
    transform 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.feature-item:hover {
  background: var(--c-surface);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.feature-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--c-dark);
  margin-bottom: 8px;
  line-height: 1.45;
}

.feature-desc {
  font-size: 0.8125rem;
  color: var(--c-silver);
  line-height: 1.75;
}

/* ─── Responsive ─── */
@media (max-width: 1200px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .products-grid--dense { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .honors-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .products-grid--dense { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
  .products-catalog__layout {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .products-catalog__sidebar {
    position: static;
    padding: 12px 14px;
  }
  .products-catalog__nav--side {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 6px;
    padding-bottom: 2px;
  }
  .products-catalog__nav--side::-webkit-scrollbar { display: none; }
  .products-catalog__nav--side .products-catalog__tab {
    flex-shrink: 0;
    justify-content: flex-start;
    border-radius: 999px;
    padding: 8px 14px;
  }
  .product-detail-image {
    position: static;
    max-width: 420px;
    margin: 0 auto;
  }
  .detail-section:has(.feature-item) {
    grid-template-columns: 1fr;
  }
  .honors-rail .honor-item { width: 140px; }
  .honors-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .honors-rail__track { gap: 16px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .product-detail-content { grid-template-columns: 1fr; }
  .about-panel:not(.about-intro--lead-wrap) { grid-template-columns: 1fr; }
  .about-intro--split .about-intro-img {
    max-width: 360px;
    margin: 0 auto;
  }
  .home-dual {
    grid-template-columns: 1fr;
    gap: 40px 0;
  }
  .page-home .home-dual .about-intro--lead-wrap .about-intro-img {
    width: 84px;
    height: 84px;
  }
  .research-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .business-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .business-showcase__item,
  .business-showcase__item--reverse {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .business-showcase__item--reverse .business-showcase__media,
  .business-showcase__item--reverse .business-showcase__body {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (max-width: 768px) {
  :root {
    --header-h: calc(58px * var(--ui-scale));
    --section-py: calc(52px * var(--ui-scale));
  }

  .header-inner { grid-template-columns: 1fr auto; }
  .nav-desktop { display: none; }
  .menu-toggle { display: flex; }

  .banner-content h1 { max-width: none; }

  .page-home .banner-slider {
    max-height: min(38vw, calc(220px * var(--ui-scale)));
  }

  .page-home .banner-content h1 {
    font-size: 1.125rem;
  }

  .page-home #business,
  .page-home #research {
    padding-top: calc(28px * var(--ui-scale));
    padding-bottom: calc(28px * var(--ui-scale));
  }

  .page-hero {
    padding: calc(var(--header-h) + 16px) 0 20px;
  }

  .page-hero h1 {
    font-size: 1.0625rem;
    letter-spacing: 0.04em;
  }

  .grid-2, .grid-3, .contact-grid,
  .about-panel:not(.about-intro--lead-wrap),
  .about-intro--compact.about-panel {
    grid-template-columns: 1fr;
  }

  .research-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 645px;
    margin: 0 auto;
  }

  .business-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 645px;
    margin: 0 auto;
  }

  .business-showcase__body p {
    max-width: none;
  }

  .research-card__body p {
    -webkit-line-clamp: unset;
    display: block;
  }

  .about-intro--split .about-intro-img {
    max-width: none;
    margin: 0;
  }

  .news-row {
    grid-template-columns: 48px minmax(0, 1fr) 18px;
    gap: 12px;
  }

  .page-home .home-dual .news-row {
    grid-template-columns: 48px minmax(0, 1fr) 14px;
    gap: 12px;
  }

  .page-home .home-dual .about-intro--lead-wrap .about-intro-img {
    width: 76px;
    height: 76px;
    margin: 0 14px 8px 0;
  }

  .news-row__arrow { display: none; }

  .news-timeline__year-group {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 0 12px;
  }

  .news-timeline__year {
    font-size: 1.125rem;
    padding-top: 4px;
  }

  .news-timeline__item {
    padding-bottom: 20px;
    padding-left: 22px;
  }

  .news-timeline__marker {
    left: -5px;
    top: 16px;
  }

  .news-timeline__card {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 12px;
    padding: 14px 16px;
  }

  .news-timeline__arrow { display: none; }

  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .products-grid--dense { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .products-catalog--home .products-grid--dense {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .product-card__media { padding: 14px; }
  .honors-rail .honor-item { width: 124px; }
  .honors-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .honors-rail__track { gap: 14px; }
  .consult-bar { display: grid; }
  body { padding-bottom: 56px; }
  .news-item { flex-direction: column; gap: 12px; }
  .news-date { display: flex; gap: 8px; align-items: baseline; width: auto; }

  .products-catalog__sticky {
    overflow-x: auto;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin-bottom: 4px;
  }

  .products-catalog__sticky::-webkit-scrollbar { display: none; }

  .products-catalog__nav {
    flex-wrap: nowrap;
  }

  .products-catalog__tab {
    flex-shrink: 0;
  }

  .product-category__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .products-catalog__sections {
    gap: 40px;
  }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
  .products-grid { grid-template-columns: repeat(2, 1fr); max-width: none; margin: 0; }
  .products-grid--dense { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .products-catalog--home .products-grid--dense {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .honors-rail .honor-item { width: 112px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}