/* 河北数源数据科技有限公司 - 企业官网样式 */
:root {
  --primary: #0a4c8a;
  --primary-dark: #073966;
  --primary-light: #1e6ab3;
  --accent: #00a896;
  --accent-light: #36d6c3;
  --text: #1f2937;
  --text-light: #6b7280;
  --bg: #ffffff;
  --bg-soft: #f5f9ff;
  --bg-section: #f8fafc;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
  --shadow: 0 10px 30px -10px rgba(10, 76, 138, 0.12);
  --shadow-lg: 0 20px 40px -12px rgba(10, 76, 138, 0.18);
  --radius: 12px;
  --radius-lg: 20px;
  --container: 1200px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--text);
  line-height: 1.7;
  background: var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 96px 0;
}

.section-title {
  text-align: center;
  margin-bottom: 56px;
}

.section-title h2 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.section-title p {
  font-size: 1.05rem;
  color: var(--text-light);
  max-width: 640px;
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
  color: #fff;
  box-shadow: 0 8px 20px -6px rgba(10, 76, 138, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -8px rgba(10, 76, 138, 0.45);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1.5px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}

.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow);
}

.btn-white:hover {
  background: var(--bg-soft);
  transform: translateY(-2px);
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  z-index: 1000;
  transition: box-shadow 0.3s ease;
}

.header.scrolled {
  box-shadow: 0 4px 20px -8px rgba(10, 76, 138, 0.15);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  height: 38px;
  width: auto;
  flex-shrink: 0;
  object-fit: contain;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.25;
  text-align: center;
  white-space: nowrap;
}

.logo-text span {
  display: block;
  font-size: 0.58rem;
  font-weight: 500;
  color: var(--text-light);
  letter-spacing: 0.18em;
  text-align: center;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.25s ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

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

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s ease;
}

.mobile-menu-btn.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.open span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero */
.hero {
  position: relative;
  min-height: 720px;
  padding-top: var(--header-h);
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
  color: #fff;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(0, 168, 150, 0.18) 0%, transparent 45%),
              radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.4;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  font-size: 0.85rem;
  margin-bottom: 28px;
  backdrop-filter: blur(4px);
}

.hero-badge svg {
  width: 16px;
  height: 16px;
}

.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent-light);
}

.hero-desc {
  font-size: 1.15rem;
  line-height: 1.8;
  opacity: 0.92;
  max-width: 560px;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(12px);
  width: 100%;
  max-width: 420px;
}

.hero-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-card h3 svg {
  width: 22px;
  height: 22px;
}

.flow-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.flow-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  font-size: 0.95rem;
}

.flow-num {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

/* Stats */
.stats {
  background: var(--bg-soft);
  padding: 64px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  text-align: center;
  padding: 28px 20px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-light);
}

/* Services */
.services-section {
  background: var(--bg);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-card {
  position: relative;
  padding: 36px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--primary-light), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-soft);
  border-radius: 14px;
  margin-bottom: 22px;
  color: var(--primary);
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.service-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  line-height: 1.75;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.service-tag {
  font-size: 0.78rem;
  padding: 5px 10px;
  background: var(--bg-soft);
  color: var(--primary);
  border-radius: 6px;
  font-weight: 500;
}

/* About preview */
.about-preview {
  background: var(--bg-section);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-content h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.35;
}

.about-content p {
  color: var(--text-light);
  margin-bottom: 18px;
  font-size: 1rem;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 28px;
}

.about-feature {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.about-feature svg {
  width: 22px;
  height: 22px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.about-feature strong {
  display: block;
  color: var(--text);
  margin-bottom: 4px;
}

.about-feature span {
  font-size: 0.9rem;
  color: var(--text-light);
}

.about-visual {
  position: relative;
}

.about-visual-box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: var(--radius-lg);
  padding: 48px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.about-visual-box::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.about-visual-box h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.about-visual-box p {
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 24px;
}

/* Cases */
.cases-section {
  background: var(--bg);
}

.case-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.case-content {
  padding: 48px;
}

.case-tag {
  display: inline-block;
  padding: 6px 14px;
  background: var(--bg-soft);
  color: var(--primary);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.case-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.case-content p {
  color: var(--text-light);
  margin-bottom: 24px;
}

.case-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.case-metric strong {
  display: block;
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 4px;
}

.case-metric span {
  font-size: 0.88rem;
  color: var(--text-light);
}

.case-visual {
  background: linear-gradient(135deg, var(--bg-soft) 0%, #e6f4ff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  min-height: 360px;
}

.case-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Gallery */
.gallery-section {
  background: var(--bg-section);
}

.gallery-carousel {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  user-select: none;
}

.gallery-viewport {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  background: #fff;
  border: 1px solid var(--border);
  cursor: grab;
}

.gallery-viewport.dragging {
  cursor: grabbing;
}

.gallery-track {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: transform;
}

.gallery-viewport.dragging .gallery-track {
  transition: none;
}

.gallery-slide {
  flex: 0 0 100%;
  min-width: 100%;
  padding: 18px;
  box-sizing: border-box;
}

.gallery-slide img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 68vh;
  object-fit: contain;
  border-radius: 8px;
  background: #fbfcfe;
}

.gallery-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: rgba(10, 76, 138, 0.92);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 5;
  transition: background 0.2s ease, transform 0.2s ease;
  box-shadow: 0 6px 18px rgba(10, 76, 138, 0.3);
}

.gallery-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-50%) scale(1.06);
}

.gallery-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  box-shadow: none;
}

.gallery-btn svg {
  width: 22px;
  height: 22px;
}

.gallery-prev {
  left: -22px;
}

.gallery-next {
  right: -22px;
}

.gallery-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 22px;
}

.gallery-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: none;
  background: var(--border);
  cursor: pointer;
  padding: 0;
  transition: all 0.25s ease;
}

.gallery-dot.active {
  background: var(--primary);
  width: 28px;
  border-radius: 6px;
}

.gallery-hint {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-light);
  margin-top: 14px;
}

/* CTA */
.cta-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 168, 150, 0.15) 0%, transparent 50%);
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.1rem;
  opacity: 0.92;
  max-width: 560px;
  margin: 0 auto 32px;
}

/* Footer */
.footer {
  background: #0a1628;
  color: rgba(255, 255, 255, 0.75);
  padding: 72px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr 0.8fr;
  gap: 28px;
  margin-bottom: 48px;
  align-items: start;
}

.footer-brand {
  min-width: 0;
  text-align: left;
}

.footer-brand .logo {
  justify-content: flex-start;
}

.footer-brand .logo-text {
  color: #fff;
  word-break: keep-all;
}

.footer-brand .logo-text span {
  color: rgba(255, 255, 255, 0.55);
}

.footer-brand p {
  margin-top: 18px;
  font-size: 0.92rem;
  line-height: 1.8;
  max-width: 100%;
  text-align: left;
}

.footer-title {
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.92rem;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-contact p {
  font-size: 0.92rem;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.footer-contact svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--accent-light);
}

.footer-addr {
  display: inline-flex;
  align-items: flex-start;
  gap: 6px;
}

.footer-addr .addr-detail {
  display: flex;
  flex-direction: column;
}

.footer-addr .addr-line {
  display: block;
  white-space: nowrap;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

/* About page */
.mission-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: -48px;
  position: relative;
  z-index: 3;
}

.mission-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  text-align: center;
}

.mission-card svg {
  width: 40px;
  height: 40px;
  color: var(--primary);
  margin-bottom: 16px;
}

.mission-card h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.mission-card p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 0 40px 40px 0;
  text-align: right;
}

.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding: 0 0 40px 40px;
  text-align: left;
}

.timeline-dot {
  position: absolute;
  right: -7px;
  top: 4px;
  width: 14px;
  height: 14px;
  background: var(--primary);
  border-radius: 50%;
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--primary);
}

.timeline-item:nth-child(even) .timeline-dot {
  right: auto;
  left: -7px;
}

.timeline-year {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 6px;
}

.timeline-item h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 0.9rem;
  color: var(--text-light);
}

/* Honors */
.honor-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.honor-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: all 0.25s ease;
}

.honor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: transparent;
}

.honor-card svg {
  width: 36px;
  height: 36px;
  color: var(--accent);
  margin-bottom: 14px;
}

.honor-card h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 6px;
  line-height: 1.45;
}

.honor-card p {
  font-size: 0.82rem;
  color: var(--text-light);
}

/* Certificate marquee (auto scroll, two rows) */
.cert-section {
  background: var(--bg-section);
  overflow: hidden;
}

.cert-marquee {
  display: flex;
  flex-direction: column;
  gap: 28px;
  user-select: none;
}

.cert-marquee-row {
  position: relative;
  width: 100vw;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  overflow: hidden;
  padding: 10px 0;
}

.cert-marquee-row::before,
.cert-marquee-row::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.cert-marquee-row::before {
  left: 0;
  background: linear-gradient(to right, var(--bg-section) 0%, rgba(247, 249, 252, 0) 100%);
}

.cert-marquee-row::after {
  right: 0;
  background: linear-gradient(to left, var(--bg-section) 0%, rgba(247, 249, 252, 0) 100%);
}

.cert-marquee-track {
  display: flex;
  width: max-content;
  will-change: transform;
  animation: marquee-left 40s linear infinite;
}

.cert-marquee-row.row-landscape .cert-marquee-track {
  animation-name: marquee-right;
  animation-duration: 50s;
}

.cert-marquee-row:hover .cert-marquee-track {
  animation-play-state: paused;
}

.cert-marquee-item {
  flex-shrink: 0;
  margin: 0 18px;
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 4px 16px rgba(10, 76, 138, 0.08);
  border: 1px solid rgba(10, 76, 138, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cert-marquee-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 28px rgba(10, 76, 138, 0.16);
}

.row-portrait .cert-marquee-item {
  width: 240px;
  height: 320px;
}

.row-landscape .cert-marquee-item {
  width: 260px;
  height: 180px;
}

.cert-marquee-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  background: #fff;
  padding: 8px;
  box-sizing: border-box;
}

@keyframes marquee-left {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes marquee-right {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

/* Services page detail */
.service-detail {
  background: var(--bg);
}

.service-detail-card {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 28px;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 40px;
  margin-bottom: 24px;
  transition: box-shadow 0.25s ease;
}

.service-detail-card:hover {
  box-shadow: var(--shadow);
}

.service-detail-icon {
  width: 80px;
  height: 80px;
  background: var(--bg-soft);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.service-detail-icon svg {
  width: 40px;
  height: 40px;
}

.service-detail-content h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.service-detail-content > p {
  color: var(--text-light);
  margin-bottom: 20px;
}

.service-detail-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.service-detail-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.95rem;
}

.service-detail-list li svg {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

/* Process */
.process-section {
  background: var(--bg-section);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.process-step {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid var(--border);
  position: relative;
}

.process-step-num {
  position: absolute;
  top: -18px;
  left: 28px;
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
}

.process-step h4 {
  margin-top: 8px;
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.process-step p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.75;
}

/* Contact page */
.contact-section {
  background: var(--bg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
}

.contact-info-card {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.contact-info-card h3 {
  font-size: 1.3rem;
  margin-bottom: 24px;
}

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

.contact-item svg {
  width: 22px;
  height: 22px;
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

.contact-item strong {
  display: block;
  margin-bottom: 4px;
}

.contact-item span {
  color: var(--text-light);
  font-size: 0.95rem;
}

.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(30, 106, 179, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* Page header */
.page-header {
  padding-top: calc(var(--header-h) + 72px);
  padding-bottom: 120px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  text-align: center;
}

.page-header h1 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 14px;
}

.page-header p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 560px;
  margin: 0 auto;
}

/* Utilities */
.text-center {
  text-align: center;
}

.mt-4 {
  margin-top: 24px;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner,
  .about-grid,
  .case-card,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .case-visual {
    min-height: 240px;
  }

  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-150%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
    pointer-events: none;
  }

  .nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-link::after {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-desc {
    font-size: 1rem;
  }

  .stats-grid,
  .service-grid,
  .honor-grid,
  .process-steps,
  .mission-cards {
    grid-template-columns: 1fr;
  }

  .row-portrait .cert-marquee-item {
    width: 170px;
    height: 226px;
    margin: 0 10px;
  }

  .row-landscape .cert-marquee-item {
    width: 190px;
    height: 132px;
    margin: 0 10px;
  }

  .cert-marquee-row::before,
  .cert-marquee-row::after {
    width: 48px;
  }

  .about-features,
  .service-detail-list,
  .form-row,
  .case-metrics {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .section-title h2 {
    font-size: 1.8rem;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .timeline::before {
    left: 8px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding-left: 36px;
    padding-right: 0;
    text-align: left;
  }

  .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 0;
    right: auto;
  }

  .gallery-prev {
    left: 12px;
  }

  .gallery-next {
    right: 12px;
  }

  .gallery-btn {
    width: 40px;
    height: 40px;
  }

  .gallery-slide img {
    max-height: 52vh;
  }

  .logo-text {
    font-size: 1.05rem;
    white-space: normal;
  }

  .logo-text span {
    font-size: 0.5rem;
    letter-spacing: 0.08em;
    max-width: none;
    white-space: normal;
  }
}

/* ===== 科技感增强 ===== */

/* 通用小标签 eyebrow */
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.28em;
  font-weight: 600;
  color: var(--accent-light);
  margin-bottom: 14px;
}

.eyebrow-dark {
  color: var(--primary-light);
}

.section-title.light h2,
.section-title.light p {
  color: #fff;
}

.section-title.light p {
  color: rgba(255, 255, 255, 0.7);
}

/* 深色科技区块 */
.tech-section {
  position: relative;
  background: #0a1628;
  overflow: hidden;
}

.tech-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(54, 214, 195, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(54, 214, 195, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.tech-section::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(0, 168, 150, 0.18) 0%, transparent 60%);
  pointer-events: none;
}

.tech-section .container {
  position: relative;
  z-index: 2;
}

/* Hero 科技视觉 */
.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  z-index: 1;
}

.hero-glow-1 {
  width: 420px;
  height: 420px;
  top: -120px;
  right: 8%;
  background: radial-gradient(circle, rgba(0, 168, 150, 0.35) 0%, transparent 70%);
}

.hero-glow-2 {
  width: 380px;
  height: 380px;
  bottom: -140px;
  left: 4%;
  background: radial-gradient(circle, rgba(30, 106, 179, 0.4) 0%, transparent 70%);
}

.hero-inner {
  gap: 48px;
}

.hero-content {
  position: relative;
  z-index: 3;
}

.hero-badge {
  padding: 8px 16px;
  font-size: 0.85rem;
  margin-bottom: 28px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-light);
  box-shadow: 0 0 0 4px rgba(54, 214, 195, 0.25);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-mini-stats {
  display: flex;
  gap: 36px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-mini-stats div {
  display: flex;
  align-items: baseline;
  gap: 2px;
  flex-wrap: wrap;
}

.hero-mini-stats strong {
  font-size: 1.9rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.hero-mini-stats span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-light);
}

.hero-mini-stats i {
  flex-basis: 100%;
  font-style: normal;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 6px;
}

/* Hero 右侧数据网络 + 卡片 */
.hero-visual {
  position: relative;
  z-index: 3;
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.data-network {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.network-svg {
  width: 110%;
  max-width: 460px;
  opacity: 0.85;
}

.net-lines line {
  stroke-dasharray: 6 6;
  animation: dashMove 18s linear infinite;
}

@keyframes dashMove {
  to { stroke-dashoffset: -240; }
}

.node-pulse {
  transform-origin: 210px 210px;
  animation: nodePulse 3s ease-in-out infinite;
}

@keyframes nodePulse {
  0%, 100% { r: 26; opacity: 1; }
  50% { r: 30; opacity: 0.8; }
}

.net-nodes .node {
  transform-box: fill-box;
  transform-origin: center;
  animation: nodeFloat 6s ease-in-out infinite;
}

.net-nodes .node:nth-child(3) { animation-delay: -1s; }
.net-nodes .node:nth-child(4) { animation-delay: -2s; }
.net-nodes .node:nth-child(5) { animation-delay: -3s; }
.net-nodes .node:nth-child(6) { animation-delay: -4s; }

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

.hero-card {
  position: relative;
  z-index: 4;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(54, 214, 195, 0.3);
  border-radius: var(--radius-lg);
  padding: 28px 30px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  width: 100%;
  max-width: 360px;
  box-shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.5);
}

.hero-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
}

.hero-card h3 svg {
  width: 20px;
  height: 20px;
  color: var(--accent-light);
}

.flow-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.flow-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 10px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.92);
}

.flow-num {
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent) 0%, var(--primary-light) 100%);
  border-radius: 50%;
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
  color: #fff;
}

.flow-bar {
  margin-top: 18px;
  height: 4px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.flow-bar-fill {
  display: block;
  height: 100%;
  width: 40%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-light), var(--primary-light));
  animation: flowSlide 3.5s ease-in-out infinite;
}

@keyframes flowSlide {
  0%, 100% { width: 28%; }
  50% { width: 92%; }
}

/* Hero 滚动指示 */
.hero-scroll {
  position: absolute;
  bottom: 26px;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 42px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 14px;
  z-index: 3;
  display: flex;
  justify-content: center;
}

.hero-scroll span {
  width: 4px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent-light);
  margin-top: 7px;
  animation: scrollDot 1.8s infinite;
}

@keyframes scrollDot {
  0% { opacity: 0; transform: translateY(-4px); }
  40% { opacity: 1; }
  80% { opacity: 0; transform: translateY(12px); }
  100% { opacity: 0; }
}

/* 数据能力全景 */
.capability-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.capability-graph {
  position: relative;
}

.graph-svg {
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  display: block;
}

.graph-lines line {
  stroke-dasharray: 5 5;
  animation: dashMove 20s linear infinite;
}

.graph-nodes .gnode {
  transform-box: fill-box;
  transform-origin: center;
  animation: nodeFloat 5s ease-in-out infinite;
}

.graph-nodes .gnode:nth-child(3) { animation-delay: -0.8s; }
.graph-nodes .gnode:nth-child(4) { animation-delay: -1.6s; }
.graph-nodes .gnode:nth-child(5) { animation-delay: -2.4s; }
.graph-nodes .gnode:nth-child(6) { animation-delay: -3.2s; }
.graph-nodes .gnode:nth-child(7) { animation-delay: -4s; }

.graph-hub-text {
  fill: #fff;
  font-size: 14px;
  font-weight: 700;
}

.capability-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.cap-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 20px;
  transition: all 0.3s ease;
}

.cap-item:hover {
  background: rgba(54, 214, 195, 0.08);
  border-color: rgba(54, 214, 195, 0.35);
  transform: translateY(-4px);
}

.cap-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-light);
  box-shadow: 0 0 12px rgba(54, 214, 195, 0.7);
  margin-bottom: 12px;
}

.cap-item h4 {
  font-size: 1.02rem;
  color: #fff;
  margin-bottom: 6px;
  font-weight: 600;
}

.cap-item p {
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
}

/* 资源化→资产化→资本化 */
.pipeline-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 20px;
  align-items: stretch;
}

.phase-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  text-align: center;
  overflow: hidden;
  transition: all 0.3s ease;
}

.phase-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-light), var(--accent));
}

.phase-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.phase-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--bg-soft), #e6f4ff);
  color: var(--primary);
}

.phase-icon svg {
  width: 32px;
  height: 32px;
}

.phase-step {
  font-size: 2.4rem;
  font-weight: 800;
  color: rgba(10, 76, 138, 0.12);
  line-height: 1;
  margin-bottom: 6px;
}

.phase-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}

.phase-card p {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.7;
}

.phase-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}

.phase-arrow svg {
  width: 36px;
  height: 36px;
}

/* 数据要素生态 */
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.eco-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 22px 24px;
  transition: all 0.3s ease;
}

.eco-card:hover {
  background: rgba(54, 214, 195, 0.08);
  border-color: rgba(54, 214, 195, 0.4);
  transform: translateY(-4px);
}

.eco-mark {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
}

.eco-card strong {
  display: block;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.eco-card i {
  font-style: normal;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

/* 关于我们视觉装饰 */
.about-visual-box {
  position: relative;
  z-index: 2;
}

.about-visual-pattern {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.5;
  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;
  border-radius: var(--radius-lg);
}

/* CTA 网格背景 */
.cta-section {
  position: relative;
}

.cta-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 30%, transparent 75%);
}

/* 响应式 */
@media (max-width: 1024px) {
  .capability-wrap {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .pipeline-flow {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .phase-arrow {
    transform: rotate(90deg);
  }

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

@media (max-width: 768px) {
  .hero-mini-stats {
    gap: 22px;
  }

  .hero-mini-stats strong {
    font-size: 1.5rem;
  }

  .hero-visual {
    min-height: 480px;
  }

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

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

/* Animation helpers */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate {
  animation: fadeInUp 0.7s ease forwards;
}

/* ===== 新增科技感动态背景 ===== */

/* 区块级粒子网络 Canvas（由 JS 注入，置于内容底层） */
.tech-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.tech-section .container,
.cta-section .container {
  position: relative;
  z-index: 2;
}

/* 浅色区块：流动的科技网点矩阵 */
.tech-dots-bg {
  position: relative;
}

.tech-dots-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(10, 76, 138, 0.10) 1.4px, transparent 1.4px),
    radial-gradient(rgba(0, 168, 150, 0.08) 1.4px, transparent 1.4px);
  background-size: 34px 34px, 34px 34px;
  background-position: 0 0, 17px 17px;
  animation: dotsPan 36s linear infinite;
  opacity: 0.7;
}

.tech-dots-bg .container {
  position: relative;
  z-index: 1;
}

@keyframes dotsPan {
  0% { background-position: 0 0, 17px 17px; }
  100% { background-position: 34px 34px, 51px 51px; }
}

/* 浅色区块：漂浮光晕 */
.tech-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(70px);
  z-index: 0;
  pointer-events: none;
  opacity: 0.55;
}

.tech-glow--cyan {
  width: 320px;
  height: 320px;
  top: -80px;
  right: 4%;
  background: radial-gradient(circle, rgba(0, 168, 150, 0.18) 0%, transparent 70%);
}

.tech-glow--blue {
  width: 300px;
  height: 300px;
  bottom: -100px;
  left: 2%;
  background: radial-gradient(circle, rgba(30, 106, 179, 0.18) 0%, transparent 70%);
}

/* 页脚科技底纹 */
.footer {
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(54, 214, 195, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(54, 214, 195, 0.04) 1px, transparent 1px);
  background-size: 54px 54px;
}

.footer::after {
  content: "";
  position: absolute;
  top: -100px;
  left: -80px;
  width: 320px;
  height: 320px;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle, rgba(30, 106, 179, 0.22) 0%, transparent 60%);
  filter: blur(40px);
}

.footer .container {
  position: relative;
  z-index: 1;
}

/* ===== 页脚联系方式 + 微信公众号二维码 ===== */

/* 页脚 5 栏均衡分布：品牌 | 快速导航 | 核心服务 | 联系方式 | 二维码 */
.footer-brand .logo-text {
  font-size: 1.05rem;
  line-height: 1.25;
  white-space: normal;
  max-width: 100%;
}

.footer-brand .logo-text span {
  font-size: 0.5rem;
  letter-spacing: 0.1em;
  white-space: normal;
  max-width: 100%;
}

.footer-addr {
  display: inline-flex;
  align-items: flex-start;
  gap: 6px;
}

.footer-addr .addr-detail {
  display: flex;
  flex-direction: column;
}

.footer-addr .addr-line {
  display: block;
  white-space: nowrap;
}

.footer-phone span {
  white-space: nowrap;
}

.footer-qr-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-qr {
  text-align: center;
}

.footer-qr img {
  width: 108px;
  height: 108px;
  object-fit: contain;
  background: #fff;
  border-radius: 10px;
  padding: 6px;
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(54, 214, 195, 0.25);
  margin: 0 auto;
}

.footer-qr span {
  display: block;
  margin-top: 10px;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: 0.04em;
  text-align: center;
  white-space: nowrap;
}

/* 平板：页脚三列，联系信息与二维码各占一列 */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }

  .footer-qr-col {
    align-items: flex-start;
  }

  .footer-qr img {
    width: 120px;
    height: 120px;
  }
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-qr-col {
    align-items: center;
  }

  .footer-qr img {
    width: 110px;
    height: 110px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tech-dots-bg::before { animation: none; }
}