:root {
  --primary: #165dff;
  --primary-dark: #1147c8;
  --secondary: #0f172a;
  --accent: #38bdf8;
  --text: #1f2937;
  --muted: #64748b;
  --line: rgba(15, 23, 42, 0.08);
  --white: #ffffff;
  --surface: rgba(255, 255, 255, 0.9);
  --bg-top: #eef5ff;
  --bg-bottom: #f8fafc;
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12);
  --shadow-md: 0 14px 36px rgba(15, 23, 42, 0.08);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --max-width: 1180px;
  --transition: all 0.28s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  color: var(--text);
  line-height: 1.7;
  background:
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.14), transparent 26%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 44%, #ffffff 100%);
}

body.nav-open {
  overflow: hidden;
}

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

button {
  font: inherit;
}

.container {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand-logo {
  width: 48px;
  height: 48px;
  box-shadow: 0 12px 28px rgba(22, 93, 255, 0.28);
  flex: 0 0 48px;
}

.brand-text {
  display: grid;
  min-width: 0;
}

.brand-text strong {
  color: var(--secondary);
  font-size: 1rem;
  font-weight: 700;
}

.brand-text small {
  color: var(--muted);
  font-size: 0.88rem;
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 10px;
  list-style: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  color: #334155;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
  background: rgba(22, 93, 255, 0.08);
}

.menu-toggle {
  display: none;
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  background: rgba(22, 93, 255, 0.08);
  color: var(--primary);
  cursor: pointer;
}

.hero {
  padding: 96px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  gap: 28px;
  align-items: center;
}

.eyebrow,
.section-kicker,
.panel-badge {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(22, 93, 255, 0.08);
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 600;
}

.hero-copy h1 {
  margin-top: 18px;
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  line-height: 1.08;
  color: var(--secondary);
  letter-spacing: -0.03em;
}

.hero-text,
.section-heading p,
.info-card p,
.service-card p,
.contact-note,
.compliance-list li,
.footer-block span,
.map-address p {
  color: var(--muted);
}

.hero-text {
  margin-top: 18px;
  max-width: 680px;
  font-size: 1.04rem;
}

.hero-tags,
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-tags span {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(22, 93, 255, 0.1);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
  font-weight: 500;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 600;
  transition: var(--transition);
}

.btn-small {
  min-height: 42px;
  padding: 0 18px;
}

.btn-primary {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), #4f8cff);
  box-shadow: 0 14px 28px rgba(22, 93, 255, 0.24);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
}

.btn-secondary {
  color: var(--secondary);
  background: rgba(255, 255, 255, 0.92);
  border-color: var(--line);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  border-color: rgba(22, 93, 255, 0.18);
  color: var(--primary);
}

.hero-panel,
.service-card,
.info-card,
.compliance-card,
.contact-card,
.map-card {
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 251, 255, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.75);
  box-shadow: var(--shadow-md);
}

.hero-panel {
  padding: 30px;
  box-shadow: var(--shadow-lg);
}

.panel-head h2 {
  margin-top: 16px;
  font-size: 1.72rem;
  line-height: 1.3;
  color: var(--secondary);
}

.panel-grid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.panel-grid article,
.info-list div {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
}

.panel-grid strong,
.info-list strong,
.contact-list strong,
.map-address strong {
  display: block;
  color: var(--secondary);
  margin-bottom: 6px;
}

.section {
  padding: 88px 0;
}

.section-alt {
  background: linear-gradient(180deg, rgba(239, 246, 255, 0.54), rgba(255, 255, 255, 0.94));
}

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

.section-heading h2 {
  margin-top: 14px;
  font-size: clamp(1.9rem, 3.2vw, 2.8rem);
  line-height: 1.2;
  color: var(--secondary);
}

.section-heading p:last-child {
  margin-top: 14px;
}

.service-grid,
.about-grid,
.contact-grid {
  margin-top: 34px;
  display: grid;
  gap: 22px;
}

.service-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.service-card,
.info-card,
.contact-card,
.map-card {
  padding: 28px;
  transition: var(--transition);
}

.service-card:hover,
.info-card:hover,
.contact-card:hover,
.map-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

.service-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(22, 93, 255, 0.14), rgba(56, 189, 248, 0.18));
  color: var(--primary);
  font-weight: 700;
  margin-bottom: 18px;
}

.service-card h3,
.info-card h3,
.compliance-card h3,
.contact-card h3,
.map-card h3 {
  font-size: 1.22rem;
  color: var(--secondary);
  margin-bottom: 12px;
}

.service-card ul,
.compliance-list,
.contact-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.service-card li::before,
.compliance-list li::before {
  content: "•";
  color: var(--primary);
  font-weight: 700;
  margin-right: 8px;
}

.info-list {
  display: grid;
  gap: 14px;
}

.compliance-card {
  margin-top: 24px;
  padding: 28px;
}

.compliance-list {
  margin-top: 18px;
  gap: 12px;
}

.compliance-list li {
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(22, 93, 255, 0.05);
  border: 1px solid rgba(22, 93, 255, 0.08);
}

.contact-list li {
  padding: 16px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
}

.contact-note {
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 4px solid var(--primary);
  border-radius: 0 14px 14px 0;
  background: rgba(22, 93, 255, 0.05);
}

.map-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.map-card-head span {
  color: var(--primary);
  font-size: 0.92rem;
  font-weight: 600;
}

.map-visual {
  position: relative;
  height: 300px;
  margin-top: 18px;
  overflow: hidden;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(22, 93, 255, 0.06), rgba(56, 189, 248, 0.14)),
    linear-gradient(135deg, #edf5ff, #f8fbff 52%, #eef8ff);
  border: 1px solid rgba(22, 93, 255, 0.08);
}

.map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(22, 93, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(22, 93, 255, 0.08) 1px, transparent 1px);
  background-size: 44px 44px;
}

.map-route {
  position: absolute;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(22, 93, 255, 0.12), rgba(56, 189, 248, 0.35));
}

.map-route-a {
  width: 88%;
  height: 16px;
  left: -4%;
  top: 44%;
  transform: rotate(-18deg);
}

.map-route-b {
  width: 72%;
  height: 16px;
  right: -8%;
  top: 26%;
  transform: rotate(24deg);
}

.map-marker {
  position: absolute;
  top: 44%;
  left: 54%;
  transform: translate(-50%, -50%);
  width: 34px;
  height: 34px;
}

.marker-dot,
.marker-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.marker-dot {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 0 8px rgba(22, 93, 255, 0.12);
}

.marker-pulse {
  animation: pulse 2.4s infinite;
  background: rgba(22, 93, 255, 0.18);
}

.map-label {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 22px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(22, 93, 255, 0.08);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.map-label strong {
  display: block;
  color: var(--secondary);
}

.map-label span {
  color: var(--muted);
  font-size: 0.94rem;
}

.map-address {
  margin-top: 18px;
}

.map-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.site-footer {
  padding: 30px 0 36px;
  background: #0f172a;
  color: rgba(255, 255, 255, 0.8);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.footer-block {
  display: grid;
  gap: 6px;
  max-width: 560px;
}

.footer-block strong {
  color: #ffffff;
}

.footer-block-right {
  text-align: right;
}

.icp-link {
  color: #93c5fd;
  font-weight: 600;
}

.icp-link:hover {
  color: #dbeafe;
  text-decoration: underline;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse {
  0% {
    transform: scale(1);
    opacity: 0.9;
  }

  70% {
    transform: scale(2.4);
    opacity: 0;
  }

  100% {
    transform: scale(2.4);
    opacity: 0;
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .service-grid,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

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

@media (max-width: 820px) {
  .container {
    width: min(var(--max-width), calc(100% - 28px));
  }

  .header-inner {
    min-height: auto;
    flex-wrap: wrap;
    padding: 14px 0;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    width: 100%;
  }

  .site-nav ul {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding-top: 8px;
  }

  .site-nav ul.open {
    display: flex;
  }

  .nav-link {
    justify-content: flex-start;
    border-radius: 14px;
  }

  .section,
  .hero {
    padding: 72px 0;
  }

  .service-grid,
  .about-grid,
  .contact-grid,
  .panel-grid {
    grid-template-columns: 1fr;
  }

  .footer-block-right {
    text-align: left;
  }
}

@media (max-width: 560px) {
  .brand-logo {
    width: 44px;
    height: 44px;
    flex-basis: 44px;
  }

  .brand-text strong {
    font-size: 0.95rem;
  }

  .hero-copy h1 {
    font-size: 2.1rem;
  }

  .hero-panel,
  .service-card,
  .info-card,
  .compliance-card,
  .contact-card,
  .map-card {
    padding: 22px;
    border-radius: 22px;
  }

  .map-visual {
    height: 260px;
  }
}
/* =========================
   底部备案号
========================= */

.icp-bottom {
    width: 100%;
    text-align: center;
    padding: 20px 0 25px;
    border-top: 1px solid rgba(255,255,255,.08);
}

.icp-bottom a {
    font-size: 18px;          /* 字体变大 */
    font-weight: 600;         /* 加粗 */
    color: #9ca3af;           /* 默认颜色 */
    text-decoration: none;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.icp-bottom a:hover {
    color: #3b82f6;           /* 鼠标移入变蓝色 */
    text-shadow: 0 0 8px rgba(59,130,246,.4);
}