:root {
  --primary: #0b5cff;
  --primary-dark: #083b9a;
  --secondary: #15d1c5;
  --accent: #6f7cff;
  --text: #12213a;
  --text-light: #5d6b82;
  --bg: #f5f8fd;
  --white: #ffffff;
  --border: rgba(18, 33, 58, 0.1);
  --shadow: 0 16px 40px rgba(11, 92, 255, 0.12);
  --radius: 18px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
}

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

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

.container {
  width: min(var(--container), calc(100% - 32px));
  margin: 0 auto;
}

.topbar {
  background: #07142c;
  color: rgba(255, 255, 255, 0.75);
  font-size: 13px;
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
}

.topbar-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(18, 33, 58, 0.06);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand img {
  width: 56px;
  height: 56px;
  object-fit: contain;
}

.brand-text strong {
  display: block;
  font-size: 20px;
  line-height: 1.2;
}

.brand-text span {
  color: var(--text-light);
  font-size: 13px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-menu a {
  position: relative;
  font-weight: 600;
  color: #22324d;
}

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

.nav-menu a.active::after,
.nav-menu a:hover::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.nav-cta,
.btn,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 700;
  transition: 0.25s ease;
}

.nav-cta,
.btn {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 14px 28px rgba(11, 92, 255, 0.24);
}

.nav-cta:hover,
.btn:hover {
  transform: translateY(-2px);
}

.btn-outline {
  border: 1px solid rgba(11, 92, 255, 0.25);
  color: var(--primary);
  background: rgba(11, 92, 255, 0.05);
}

.mobile-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--white);
  font-size: 20px;
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at left top, rgba(21, 209, 197, 0.18), transparent 30%),
    radial-gradient(circle at right top, rgba(111, 124, 255, 0.22), transparent 35%),
    linear-gradient(135deg, #07152e 0%, #0a2353 45%, #0b5cff 100%);
  color: var(--white);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.25;
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
  padding: 92px 0;
}

.hero-tag {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.16);
  font-size: 14px;
}

.hero h1,
.page-banner h1 {
  margin: 18px 0 16px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.15;
}

.hero p,
.page-banner p {
  max-width: 720px;
  margin: 0 0 28px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 17px;
}

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

.hero-panel {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 28px;
  padding: 28px;
  backdrop-filter: blur(10px);
  box-shadow: 0 18px 50px rgba(2, 12, 33, 0.28);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 22px;
}

.metric-card {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
}

.metric-card strong {
  display: block;
  font-size: 28px;
  margin-bottom: 6px;
}

.section {
  padding: 86px 0;
}

.section-light {
  background: var(--bg);
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 34px;
}

.section-head h2 {
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
}

.section-head p {
  margin: 0;
  max-width: 640px;
  color: var(--text-light);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: 24px;
}

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

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

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

.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(11, 92, 255, 0.06);
}

.card h3,
.card h4 {
  margin-top: 0;
  margin-bottom: 12px;
}

.card p,
.card li,
.list-muted li {
  color: var(--text-light);
}

.icon-badge {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--primary);
  font-size: 24px;
  background: linear-gradient(135deg, rgba(11, 92, 255, 0.12), rgba(21, 209, 197, 0.12));
}

.highlight-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: -44px;
  position: relative;
  z-index: 2;
}

.highlight-item {
  padding: 24px;
  border-radius: 20px;
  background: var(--white);
  box-shadow: var(--shadow);
  border: 1px solid rgba(11, 92, 255, 0.08);
}

.highlight-item strong {
  display: block;
  font-size: 28px;
  margin-bottom: 6px;
}

.process {
  counter-reset: step;
}

.process .card {
  position: relative;
  overflow: hidden;
}

.process .card::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  position: absolute;
  right: 22px;
  top: 18px;
  font-size: 46px;
  line-height: 1;
  font-weight: 800;
  color: rgba(11, 92, 255, 0.08);
}

.case-card,
.news-card {
  padding: 0;
  overflow: hidden;
}

.card-cover {
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #102958, #0b5cff 55%, #15d1c5);
  padding: 26px;
  color: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.card-body {
  padding: 26px;
}

.card-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-light);
}

.tag {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  background: rgba(11, 92, 255, 0.08);
  color: var(--primary);
}

.page-banner {
  color: var(--white);
  background: linear-gradient(135deg, #08162f 0%, #0b5cff 100%);
}

.page-banner .container {
  padding: 72px 0;
}

.breadcrumb {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
}

th,
 td {
  padding: 16px 18px;
  text-align: left;
  border-bottom: 1px solid rgba(18, 33, 58, 0.08);
}

th {
  background: #f0f5ff;
}

.timeline {
  display: grid;
  gap: 18px;
}

.timeline-item {
  position: relative;
  padding: 24px 24px 24px 66px;
  border-radius: 18px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 28px;
  top: 30px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 8px rgba(11, 92, 255, 0.12);
}

.contact-box {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.contact-panel {
  padding: 30px;
  border-radius: 22px;
  background: var(--white);
  box-shadow: var(--shadow);
}

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

.contact-list div {
  padding: 16px 18px;
  border-radius: 16px;
  background: #f7faff;
}

.fake-map {
  min-height: 100%;
  background: linear-gradient(135deg, rgba(11, 92, 255, 0.1), rgba(21, 209, 197, 0.16));
  border: 1px dashed rgba(11, 92, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.cta-banner {
  padding: 38px;
  border-radius: 28px;
  background: linear-gradient(135deg, #0d2153, #0b5cff, #15d1c5);
  color: var(--white);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  box-shadow: 0 22px 50px rgba(11, 92, 255, 0.2);
}

.cta-banner p {
  color: rgba(255,255,255,0.86);
  margin: 8px 0 0;
}

.site-footer {
  background: #08111f;
  color: rgba(255, 255, 255, 0.72);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 28px;
  padding: 70px 0 32px;
}

.footer-grid h4 {
  color: var(--white);
  margin-top: 0;
  margin-bottom: 14px;
}

.footer-grid a {
  display: block;
  margin: 8px 0;
}

.footer-bottom {
  padding: 18px 0 28px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
}

.list-muted,
.check-list {
  margin: 0;
  padding-left: 18px;
}

.check-list li::marker {
  color: var(--primary);
}

@media (max-width: 1080px) {
  .hero .container,
  .contact-box,
  .footer-grid,
  .grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .grid-3,
  .highlight-strip {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .mobile-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .nav-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
    padding: 10px;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu a,
  .nav-menu .nav-cta {
    padding: 14px 16px;
    border-radius: 14px;
  }

  .nav-menu a.active::after,
  .nav-menu a:hover::after {
    display: none;
  }

  .navbar {
    min-height: 74px;
    position: relative;
  }

  .hero .container,
  .grid-2,
  .grid-3,
  .grid-4,
  .highlight-strip,
  .contact-box,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .section,
  .hero .container,
  .page-banner .container {
    padding-top: 64px;
    padding-bottom: 64px;
  }

  .cta-banner,
  .section-head,
  .topbar .container {
    flex-direction: column;
    align-items: flex-start;
  }
}

.product-grid {
  align-items: stretch;
}

.product-card {
  display: flex;
  flex-direction: column;
}

.product-brief {
  flex: 1;
  margin-bottom: 16px;
}

.product-price {
  margin: 0 0 18px;
  padding: 16px 0;
  border-top: 1px solid rgba(18, 33, 58, 0.08);
  border-bottom: 1px solid rgba(18, 33, 58, 0.08);
}

.price-amount {
  font-size: 36px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.price-unit {
  font-size: 15px;
  color: var(--text-light);
  margin-left: 4px;
}

.product-features {
  margin-bottom: 18px;
}

.product-details {
  margin-bottom: 20px;
  border-radius: 14px;
  background: #f7faff;
  overflow: hidden;
}

.product-details summary {
  padding: 14px 18px;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.product-details summary::-webkit-details-marker {
  display: none;
}

.product-details summary::after {
  content: "＋";
  float: right;
  font-weight: 400;
}

.product-details[open] summary::after {
  content: "－";
}

.product-detail-body {
  padding: 0 18px 18px;
  border-top: 1px solid rgba(11, 92, 255, 0.08);
}

.product-detail-body h4 {
  margin: 16px 0 8px;
  font-size: 15px;
  color: var(--text);
}

.product-detail-body p {
  margin: 0;
  font-size: 14px;
  color: var(--text-light);
}

.product-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: auto;
}

.product-actions .btn,
.product-actions .btn-outline {
  flex: 1;
  min-width: 120px;
  padding: 12px 18px;
  font-size: 14px;
}

.product-notice {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: 14px;
  background: #fff8e6;
  border: 1px solid rgba(255, 170, 0, 0.25);
  color: #8a6a00;
  font-size: 14px;
}

.product-actions .btn-buy {
  border: none;
  cursor: pointer;
  font-family: inherit;
}

body.modal-open {
  overflow: hidden;
}

.pay-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.pay-modal.open {
  opacity: 1;
  visibility: visible;
}

.pay-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(7, 20, 44, 0.55);
  backdrop-filter: blur(4px);
}

.pay-modal-box {
  position: relative;
  width: min(360px, 100%);
  background: var(--white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.22);
  transform: translateY(16px) scale(0.97);
  transition: transform 0.25s ease;
}

.pay-modal.open .pay-modal-box {
  transform: translateY(0) scale(1);
}

.pay-modal-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 18px 20px;
  background: #07c160;
  color: var(--white);
  font-weight: 700;
  font-size: 17px;
}

.pay-modal-header svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

.pay-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.22);
  color: var(--white);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pay-modal-body {
  padding: 28px 24px 24px;
  text-align: center;
}

.pay-modal-body h3 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--text);
}

.pay-modal-amount {
  margin: 0 0 22px;
  font-size: 36px;
  font-weight: 800;
  color: #07c160;
  line-height: 1;
}

.pay-qr-wrap {
  display: inline-block;
  padding: 12px;
  border: 1px solid rgba(18, 33, 58, 0.1);
  border-radius: 12px;
  background: var(--white);
  margin-bottom: 16px;
}

#pay-qr {
  display: block;
  width: 200px;
  height: 200px;
}

.pay-modal-tip {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--text);
  font-weight: 600;
}

.pay-modal-note {
  margin: 0;
  font-size: 12px;
  color: var(--text-light);
}

@media (max-width: 560px) {
  .brand img {
    width: 46px;
    height: 46px;
  }

  .brand-text strong {
    font-size: 17px;
  }

  .hero h1,
  .page-banner h1 {
    font-size: 32px;
  }

  .hero-panel,
  .card,
  .contact-panel,
  .cta-banner {
    padding: 22px;
  }
}