:root {
  --bg: #f5f7fb;
  --bg-alt: #ffffff;
  --card-bg: #ffffff;
  --accent: #0076ff;
  --accent-strong: #0057d6;
  --accent-soft: rgba(0, 118, 255, 0.08);
  --text-main: #121826;
  --text-muted: #5b667a;
  --border-subtle: rgba(15, 35, 65, 0.1);
  --accent-warm: #ff7a1a;
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text-main);
}

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

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

.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 24;
  backdrop-filter: blur(14px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(15, 35, 65, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background: radial-gradient(circle at 10% 0, #ffffff 0, #e0f0ff 26%, #0076ff 70%, #002b7f 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.05em;
  box-shadow:
    0 0 0 1px rgba(121, 226, 255, 0.8),
    0 16px 40px rgba(0, 0, 0, 0.9);
}

.logo-text {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.12em;
}

.main-nav {
  display: flex;
  gap: 18px;
  font-size: 14px;
}

.main-nav a {
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--text-muted);
  transition: color 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.main-nav a:hover {
  color: var(--accent-strong);
  background-color: rgba(0, 118, 255, 0.06);
}

.main-nav a.active {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 8px 20px rgba(0, 87, 214, 0.35);
}

.hero {
  position: relative;
}

.hero-full {
  padding: 0;
}

.hero-media img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  display: block;
}

.hero-overlay {
  position: relative;
  margin-top: -140px;
  padding-bottom: 32px;
}

.hero-content {
  max-width: 640px;
  padding: 18px 20px 22px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 40px rgba(15, 35, 65, 0.2);
}

.hero-content h1 {
  font-size: 30px;
  margin: 0 0 10px;
}

.hero-content p {
  margin: 0 0 14px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.08s ease-out, border-color 0.2s ease;
}

.btn:active {
  transform: translateY(1px) scale(0.99);
}

.primary-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #ffffff;
  box-shadow: 0 12px 24px rgba(0, 87, 214, 0.35);
}

.primary-btn:hover {
  box-shadow: 0 16px 32px rgba(0, 87, 214, 0.45);
}

.ghost-btn {
  border-color: rgba(0, 87, 214, 0.26);
  color: var(--accent-strong);
  background-color: #ffffff;
}

.ghost-btn:hover {
  background-color: rgba(0, 118, 255, 0.04);
}

/* 取消旧首页徽章样式，改用条带式频道 */

.section {
  padding: 56px 0 40px;
}

.section-light {
  background: #ffffff;
}

.stripe {
  padding: 40px 0 40px;
}

.stripe-categories {
  background: #ffffff;
}

.stripe-story {
  background: #f5f7fb;
}

.stripe-inner {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.stripe-title-block h2 {
  margin: 8px 0 8px;
  font-size: 22px;
}

.stripe-title-block p {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

.stripe-kicker {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background-color: rgba(0, 118, 255, 0.06);
  color: var(--accent-strong);
  font-size: 12px;
}

.stripe-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.stripe-card {
  padding: 16px 16px 18px;
  border-radius: 16px;
  background: #f9fbff;
  border: 1px solid rgba(15, 35, 65, 0.08);
}

.stripe-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.stripe-card p {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.text-link {
  font-size: 13px;
  color: var(--accent-strong);
}

.text-link:hover {
  text-decoration: underline;
}

.story-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 24px;
  align-items: flex-start;
}

.story-copy h2 {
  margin: 0 0 10px;
  font-size: 22px;
}

.story-copy p {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

.story-aside {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.story-metric {
  padding: 10px 12px;
  border-radius: 12px;
  background: #ffffff;
  border: 1px solid rgba(15, 35, 65, 0.08);
  font-size: 13px;
}

.story-metric strong {
  display: block;
  margin-bottom: 2px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  padding: 18px 18px 20px;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 24px rgba(15, 35, 65, 0.08);
}

.feature-card h2 {
  font-size: 18px;
  margin: 0 0 10px;
}

.feature-card p {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

.highlight-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 28px;
  align-items: flex-start;
}

.highlight-text h2 {
  font-size: 22px;
  margin: 0 0 12px;
}

.highlight-text p {
  margin: 0 0 10px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}

.highlight-text .btn {
  margin-top: 10px;
}

.highlight-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.mini-card {
  padding: 14px 14px 16px;
  border-radius: 18px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 8px 20px rgba(15, 35, 65, 0.06);
}

.mini-card h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.mini-card p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.site-footer {
  padding: 32px 0 10px;
  background: #ffffff;
  border-top: 1px solid rgba(15, 35, 65, 0.06);
  margin-top: 20px;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr) minmax(0, 1fr);
  gap: 18px;
  font-size: 13px;
}

.footer-brand p {
  margin: 8px 0 0;
  color: var(--text-muted);
  line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
  margin: 0 0 8px;
  font-size: 14px;
}

.footer-links a {
  display: block;
  margin-bottom: 4px;
  color: var(--text-muted);
  font-size: 13px;
}

.footer-links a:hover {
  color: var(--text-main);
}

.footer-contact p {
  margin: 0 0 4px;
  color: var(--text-muted);
}

.footer-bottom {
  margin-top: 16px;
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
}

main {
  min-height: calc(100vh - 220px);
}

.page-hero {
  padding: 56px 0 30px;
}

.page-hero-title {
  font-size: 26px;
  margin: 0 0 10px;
}

.page-hero-subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 14px;
}

.two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 26px;
  align-items: flex-start;
}

.card {
  padding: 18px 18px 20px;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 10px 24px rgba(15, 35, 65, 0.08);
}

.card h2,
.card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.card p,
.card li {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

.card ul {
  margin: 0;
  padding-left: 18px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.tag {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  background-color: var(--accent-soft);
  color: var(--accent-strong);
  border: 1px solid rgba(0, 118, 255, 0.32);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 24px rgba(15, 35, 65, 0.08);
}

.product-media {
  position: relative;
  overflow: hidden;
}

.product-media img {
  height: 160px;
  width: 100%;
  object-fit: cover;
}

.product-meta {
  position: absolute;
  inset: auto 10px 10px 10px;
  display: flex;
  justify-content: space-between;
  gap: 6px;
  font-size: 11px;
}

.chip {
  padding: 4px 8px;
  border-radius: 999px;
  background-color: rgba(0, 0, 0, 0.64);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.product-body {
  padding: 14px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.product-body h3 {
  margin: 0;
  font-size: 15px;
}

.product-body p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.solution-tag {
  font-size: 12px;
  padding: 3px 8px;
  border-radius: 999px;
  background-color: rgba(0, 118, 255, 0.06);
  border: 1px solid rgba(0, 118, 255, 0.2);
  color: var(--accent-strong);
}

.stripe-solutions {
  background: #ffffff;
}

.solution-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.solution-step {
  padding: 14px 14px 16px;
  border-radius: 14px;
  background: #f9fbff;
  border: 1px solid rgba(15, 35, 65, 0.08);
}

.solution-step-header {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 6px;
}

.solution-step-index {
  min-width: 36px;
  height: 24px;
  border-radius: 999px;
  background: rgba(0, 118, 255, 0.08);
  color: var(--accent-strong);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.solution-step-header h3 {
  margin: 0 0 2px;
  font-size: 16px;
}

.solution-step-header p {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
}

.solution-step-body p {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.solution-step-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stripe-products {
  background: #f5f7fb;
}

.product-band {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.3fr);
  gap: 20px;
  align-items: center;
  padding: 18px 16px;
  margin-top: 16px;
  border-radius: 18px;
  background: #ffffff;
  border: 1px solid rgba(15, 35, 65, 0.08);
  box-shadow: 0 10px 24px rgba(15, 35, 65, 0.08);
}

.product-band-media img {
  width: 100%;
  height: 210px;
  object-fit: cover;
  border-radius: 14px;
}

.product-band-body h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.product-band-body p {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

.product-band-body ul {
  margin: 0 0 6px 16px;
  padding: 0;
}

.product-band-body li {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 24px;
}

.contact-item {
  margin-bottom: 8px;
}

.contact-item strong {
  display: inline-block;
  min-width: 90px;
}

.contact-note {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-muted);
}

.map-placeholder {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
}

.map-placeholder img {
  height: 220px;
  width: 100%;
  object-fit: cover;
}

.seo-block {
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 16px;
  background-color: #f5f7fb;
  border: 1px dashed rgba(15, 35, 65, 0.2);
  font-size: 12px;
  color: var(--text-muted);
}

@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1.1fr);
  }

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

  .highlight-grid,
  .two-col,
  .contact-grid,
  .story-inner,
  .product-band {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    height: auto;
    padding: 8px 0 10px;
  }

  .main-nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .hero-overlay {
    margin-top: -60px;
  }

  .hero-content {
    max-width: none;
  }

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

  .grid-3,
  .solutions-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .product-band {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  main {
    min-height: auto;
  }
}