/* 看店AI — 官网样式 */
:root {
  --color-primary: #0b9a8f;
  --color-primary-dark: #0a7a72;
  --color-primary-light: #14b8a6;
  --color-primary-soft: rgba(11, 154, 143, 0.08);
  --color-accent: #e8952e;
  --color-accent-soft: rgba(232, 149, 46, 0.12);
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fa;
  --color-bg-elevated: #ffffff;
  --color-bg-dark: #0c1222;
  --color-text: #152033;
  --color-text-muted: #5c6b82;
  --color-border: #e4eaf2;
  --color-border-light: #eef2f7;
  --font-sans: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --shadow-sm: 0 1px 3px rgba(15, 32, 51, 0.06);
  --shadow-md: 0 8px 32px rgba(15, 32, 51, 0.08);
  --shadow-lg: 0 20px 50px rgba(15, 32, 51, 0.12);
  --shadow-card: 0 4px 20px rgba(15, 32, 51, 0.06);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --header-h: 72px;
  --container: 1140px;
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  --gradient-primary: linear-gradient(135deg, #0b9a8f 0%, #14b8a6 100%);
  --gradient-hero: radial-gradient(ellipse 90% 70% at 75% 0%, rgba(11, 154, 143, 0.14), transparent 55%),
    radial-gradient(ellipse 60% 50% at 10% 90%, rgba(232, 149, 46, 0.06), transparent 50%),
    linear-gradient(180deg, #f8fafc 0%, #fff 72%);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

ul {
  list-style: none;
}

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

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
}

.btn-ghost:hover {
  color: var(--color-primary);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 15px;
}

.btn-block {
  width: 100%;
}

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 18px;
}

.logo-mark {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  border-radius: 10px;
  font-size: 16px;
  font-weight: 700;
}

.logo-accent {
  color: var(--color-primary);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 4px;
  padding: 8px 14px;
  text-align: left;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover,
.nav-item:hover > .nav-link {
  color: var(--color-primary);
  background: rgba(13, 148, 136, 0.06);
}

.chevron {
  opacity: 0.5;
  transition: transform var(--transition);
}

.nav-item:hover .chevron {
  transform: rotate(180deg);
}

/* Dropdown (二级菜单) */
.has-dropdown {
  position: relative;
}

.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  transform: translateY(8px);
  min-width: 100%;
  width: max-content;
  padding: 8px 0;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(4px);
}

.dropdown li a {
  display: block;
  padding: 10px 14px;
  text-align: left;
  font-size: 14px;
  color: var(--color-text-muted);
  border-radius: 8px;
  transition: all var(--transition);
}

.dropdown li a:hover {
  color: var(--color-primary);
  background: rgba(13, 148, 136, 0.08);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 16px;
}

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

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: var(--transition);
}

/* Hero */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 80px) 0 100px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(13, 148, 136, 0.12), transparent),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(245, 158, 11, 0.06), transparent),
    linear-gradient(180deg, #f8fafc 0%, #fff 100%);
  z-index: -1;
}

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

.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  margin-bottom: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-primary-dark);
  background: rgba(13, 148, 136, 0.1);
  border-radius: 100px;
}

.hero h1 {
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 17px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat strong {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
}

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

.stat-divider {
  width: 1px;
  height: 36px;
  background: var(--color-border);
}

/* Hero visual */
.hero-visual {
  position: relative;
  min-height: 400px;
}

.hero-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.hero-card-main {
  padding: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.card-header .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #e2e8f0;
}

.card-header .dot:nth-child(1) { background: #f87171; }
.card-header .dot:nth-child(2) { background: #fbbf24; }
.card-header .dot:nth-child(3) { background: #34d399; }

.preview-line {
  height: 10px;
  background: #f1f5f9;
  border-radius: 4px;
  margin-bottom: 12px;
}

.preview-line.w80 { width: 80%; }
.preview-line.w60 { width: 60%; }

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 20px 0;
}

.preview-thumb {
  aspect-ratio: 1;
  background: linear-gradient(145deg, #f1f5f9, #e2e8f0);
  border-radius: 8px;
}

.preview-thumb.accent {
  background: linear-gradient(145deg, rgba(13, 148, 136, 0.2), rgba(13, 148, 136, 0.05));
  border: 1px dashed var(--color-primary);
}

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

.preview-tags span {
  padding: 4px 10px;
  font-size: 12px;
  color: var(--color-primary-dark);
  background: rgba(13, 148, 136, 0.1);
  border-radius: 6px;
}

.hero-card-float {
  position: absolute;
  bottom: 24px;
  left: -24px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  animation: float 4s ease-in-out infinite;
}

.float-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
}

.hero-card-float p {
  font-size: 13px;
  font-weight: 500;
  margin: 0;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* Sections */
.section {
  padding: 100px 0;
}

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

.section-head {
  max-width: 640px;
  margin-bottom: 56px;
}

.section-head.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-head p {
  font-size: 17px;
  color: var(--color-text-muted);
}

/* Product cards */
.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.product-card {
  position: relative;
  padding: 32px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.product-card:hover {
  border-color: rgba(13, 148, 136, 0.3);
  box-shadow: var(--shadow-md);
}

.product-card.featured {
  border-color: var(--color-primary);
  background: linear-gradient(180deg, rgba(13, 148, 136, 0.04) 0%, #fff 40%);
}

.product-badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: var(--color-accent);
  border-radius: 6px;
}

.product-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
}

.product-card > p {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

/* Solutions */
.solution-content h3 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 16px;
}

.solution-content > p {
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.solution-content ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
  font-size: 15px;
  color: var(--color-text);
}

.solution-content ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 600;
}

.link-arrow {
  display: inline-block;
  margin-top: 24px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-primary);
}

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

.solution-visual {
  min-height: 280px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(145deg, rgba(13, 148, 136, 0.15), rgba(13, 148, 136, 0.05));
  border-radius: var(--radius);
}

.solution-visual.platform-jd {
  background: linear-gradient(145deg, rgba(225, 37, 27, 0.12), rgba(225, 37, 27, 0.04));
}

.solution-visual.platform-douyin {
  background: linear-gradient(145deg, rgba(254, 44, 85, 0.12), rgba(254, 44, 85, 0.04));
}

.solution-visual.platform-cross {
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.12), rgba(59, 130, 246, 0.04));
}

.platform-tag {
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 600;
  background: #fff;
  border-radius: 100px;
  box-shadow: var(--shadow-sm);
}

/* Steps */
.steps {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.step {
  flex: 1;
  min-width: 220px;
  max-width: 300px;
  text-align: center;
  padding: 32px 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.step-num {
  display: inline-block;
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  opacity: 0.4;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.step p {
  font-size: 14px;
  color: var(--color-text-muted);
}

.step-arrow {
  align-self: center;
  font-size: 24px;
  color: var(--color-border);
  padding-top: 48px;
}

/* Cases */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.case-card {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.case-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text);
  margin-bottom: 24px;
}

.case-card footer strong {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}

.case-card footer span {
  font-size: 13px;
  color: var(--color-text-muted);
}

.logo-wall {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.logo-wall span {
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.pricing-card {
  position: relative;
  padding: 36px 28px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
}

.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: scale(1.02);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: var(--color-primary);
  border-radius: 100px;
}

.pricing-card h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.pricing-desc {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.pricing-price {
  margin-bottom: 28px;
}

.pricing-price .currency {
  font-size: 20px;
  font-weight: 600;
  vertical-align: top;
}

.pricing-price .amount {
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.pricing-price .amount.custom {
  font-size: 36px;
}

.pricing-price .period {
  font-size: 15px;
  color: var(--color-text-muted);
}

.pricing-card ul {
  flex: 1;
  margin-bottom: 28px;
}

.pricing-card ul li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.pricing-card ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 600;
}

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-content p {
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.value-item {
  padding: 24px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.value-item strong {
  display: block;
  font-size: 16px;
  margin-bottom: 6px;
}

.value-item span {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* Contact form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.contact-form input,
.contact-form select {
  width: 100%;
  padding: 14px 16px;
  font-size: 14px;
  font-family: inherit;
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  outline: none;
  transition: border-color var(--transition);
}

.contact-form input:focus,
.contact-form select:focus {
  border-color: var(--color-primary);
}

.contact-form select {
  cursor: pointer;
  color: var(--color-text-muted);
}

/* Footer */
.site-footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 64px;
  padding: 64px 24px 48px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a,
.footer-col li {
  font-size: 14px;
  color: var(--color-text-muted);
}

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

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid var(--color-border);
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer-bottom-left {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-bottom a:hover,
.footer-legal a:hover {
  color: var(--color-primary);
}

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

  .hero-visual {
    order: -1;
    min-height: 320px;
  }

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

  .cases-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card.featured {
    transform: none;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

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

  .step-arrow {
    display: none;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    background: #fff;
    border-top: 1px solid var(--color-border);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    overflow-y: auto;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
  }

  .nav-item {
    border-bottom: 1px solid var(--color-border);
  }

  .has-dropdown .dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    box-shadow: none;
    border: none;
    padding: 0 0 8px;
    min-width: 0;
    width: 100%;
    display: none;
  }

  .has-dropdown .dropdown li a {
    padding-left: 14px;
    padding-right: 14px;
  }

  .has-dropdown.open .dropdown {
    display: block;
  }

  .nav-actions {
    flex-direction: column;
    margin: 24px 0 0;
  }

  .nav-actions .btn {
    width: 100%;
  }

  .hero {
    padding-top: calc(var(--header-h) + 48px);
    padding-bottom: 64px;
  }

  .section {
    padding: 64px 0;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}

/* 内页 */
.page-hero {
  padding: calc(var(--header-h) + 48px) 0 56px;
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-hero h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 12px 0 16px;
  max-width: 720px;
}

.page-hero-desc {
  font-size: 17px;
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: 1.7;
}

.breadcrumb {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb-sep {
  margin: 0 8px;
  opacity: 0.4;
}

.nav-item.is-active > .nav-link,
.dropdown a.active {
  color: var(--color-primary);
}

.page-two-col {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: start;
}

.page-two-col h2 {
  font-size: 22px;
  margin-bottom: 20px;
}

.feature-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list strong {
  color: var(--color-text);
}

.info-card {
  padding: 32px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.info-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.info-card p {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}

.solution-links-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.solution-link-card {
  display: block;
  padding: 28px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.solution-link-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.solution-link-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}

.solution-link-card p {
  font-size: 14px;
  color: var(--color-text-muted);
}

.solution-page-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 40px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.solution-page-panel .solution-visual {
  min-height: 260px;
}

.timeline li {
  padding: 12px 0 12px 20px;
  border-left: 2px solid var(--color-border);
  margin-left: 8px;
  font-size: 15px;
  color: var(--color-text-muted);
}

.timeline strong {
  color: var(--color-primary);
  margin-right: 8px;
}

.contact-page {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: start;
  max-width: 900px;
}

.contact-form-page {
  padding: 32px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  font-size: 14px;
  font-family: inherit;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  resize: vertical;
  margin-bottom: 12px;
}

.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.contact-info h3 {
  font-size: 18px;
  margin-bottom: 20px;
}

.contact-info p {
  font-size: 15px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
  line-height: 1.7;
}

.home-nav-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.home-nav-card {
  display: block;
  padding: 28px 24px;
  text-align: center;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}

.home-nav-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.home-nav-card h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.home-nav-card p {
  font-size: 13px;
  color: var(--color-text-muted);
}

@media (max-width: 1024px) {
  .page-two-col,
  .solution-page-panel,
  .contact-page {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .solution-links-grid,
  .home-nav-grid {
    grid-template-columns: 1fr;
  }
}

/* 关于我们单页 */
.about-page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.about-page-nav a {
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-muted);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  transition: all var(--transition);
}

.about-page-nav a:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

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

.about-section .section-head {
  margin-bottom: 40px;
}

.about-section .section-head h2 {
  font-size: 28px;
  margin: 8px 0 12px;
}

.about-section .section-intro {
  color: var(--color-text-muted);
  font-size: 16px;
}

.about-content h3 {
  font-size: 18px;
  margin: 24px 0 12px;
}

.about-content h3:first-child {
  margin-top: 0;
}