:root {
  --bg: #f4f7f5;
  --surface: #ffffff;
  --text: #1f2933;
  --text-soft: #5f6b76;
  --primary: #1a5f4a;
  --primary-dark: #134636;
  --primary-light: #e8f3ee;
  --accent: #d4a017;
  --border: #e3ebe6;
  --shadow: 0 12px 40px rgba(26, 95, 74, 0.08);
  --radius: 16px;
  --header-h: 64px;
  --font: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

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

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo-img {
  display: block;
  height: 44px;
  width: auto;
  max-width: min(300px, 56vw);
  object-fit: contain;
}

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

.site-nav a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--text-soft);
  font-size: 14px;
  transition: background 0.2s, color 0.2s;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.nav-cta {
  background: var(--primary) !important;
  color: #fff !important;
}

.nav-cta:hover {
  background: var(--primary-dark) !important;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 5px auto;
  background: var(--primary-dark);
  transition: transform 0.2s, opacity 0.2s;
}

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #123d31 0%, #1a5f4a 45%, #2d7a5f 100%);
  color: #fff;
  min-height: 420px;
  max-height: 480px;
}

.hero-slides {
  height: 100%;
  min-height: inherit;
}

.hero-slide {
  display: none;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 44px;
  min-height: inherit;
}

.hero-slide.is-active {
  display: grid;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  font-size: 13px;
}

.hero-slide h1 {
  margin: 0 0 12px;
  font-size: clamp(28px, 4.5vw, 42px);
  line-height: 1.15;
}

.hero-desc {
  margin: 0 0 20px;
  max-width: 520px;
  color: rgba(255, 255, 255, 0.88);
  font-size: 15px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 22px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, background 0.2s, color 0.2s;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.35);
  color: #fff;
}

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

.btn-block {
  width: 100%;
}

.hero-visual {
  display: grid;
  place-items: center;
  min-height: 180px;
}

.mock-card,
.mock-grid,
.mock-list {
  width: min(100%, 360px);
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 24px;
  backdrop-filter: blur(8px);
  padding: 24px;
}

.mock-row {
  height: 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.22);
  margin-bottom: 12px;
}

.mock-row.short {
  width: 60%;
}

.mock-badge {
  display: inline-block;
  margin-top: 16px;
  padding: 8px 14px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.18);
  font-size: 14px;
}

.mock-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.mock-grid span {
  aspect-ratio: 1;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.18);
}

.mock-list {
  display: grid;
  gap: 12px;
}

.mock-item {
  height: 54px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.18);
}

.hero-dots {
  position: absolute;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
}

.hero-dots button {
  width: 10px;
  height: 10px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.35);
  cursor: pointer;
}

.hero-dots button.is-active {
  width: 28px;
  border-radius: 999px;
  background: #fff;
}

.section {
  padding: 72px 0;
}

.section-head {
  margin-bottom: 36px;
}

.section-head.center {
  text-align: center;
}

.section-label {
  margin: 0 0 8px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 36px);
  color: var(--primary-dark);
}

.section-intro {
  max-width: 640px;
  margin: 12px auto 0;
  color: var(--text-soft);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
}

.about-text p {
  margin: 0 0 16px;
  color: var(--text-soft);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.stat-card strong {
  display: block;
  font-size: 28px;
  color: var(--primary-dark);
}

.stat-card span {
  color: var(--text-soft);
  font-size: 14px;
}

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

.product-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}

.product-card.featured {
  border-color: #c8dfd3;
  transform: translateY(-4px);
}

.product-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  padding: 4px 10px;
  border-radius: 999px;
  background: #fff4d6;
  color: #9a6700;
  font-size: 12px;
  font-weight: 700;
}

.product-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

.product-icon-print { background: linear-gradient(135deg, #2563eb, #1d4ed8); }
.product-icon-move { background: linear-gradient(135deg, var(--primary), #2d8a6a); }
.product-icon-goods { background: linear-gradient(135deg, #b45309, #d97706); }

.product-card h3 {
  margin: 0 0 12px;
  font-size: 22px;
}

.product-card p {
  margin: 0 0 16px;
  color: var(--text-soft);
  font-size: 14px;
  min-height: 88px;
}

.product-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.product-tags li {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 12px;
}

.product-link {
  color: var(--primary);
  font-weight: 700;
}

.platform-bar {
  margin-top: 28px;
  padding: 18px 20px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.platform-bar span {
  display: block;
  margin-bottom: 12px;
  color: var(--text-soft);
  font-size: 14px;
}

.platform-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.platform-list em {
  font-style: normal;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--bg);
  color: var(--text-soft);
  font-size: 13px;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.advantage-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
}

.advantage-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
  color: var(--primary-dark);
}

.advantage-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.process-steps li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  box-shadow: var(--shadow);
}

.step-num {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 28px;
  font-weight: 800;
  color: var(--primary-light);
  -webkit-text-stroke: 1px var(--primary);
}

.process-steps h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.process-steps p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14px;
}

.contact-card {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 4px);
  padding: 32px;
  box-shadow: var(--shadow);
}

.contact-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.contact-list li {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 12px;
  align-items: center;
}

.contact-label {
  color: var(--text-soft);
  font-size: 14px;
}

.contact-list a {
  color: var(--primary-dark);
  font-weight: 600;
}

.contact-actions {
  display: grid;
  gap: 12px;
  align-content: center;
}

.site-footer {
  padding: 28px 0 100px;
  background: #102820;
  color: rgba(255, 255, 255, 0.72);
}

.footer-inner {
  text-align: center;
  font-size: 14px;
}

.footer-logo {
  height: 40px;
  width: auto;
  max-width: 260px;
  margin: 0 auto 14px;
  padding: 6px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  object-fit: contain;
}

.footer-inner p {
  margin: 0 0 6px;
}

.footer-inner a {
  color: rgba(255, 255, 255, 0.88);
}

.float-contact {
  position: fixed;
  right: 16px;
  bottom: 24px;
  z-index: 90;
  display: grid;
  gap: 10px;
}

.float-btn {
  min-width: 52px;
  height: 52px;
  padding: 0 14px;
  border: 0;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(26, 95, 74, 0.28);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.float-top {
  background: #fff;
  color: var(--primary-dark);
  border: 1px solid var(--border);
}

@media (max-width: 960px) {
  .hero {
    min-height: auto;
    max-height: none;
  }

  .hero-slide,
  .about-grid,
  .product-grid,
  .advantage-grid,
  .process-steps,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .hero-slide {
    padding-top: 24px;
    padding-bottom: 52px;
  }

  .hero-visual {
    min-height: 140px;
  }

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

  .product-card p {
    min-height: 0;
  }
}

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

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 16px 20px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.25s, opacity 0.25s;
  }

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

  .site-nav a {
    border-radius: 10px;
  }

  .contact-list li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .float-contact {
    right: 10px;
    bottom: 16px;
  }
}