/* 小程序商城服务商 · 静态官网 */
:root {
  --bg: #0b1220;
  --bg-soft: #111b2e;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-hover: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8edf5;
  --muted: #8b9bb4;
  --accent: #3dd6c3;
  --accent-dim: #2a9d8f;
  --accent-glow: rgba(61, 214, 195, 0.35);
  --warn: #f4a261;
  --radius: 14px;
  --radius-sm: 10px;
  --font: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

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

.wrap {
  width: min(100% - 40px, var(--max));
  margin-inline: auto;
}

/* 背景网格 */
.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
  z-index: 0;
}

.bg-orb {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  top: -200px;
  right: -150px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

main,
header,
footer {
  position: relative;
  z-index: 1;
}

/* 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(11, 18, 32, 0.85);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  text-decoration: none;
}

.logo:hover {
  text-decoration: none;
  color: var(--accent);
}

.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  display: grid;
  place-items: center;
  font-size: 18px;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--muted);
  font-size: 0.95rem;
  text-decoration: none;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

.nav-cta {
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s, background 0.2s, border-color 0.2s;
  text-decoration: none;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

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

.btn-ghost:hover {
  background: var(--surface);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #041018;
  border: none;
}

.btn-primary:hover {
  box-shadow: 0 8px 28px var(--accent-glow);
}

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

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

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

  .nav-desktop {
    display: none;
  }

  .nav-mobile {
    display: none;
    flex-direction: column;
    gap: 16px;
    padding: 20px 0 24px;
    border-top: 1px solid var(--border);
  }

  .site-header.nav-open .nav-mobile {
    display: flex;
  }

  .nav-mobile .nav-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .nav-mobile .nav-cta {
    display: flex;
    flex-direction: column;
    width: 100%;
  }

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

/* Hero */
.hero {
  padding: 72px 0 88px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-badges,
  .hero-actions {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
    max-width: 360px;
    margin-inline: auto;
  }
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 2.85rem);
  line-height: 1.15;
  font-weight: 800;
  margin: 0 0 20px;
  letter-spacing: -0.02em;
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 520px;
  margin: 0 0 28px;
}

@media (max-width: 900px) {
  .hero-lead {
    margin-inline: auto;
  }
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}

.badge {
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.8rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
}

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

.hero-visual {
  position: relative;
}

.phone-mock {
  aspect-ratio: 9 / 16;
  max-height: 420px;
  margin-inline: auto;
  border-radius: 32px;
  border: 3px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(165deg, var(--bg-soft) 0%, #0d1528 100%);
  box-shadow:
    0 40px 80px rgba(0, 0, 0, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  padding: 12px;
  overflow: hidden;
}

.phone-notch {
  width: 100px;
  height: 22px;
  background: #000;
  border-radius: 0 0 14px 14px;
  margin: -2px auto 10px;
  opacity: 0.5;
}

.phone-screen {
  border-radius: 20px;
  background: linear-gradient(180deg, #1a2744 0%, #0f1729 100%);
  height: calc(100% - 34px);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mini-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--muted);
}

.mini-dots {
  display: flex;
  gap: 4px;
}

.mini-dots span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
}

.mini-banner {
  height: 72px;
  border-radius: 12px;
  background: linear-gradient(120deg, var(--accent-dim), var(--accent));
  display: flex;
  align-items: center;
  padding: 0 14px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #041018;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.mini-tile {
  aspect-ratio: 1;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
}

.floating-card {
  position: absolute;
  bottom: 12%;
  left: -8%;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: rgba(17, 27, 46, 0.95);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.floating-card strong {
  color: var(--accent);
  display: block;
  margin-bottom: 2px;
}

@media (max-width: 900px) {
  .floating-card {
    left: 50%;
    transform: translateX(-50%);
    bottom: 8%;
  }
}

/* Sections */
section {
  padding: 72px 0;
}

.section-title {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-title h2 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  margin: 0 0 12px;
  font-weight: 800;
}

.section-title p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}

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

@media (max-width: 768px) {
  .cards-3 {
    grid-template-columns: 1fr;
  }
}

.card {
  padding: 28px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  transition: border-color 0.2s, background 0.2s;
}

.card:hover {
  background: var(--surface-hover);
  border-color: rgba(61, 214, 195, 0.25);
}

.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(61, 214, 195, 0.12);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Features */
.features {
  background: var(--bg-soft);
  border-block: 1px solid var(--border);
}

.feature-rows {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  padding: 32px;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
}

.feature-row:nth-child(even) .feature-text {
  order: 2;
}

.feature-row:nth-child(even) .feature-art {
  order: 1;
}

@media (max-width: 768px) {
  .feature-row {
    grid-template-columns: 1fr;
  }

  .feature-row:nth-child(even) .feature-text,
  .feature-row:nth-child(even) .feature-art {
    order: unset;
  }
}

.feature-text h3 {
  margin: 0 0 12px;
  font-size: 1.35rem;
}

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

.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  padding: 8px 0 8px 26px;
  position: relative;
  color: var(--text);
  font-size: 0.95rem;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.feature-art {
  min-height: 200px;
  border-radius: var(--radius-sm);
  background: linear-gradient(145deg, rgba(61, 214, 195, 0.08), rgba(255, 255, 255, 0.02));
  border: 1px dashed rgba(61, 214, 195, 0.25);
  display: grid;
  place-items: center;
  font-size: 3rem;
  padding: 24px;
}

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

@media (max-width: 900px) {
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .steps {
    grid-template-columns: 1fr;
  }
}

.step {
  text-align: center;
  padding: 24px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
}

.step-num {
  width: 40px;
  height: 40px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #041018;
  font-weight: 800;
  display: grid;
  place-items: center;
  font-size: 1rem;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.step p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}

/* CTA */
.cta-band {
  padding: 64px 0;
}

.cta-inner {
  text-align: center;
  padding: 48px 32px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(61, 214, 195, 0.15), rgba(17, 27, 46, 0.9));
  border: 1px solid rgba(61, 214, 195, 0.3);
}

.cta-inner h2 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 3vw, 1.85rem);
}

.cta-inner p {
  margin: 0 0 24px;
  color: var(--muted);
  max-width: 520px;
  margin-inline: auto;
}

.cta-inner p:last-of-type {
  margin-bottom: 24px;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0 32px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

@media (max-width: 640px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-brand p {
  margin: 12px 0 0;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h4 {
  margin: 0 0 14px;
  font-size: 0.85rem;
  color: var(--text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--muted);
  text-decoration: none;
}

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

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 0.85rem;
}