:root {
  --brand-start: #FF3346;
  --brand-middle: #FF5150;
  --brand-end: #FF8757;
  --brand-gradient: linear-gradient(135deg, #FF3346 0%, #FF5150 52%, #FF8757 100%);
  --hero-gradient: linear-gradient(180deg, #FF3346 0%, #FF5150 36%, #FFB7A4 72%, #F6F7FA 100%);
  --page-bg: #F6F7FA;
  --text: #1E2026;
  --text-2: #8B909A;
  --card: #fff;
  --divider: #EEF0F4;
  --shadow: 0 6px 20px rgba(30, 32, 38, 0.06);
  --radius: 18px;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--page-bg);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(238, 240, 244, 0.9);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
}
.brand img {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: #fff;
}
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: #475467;
  font-size: 15px;
}
.nav a:hover { color: var(--brand-start); }
.nav a.is-active { color: var(--brand-start); font-weight: 700; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  background: var(--brand-gradient);
  color: #fff !important;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(255, 51, 70, 0.28);
}
.btn.ghost {
  background: #fff;
  color: var(--brand-start) !important;
  border: 1px solid #ffd0d3;
  box-shadow: none;
}
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  margin: 5px auto;
  background: var(--text);
}

.hero {
  background: var(--hero-gradient);
  padding: 56px 0 88px;
  color: #fff;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}
.hero-kicker {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
  font-size: 13px;
  letter-spacing: 0.04em;
}
.hero h1 {
  margin: 16px 0 12px;
  font-size: 42px;
  line-height: 1.2;
  font-weight: 700;
}
.hero p { margin: 0 0 28px; max-width: 520px; color: rgba(255,255,255,0.92); font-size: 16px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-card {
  background: #fff;
  color: var(--text);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.hero-card h3 { margin: 0 0 16px; font-size: 18px; }
.stat-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.stat {
  padding: 16px;
  border-radius: 16px;
  background: #F6F7FA;
}
.stat b { display: block; color: var(--brand-start); font-size: 22px; }
.stat span { color: var(--text-2); font-size: 13px; }

.section { padding: 64px 0; }
.section h2 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 700;
}
.section-lead { margin: 0 0 28px; color: var(--text-2); }
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.icon-dot {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: #FFF0F2;
  color: var(--brand-start);
  font-weight: 700;
  margin-bottom: 14px;
}
.card h3 { margin: 0 0 8px; font-size: 17px; }
.card p { margin: 0; color: var(--text-2); font-size: 14px; }
.cards-3 { grid-template-columns: repeat(3, 1fr); }
.card .tag {
  display: inline-flex;
  margin-bottom: 10px;
  padding: 2px 10px;
  border-radius: 999px;
  background: #FFF0F2;
  color: var(--brand-start);
  font-size: 12px;
  font-weight: 700;
}
.scenes {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 16px;
}
.scene {
  min-height: 168px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  border-radius: 20px;
  padding: 22px;
  color: #fff;
  background: var(--brand-gradient);
}
.scene.alt { background: linear-gradient(160deg, #FF5150 0%, #FF8757 100%); }
.scene.soft {
  background: #fff;
  color: var(--text);
  box-shadow: var(--shadow);
}
.scene h3 { margin: 0 0 6px; font-size: 20px; }
.scene p { margin: 0; font-size: 14px; opacity: 0.92; }
.scene.soft p { color: var(--text-2); opacity: 1; }
.flow {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.flow-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}
.flow-item em {
  display: block;
  margin-bottom: 10px;
  color: var(--brand-start);
  font-style: normal;
  font-size: 13px;
  font-weight: 700;
}
.flow-item h3 { margin: 0 0 8px; font-size: 17px; }
.flow-item p { margin: 0; color: var(--text-2); font-size: 14px; }

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 20px;
}
.info-list { margin: 0; padding: 0; list-style: none; }
.info-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--divider);
  font-size: 14px;
}
.info-list span { color: var(--text-2); }
.company-panel {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.cta {
  background: var(--brand-gradient);
  color: #fff;
  border-radius: 24px;
  padding: 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.cta h2 { margin: 0 0 8px; color: #fff; }
.cta p { margin: 0; color: rgba(255,255,255,0.9); }
.cta .btn { background: #fff; color: var(--brand-start) !important; box-shadow: none; }

.legal {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
}
.legal h1 { margin: 0 0 8px; font-size: 28px; }
.legal .meta { color: var(--text-2); margin-bottom: 24px; font-size: 14px; }
.legal h2 { font-size: 18px; margin: 28px 0 8px; }
.legal p, .legal li { color: #475467; font-size: 15px; }

.site-footer {
  margin-top: 24px;
  padding: 36px 0 28px;
  background: #fff;
  border-top: 1px solid var(--divider);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.site-footer h4 { margin: 0 0 12px; font-size: 15px; }
.site-footer p, .site-footer a { color: var(--text-2); font-size: 13px; }
.site-footer a:hover { color: var(--brand-start); }
.beian {
  padding-top: 18px;
  border-top: 1px solid var(--divider);
  text-align: center;
  color: #8B909A;
  font-size: 13px;
  line-height: 1.8;
}
.beian a { color: #667085; }
.beian a:hover { color: var(--brand-start); }

@media (max-width: 900px) {
  .nav { display: none; }
  .nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    left: 0; right: 0; top: 64px;
    background: #fff;
    padding: 16px 20px 20px;
    border-bottom: 1px solid var(--divider);
    align-items: flex-start;
  }
  .menu-toggle { display: block; }
  .hero-grid, .cards, .cards-3, .about-grid, .footer-grid, .cta, .scenes, .flow { grid-template-columns: 1fr; display: grid; }
  .hero h1 { font-size: 30px; }
  .hero { padding: 36px 0 64px; }
  .cta { text-align: left; }
}