:root {
  --primary: #e63946;
  --primary-dark: #b52d38;
  --primary-light: #ff6b77;
  --accent: #f4a261;
  --text: #2b2d42;
  --text-light: #6c7289;
  --bg: #ffffff;
  --bg-alt: #f7f8fc;
  --border: #e4e7ed;
  --shadow: 0 4px 16px rgba(43, 45, 66, 0.08);
  --radius: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 16px;
}
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { line-height: 1.35; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-header { text-align: center; margin-bottom: 48px; }
.section-title { font-size: 32px; color: var(--text); margin-bottom: 14px; }
.section-title::after {
  content: ""; display: block; width: 48px; height: 3px;
  background: var(--primary); margin: 14px auto 0; border-radius: 2px;
}
.section-subtitle { font-size: 16px; color: var(--text-light); max-width: 680px; margin: 0 auto; }
.grid { display: grid; gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flex { display: flex; align-items: center; gap: 16px; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }

.card {
  background: #fff; border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow); transition: transform .3s, box-shadow .3s;
  border: 1px solid var(--border);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 10px 28px rgba(43, 45, 66, 0.14); }
.card-icon {
  width: 52px; height: 52px; border-radius: 12px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(230, 57, 70, 0.1); color: var(--primary); font-size: 24px; font-weight: 700;
}
.card-title { font-size: 19px; margin-bottom: 10px; color: var(--text); }
.card-text { font-size: 15px; color: var(--text-light); }
.card-body { margin-top: 6px; }

.btn {
  display: inline-block; padding: 12px 28px; border-radius: 8px;
  font-size: 15px; font-weight: 600; cursor: pointer; border: 2px solid transparent;
  transition: all .3s; text-align: center;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-sm { padding: 8px 18px; font-size: 13px; }

.nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(255, 255, 255, 0.96); backdrop-filter: blur(8px);
  transition: box-shadow .3s, background .3s; border-bottom: 1px solid transparent;
}
.nav.scrolled { box-shadow: 0 2px 16px rgba(43, 45, 66, 0.1); border-bottom-color: var(--border); }
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 20px; height: 68px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { font-size: 21px; font-weight: 800; color: var(--primary); letter-spacing: 1px; }
.nav-list { display: flex; align-items: center; gap: 30px; }
.nav-link { font-size: 15px; color: var(--text); font-weight: 500; transition: color .2s; position: relative; }
.nav-link:hover { color: var(--primary); }
.nav-toggle {
  display: none; background: none; border: none; font-size: 24px;
  color: var(--text); cursor: pointer; padding: 4px 8px;
}
.nav-cta { display: flex; align-items: center; gap: 12px; }

.hero {
  padding: 150px 0 90px;
  background: linear-gradient(160deg, #fff5f6 0%, #fdf1ea 60%, #f7f8fc 100%);
}
.hero-inner { max-width: 1200px; margin: 0 auto; padding: 0 20px; text-align: center; }
.hero-title { font-size: 44px; font-weight: 800; color: var(--text); margin-bottom: 20px; letter-spacing: 1px; }
.hero-title span { color: var(--primary); }
.hero-subtitle {
  font-size: 18px; color: var(--text-light); max-width: 760px;
  margin: 0 auto 34px; line-height: 1.9;
}
.hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 56px; }
.hero-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  max-width: 900px; margin: 0 auto;
}
.hero-stat {
  background: #fff; border-radius: var(--radius); padding: 22px 14px;
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.hero-stat-num { font-size: 28px; font-weight: 800; color: var(--primary); display: block; }
.hero-stat-label { font-size: 13px; color: var(--text-light); margin-top: 6px; display: block; }

.timeline { position: relative; padding-left: 30px; border-left: 2px solid var(--border); }
.timeline-item { position: relative; padding-bottom: 32px; }
.timeline-dot {
  position: absolute; left: -39px; top: 6px; width: 14px; height: 14px;
  border-radius: 50%; background: var(--primary); border: 3px solid #fff;
  box-shadow: 0 0 0 2px var(--primary-light);
}
.timeline-content { background: #fff; border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.timeline-date { font-size: 13px; color: var(--primary); font-weight: 600; }
.timeline-title { font-size: 17px; margin: 6px 0 8px; }
.timeline-text { font-size: 14px; color: var(--text-light); }

.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-item {
  background: #fff; border-radius: var(--radius); padding: 24px;
  box-shadow: var(--shadow); border: 1px solid var(--border); transition: transform .3s;
}
.news-item:hover { transform: translateY(-3px); }
.news-title { font-size: 18px; margin-bottom: 8px; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; font-size: 13px; }
.news-date { color: var(--text-light); }
.news-category {
  background: rgba(230, 57, 70, 0.1); color: var(--primary);
  padding: 2px 10px; border-radius: 20px; font-size: 12px; font-weight: 600;
}
.news-summary { font-size: 14px; color: var(--text-light); }
.news-body { font-size: 14px; color: var(--text-light); margin-top: 8px; }
.news-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.tag {
  background: var(--bg-alt); color: var(--text-light); border: 1px solid var(--border);
  padding: 3px 12px; border-radius: 20px; font-size: 12px;
}

.faq-list { display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  background: #fff; border-radius: var(--radius); padding: 22px 24px;
  box-shadow: var(--shadow); border: 1px solid var(--border);
}
.faq-question { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.faq-answer { font-size: 14px; color: var(--text-light); }

.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border);
  border-radius: 8px; font-size: 14px; font-family: inherit; color: var(--text);
  background: #fff; transition: border-color .2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--primary);
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-submit { width: 100%; }
.form-tip { font-size: 12px; color: var(--text-light); margin-top: 8px; }

.stat-item { text-align: center; padding: 16px; }
.stat-number { font-size: 30px; font-weight: 800; color: var(--primary); display: block; }
.stat-label { font-size: 14px; color: var(--text-light); margin-top: 6px; display: block; }
.progress { height: 8px; background: var(--border); border-radius: 20px; overflow: hidden; margin: 8px 0; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary), var(--accent)); border-radius: 20px; }
.bar-chart { display: flex; align-items: flex-end; justify-content: space-around; height: 200px; gap: 14px; padding: 20px 0; }
.bar-item { flex: 1; display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; }
.bar-fill { width: 100%; background: linear-gradient(180deg, var(--primary-light), var(--primary)); border-radius: 6px 6px 0 0; }
.bar-label { font-size: 13px; color: var(--text-light); margin-top: 8px; }

.badge {
  display: inline-block; background: var(--accent); color: #fff;
  padding: 3px 12px; border-radius: 20px; font-size: 12px; font-weight: 600;
}
.customer-card, .case-card, .honor-card, .review-card, .benefit-card,
.region-card, .support-card {
  background: #fff; border-radius: var(--radius); padding: 24px;
  box-shadow: var(--shadow); border: 1px solid var(--border); transition: transform .3s;
}
.customer-card:hover, .case-card:hover, .honor-card:hover, .review-card:hover,
.benefit-card:hover, .region-card:hover, .support-card:hover { transform: translateY(-4px); }
.partner-logo {
  background: var(--bg-alt); border: 1px dashed var(--border); border-radius: var(--radius);
  height: 80px; display: flex; align-items: center; justify-content: center;
  color: var(--text-light); font-size: 14px;
}
.step-list { display: flex; flex-direction: column; gap: 20px; }
.step-item { display: flex; gap: 18px; align-items: flex-start; }
.step-number {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%;
  background: var(--primary); color: #fff; display: flex;
  align-items: center; justify-content: center; font-weight: 700;
}

.footer { background: #22243a; color: #c8cbe0; padding: 60px 0 0; }
.footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 20px 40px;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 36px;
}
.footer-col { }
.footer-title { font-size: 16px; color: #fff; margin-bottom: 18px; font-weight: 700; }
.footer-link { display: block; font-size: 14px; color: #c8cbe0; margin-bottom: 10px; transition: color .2s; }
.footer-link:hover { color: var(--primary-light); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 22px 20px;
  text-align: center; font-size: 13px; color: #9095b0;
}
.footer-info { font-size: 14px; line-height: 2; color: #c8cbe0; }

@media (max-width: 992px) {
  .hero-title { font-size: 36px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .nav-list {
    display: none; position: absolute; top: 68px; left: 0; width: 100%;
    flex-direction: column; background: #fff; padding: 20px 0;
    box-shadow: 0 8px 20px rgba(43, 45, 66, 0.12); gap: 0;
  }
  .nav-list.active { display: flex; }
  .nav-link { display: block; padding: 12px 24px; width: 100%; }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .nav-list.active + .nav-cta { display: flex; }
  .hero { padding: 120px 0 70px; }
  .hero-title { font-size: 30px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section-title { font-size: 26px; }
  .bar-chart { height: 160px; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 25px; }
  .hero-subtitle { font-size: 15px; }
  .hero-stats { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .btn { padding: 11px 22px; font-size: 14px; }
}