body.home-page {
  background: #fff;
  color: #111;
}

.home-topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 18px;
  background: rgba(255,255,255,0.94);
  border-bottom: 1px solid #eee;
  backdrop-filter: blur(10px);
}

.home-brand {
  font-size: 17px;
  font-weight: 700;
}

.home-nav {
  display: flex;
  align-items: center;
}

.home-user-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 88px;
  max-width: 132px;
  padding: 8px 14px;
  border: 1px solid #e5e7eb;
  border-radius: 999px;
  background: #f3f4f6;
  color: #222;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.2px;
  line-height: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
}

.home-user-pill:hover {
  background: #ededed;
}

.hero-section {
  background: linear-gradient(180deg, #ffffff 0%, #fafafa 100%);
  padding: 88px 20px 72px;
  border-bottom: 1px solid #f3f3f3;
}

.hero-inner {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  background: #f2f2f2;
  color: #555;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  margin-bottom: 28px;
}

.hero-title {
  margin: 0 0 26px;
  font-size: 42px;
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  margin: 0 auto;
  max-width: 760px;
  font-size: 20px;
  line-height: 1.95;
  color: #444;
}

.hero-actions {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-btn {
  min-width: 168px;
  height: 64px;
  padding: 0 24px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  box-sizing: border-box;
  transition: all 0.18s ease;
  background: #f3f3f3;
  color: #111;
  border: 1.5px solid #d0d0d0;
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}

/* 左按钮稍微更“实”一点 */
.hero-btn-primary {
  background: #ececec;
  border-color: #c8c8c8;
}

/* 右按钮更“轻”一点 */
.hero-btn-secondary {
  background: #f8f8f8;
  border-color: #dddddd;
}

/* hover 给一点反馈 */
.hero-btn:hover {
  background: #e9e9e9;
  border-color: #bbbbbb;
  transform: translateY(-1px);
}

.hero-btn-secondary:hover {
  background: #f1f1f1;
  border-color: #d6d6d6;
}

.hero-tip {
  margin-top: 34px;
  font-size: 15px;
  color: #666;
  line-height: 1.8;
}

.section {
  padding: 72px 20px 16px;
}

.section-gray {
  background: #fafafa;
}

.section-head {
  margin-bottom: 24px;
  text-align: center;
}

.section-title {
  margin: 0;
  font-size: 28px;
  line-height: 1.25;
  font-weight: 700;
}

.section-desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: #777;
}

.section-divider {
  width: 40px;
  height: 1px;
  background: #eaeaea;
  margin: 56px auto;
  opacity: .5;
}

.card-grid {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  gap: 20px;
}
.card-grid.two-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid.four-cols { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.product-card,
.system-card {
  border-radius: 18px;
  text-align: center;
}

.product-card {
  background: #fff;
  border: 1px solid #ededed;
  padding: 28px 24px 24px;
}

.section-gray .product-card {
  box-shadow: 0 12px 32px rgba(0,0,0,0.05);
}

.system-card {
  background: #fbfbfb;
  border: 1px solid #f2f2f2;
  padding: 22px 18px 22px;
}

.card-tag,
.card-tag-muted {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 66px;
  height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.card-tag {
  background: #111;
  color: #fff;
}

.card-tag-muted {
  background: #f0f0f0;
  color: #8a8a8a;
}

.card-title {
  margin: 14px 0 0;
  font-size: 20px;
  line-height: 1.35;
  font-weight: 700;
  color: #111;
}

.product-card .card-desc,
.system-card .card-desc {
  max-width: 320px;
  margin: 12px auto 0;
  font-size: 14px;
  line-height: 1.8;
  text-align: center;
}

.product-card .card-desc { color: #555; }
.system-card .card-title { color: #444; }
.system-card .card-desc { color: #aaa; }

.card-actions {
  margin-top: 18px;
  display: flex;
  justify-content: center;
}

.card-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 108px;
  height: 40px;
  padding: 0 16px;
  border-radius: 10px;
  background: #111;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

.card-btn-disabled {
  background: #ececec;
  color: #aaa;
  cursor: not-allowed;
}

.home-footer {
  padding: 56px 20px 60px;
  border-top: 1px solid #f2f2f2;
  text-align: center;
}

.home-footer-company,
.home-footer-icp,
.home-footer-copy {
  margin-top: 8px;
  font-size: 14px;
  color: #8d8d8d;
}
.home-footer-company:first-child { margin-top: 0; }

@media (max-width: 959px) {
  .home-topbar { padding: 0 14px; }
  .home-brand { font-size: 16px; }
  .home-user-pill { font-size: 14px; min-width: 80px; max-width: 120px; padding: 7px 12px; }
  .hero-section { padding: 64px 16px 48px; }
  .hero-badge { height: 38px; margin-bottom: 22px; font-size: 13px; }
  .hero-title { margin-bottom: 24px; font-size: 68px; line-height: 1.05; }
  .hero-subtitle { max-width: 100%; font-size: 18px; line-height: 1.95; }
  .hero-actions { margin-top: 34px; gap: 12px; }
  .hero-btn { min-width: 124px; height: 48px; font-size: 15px; }
  .hero-tip { margin-top: 26px; font-size: 14px; line-height: 1.75; }
  .section { padding: 56px 16px 12px; }
  .card-grid.two-cols, .card-grid.four-cols { grid-template-columns: 1fr; }
  .section-divider { margin: 44px auto; }
  .home-footer { padding: 44px 16px 52px; }
}

@media (max-width: 768px) {
  .hero-actions {
    margin-top: 34px;
    gap: 14px;
  }

  .hero-btn {
    min-width: 148px;
    height: 58px;
    padding: 0 20px;
    font-size: 18px;
    border-radius: 18px;
  }
}