/* 赛玛电信 Saima Telecom — 自定义样式
   基础样式来自开源模板 Start Bootstrap - Modern Business (MIT) */

:root {
  --st-primary: #0d6efd;
  --st-primary-dark: #0a58ca;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
}

/* 导航 */
.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.02em;
}
.navbar-brand i {
  font-size: 1.25rem;
}

/* 首页主视觉装饰面板（替代图片） */
.hero-visual {
  min-height: 320px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.18), transparent 40%),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.05) 0 12px, transparent 12px 24px),
    linear-gradient(135deg, var(--st-primary) 0%, var(--st-primary-dark) 100%);
  color: #fff;
}
.hero-visual i {
  font-size: 5.5rem;
  opacity: 0.9;
}
.hero-visual .hv-line {
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.35);
}

/* 数据指标带 */
.stat-value {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.1;
}
.stat-label {
  color: rgba(255, 255, 255, 0.65);
}

/* 卡片悬停 */
.card-hover {
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.card-hover:hover {
  box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.12) !important;
  transform: translateY(-2px);
}

/* 价格卡推荐款 */
.price-featured {
  border: 2px solid var(--st-primary) !important;
  position: relative;
}
.price-featured::before {
  content: "推荐";
  position: absolute;
  top: -0.85rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--st-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.75rem;
  border-radius: 999px;
  white-space: nowrap;
}
.price-amount {
  font-size: 2.25rem;
  font-weight: 700;
}

/* 箭头微动效 */
a .bi-arrow-right {
  transition: transform 0.15s ease;
}
a:hover .bi-arrow-right {
  transform: translateX(3px);
}

/* 区块眉题 */
.section-eyebrow {
  letter-spacing: 0.18em;
  font-size: 0.72rem;
  font-weight: 700;
  color: #6c757d;
  text-transform: uppercase;
}

/* 流程步骤序号 */
.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--st-primary);
  color: #fff;
  font-weight: 700;
}

/* FAQ 卡内列表 */
.feature-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}
.feature-list li {
  position: relative;
  padding-left: 1.6rem;
  margin-bottom: 0.35rem;
}
.feature-list li i {
  position: absolute;
  left: 0;
  top: 0.15em;
  color: var(--st-primary);
}