/* ==========================================================================
   6. 内页级布局（子页面 Hero / 面包屑 / 详情双栏 / 预约页 / 蜜罐）
   仅内页使用，首页不依赖本文件中的任何类。
   ========================================================================== */

/* --------------------------------------------------------------------------
   6.1 内页 Hero
   -------------------------------------------------------------------------- */
.page-hero {
  position: relative;
  padding: calc(var(--nav-h) + 64px) 0 56px;
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(59, 130, 246, .28), transparent 62%),
    radial-gradient(760px 380px at 88% 0%, rgba(139, 92, 246, .26), transparent 60%),
    linear-gradient(135deg, var(--c-ink) 0%, #16213f 60%, #1e1b4b 100%);
  color: var(--c-text-invert);
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: auto 0 -1px 0;
  height: 80px;
  background: linear-gradient(180deg, transparent, rgba(248, 250, 252, .06));
  pointer-events: none;
}

.page-hero__eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: #a5b4fc;
}

.page-hero__title {
  max-width: 900px;
  font-size: clamp(30px, 4.4vw, 46px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--c-text-invert);
}

.page-hero__desc {
  max-width: 780px;
  margin-top: 18px;
  font-size: 16.5px;
  line-height: 1.9;
  color: var(--c-text-invert-2);
}

/* --------------------------------------------------------------------------
   6.2 面包屑
   -------------------------------------------------------------------------- */
.crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 13px;
  color: var(--c-text-invert-2);
}

.crumbs a {
  color: var(--c-text-invert-2);
  transition: color var(--dur) var(--ease);
}

.crumbs a:hover { color: var(--c-text-invert); }

.crumbs__sep { opacity: .5; }

.crumbs > span:last-child { color: var(--c-text-invert); font-weight: 600; }

/* --------------------------------------------------------------------------
   6.3 详情页双栏（正文 + sticky 侧栏）
   -------------------------------------------------------------------------- */
.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 40px;
  align-items: start;
}

.detail-main {
  padding: 40px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-md);
}

.detail-main__icon {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  font-size: 30px;
  line-height: 1;
  background: var(--g-brand-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
}

.detail-main__title {
  margin-bottom: 18px;
  font-size: clamp(24px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--c-ink);
}

/* 侧栏 */
.detail-side {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.detail-side__box {
  padding: 26px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
}

.detail-side__list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.detail-side__link {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.detail-side__link:hover {
  background: var(--c-bg-soft-2);
  transform: translateX(3px);
}

.detail-side__link strong {
  display: block;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--c-ink);
}

.detail-side__link small {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  margin-top: 3px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-text-3);
}

/* --------------------------------------------------------------------------
   6.4 预约演示页
   -------------------------------------------------------------------------- */
.demo-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) 380px;
  gap: 40px;
  align-items: start;
}

.demo-panel {
  padding: 40px;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
}

.demo-panel__title {
  font-size: 26px;
  font-weight: 800;
  color: var(--c-ink);
}

.demo-panel__sub {
  margin: 10px 0 28px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text-2);
}

.demo-aside {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.demo-points {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px;
  background: var(--c-bg-soft);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
}

.demo-point {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-text-2);
}

.demo-point__icon {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  font-size: 13px;
  color: #fff;
  background: var(--g-brand);
  border-radius: 999px;
}

/* --------------------------------------------------------------------------
   6.5 表单蜜罐（对用户与读屏软件均不可见，仅机器人会填）
   -------------------------------------------------------------------------- */
.u-honeypot {
  position: absolute !important;
  left: -9999px !important;
  top: auto !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* --------------------------------------------------------------------------
   6.6 内页通用网格
   -------------------------------------------------------------------------- */
.page-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 22px;
}

.page-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}

/* --------------------------------------------------------------------------
   6.7 响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .detail-layout,
  .demo-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .detail-side,
  .demo-aside {
    position: static;
    top: auto;
  }
}

@media (max-width: 640px) {
  .page-hero { padding: calc(var(--nav-h) + 40px) 0 40px; }
  .detail-main,
  .demo-panel { padding: 26px 20px; }
  .detail-side__box,
  .demo-points { padding: 20px; }
}