/* ============================================================
   VR实验室页专属样式(白瓷洁净实验室)
   外链文件,勿内联(ESA HTML 优化器咬内联 style)
   ============================================================ */

/* ---------- VR 首屏 ---------- */
.vr-hero { position: relative; overflow: hidden; background: #F1F8F3; }
.vr-hero-bg { position: absolute; inset: 0; }
.vr-hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.vr-hero-veil {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(100deg, rgba(250,250,247,.95) 0%, rgba(250,250,247,.80) 38%, rgba(250,250,247,.42) 72%, rgba(250,250,247,.15) 100%),
              linear-gradient(180deg, rgba(250,250,247,.35) 0%, rgba(250,250,247,0) 30%, rgba(250,250,247,0) 60%, rgba(250,250,247,.55) 100%);
}
.vr-hero-inner { position: relative; z-index: 2; padding: clamp(4rem, 3rem + 4vw, 7rem) 0; }
.vr-hero-inner h1 {
  margin-top: 1.2rem; font-size: clamp(2.2rem, 1.4rem + 4.2vw, 4rem);
  font-weight: 800; line-height: 1.18; max-width: 12em;
}
.vr-hero-inner h1 em { font-style: normal; color: var(--bio); }
.vr-hero-sub { margin-top: 1.2rem; max-width: 34em; color: var(--ink-soft); font-size: var(--text-md); }
.vr-hero-meta { display: flex; flex-wrap: wrap; gap: .6rem 1rem; margin-top: 1.4rem; }
.vr-hero-meta li {
  display: inline-flex; align-items: center; gap: .5em;
  padding: .45em 1.1em; border-radius: 999px;
  background: rgba(255,255,255,.78); border: 1px solid var(--line);
  font-size: var(--text-sm); color: var(--ink-soft);
}
.vr-hero-meta li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--bio); }
.vr-hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }

/* ---------- 全景视图 ---------- */
.vr-frame-wrap {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: var(--moss);
  box-shadow: var(--shadow-lift), 0 0 0 1px var(--line);
}
.vr-frame-wrap::before { content: ""; display: block; padding-top: 56.25%; }
.vr-frame-wrap iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; }

.vr-frame-open {
  position: absolute; right: 16px; bottom: 16px; z-index: 2;
  background: rgba(12, 43, 34, .78); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  color: #fff; font-size: .82rem; padding: 8px 14px; border-radius: 999px;
  border: 0; cursor: pointer; font-family: inherit;
  transition: background var(--dur);
}
.vr-frame-open:hover { background: var(--bio); }

/* 咨询 shim:几何与平台底栏对齐(仅桌面,移动端隐藏) */
.vr-consult-shim { position: absolute; left: 50%; transform: translateX(-50%); bottom: 20px; width: 65.8%; height: 60px; z-index: 3; pointer-events: none; }
.vr-consult-btn { pointer-events: auto; position: absolute; right: 0; bottom: 7px; width: 130px; height: 48px; padding: 0; border: 0; cursor: pointer; background: none; font-family: inherit; }
.vr-consult-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; border-radius: 25px; }
.vr-consult-pill {
  width: 114px; height: 48px; margin: 0 auto; border-radius: 25px;
  background: linear-gradient(#072561, #1A1B2A); color: #F2F3F9;
  display: flex; align-items: center; justify-content: center; gap: 9px;
  font-size: 14px; box-shadow: 0 2px 8px rgba(0,0,0,.25); transition: filter .25s;
}
.vr-consult-btn:hover .vr-consult-pill { filter: brightness(1.2); }
.vr-consult-ava { width: 42px; height: 42px; border-radius: 50%; background: rgba(255,255,255,.14); display: flex; align-items: center; justify-content: center; flex: none; }
.vr-consult-ava svg { width: 22px; height: 22px; color: #fff; }

/* 使用提示 */
.vr-tips { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gutter); margin-top: 1.8rem; }
.vr-tips li { display: flex; align-items: center; gap: .7rem; font-size: var(--text-sm); color: var(--ink-soft); }
.vr-tips svg { flex: none; width: 20px; height: 20px; color: var(--bio); }

/* ---------- 实景区块 ---------- */
.vr-zone-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gutter); }
.vr-zone {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: transform var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}
.vr-zone:hover { transform: translateY(-6px); box-shadow: var(--shadow-lift); }
.vr-zone-photo { aspect-ratio: 16 / 9.6; overflow: hidden; background: var(--mist); }
.vr-zone-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease-out); }
.vr-zone:hover .vr-zone-photo img { transform: scale(1.05); }
.vr-zone h3 { padding: 1.2rem 1.4rem .4rem; font-size: 1.08rem; font-weight: 700; }
.vr-zone p { padding: 0 1.4rem 1.4rem; font-size: var(--text-sm); color: var(--ink-soft); line-height: 1.7; }

/* ---------- 响应式 ---------- */
/* 拦截边界 767 对齐 bjh 验证过的几何(768 仍属桌面窄栏) */
@media (max-width: 767px) {
  .vr-consult-shim, .vr-frame-open { display: none; }
}
@media (max-width: 768px) {
  .vr-hero-veil { background: linear-gradient(180deg, #F1F8F3 0%, rgba(250,250,247,.92) 90%); }
  .vr-hero-inner { padding: 3.6rem 0 4.4rem; }
  .vr-frame-wrap::before { padding-top: 75%; }
  .vr-tips { grid-template-columns: 1fr; gap: .8rem; }
  .vr-zone-grid { grid-template-columns: 1fr; }
  .vr-hero-actions .btn { flex: 1; }
}