/* =====================================================================
 * 福盟工厂 VR 全景导览 · 样式
 * 设计基调：深色单色极简 + 毛玻璃（液态玻璃），全组件统一色板
 * ===================================================================== */
:root {
  --bg: #0b1220;
  --panel: rgba(15, 24, 41, 0.55);
  --panel-strong: rgba(13, 21, 37, 0.82);
  --border: rgba(148, 167, 192, 0.16);
  --border-hi: rgba(148, 167, 192, 0.32);
  --text: #e8eef7;
  --muted: #94a7c0;
  --accent: #2bd4c4;
  --accent-soft: rgba(43, 212, 196, 0.14);
  --radius: 14px;
  --blur: saturate(1.4) blur(18px);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; overflow: hidden; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

/* ---------- 毛玻璃通用 ---------- */
.glass {
  background: var(--panel);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

/* ---------- 全景容器 ---------- */
#panorama { position: fixed; inset: 0; }
.pnlm-container { background: var(--bg); }
.pnlm-container.pnlm-grab { cursor: grab; }
.pnlm-container.pnlm-grabbing { cursor: grabbing; }

/* 隐藏 pannellum 自带控件 */
.pnlm-controls, .pnlm-load-box, .pnlm-loading { display: none !important; }
.pnlm-tooltip { display: none !important; }

/* ---------- 自定义热点 ---------- */
.hs-root { cursor: pointer; }

.hs-scene {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 18px 9px 10px;
  border-radius: 999px;
  background: var(--panel-strong);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border-hi);
  color: var(--text); font-size: 14px; letter-spacing: .04em;
  white-space: nowrap;
  transition: transform .35s var(--ease), border-color .35s;
}
.hs-scene:hover { transform: scale(1.08); border-color: var(--accent); }
.hs-scene .hs-arrow {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: #04231f;
  display: grid; place-items: center;
  font-size: 13px; font-weight: 700; flex: none;
  animation: hsPulse 2.2s ease-in-out infinite;
}
@keyframes hsPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(43, 212, 196, .5); }
  50%      { box-shadow: 0 0 0 8px rgba(43, 212, 196, 0); }
}

.hs-info {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--panel-strong);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--accent);
  color: var(--accent);
  display: grid; place-items: center;
  font-size: 15px; font-weight: 700; font-style: italic;
  font-family: Georgia, serif;
  transition: transform .35s var(--ease);
  animation: hsPulse 2.8s ease-in-out infinite;
}
.hs-info:hover { transform: scale(1.15); }

/* ---------- 顶栏 ---------- */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 30;
  display: flex; align-items: flex-start; justify-content: space-between;
  padding: max(14px, env(safe-area-inset-top)) 18px 0;
  pointer-events: none;
}
.topbar > * { pointer-events: auto; }
.topbar-left { display: flex; align-items: center; gap: 10px; min-width: 0; }

/* 从品牌画册进入时显示的返回入口 */
.back-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px 10px 12px; border-radius: 999px;
  color: var(--text); text-decoration: none; font-size: 13px;
  letter-spacing: .06em; white-space: nowrap;
  transition: transform .35s var(--ease), border-color .35s, color .35s;
}
.back-btn[hidden] { display: none; }
.back-btn svg { width: 16px; height: 16px; stroke: var(--accent); fill: none; }
.back-btn:hover { transform: scale(1.06); border-color: var(--accent); color: var(--accent); }

.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 16px; border-radius: 999px;
  max-width: 62vw;
}
.brand img { height: 26px; display: block; }
.brand-text { font-weight: 700; font-size: 16px; letter-spacing: .06em; }
.brand-divider { width: 1px; height: 14px; background: var(--border-hi); }
.brand-name { font-size: 12.5px; color: var(--muted); letter-spacing: .08em; white-space: nowrap; }

.tools { display: flex; gap: 10px; }
.tool-btn {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  color: var(--text); cursor: pointer;
  transition: transform .35s var(--ease), border-color .35s, color .35s;
}
.tool-btn[hidden] { display: none; }
.tool-btn svg { width: 21px; height: 21px; stroke: currentColor; fill: none; }
.tool-btn:hover { transform: scale(1.12); border-color: var(--accent); color: var(--accent); }
.tool-btn.active { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }
/* 语言切换按钮（文字型） */
.lang-btn span {
  font-size: 12.5px; font-weight: 700; letter-spacing: .04em;
  font-family: -apple-system, "PingFang SC", "Helvetica Neue", sans-serif;
}

/* ---------- 场景名标签 ---------- */
.scene-tag {
  position: fixed; left: 18px; bottom: 118px; z-index: 25;
  display: flex; align-items: center; gap: 9px;
  padding: 9px 16px; border-radius: 999px;
  font-size: 14px; letter-spacing: .05em;
}
.scene-tag i {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none;
  animation: hsPulse 2.2s ease-in-out infinite;
}
.scene-tag span { font-weight: 600; }

/* ---------- 底部场景导航条 ---------- */
.scene-bar {
  position: fixed; left: 50%; bottom: max(18px, env(safe-area-inset-bottom));
  transform: translateX(-50%); z-index: 30;
  display: flex; gap: 10px; padding: 10px;
  border-radius: var(--radius);
  max-width: min(92vw, 860px);
  overflow-x: auto; scrollbar-width: none;
}
.scene-bar::-webkit-scrollbar { display: none; }
.scene-item {
  position: relative; flex: none;
  width: 92px; border-radius: 10px; overflow: hidden;
  cursor: pointer; border: 1.5px solid transparent;
  transition: transform .35s var(--ease), border-color .35s;
}
.scene-item img { width: 100%; height: 52px; object-fit: cover; display: block; opacity: .75; transition: opacity .35s; }
.scene-item span {
  position: absolute; inset: auto 0 0; padding: 3px 0 4px;
  font-size: 11px; text-align: center; letter-spacing: .05em;
  background: linear-gradient(transparent, rgba(4, 8, 15, .88));
  color: var(--text);
}
.scene-item:hover { transform: scale(1.06); }
.scene-item.active { border-color: var(--accent); }
.scene-item.active img { opacity: 1; }
.scene-item.active span { color: var(--accent); font-weight: 600; }

/* ---------- 首次提示 ---------- */
.hint {
  position: fixed; top: 50%; left: 50%; z-index: 20;
  transform: translate(-50%, -50%);
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 22px 34px; border-radius: 18px;
  background: var(--panel-strong);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border);
  pointer-events: none; opacity: 0;
  transition: opacity .6s;
}
.hint.show { opacity: 1; }
.hint-drag { font-size: 34px; color: var(--accent); animation: dragSpin 2.4s ease-in-out infinite; }
@keyframes dragSpin { 0%, 100% { transform: rotate(-18deg); } 50% { transform: rotate(18deg); } }
.hint span:last-child { font-size: 14.5px; letter-spacing: .1em; color: var(--text); }

/* ---------- 加载页 ---------- */
.loader {
  position: fixed; inset: 0; z-index: 90;
  background:
    radial-gradient(1200px 500px at 50% 115%, rgba(43, 212, 196, .07), transparent 60%),
    var(--bg);
  display: grid; place-items: center;
  transition: opacity .7s, visibility .7s;
}
.loader.done { opacity: 0; visibility: hidden; }
.loader-inner { text-align: center; }
.loader-logo {
  font-size: 30px; font-weight: 800; letter-spacing: .28em; text-indent: .28em;
  background: linear-gradient(100deg, var(--text) 20%, var(--accent) 55%, var(--text) 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  background-size: 220% 100%;
  animation: shimmer 2.4s linear infinite;
}
@keyframes shimmer { 0% { background-position: 120% 0; } 100% { background-position: -120% 0; } }
.loader-sub { margin-top: 10px; font-size: 13px; color: var(--muted); letter-spacing: .34em; text-indent: .34em; }
.loader-bar {
  width: 220px; height: 2px; margin: 30px auto 0;
  background: rgba(148, 167, 192, .15); border-radius: 2px; overflow: hidden;
}
.loader-bar i {
  display: block; height: 100%; width: 40%;
  background: var(--accent); border-radius: 2px;
  animation: loading 1.3s var(--ease) infinite;
}
@keyframes loading {
  0% { transform: translateX(-110%); } 100% { transform: translateX(560%); }
}
.loader-tip { margin-top: 16px; font-size: 12px; color: var(--muted); letter-spacing: .12em; }

/* ---------- 公司信息抽屉 ---------- */
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 40;
  width: min(420px, 92vw);
  padding: max(64px, env(safe-area-inset-top)) 26px 40px;
  background: var(--panel-strong);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border-left: 1px solid var(--border);
  overflow-y: auto;
  transform: translateX(105%);
  transition: transform .5s var(--ease);
}
.drawer.open { transform: translateX(0); }
.drawer-close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--border); background: transparent;
  color: var(--muted); font-size: 20px; cursor: pointer;
  transition: transform .3s var(--ease), color .3s, border-color .3s;
}
.drawer-close:hover { transform: scale(1.12) rotate(90deg); color: var(--text); border-color: var(--accent); }
.drawer h2 { font-size: 20px; letter-spacing: .04em; line-height: 1.5; }
.c-slogan { margin-top: 8px; font-size: 12.5px; color: var(--accent); letter-spacing: .14em; }
.c-intro { margin-top: 16px; font-size: 13.5px; line-height: 1.9; color: var(--muted); text-align: justify; }

.c-stats {
  margin-top: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
}
.c-stat {
  padding: 14px 14px 12px; border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(148, 167, 192, .05);
}
.c-stat b { display: block; font-size: 17px; color: var(--accent); letter-spacing: .02em; }
.c-stat s { display: block; margin-top: 4px; text-decoration: none; font-size: 11.5px; color: var(--muted); letter-spacing: .06em; }

.c-facts { margin-top: 18px; border-top: 1px solid var(--border); }
.c-fact {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 11px 2px; border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.c-fact label { color: var(--muted); flex: none; }
.c-fact span { text-align: right; }

.c-contacts { margin-top: 18px; display: flex; flex-direction: column; gap: 10px; }
.contact {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 14px; border-radius: 12px;
  border: 1px solid var(--border); background: rgba(148, 167, 192, .05);
  font-size: 13px;
}
.contact label { color: var(--muted); flex: none; }
.contact .contact-value { flex: 1; text-align: right; line-height: 1.5; word-break: break-all; }
.contact button {
  flex: none; padding: 6px 13px; border-radius: 999px;
  border: 1px solid var(--accent); background: var(--accent-soft);
  color: var(--accent); font-size: 12px; cursor: pointer;
  transition: transform .3s var(--ease);
}
.contact button:hover { transform: scale(1.08); }

/* ---------- 弹窗 ---------- */
.modal {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(4, 8, 15, .6);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  display: grid; place-items: center;
  opacity: 0; visibility: hidden;
  transition: opacity .4s, visibility .4s;
}
.modal.open { opacity: 1; visibility: visible; }
.modal-card {
  position: relative;
  width: min(360px, 88vw);
  padding: 30px 26px 26px;
  border-radius: 20px;
  background: var(--panel-strong);
  text-align: center;
  transform: translateY(14px) scale(.97);
  transition: transform .45s var(--ease);
}
.modal.open .modal-card { transform: translateY(0) scale(1); }
.modal-card h3 { font-size: 17px; letter-spacing: .06em; }
.modal-tip { margin-top: 8px; font-size: 12.5px; color: var(--muted); }
.modal-card > p { margin-top: 12px; font-size: 13.5px; line-height: 1.9; color: var(--muted); text-align: justify; }

.qrcode-wrap {
  margin: 20px auto 0; width: 196px; height: 196px;
  padding: 12px; border-radius: 14px;
  background: #fff; /* 二维码白底保证扫得出 */
}
.qrcode-wrap img, .qrcode-wrap canvas { width: 100% !important; height: 100% !important; display: block; }
.share-url {
  margin: 14px auto 0; padding: 9px 12px;
  border-radius: 9px; border: 1px solid var(--border);
  font-size: 11.5px; color: var(--muted);
  max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  direction: rtl; text-align: left; /* 长链接显示尾部 */
}
.btn-primary {
  margin-top: 16px; width: 100%; padding: 11px 0;
  border-radius: 999px; border: none; cursor: pointer;
  background: var(--accent); color: #04231f;
  font-size: 14px; font-weight: 700; letter-spacing: .2em; text-indent: .2em;
  transition: transform .3s var(--ease), filter .3s;
}
.btn-primary:hover { transform: scale(1.03); filter: brightness(1.1); }

/* ---------- Toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 170px; z-index: 80;
  transform: translateX(-50%) translateY(8px);
  padding: 10px 22px; border-radius: 999px;
  background: var(--panel-strong);
  backdrop-filter: var(--blur); -webkit-backdrop-filter: var(--blur);
  border: 1px solid var(--border-hi);
  font-size: 13px; letter-spacing: .05em;
  opacity: 0; visibility: hidden;
  transition: all .4s var(--ease);
}
.toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

/* ---------- 场景切换进度条 ---------- */
.loadbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50; height: 2px;
  pointer-events: none; overflow: hidden;
}
.loadbar i {
  display: block; height: 100%; width: 30%;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: loading 1.1s linear infinite;
}

/* ---------- 移动端适配 ---------- */
@media (max-width: 640px) {
  .brand { padding: 8px 12px; max-width: 58vw; }
  .brand-text { font-size: 14px; }
  .brand-name { display: none; }
  .brand-divider { display: none; }
  /* 顶栏太挤：返回只留箭头、品牌徽章隐藏，把空间让给右侧工具 */
  .topbar { padding: max(10px, env(safe-area-inset-top)) 12px 0; }
  .topbar-left { gap: 8px; }
  .back-btn { padding: 10px; gap: 0; }
  .back-btn span { display: none; }
  .brand { display: none; }
  .tool-btn { width: 38px; height: 38px; }
  .scene-tag { bottom: 104px; }
  .scene-item { width: 76px; }
  .scene-item img { height: 44px; }
  .drawer { padding: max(64px, env(safe-area-inset-top)) 20px 32px; }
}
@media (max-height: 460px) and (orientation: landscape) {
  .scene-bar { bottom: 10px; }
  .scene-item img { height: 38px; }
  .scene-tag { display: none; }
}