:root{
  --bg:#0b1020;
  --card:#121a33;
  --card2:#0f1630;
  --text:#e9edff;
  --muted:#a8b0d6;
  --line:rgba(255,255,255,.10);
  --accent:#7c5cff;
  --accent2:#27d7ff;
  --danger:#ff4d6d;
  --ok:#2be4a7;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "PingFang SC","Microsoft YaHei", Arial;
  background: radial-gradient(1200px 600px at 50% -100px, rgba(124,92,255,.35), transparent 60%),
              radial-gradient(900px 500px at 90% 10%, rgba(39,215,255,.18), transparent 55%),
              var(--bg);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
}
a{color:inherit}
.app {
  height: calc(var(--vh) * 100);
}
.topbar{
  height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 14px;
  border-bottom:1px solid var(--line);
  background: rgba(10,14,28,.55);
  backdrop-filter: blur(10px);
}
.brand{
  display:flex; gap:10px; align-items:center;
  font-weight:700;
}
.dot{
  width:10px;height:10px;border-radius:999px;
  background: linear-gradient(135deg,var(--accent),var(--accent2));
  box-shadow: 0 0 18px rgba(124,92,255,.45);
}
.pill{
  font-size:12px;
  padding:6px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--muted);
  background:rgba(255,255,255,.03);
  display:flex; gap:8px; align-items:center;
}
.main{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:16px;
}
.stack{
  width:min(420px, 100%);
  position:relative;
}

/* 主卡片 */
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border:1px solid var(--line);
  border-radius:22px;
  overflow:hidden;
  box-shadow: 0 18px 60px rgba(0,0,0,.45);
}
.hero{
  position:relative;
  height:520px;
  background:var(--card);
}
@media (max-height: 780px){
  .hero{height:480px;}
}
.hero img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  filter:saturate(1.05) contrast(1.05);
}
.grad{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(0,0,0,.00) 45%, rgba(0,0,0,.75) 100%),
    radial-gradient(500px 240px at 30% 30%, rgba(124,92,255,.28), transparent 60%);
  pointer-events:none;
}
.badgeRow{
  position:absolute; left:12px; top:12px;
  display:flex; gap:8px; flex-wrap:wrap;
}
.badge{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.25);
  backdrop-filter: blur(8px);
}
.status{
  position:absolute; right:12px; top:12px;
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.25);
  backdrop-filter: blur(8px);
  display:flex; gap:6px; align-items:center;
}
.status .sDot{
  width:8px;height:8px;border-radius:99px;
  background: var(--ok);
  box-shadow: 0 0 10px rgba(43,228,167,.4);
}
.status.busy .sDot{
  background: var(--danger);
  box-shadow: 0 0 10px rgba(255,77,109,.45);
}

.bottomInfo{
  position:absolute;
  left:14px; right:14px; bottom:12px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.nameLine{
  display:flex; align-items:flex-end; justify-content:space-between; gap:10px;
}
.name{
  font-size:22px;
  font-weight:800;
  letter-spacing:.2px;
}
.meta{
  font-size:12px; color:rgba(233,237,255,.75);
}
.price{
  font-weight:800;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  white-space:nowrap;
}
.desc{
  font-size:13px;
  color:rgba(233,237,255,.78);
  line-height:1.4;
}

.actions{
  display:flex;
  gap:10px;
  padding:12px;
  border-top:1px solid var(--line);
  background:rgba(15,22,48,.65);
  backdrop-filter: blur(10px);
}
.btn{
  flex:1;
  height:44px;
  border-radius:14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.05);
  color:var(--text);
  font-weight:700;
  cursor:pointer;
  transition: transform .08s ease, background .15s ease;
}
.btn:active{ transform: scale(.99); }
.btn.primary{
  border:none;
  background: linear-gradient(135deg,var(--accent),var(--accent2));
  color:#0b1020;
}

/* 左右切换按钮 */
.navBtn{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:44px;height:44px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(10,14,28,.55);
  color:var(--text);
  cursor:pointer;
  backdrop-filter: blur(10px);
  display:grid; place-items:center;
  user-select:none;
}
.navBtn:hover{ background: rgba(255,255,255,.06); }
.navBtn.left{ left:-10px; }
.navBtn.right{ right:-10px; }
@media (max-width: 520px){
  .navBtn.left{ left:8px; }
  .navBtn.right{ right:8px; }
}

/* 详情页 */
.modal{
  position:fixed;
  inset:0;
  background: rgba(0,0,0,.55);
  justify-content:center;
  align-items:flex-end;
  z-index:9999;
  padding:0;

  display:flex;                 /* 永远是 flex */
  opacity:0;                    /* 默认透明 */
  visibility:hidden;            /* 默认不可见 */
  pointer-events:none;          /* 默认不可点击 */
  transition: opacity .3s ease; /* 背景淡入 */
}

.modal.show{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
}
.sheet{
  width:100%;
  max-width:520px;
  height:85dvh;
  background: rgba(12,16,32,.92);
  backdrop-filter: blur(12px);
  border-top-left-radius:22px;
  border-top-right-radius:22px;
  display:flex;
  flex-direction:column;
  overflow:hidden;

  /* 新增动画相关 */
  transform: translateY(100%);
  transition: transform .35s cubic-bezier(.22,.61,.36,1);
}

/* 👇 新增这一段 */
.modal.show .sheet{
  transform: translateY(0);
}
.sheetTop{
  padding:12px;
  padding-top: calc(12px + env(safe-area-inset-top));
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid var(--line);
}
.back{
  height:38px; padding:0 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.04);
  color:var(--text);
  cursor:pointer;
  font-weight:700;
}
.sheetBody{
  flex:1;                  /* 关键 */
  overflow-y:auto;
  -webkit-overflow-scrolling: touch;
}
.gallery{
  position:relative;
  height:340px;
  background:var(--card2);
}
.gallery img{
  width:100%; height:100%;
  object-fit:cover; display:block;
}
.gNav{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  width:42px;height:42px;border-radius:999px;
  border:1px solid var(--line);
  background: rgba(0,0,0,.35);
  color:var(--text);
  cursor:pointer;
  backdrop-filter: blur(8px);
  display:grid; place-items:center;
  user-select:none;
}
.gNav.prev{ left:10px;}
.gNav.next{ right:10px;}
.section{
  padding:14px;
  border-top:1px solid var(--line);
}
.row{
  display:flex; gap:10px; flex-wrap:wrap;
  color:var(--muted);
  font-size:13px;
}
.tag{
  padding:6px 10px;border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
}
.twoCol{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  margin-top:10px;
}
.box{
  border:1px solid var(--line);
  border-radius:16px;
  padding:12px;
  background: rgba(255,255,255,.03);
}
.boxTitle{
  font-weight:800;
  margin-bottom:6px;
}
.muted{ color:var(--muted); font-size:13px; line-height:1.5; }
.footerActions{
  padding:12px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom));
  border-top:1px solid var(--line);
  background: rgba(15,22,48,.65);
  display:flex;
  gap:10px;
}
.hint{
  position:fixed;
  left:50%;
  transform:translateX(-50%);
  bottom:10px;
  font-size:12px;
  color:rgba(233,237,255,.65);
  background: rgba(0,0,0,.25);
  border:1px solid var(--line);
  padding:6px 10px;
  border-radius:999px;
  backdrop-filter: blur(10px);
  user-select:none;
}