/* ─── 演示站样式 ─────────────────────────────────────────── */
:root{
  --accent:#6c63ff;
  --accent2:#845ef7;
  --bg:#f4f6fb;
  --card-bg:#fff;
  --text:#1a1a2e;
  --text2:#666;
  --border:#e8eaf0;
  --radius:14px;
  --shadow:0 4px 18px rgba(108,99,255,0.10);
}
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Helvetica Neue',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;}

/* ─── 顶部 ─── */
.header{
  background:linear-gradient(135deg,#1a1a2e 0%,#2d2b55 100%);
  box-shadow:0 2px 16px rgba(0,0,0,0.18);
  position:sticky;top:0;z-index:100;
}
.header-inner{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;height:58px;
}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;}
.logo img{width:36px;height:36px;border-radius:9px;object-fit:contain;background:rgba(255,255,255,0.08);}
.logo span{font-size:17px;font-weight:700;color:#fff;letter-spacing:0.3px;}
.nav-tabs{display:flex;gap:4px;}
.nav-tab{
  padding:6px 18px;border-radius:8px;
  font-size:14px;color:rgba(255,255,255,0.65);font-weight:500;
  text-decoration:none;transition:all .18s;cursor:pointer;
}
.nav-tab:hover,.nav-tab.active{background:rgba(108,99,255,0.25);color:#fff;}
.nav-tab.active{background:rgba(108,99,255,0.35);color:#c4b5fd;font-weight:700;}

/* ─── 主内容 ─── */
.main{max-width:1200px;margin:0 auto;padding:28px 16px 40px;}
.tab-section{display:none;}
.tab-section.active{display:block;}

.section-head{
  display:flex;align-items:center;gap:12px;margin-bottom:20px;
  flex-wrap:wrap;
}
.section-head h2{font-size:20px;font-weight:700;color:var(--text);}
.count-badge{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;font-size:12px;font-weight:600;
  padding:3px 11px;border-radius:20px;
}
.today-badge{
  background:rgba(82,196,26,0.12);color:#52c41a;
  font-size:12px;font-weight:600;padding:3px 11px;border-radius:20px;
  border:1px solid rgba(82,196,26,0.25);
}
.refresh-dot{
  color:rgba(108,99,255,0.4);font-size:12px;cursor:default;
  animation:pulse 2s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.3}}
.refresh-dot.refreshing{color:#52c41a;}

/* ─── 卡片网格 ─── */
.card-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
  gap:20px;
}
.empty-tip{color:var(--text2);text-align:center;padding:40px;width:100%;}

/* ─── 应用卡片 ─── */
.app-card{
  background:var(--card-bg);border-radius:var(--radius);
  box-shadow:var(--shadow);border:1px solid var(--border);
  padding:18px;display:flex;flex-direction:column;gap:12px;
  transition:transform .2s,box-shadow .2s;
}
.app-card:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(108,99,255,0.16);}

.card-top{display:flex;gap:12px;align-items:flex-start;}
.app-icon{width:62px;height:62px;border-radius:14px;object-fit:cover;flex-shrink:0;box-shadow:0 2px 10px rgba(0,0,0,0.12);}
.app-meta{flex:1;min-width:0;}
.app-name{font-size:15px;font-weight:700;color:var(--text);line-height:1.4;margin-bottom:6px;display:flex;align-items:baseline;gap:7px;flex-wrap:wrap;}
.app-build-date{
  display:inline-flex;align-items:center;gap:3px;
  font-size:10px;font-weight:500;color:#9b8fc2;white-space:nowrap;
  background:rgba(108,99,255,0.07);border:1px solid rgba(108,99,255,0.15);
  border-radius:4px;padding:1px 6px;line-height:1.6;
}
.app-build-date::before{
  content:'';display:inline-block;width:10px;height:10px;flex-shrink:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%239b8fc2'%3E%3Cpath d='M19 4h-1V2h-2v2H8V2H6v2H5c-1.11 0-1.99.9-1.99 2L3 20a2 2 0 0 0 2 2h14c1.1 0 2-.9 2-2V6c0-1.1-.9-2-2-2zm0 16H5V9h14v11zM7 11h5v5H7z'/%3E%3C/svg%3E");
  background-size:contain;background-repeat:no-repeat;background-position:center;
}
.app-badges{display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;line-height:1;}
.badge{
  display:inline-flex;align-items:center;gap:3px;
  font-size:11px;font-weight:600;padding:2px 7px;border-radius:5px;
  vertical-align:middle;white-space:nowrap;
}
.badge+.badge{margin-left:4px;}
.platform-icon{width:11px;height:11px;flex-shrink:0;}
.badge-android{background:rgba(82,196,26,0.12);color:#389e0d;}
.badge-ios{background:rgba(24,144,255,0.1);color:#1677ff;}
.badge-size{background:#f5f5f5;color:#888;}
.badge-ver{background:#f0f7ff;color:#1677ff;}
.badge-date{background:#fff7e6;color:#d46b08;}

/* ─── 描述 ─── */
.app-desc{font-size:13px;color:var(--text2);line-height:1.7;max-height:72px;overflow:hidden;position:relative;}
.app-desc::after{content:'';position:absolute;bottom:0;left:0;right:0;height:24px;background:linear-gradient(transparent,var(--card-bg));}

/* ─── 媒体轮播 ─── */
.media-carousel{
  display:flex;gap:8px;overflow-x:auto;
  padding-bottom:4px;scroll-snap-type:x mandatory;
}
.media-carousel::-webkit-scrollbar{height:3px;}
.media-carousel::-webkit-scrollbar-thumb{background:rgba(108,99,255,0.2);border-radius:2px;}
.media-img{
  flex-shrink:0;width:160px;height:100px;object-fit:cover;
  border-radius:8px;cursor:pointer;scroll-snap-align:start;
  border:1px solid var(--border);transition:transform .15s;
}
.media-img:hover{transform:scale(1.02);}
.media-video{flex-shrink:0;width:240px;height:135px;border-radius:8px;overflow:hidden;scroll-snap-align:start;}
.media-video iframe{width:100%;height:100%;border:none;}

/* ─── 统计行 ─── */
.stats-row{
  display:grid;grid-template-columns:1fr 1fr 1fr 1.2fr;
  background:#f8f7ff;border-radius:10px;overflow:hidden;
}
.stat-item{
  display:flex;flex-direction:column;align-items:center;
  padding:8px 4px;border-right:1px solid #ede9ff;
}
.stat-item:last-child{border-right:none;}
.stat-label{font-size:11px;color:#9b8fc2;margin-bottom:3px;font-weight:500;}
.stat-val{font-size:14px;font-weight:700;color:var(--text);}
.stat-item.highlight .stat-val{color:var(--accent);font-size:15px;}
.stat-item.total{background:rgba(108,99,255,0.06);}
.stat-item.total .stat-val{color:var(--accent2);}

/* ─── 下载按钮 ─── */
.dl-btn{
  display:block;text-align:center;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#fff;font-size:14px;font-weight:700;
  padding:11px;border-radius:10px;text-decoration:none;
  box-shadow:0 4px 14px rgba(108,99,255,0.3);
  transition:all .18s;margin-top:auto;
}
.dl-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(108,99,255,0.4);}
.dl-btn:active{transform:translateY(0);}

/* ─── 灯箱 ─── */
.lightbox{
  display:none;position:fixed;inset:0;
  background:rgba(0,0,0,0.9);z-index:9999;
  align-items:center;justify-content:center;cursor:zoom-out;
}
.lightbox.show{display:flex;}
.lightbox img{max-width:92vw;max-height:92vh;border-radius:10px;object-fit:contain;}

/* ─── 底部 ─── */
.footer{
  text-align:center;padding:24px 16px;
  background:#1a1a2e;color:rgba(255,255,255,0.3);
  font-size:12px;line-height:1.8;
}
.footer .icp{margin-top:4px;}

/* ─── 响应式 ─── */
@media(max-width:600px){
  .header-inner{padding:0 12px;height:52px;}
  .logo span{font-size:15px;}
  .nav-tab{padding:5px 12px;font-size:13px;}
  .main{padding:16px 10px 32px;}
  .card-grid{grid-template-columns:1fr;}
  .stats-row{grid-template-columns:1fr 1fr 1fr 1fr;}
  .stat-val{font-size:13px;}
}