/* ============================================================
   润比邻内容聚合站 · 全局样式
   ============================================================ */
:root {
  --bg: #f5f7f6;
  --card: #ffffff;
  --ink: #1f2a28;
  --sub: #6b7a76;
  --brand: #1aa179;
  --brand-d: #138a66;
  --line: #e6ebe9;
  --danger: #e0533d;
  --shadow: 0 2px 10px rgba(20, 40, 35, 0.06);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC",
    "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

/* ---- 顶栏 ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 800; font-size: 18px; letter-spacing: 0.5px; }
.brand span { font-weight: 500; font-size: 12px; color: var(--sub); margin-left: 6px; }
.nav { display: flex; gap: 6px; }
.nav a {
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 14px;
  color: var(--sub);
  transition: 0.15s;
}
.nav a.active, .nav a:hover { background: var(--brand); color: #fff; }

/* ---- 容器 ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 18px 16px 60px; }

/* ---- 筛选/过滤条 ---- */
.filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}
.filterbar input,
.filterbar select {
  flex: 1 1 160px;
  min-width: 120px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 15px;
  background: #fff;
  outline: none;
}
.filterbar input:focus,
.filterbar select:focus { border-color: var(--brand); }
.filterbar button {
  padding: 10px 18px;
  border: none;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font-size: 15px;
  cursor: pointer;
}
.filterbar button[type="button"] { background: #fff; color: var(--sub); border: 1px solid var(--line); }

.subbar { color: var(--sub); font-size: 13px; margin-bottom: 10px; }

/* ---- 卡片墙 ---- */
.grid-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}
.card {
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.15s, box-shadow 0.15s;
}
a.card:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(20, 40, 35, 0.12); }

.thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: linear-gradient(135deg, #1aa179, #2bb98c);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.thumb::after {
  content: "润比邻";
  color: rgba(255, 255, 255, 0.85);
  font-weight: 700;
  letter-spacing: 2px;
}
.thumb img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.card-body { padding: 12px 14px 14px; }
.card-body h3 {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.caption {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 12px; color: var(--sub); }
.tag {
  background: #eaf6f1;
  color: var(--brand-d);
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 12px;
}
.tag-2 { background: #eef1f5; color: #5a6b78; }
.date { margin-left: auto; }

/* 朋友圈九宫格缩略 */
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3px;
  background: linear-gradient(135deg, #1aa179, #2bb98c);
}
.grid img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  display: block;
  background: rgba(255, 255, 255, 0.15);
}

.more-wrap { text-align: center; margin-top: 22px; }
.more {
  padding: 11px 30px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--sub);
  font-size: 14px;
  cursor: pointer;
}
.more:hover { color: var(--brand-d); border-color: var(--brand); }

/* ---- 投稿页 ---- */
.tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.tab {
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--sub);
  font-size: 14px;
  cursor: pointer;
}
.tab.active { background: var(--brand); color: #fff; border-color: var(--brand); }

.card-form {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 560px;
}
.card-form label { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--sub); }
.card-form input,
.card-form textarea {
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 16px;
  font-family: inherit;
  outline: none;
}
.card-form input:focus,
.card-form textarea:focus { border-color: var(--brand); }
.card-form textarea { min-height: 90px; resize: vertical; }
.card-form button[type="submit"] {
  padding: 12px;
  border: none;
  border-radius: 10px;
  background: var(--brand);
  color: #fff;
  font-size: 16px;
  cursor: pointer;
}
.msg { margin-top: 16px; font-size: 14px; min-height: 20px; }
.msg.ok { color: var(--brand-d); }
.msg.err { color: var(--danger); }

/* ---- 后台 ---- */
.login { max-width: 360px; margin: 60px auto; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; }
.login h2 { margin: 0 0 18px; }
.login input { width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; font-size: 16px; outline: none; }
.login button { width: 100%; margin-top: 16px; padding: 12px; border: none; border-radius: 10px; background: var(--brand); color: #fff; font-size: 16px; cursor: pointer; }

.dash-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.logout { padding: 8px 16px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--sub); cursor: pointer; }

.admin-list { display: flex; flex-direction: column; gap: 10px; }
.row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--card);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 10px 12px;
}
.row-img { width: 56px; height: 56px; object-fit: cover; border-radius: 8px; background: var(--line); flex-shrink: 0; }
.row-main { flex: 1; min-width: 0; }
.row-title { font-weight: 600; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row-meta { display: flex; gap: 8px; align-items: center; font-size: 12px; color: var(--sub); margin-top: 3px; }
.badge { padding: 1px 8px; border-radius: 999px; font-size: 11px; }
.badge.on { background: #eaf6f1; color: var(--brand-d); }
.badge.off { background: #fbeae6; color: var(--danger); }
.td-btn { padding: 8px 14px; border: 1px solid var(--danger); color: var(--danger); background: #fff; border-radius: 8px; cursor: pointer; font-size: 13px; flex-shrink: 0; }
.td-btn:hover { background: var(--danger); color: #fff; }

.admin-logs { display: flex; flex-direction: column; gap: 8px; }
.log { background: var(--card); border-radius: 10px; box-shadow: var(--shadow); padding: 10px 12px; font-size: 14px; }
.log .date { color: var(--sub); font-size: 12px; margin-left: 6px; }

/* ---- 移动端适配 ---- */
@media (max-width: 640px) {
  .grid-wall { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .topbar { padding: 10px 14px; }
  .brand span { display: none; }
  .container { padding: 14px 12px 50px; }
  .filterbar input, .filterbar select { flex: 1 1 100%; }
}