:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --border: #e6e8ec;
  --text: #1f2329;
  --muted: #8a9099;
  --accent: #4f46e5;
  --accent-soft: #eef0ff;
  --green: #16a34a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; background: var(--card); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: baseline; gap: 10px; }
.logo { font-size: 20px; font-weight: 700; color: var(--accent); letter-spacing: .5px; }
.tagline { color: var(--muted); font-size: 13px; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.btn {
  border: 1px solid var(--border); background: var(--card); color: var(--text);
  padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: 13px; transition: .15s;
}
.btn:hover { border-color: var(--accent); }
.btn.ghost { background: transparent; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { opacity: .9; }
.points-pill {
  background: var(--accent-soft); color: var(--accent); padding: 6px 12px;
  border-radius: 20px; font-weight: 600; font-size: 13px;
}
.tabs { display: flex; gap: 6px; padding: 12px 24px 0; }
.tab {
  border: none; background: transparent; padding: 10px 16px; cursor: pointer;
  font-size: 15px; color: var(--muted); border-bottom: 2px solid transparent;
}
.tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.filters {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--card);
}
.select, .search {
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: 13px;
  background: #fff; color: var(--text);
}
.search { flex: 1; min-width: 180px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--border); border-radius: 16px; padding: 5px 12px; cursor: pointer;
  font-size: 12px; color: var(--muted); background: #fff;
}
.chip.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.container { max-width: 920px; margin: 20px auto; padding: 0 24px 60px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px 18px; margin-bottom: 14px;
}
.card-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.card-title { font-size: 15px; font-weight: 600; margin: 0 0 6px; }
.card-desc { color: #444; margin: 0 0 10px; }
.tags { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.tag { background: var(--accent-soft); color: var(--accent); font-size: 11px; padding: 3px 8px; border-radius: 6px; }
.meta { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; color: var(--muted); font-size: 12px; }
.region-flag { font-size: 14px; }
.vote-box { display: flex; flex-direction: column; align-items: center; gap: 2px; min-width: 48px; }
.vote-btn {
  border: 1px solid var(--border); background: #fff; border-radius: 8px; padding: 6px 10px;
  cursor: pointer; color: var(--accent); font-weight: 600;
}
.vote-btn.voted { background: var(--accent); color: #fff; border-color: var(--accent); }
.vote-count { font-size: 12px; color: var(--muted); }
.tools { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.tool-link { color: var(--accent); text-decoration: none; font-size: 12px; border-bottom: 1px dashed var(--accent); }
.actions { display: flex; gap: 10px; margin-top: 8px; }
.like-btn, .comment-btn, .dl-btn {
  border: 1px solid var(--border); background: #fff; border-radius: 8px; padding: 6px 12px;
  cursor: pointer; font-size: 12px; color: var(--text);
}
.like-btn.liked { color: var(--green); border-color: var(--green); }
.dl-btn { background: var(--accent); color: #fff; border-color: var(--accent); }
.comments { margin-top: 10px; border-top: 1px dashed var(--border); padding-top: 10px; display: none; }
.comments.show { display: block; }
.comment { font-size: 13px; padding: 6px 0; border-bottom: 1px solid #f0f1f3; }
.comment .who { color: var(--accent); font-weight: 600; margin-right: 6px; }
.comment-form { display: flex; gap: 8px; margin-top: 8px; }
.comment-form input { flex: 1; border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; font-size: 13px; }
.price { color: var(--accent); font-weight: 600; }
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.4); display: flex; align-items: center; justify-content: center; z-index: 50;
}
.modal.hidden { display: none; }
.modal-box {
  background: #fff; border-radius: 14px; padding: 24px; width: 340px; position: relative;
  display: flex; flex-direction: column; gap: 10px;
}
.modal-box h3 { margin: 0 0 6px; }
.close { position: absolute; top: 10px; right: 14px; border: none; background: none; font-size: 22px; cursor: pointer; color: var(--muted); }
.input { border: 1px solid var(--border); border-radius: 8px; padding: 9px 11px; font-size: 13px; font-family: inherit; }
.msg { color: var(--green); font-size: 12px; min-height: 14px; }
.msg.err { color: #dc2626; }
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #1f2329; color: #fff; padding: 10px 18px; border-radius: 8px; font-size: 13px; z-index: 100;
}
.toast.hidden { display: none; }
.empty { text-align: center; color: var(--muted); padding: 40px; }

/* v3 定位条 */
.positioning {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 10px 24px; background: linear-gradient(90deg, var(--accent-soft), #fff);
  border-bottom: 1px solid var(--border); font-size: 13px;
}
.pos-tag {
  font-weight: 700; font-size: 12px; padding: 4px 10px; border-radius: 20px; color: #fff; white-space: nowrap;
}
.pos-tag.free { background: var(--green); }
.pos-text { color: #444; }

/* 地区标签（替代 emoji 旗帜，专业无 emoji） */
.region-tag {
  display: inline-block; padding: 2px 8px; border-radius: 6px;
  background: #f0f1f3; color: #555; font-size: 11px; font-weight: 600;
}
.meta .region-tag { margin-right: 4px; }

/* 免费徽章 */
.free-badge {
  background: var(--green); color: #fff; font-size: 12px; font-weight: 700;
  padding: 4px 10px; border-radius: 8px; white-space: nowrap;
}

/* 用户邮箱缩写 */
.email-mini { color: var(--muted); font-size: 12px; }

/* 实测报告 */
.test-btn {
  border: 1px solid var(--border); background: #fff; border-radius: 8px; padding: 6px 12px;
  cursor: pointer; font-size: 12px; color: var(--text);
}
.test-btn:hover { border-color: var(--accent); }
.test-pill { font-size: 11px; color: var(--green); font-weight: 600; margin-left: 6px; }
.tests { margin-top: 10px; border-top: 1px dashed var(--border); padding-top: 10px; display: none; }
.tests.show { display: block; }
.test-summary { display: flex; gap: 10px; margin-bottom: 8px; font-size: 12px; }
.test-summary .ts { padding: 2px 8px; border-radius: 6px; background: #f0f1f3; color: #555; }
.test-summary .ts.ok { background: #e7f7ec; color: var(--green); }
.test-summary .ts.fl { background: #fdeaea; color: #c0392b; }
.test-form { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.test-result { display: flex; gap: 14px; font-size: 13px; }
.test-result label { cursor: pointer; }
.test-form input { border: 1px solid var(--border); border-radius: 8px; padding: 7px 10px; font-size: 13px; }
.test-login { color: var(--muted); font-size: 12px; margin-top: 6px; }
.r-success { color: var(--green); }
.r-fail { color: #c0392b; }
.r-partial { color: #d97706; }