:root {
  --green: #2f7d5a;
  --green-d: #1f5c43;
  --green-l: #e8f3ec;
  --ink: #1f2a24;
  --muted: #7a8a80;
  --line: #e6ebe7;
  --bg: #f7f8f6;
  --card: #ffffff;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.7 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}

.wrap { max-width: 680px; margin: 0 auto; padding: 0 16px 48px; }

.top { padding: 26px 0 16px; }
.top h1 {
  margin: 0;
  font: 600 22px/1.4 "Songti SC", "Noto Serif SC", "STSong", serif;
  letter-spacing: 0.5px;
  color: var(--green-d);
}
.top .sub { margin: 7px 0 0; color: var(--muted); font-size: 13px; }

.search { margin: 14px 0 10px; }
.search input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  font-size: 14px;
  color: var(--ink);
  outline: none;
  -webkit-appearance: none;
}
.search input:focus { border-color: var(--green); }

.chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 0 14px;
  scrollbar-width: none;
}
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto;
  padding: 6px 14px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}
.chip.on { background: var(--green); border-color: var(--green); color: #fff; }

.card {
  display: flex;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 10px;
  text-decoration: none;
  color: inherit;
}
.card:active { background: #fafbfa; }

.thumb {
  width: 78px;
  height: 78px;
  flex: 0 0 78px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--green-l);
}
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb.ph {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  font: 600 13px/1.3 "Songti SC", serif;
  letter-spacing: 1px;
}

.meta { flex: 1; min-width: 0; }
.meta h3 {
  margin: 0 0 4px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.meta .line {
  color: var(--muted);
  font-size: 12.5px;
  margin-bottom: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.badges { display: flex; gap: 6px; flex-wrap: wrap; }
.badge {
  font-size: 11.5px;
  padding: 2px 7px;
  border-radius: 5px;
  background: var(--green-l);
  color: var(--green-d);
}
.badge.zip { background: #eef2f7; color: #3a5a7a; }
.badge.plain { background: #f2f4f2; color: var(--muted); }

.empty { text-align: center; color: var(--muted); font-size: 13.5px; padding: 40px 0; }

.more { text-align: center; padding: 14px 0 0; }
.more button {
  padding: 10px 26px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  color: var(--green-d);
  font-size: 13.5px;
}

.foot {
  text-align: center;
  color: #a9b5ac;
  font-size: 12px;
  padding: 30px 0 10px;
}
.foot a { color: #a9b5ac; text-decoration: none; }

/* ---------- 详情页 ---------- */

.back {
  display: inline-block;
  padding: 14px 0 0;
  color: var(--muted);
  font-size: 13.5px;
  text-decoration: none;
}

.detail-h1 {
  margin: 14px 0 10px;
  font: 600 21px/1.5 "Songti SC", "Noto Serif SC", serif;
  color: var(--ink);
}

.info { color: var(--muted); font-size: 13px; margin-bottom: 12px; }
.info span + span::before { content: "·"; margin: 0 7px; color: #ccd5ce; }

.cover {
  width: 100%;
  border-radius: 12px;
  display: block;
  margin: 12px 0;
  border: 1px solid var(--line);
}

.desc {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 14.5px;
  line-height: 1.85;
  white-space: pre-wrap;
  color: #33403a;
}

.dl { display: flex; flex-direction: column; gap: 10px; margin: 20px 0 8px; }
.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  border-radius: 11px;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  font-size: 15.5px;
  border: 0;
  width: 100%;
  font-family: inherit;
}
.btn:active { background: var(--green-d); }
.btn.ghost { background: #fff; color: var(--green-d); border: 1px solid #cfdcd4; }
.btn small { opacity: 0.75; font-size: 12px; font-weight: 400; }

.wxtip {
  background: #fff8e1;
  border: 1px solid #f0e0b0;
  color: #7a5c15;
  padding: 11px 13px;
  border-radius: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  margin: 16px 0;
}
.wxtip b { font-weight: 600; }

.article-link {
  display: block;
  margin-top: 18px;
  padding: 13px 15px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 11px;
  color: var(--green-d);
  text-decoration: none;
  font-size: 14px;
}
.article-link::after { content: " →"; color: var(--muted); }