:root {
  --bg: #f5f7fa;
  --bg-soft: #eef2f7;
  --card: #ffffff;
  --ink: #1f2733;
  --ink-soft: #6b7585;
  --line: #e7ebf0;
  --primary: #2f9e8f;
  --primary-soft: #e6f7f4;
  --blue: #4a90d9;
  --blue-soft: #eaf2fc;
  --amber: #c8821a;
  --amber-soft: #fdf3e3;
  --gray-soft: #eef0f2;
  --gray-ink: #6b7280;
  --shadow: 0 2px 10px rgba(31, 39, 51, 0.06);
  --shadow-hover: 0 8px 24px rgba(31, 39, 51, 0.12);
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

/* ---------- Hero / name card ---------- */
.hero {
  background: linear-gradient(135deg, #ffffff 0%, #f0f7f5 100%);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  gap: 22px;
  align-items: center;
  flex-wrap: wrap;
}

.avatar {
  width: 84px;
  height: 84px;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--primary), #57c2b3);
  color: #fff;
  font-size: 38px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  box-shadow: 0 6px 16px rgba(47, 158, 143, 0.35);
}

.hero-text { flex: 1 1 280px; min-width: 240px; }

.hero-text h1 {
  margin: 0 0 6px;
  font-size: 26px;
  letter-spacing: 0.5px;
}

.hero-sub {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.6;
}

.hero-meta {
  margin-top: 12px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-soft);
}
.hero-meta b { color: var(--ink); font-weight: 600; }

/* ---------- Controls ---------- */
.controls {
  margin: 24px 0 8px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.search {
  position: relative;
}
.search input {
  width: 100%;
  padding: 14px 16px 14px 44px;
  font-size: 15px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  font-family: inherit;
}
.search input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(47, 158, 143, 0.12);
}
.search svg {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-soft);
}

.chips {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.chip {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-soft);
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 14px;
  cursor: pointer;
  transition: all .15s;
  user-select: none;
}
.chip:hover { border-color: var(--primary); color: var(--primary); }
.chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.result-count {
  margin: 18px 2px 14px;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ---------- Grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform .15s, box-shadow .15s, border-color .15s;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: #d6ebe7;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
}

.card-top {
  display: flex;
  align-items: center;
  gap: 8px;
}
.tag.dl { background: var(--blue-soft); color: var(--blue); }

.card-snippet {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-soft);
}
.card-foot .author { font-weight: 500; }

.tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.tag.gzh { background: var(--primary-soft); color: var(--primary); }
.tag.note { background: var(--amber-soft); color: var(--amber); }
.tag.pdf { background: var(--gray-soft); color: var(--gray-ink); }

.empty {
  text-align: center;
  color: var(--ink-soft);
  padding: 60px 20px;
  font-size: 15px;
}

/* ---------- Modal ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 28, 38, 0.45);
  backdrop-filter: blur(2px);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 16px;
  z-index: 50;
  overflow-y: auto;
}
.overlay.show { display: flex; }

.modal {
  background: #fff;
  border-radius: 18px;
  max-width: 680px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  animation: pop .18s ease;
}
@keyframes pop { from { transform: translateY(12px); opacity: 0; } to { transform: none; opacity: 1; } }

.modal-head {
  padding: 22px 24px 14px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.modal-head h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.4;
  flex: 1;
}
.modal-close {
  border: none;
  background: var(--bg-soft);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  color: var(--ink-soft);
  flex: 0 0 auto;
  line-height: 1;
}
.modal-close:hover { background: #e2e7ed; color: var(--ink); }

.modal-meta {
  padding: 12px 24px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
}
.modal-meta span b { color: var(--ink); font-weight: 600; }

.modal-body {
  padding: 22px 24px 26px;
  font-size: 15px;
  line-height: 1.95;
  color: #2c3644;
  word-break: break-word;
}
.modal-body p { margin: 0 0 14px; }
.modal-body h2 { font-size: 17px; margin: 22px 0 10px; color: var(--ink); line-height: 1.5; }
.modal-body img { max-width: 100%; height: auto; border-radius: 10px; margin: 10px 0; display: block; }
.modal-body a { color: var(--primary); text-decoration: underline; }
.modal-body ul, .modal-body ol { padding-left: 22px; margin: 0 0 14px; }
.modal-body li { margin: 4px 0; }
.modal-body blockquote { border-left: 3px solid var(--line); margin: 0 0 14px; padding: 8px 14px; color: var(--ink-soft); background: var(--bg-soft); border-radius: 0 8px 8px 0; }
.modal-body code { background: var(--bg-soft); padding: 2px 6px; border-radius: 5px; font-size: 13px; }
.modal-body pre { background: #1f2733; color: #e6edf3; padding: 14px; border-radius: 10px; overflow: auto; }
.modal-body pre code { background: none; padding: 0; color: inherit; }

/* download / resource links */
.links { margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line); }
.links-title { font-size: 13px; font-weight: 600; color: var(--ink-soft); margin-bottom: 10px; }
.link-btn {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; background: var(--primary-soft);
  border: 1px solid #cdeae5; border-radius: 12px; padding: 11px 14px;
  margin-bottom: 10px; color: var(--ink); transition: all .15s;
}
.link-btn:hover { background: #d9f3ee; border-color: var(--primary); }
.link-label { font-weight: 600; color: var(--primary); flex: 0 0 auto; background: #fff; border: 1px solid #cdeae5; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.link-url { flex: 1; font-size: 12px; color: var(--ink-soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.link-pwd { font-size: 12px; color: var(--amber); flex: 0 0 auto; }
.link-go { flex: 0 0 auto; color: var(--primary); font-weight: 600; font-size: 13px; }

.pending { padding: 24px; text-align: center; color: var(--ink-soft); background: var(--bg-soft); border-radius: 12px; line-height: 1.8; }
.modal-note {
  padding: 0 24px 22px;
  font-size: 12px;
  color: var(--ink-soft);
}

footer.page-foot {
  margin-top: 40px;
  text-align: center;
  font-size: 12px;
  color: var(--ink-soft);
}

@media (max-width: 520px) {
  .hero { padding: 20px; }
  .avatar { width: 64px; height: 64px; font-size: 30px; border-radius: 18px; }
  .hero-text h1 { font-size: 22px; }
}