:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text: #0f172a;
  --text-2: #475569;
  --text-3: #94a3b8;
  --accent: #1d4ed8;
  --accent-hover: #1e40af;
  --accent-soft: #eff4ff;
  --ok: #047857;
  --ok-soft: #ecfdf5;
  --warn: #b45309;
  --danger: #b91c1c;
  --danger-soft: #fef2f2;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(15, 23, 42, .04);
  --shadow-hover: 0 2px 4px rgba(15, 23, 42, .06), 0 14px 32px rgba(15, 23, 42, .08);
}

* { box-sizing: border-box; }

/* 保证 hidden 属性对所有元素生效（部分元素设置了 display: flex，会盖掉 UA 的 display: none） */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 26px 20px 48px;
}

/* ---------------- 顶部 ---------------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  text-decoration: none;
  color: inherit;
  border-radius: 8px;
  outline: none;
}
.brand:focus-visible { box-shadow: 0 0 0 3px rgba(29, 78, 216, .15); }

.logo {
  display: grid;
  place-items: center;
  width: 38px; height: 38px;
  border-radius: 9px;
  background: var(--accent);
  color: #fff;
  flex: none;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.35; }
.brand-title { font-size: 17px; font-weight: 600; letter-spacing: .2px; }
.brand-sub { font-size: 12px; color: var(--text-3); }

.badges { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.badges.left { justify-content: flex-start; margin-top: 10px; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  font-size: 11.5px;
  white-space: nowrap;
}

/* ---------------- 面包屑 ---------------- */
.crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 12.5px;
  color: var(--text-3);
}
.crumb a { color: var(--text-2); text-decoration: none; }
.crumb a:hover { color: var(--accent); text-decoration: underline; }
.crumb-sep { color: var(--border-strong); }
.crumb-cur { color: var(--text); font-weight: 500; }

/* ---------------- 首页 ---------------- */
.hero { margin-bottom: 22px; }
.hero h1 { margin: 0 0 6px; font-size: 22px; font-weight: 600; letter-spacing: .2px; }
.hero p { margin: 0; color: var(--text-2); font-size: 13px; }

.app-groups { display: flex; flex-direction: column; gap: 26px; }

.group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.group-head h2 { margin: 0; font-size: 14.5px; font-weight: 600; }
.group-count { font-size: 12px; color: var(--text-3); }

.app-grid {
  display: grid;
  /* 固定宽度平铺：应用少时不会拉成大横幅，应用多时自动换行 */
  grid-template-columns: repeat(auto-fill, 300px);
  gap: 14px;
  justify-content: start;
}

.app-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  min-height: 132px;
  padding: 16px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: left;
  cursor: pointer;
  transition: border-color .15s, box-shadow .15s, transform .15s;
  outline: none;
}

.app-card:hover, .app-card:focus-visible {
  border-color: #bfd3fb;
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
}

.app-card.disabled { cursor: default; opacity: .78; background: var(--surface-soft); }
.app-card.disabled:hover { transform: none; border-color: var(--border); box-shadow: var(--shadow); }

.app-card-top { display: flex; gap: 12px; align-items: flex-start; }

.app-icon {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  flex: none;
  border-radius: 9px;
  background: var(--accent-soft);
  color: var(--accent);
}
.app-icon.lg { width: 52px; height: 52px; border-radius: 12px; }

.app-card-info { min-width: 0; }
.app-card-info h3 { margin: 1px 0 4px; font-size: 14.5px; font-weight: 600; }
.app-card-info p { margin: 0; font-size: 12.5px; color: var(--text-2); }

.app-card-foot { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }

.tag {
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11px;
  white-space: nowrap;
}
.tag.ghost { background: var(--surface-soft); color: var(--text-3); border: 1px solid var(--border); }

.status { margin-left: auto; font-size: 11.5px; color: var(--text-3); }
.status.ok { color: var(--ok); }
.status.pending { color: var(--warn); }

.app-card-go {
  position: absolute;
  top: 16px; right: 18px;
  font-size: 12px;
  color: var(--text-3);
  opacity: 0;
  transition: opacity .15s, color .15s;
}
.app-card:hover .app-card-go, .app-card:focus-visible .app-card-go { opacity: 1; color: var(--accent); }

/* ---------------- 应用详情 ---------------- */
.app-head {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  margin-bottom: 16px;
}

.app-head-main { display: flex; gap: 14px; align-items: flex-start; }
.app-head-info { flex: 1; min-width: 0; }
.app-head-info h1 { margin: 0 0 4px; font-size: 18px; font-weight: 600; }
.app-head-info p { margin: 0; color: var(--text-2); font-size: 12.5px; }

.layout { display: flex; flex-direction: column; gap: 16px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 600;
}
.card-title .link-btn { margin-left: auto; font-weight: 400; }

.step-no {
  flex: none;
  width: 21px; height: 21px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 11.5px;
  font-weight: 600;
}

/* 功能介绍 */
.intro-desc { margin: 0 0 14px; color: var(--text-2); font-size: 13px; }

.facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.fact {
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface-soft);
  padding: 9px 12px;
}
.fact-k { font-size: 11.5px; color: var(--text-3); margin-bottom: 2px; }
.fact-v { font-size: 12.5px; color: var(--text); }

.bullets { margin: 0; padding-left: 18px; color: var(--text-2); font-size: 12.5px; }
.bullets li { margin: 3px 0; }
.bullets li::marker { color: var(--accent); }

/* ---------------- 上传 ---------------- */
.dropzone {
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface-soft);
  padding: 22px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  outline: none;
}
.dropzone:hover, .dropzone:focus-visible, .dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.dropzone.disabled { opacity: .55; cursor: not-allowed; }
.dz-icon { color: var(--accent); margin-bottom: 4px; }
.dz-main { margin: 0; font-size: 13.5px; }
.dz-hint { margin: 4px 0 0; font-size: 12px; color: var(--text-3); }

.file-list { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }

.file-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-soft);
  font-size: 12.5px;
}
.file-item .name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-item .size { color: var(--text-3); font-variant-numeric: tabular-nums; }
.file-item button {
  border: none; background: transparent; color: var(--text-3);
  cursor: pointer; padding: 0 2px; font-size: 16px; line-height: 1;
}
.file-item button:hover { color: var(--danger); }

/* ---------------- 参数 ---------------- */
.param-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 18px; }

.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field label { font-size: 12.5px; color: var(--text-2); font-weight: 500; }

.field input[type="text"],
.field input[type="number"],
.field select,
.field textarea {
  width: 100%;
  height: 34px;
  padding: 0 9px;
  border: 1px solid var(--border-strong);
  border-radius: 7px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field textarea { height: auto; padding: 8px 9px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(29, 78, 216, .12);
}
.field .hint { font-size: 11.5px; color: var(--text-3); }

.field.checkbox {
  grid-column: 1 / -1;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  padding: 2px 0;
}
.field.checkbox label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 400;
  color: var(--text);
  cursor: pointer;
}
.field.checkbox input { width: 15px; height: 15px; accent-color: var(--accent); margin: 0; flex: none; }
.field.checkbox .hint { margin-left: 23px; }

.param-form.collapsed .advanced { display: none; }

/* ---------------- 按钮 ---------------- */
.actions {
  display: flex;
  gap: 10px;
  align-items: center;
  padding-top: 18px;
  margin-top: 18px;
  border-top: 1px solid var(--border);
}

.btn {
  height: 38px;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background .15s, border-color .15s, color .15s;
}
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover:not(:disabled) { background: var(--accent-hover); }
.btn.primary:disabled { opacity: .65; cursor: progress; }
.btn.ghost { background: var(--surface); border-color: var(--border-strong); color: var(--text-2); }
.btn.ghost:hover { background: var(--surface-soft); color: var(--text); }

.link-btn {
  border: none;
  background: none;
  padding: 0;
  color: var(--accent);
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
}
.link-btn:hover { text-decoration: underline; }

.spinner {
  width: 14px; height: 14px;
  border: 2px solid rgba(255, 255, 255, .45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------- 提示 ---------------- */
.alert {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 12.5px;
  border: 1px solid transparent;
}
.alert.error { background: var(--danger-soft); border-color: #fecaca; color: var(--danger); }
.alert.info {
  background: var(--accent-soft);
  border-color: #dbeafe;
  color: #1e40af;
  margin-top: 0;
  margin-bottom: 16px;
}
.alert.error .code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; opacity: .8; }

/* ---------------- 结果 ---------------- */
.result-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.result-title { margin-bottom: 4px; }
.muted { color: var(--text-2); font-size: 12.5px; margin: 0; }
.loading { padding: 8px 0; }

.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 16px; }

.stat {
  border: 1px solid var(--border);
  border-radius: 9px;
  padding: 10px 12px;
  background: var(--surface-soft);
}
.stat .k { font-size: 11.5px; color: var(--text-3); }
.stat .v { font-size: 19px; font-weight: 600; font-variant-numeric: tabular-nums; line-height: 1.3; }
.stat.warn .v { color: var(--warn); }
.stat.ok .v { color: var(--ok); }

.detail { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }
.detail-body { margin-top: 10px; max-height: 220px; overflow: auto; }

.detail-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.detail-table th, .detail-table td { text-align: left; padding: 5px 8px; border-bottom: 1px solid var(--border); }
.detail-table th { color: var(--text-3); font-weight: 500; background: var(--surface-soft); }
.detail-table td:first-child { width: 90px; color: var(--text-2); font-variant-numeric: tabular-nums; }

footer { margin-top: 22px; text-align: center; }
footer p { margin: 0; font-size: 11.5px; color: var(--text-3); }

@media (max-width: 720px) {
  .page { padding: 18px 14px 36px; }
  .card, .app-head { padding: 16px 15px; }
  .app-grid { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
  .param-form { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .topbar { align-items: flex-start; }
  .app-head-main { flex-wrap: wrap; }
  .app-head-main .btn { margin-left: 0; }
}