/* ===== Base ===== */
html, body { padding: 0; margin: 0; }
body {
  background: #f7f7f8;
  color: #111827;
  font-family: system-ui,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  line-height: 1.5;
}

/* 页面容器：96vw 居中 */
.page {
  width: 96vw;
  max-width: 1280px;      /* 可按需调整 */
  margin: 24px auto;
}

/* ===== Cards & Basics ===== */
.card {
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 16px;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
  margin-bottom: 16px;
}
h2, h3 { margin: 0 0 10px 0; }
.muted { color: #ff6e0f; font-size: 12px; }
pre {
  white-space: pre-wrap;
  word-break: break-all;
  background: #0b1020;
  color: #d1d5db;
  padding: 12px;
  border-radius: 10px;
  max-height: 360px;
  overflow: auto;
}

/* 按钮 */
.btn { padding: 10px 16px; border: none; border-radius: 10px; background: #111827; color: #fff; cursor: pointer; }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn.copy { float: right; background: #717171; }

/* 输入统一 */
input, textarea, select {
  width: 100%;
  padding: 10px;
  box-sizing: border-box;
  font-family: ui-monospace,Consolas,Menlo,monospace;
}

/* ===== 表单布局：每行一个，标题在上，控件在下 ===== */
.grid { display: block; }
.grid > div {
  display: block;          /* 每一项单独一行 */
  width: 100%;
  margin-bottom: 12px;
}
.grid > div > label {
  display: block;          /* 标题永远在上方 */
  font-weight: 600;
  margin: 0 0 6px 0;       /* 与下方控件留间距 */
}
.grid > div > .muted {
  display: block;          /* 说明文字在控件下方 */
  margin-top: 6px;
}

/* 表格（TXT 列表等） */
table {
  width: 100%;
  border-collapse: collapse;
  font-family: ui-monospace,Consolas,Menlo,monospace;
}
th, td { border: 1px solid #e5e7eb; padding: 8px; text-align: left; vertical-align: top; }
.copyable { cursor: pointer; text-decoration: underline dotted #9ca3af; }

/* 动作区域 */
.actions { display: flex; align-items: center; gap: 12px; margin-top: 14px; }

/* ===== H5 自适配（小屏优化） ===== */
@media (max-width: 640px) {
  .page { width: 96vw; margin: 12px auto; }
  .btn.copy { float: none; margin-top: 8px; }
}