/* 竖屏投宽屏 · 苹果风：留白、玻璃卡片、细字重，图标不垫满色底 */
:root {
  --bg: #f5f5f7; --card: rgba(255,255,255,.72); --line: rgba(0,0,0,.08); --text: #1d1d1f; --sub: #6e6e73;
  --accent: #0071e3; --ok: #1f9d55; --warn: #c27c0e; --bad: #d70015; --r: 22px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font-family: var(--font); color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
h1 { font-size: 40px; font-weight: 700; letter-spacing: -.02em; margin: 0 0 8px; }
h2 { font-size: 21px; font-weight: 600; margin: 0 0 6px; letter-spacing: -.01em; }
p { color: var(--sub); line-height: 1.6; margin: 0; }
.wrap { max-width: 960px; margin: 0 auto; padding: 64px 28px 48px; }
.lead { font-size: 19px; margin-bottom: 40px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card {
  background: var(--card); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--line); border-radius: var(--r); padding: 28px; box-shadow: 0 1px 2px rgba(0,0,0,.04), 0 12px 40px rgba(0,0,0,.06);
}
a.card { display: block; color: inherit; transition: transform .2s ease, box-shadow .2s ease; }
a.card:hover { transform: translateY(-2px); box-shadow: 0 2px 4px rgba(0,0,0,.05), 0 18px 50px rgba(0,0,0,.09); }
.icon { width: 34px; height: 34px; color: var(--accent); margin-bottom: 18px; }
.go { margin-top: 18px; color: var(--accent); font-weight: 500; }
.steps { margin: 12px 0 0; padding-left: 20px; color: var(--sub); line-height: 1.8; }
.foot { margin-top: 40px; font-size: 13px; color: #86868b; }

label { display: block; font-size: 13px; color: var(--sub); margin: 14px 0 6px; }
input, select {
  width: 100%; font: inherit; font-size: 16px; padding: 11px 14px; border-radius: 12px; border: 1px solid var(--line);
  background: rgba(255,255,255,.9); color: var(--text); outline: none;
}
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,113,227,.15); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
button {
  font: inherit; font-size: 16px; font-weight: 500; border: 0; border-radius: 980px; padding: 12px 22px; cursor: pointer;
  background: var(--accent); color: #fff; transition: opacity .15s;
}
button:hover { opacity: .9; }
button.ghost { background: rgba(0,0,0,.05); color: var(--text); }
button.big { width: 100%; padding: 16px; font-size: 18px; margin-top: 22px; }
button.danger { background: rgba(215,0,21,.08); color: var(--bad); }
.muted { color: var(--sub); font-size: 13px; }
.mono { font-family: "SF Mono", ui-monospace, Menlo, Consolas, monospace; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #c7c7cc; margin-right: 8px; vertical-align: 1px; }
.dot.ok { background: var(--ok); } .dot.warn { background: var(--warn); } .dot.bad { background: var(--bad); }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 6px 12px; font-size: 14px; margin-top: 12px; }
.kv div:nth-child(odd) { color: var(--sub); }
.hidden { display: none !important; }
details summary { cursor: pointer; color: var(--sub); font-size: 14px; margin-top: 18px; }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); background: rgba(29,29,31,.86); color: #fff;
  padding: 10px 18px; border-radius: 980px; font-size: 14px; z-index: 99; transition: opacity .3s; }