:root {
  --brand: #ff6a00; --brand-2: #ff8a3d; --text: #1f2329; --muted: #8a8f99; --line: #e8eaee;
  --bg: #f5f6f8; --card: #fff; --soft: #fafbfc; --ok: #12a150; --bad: #e5484d; --warn: #d97706;
}
@media (prefers-color-scheme: dark) {
  :root { --text: #e6e8eb; --muted: #9aa0a8; --line: #2c3036; --bg: #15171a; --card: #1d2024; --soft: #23272c; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.6 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; color: var(--text); background: var(--bg); }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 24px; margin: 0 0 8px; }
h2 { font-size: 17px; margin: 0 0 12px; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.center { text-align: center; }
.mono { font-family: Consolas, Menlo, monospace; }
.warn { color: var(--warn); }

.top { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.top-in { display: flex; align-items: center; justify-content: space-between; height: 58px; gap: 12px; }
.logo { display: flex; align-items: baseline; gap: 8px; color: var(--text); white-space: nowrap; }
.logo b { font-size: 18px; }
.logo span { color: var(--brand); font-weight: 600; }
.logo:hover { text-decoration: none; }
.top nav { display: flex; gap: 18px; overflow-x: auto; }
.top nav a { color: var(--text); white-space: nowrap; }
.top nav a.muted { color: var(--muted); }
.notice { background: #fff4e8; color: #8a4a00; padding: 8px 0; font-size: 13px; }
main { padding: 24px 16px 40px; min-height: 60vh; }
.foot { border-top: 1px solid var(--line); padding: 18px 0; font-size: 13px; text-align: center; }
.foot p { margin: 4px 0; }

.btn { display: inline-block; border: 0; border-radius: 8px; padding: 9px 18px; background: var(--brand); color: #fff !important; font-size: 14px; cursor: pointer; text-decoration: none !important; }
.btn:hover { background: var(--brand-2); }
.btn.ghost { background: transparent; color: var(--brand) !important; box-shadow: inset 0 0 0 1px var(--brand); }
.btn.sm { padding: 5px 12px; font-size: 13px; }
.btn.block { display: block; width: 100%; text-align: center; }
.btn[disabled] { opacity: .5; cursor: wait; }
.link { background: none; border: 0; color: var(--brand); cursor: pointer; padding: 0; font-size: 13px; }

.hero { text-align: center; padding: 26px 0 18px; }
.hero h1 { font-size: 30px; }
.hero p { color: var(--muted); font-size: 15px; }
.steps { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin: 18px 0; }
.steps div { background: var(--card); border-radius: 10px; padding: 8px 14px; box-shadow: 0 0 0 1px var(--line); }
.steps i { display: inline-flex; width: 20px; height: 20px; border-radius: 50%; background: var(--brand); color: #fff; font-style: normal; font-size: 12px; align-items: center; justify-content: center; margin-right: 6px; }
.hero-btns { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }

.tabs { display: flex; gap: 8px; margin: 18px 0 6px; border-bottom: 1px solid var(--line); }
.tab { background: none; border: 0; padding: 10px 16px; font-size: 16px; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab.on { color: var(--text); font-weight: 700; border-color: var(--brand); }
.cat-desc { color: var(--muted); margin: 10px 0 14px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.card { background: var(--card); border-radius: 14px; padding: 18px; box-shadow: 0 0 0 1px var(--line); position: relative; display: flex; flex-direction: column; }
.card:hover { box-shadow: 0 0 0 2px var(--brand); }
.card .tag { position: absolute; top: 14px; right: 14px; background: #fff1e6; color: var(--brand); font-size: 12px; padding: 2px 8px; border-radius: 10px; }
.card .region { font-size: 12px; color: var(--muted); }
.card h3 { font-size: 16px; margin: 2px 0 6px; padding-right: 70px; }
.card .intro { color: var(--muted); font-size: 13px; margin: 0 0 8px; min-height: 40px; }
.specs { list-style: none; padding: 0; margin: 0 0 12px; font-size: 13px; flex: 1; }
.specs li { padding: 2px 0; border-bottom: 1px dashed var(--line); }
.price b { font-size: 26px; color: var(--brand); }
.price span { color: var(--muted); }
.cycles { display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: 12px; color: var(--muted); margin: 2px 0 12px; min-height: 18px; }

.faq { margin-top: 36px; }
.faq details { background: var(--card); border-radius: 10px; padding: 12px 16px; margin-bottom: 8px; box-shadow: 0 0 0 1px var(--line); }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin: 8px 0 0; color: var(--muted); }

.panel { background: var(--card); border-radius: 14px; padding: 20px; box-shadow: 0 0 0 1px var(--line); margin-bottom: 16px; }
.panel.narrow { max-width: 480px; margin: 10px auto 16px; }
.page-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.flash { padding: 10px 14px; border-radius: 10px; margin-bottom: 14px; background: #e9f8ef; color: #0d6b36; }
.flash.err { background: #fdecec; color: #a4262c; }
.flash form, form.flash { display: flex; gap: 10px; align-items: center; }

.form { display: flex; flex-direction: column; gap: 12px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.form input, .form select, .inline-form input { border: 1px solid var(--line); background: var(--soft); color: var(--text); border-radius: 8px; padding: 8px 10px; font-size: 14px; width: 100%; }
.form input:focus, .form select:focus { outline: none; border-color: var(--brand); background: var(--card); }
.form.inline { flex-direction: row; flex-wrap: wrap; align-items: center; }
.form.inline label { flex-direction: row; align-items: center; white-space: nowrap; }
.form.inline input, .form.inline select { width: auto; min-width: 140px; }
.form.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); }
.form .span2 { grid-column: span 2; }
.narrow-form { max-width: 560px; }
.sep { border-top: 1px solid var(--line); padding-top: 12px; font-size: 13px; display: flex; justify-content: space-between; }
.hint { font-size: 13px; min-height: 18px; }
.hint.ok { color: var(--ok); }
.hint.err { color: var(--bad); }
.check { display: inline-flex !important; flex-direction: row !important; align-items: center; gap: 4px; }
.inline-form { display: inline; }

.table-wrap { overflow-x: auto; background: var(--card); border-radius: 12px; box-shadow: 0 0 0 1px var(--line); margin-bottom: 16px; }
.panel .table-wrap { box-shadow: none; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.table th { color: var(--muted); font-weight: 400; background: var(--soft); white-space: nowrap; }
.table.sm th, .table.sm td { padding: 6px 8px; font-size: 13px; }
.st { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 10px; background: var(--soft); color: var(--muted); white-space: nowrap; }
.st-active { background: #e9f8ef; color: var(--ok); }
.st-provisioning { background: #fff4e8; color: var(--warn); }
.st-failed, .st-expired, .st-suspended { background: #fdecec; color: var(--bad); }

.status-line { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.kv { display: grid; grid-template-columns: 90px 1fr; gap: 8px 12px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-all; }
.btns { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }

.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stats div { background: var(--card); border-radius: 12px; padding: 14px; box-shadow: 0 0 0 1px var(--line); }
.stats span { display: block; color: var(--muted); font-size: 12px; }
.stats b { font-size: 24px; }
.stats small { display: block; font-size: 12px; color: var(--muted); }
.stats .bad { box-shadow: 0 0 0 2px var(--bad); }
.stats .bad b { color: var(--bad); }
.stats .warn b { color: var(--warn); }
.plan-edit.off { opacity: .65; }
.plan-head { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.plan-head .check { margin-left: auto; }

.toast { position: fixed; left: 50%; top: 70px; transform: translateX(-50%); background: #1f2329; color: #fff; padding: 10px 18px; border-radius: 10px; z-index: 99; max-width: 90vw; font-size: 14px; }
.toast.err { background: var(--bad); }

@media (max-width: 760px) {
  .hide-sm { display: none; }
  .top nav { gap: 12px; font-size: 13px; }
  .logo span { display: none; }
  .hero h1 { font-size: 24px; }
  .form.grid4 { grid-template-columns: 1fr 1fr; }
  .kv { grid-template-columns: 76px 1fr; }
}