:root {
  --bg: #fafafb;
  --card: #ffffff;
  --line: #e8e8ef;
  --text: #17171d;
  --muted: #71717a;
  --brand: #6b5cff;
  --brand-soft: #f1efff;
  --ok: #0f9d63;
  --warn: #b45309;
  --err: #d92d20;
  --radius: 16px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ---------- 顶栏 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 14px 32px;
  background: rgba(250, 250, 251, .86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}

.logo { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 16px; }
.logo .dot {
  width: 24px; height: 24px; border-radius: 8px;
  background: linear-gradient(135deg, #8b7bff, #5b47ff);
  box-shadow: 0 4px 12px rgba(107, 92, 255, .35);
}

.nav-links { display: flex; gap: 4px; margin-left: 8px; }
.nav-links a {
  padding: 7px 14px; border-radius: 9px; font-size: 14px; color: var(--muted);
  transition: .15s;
}
.nav-links a:hover { background: #f1f1f6; color: var(--text); }
.nav-links a.active { background: var(--brand-soft); color: var(--brand); font-weight: 600; }

.nav-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.balance-chip {
  display: flex; align-items: center; gap: 7px;
  padding: 6px 13px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line);
  font-size: 13px; font-weight: 600;
}
.balance-chip .coin {
  width: 16px; height: 16px; border-radius: 50%;
  background: linear-gradient(135deg, #ffd76e, #f5a524);
}

/* ---------- 按钮 ---------- */
button { font: inherit; cursor: pointer; border: none; }

.btn {
  padding: 9px 18px; border-radius: 10px; font-size: 14px; font-weight: 600;
  background: var(--brand); color: #fff;
  transition: .15s;
}
.btn:hover:not(:disabled) { filter: brightness(1.07); transform: translateY(-1px); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn.ghost { background: #fff; color: var(--text); border: 1px solid var(--line); }
.btn.ghost:hover { border-color: #d5d5e0; }
.btn.block { width: 100%; padding: 12px; font-size: 15px; }
.btn.sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }

/* ---------- 布局 ---------- */
main { max-width: 1080px; margin: 0 auto; padding: 0 32px 96px; }

.hero { padding: 64px 0 40px; text-align: center; }
.hero h1 {
  margin: 0 0 14px; font-size: 42px; line-height: 1.2; letter-spacing: -.5px;
}
.hero h1 em {
  font-style: normal;
  background: linear-gradient(120deg, #6b5cff, #b06bff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p { margin: 0 auto; max-width: 560px; color: var(--muted); font-size: 16px; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 11px; border-radius: 999px;
  font-size: 12px; font-weight: 500;
  background: #fef4e6; color: var(--warn); border: 1px solid #f6e3c4;
}
.badge.ok { background: #e9f8f0; color: var(--ok); border-color: #c9ecdb; }
.badge.err { background: #fdeceb; color: var(--err); border-color: #f6cfcc; }

.section-head {
  display: flex; align-items: baseline; gap: 12px; margin: 0 0 18px;
}
.section-head h2 { margin: 0; font-size: 21px; letter-spacing: -.2px; }
.section-head .sub { color: var(--muted); font-size: 13px; }

/* ---------- 套餐 ---------- */
.plans { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }

.plan {
  position: relative;
  display: flex; flex-direction: column;
  padding: 24px 22px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: .18s;
}
.plan:hover { border-color: #d8d4ff; box-shadow: 0 12px 28px rgba(107, 92, 255, .1); transform: translateY(-2px); }
.plan.featured { border-color: #cfc7ff; box-shadow: 0 10px 30px rgba(107, 92, 255, .12); }
.plan .tag {
  position: absolute; top: 0; right: 0;
  padding: 4px 12px; font-size: 11px; font-weight: 600;
  color: #fff; background: var(--brand);
  border-radius: 0 var(--radius) 0 12px;
}
.plan .kind { font-size: 12px; color: var(--brand); font-weight: 600; letter-spacing: .3px; }
.plan h3 { margin: 8px 0 2px; font-size: 17px; }
.plan .desc { color: var(--muted); font-size: 13px; min-height: 20px; }
.plan .price { margin: 16px 0 4px; display: flex; align-items: baseline; gap: 4px; }
.plan .price .num { font-size: 34px; font-weight: 700; letter-spacing: -1px; }
.plan .price .cur { font-size: 15px; color: var(--muted); font-weight: 500; }
.plan ul { margin: 14px 0 20px; padding: 0; list-style: none; display: grid; gap: 8px; font-size: 13.5px; }
.plan ul li { display: flex; gap: 8px; align-items: flex-start; color: #3f3f46; }
.plan ul li::before {
  content: ""; flex: none; width: 15px; height: 15px; margin-top: 3px; border-radius: 50%;
  background: var(--brand-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='15' height='15'><path d='M4.2 7.6l2.1 2.1 4.4-4.4' fill='none' stroke='%236b5cff' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/contain no-repeat;
}
.plan .foot { margin-top: auto; }

/* ---------- 卡片/表格 ---------- */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 24px;
}
.card + .card { margin-top: 18px; }

.assets { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 14px; }
.asset { padding: 18px; border-radius: 12px; background: #fbfbfe; border: 1px solid var(--line); }
.asset .k { font-size: 12px; color: var(--muted); }
.asset .v { font-size: 26px; font-weight: 700; letter-spacing: -.5px; }
.asset .v small { font-size: 12px; color: var(--muted); font-weight: 500; letter-spacing: 0; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 11px 8px; border-bottom: 1px solid #f0f0f5; }
th { font-weight: 500; color: var(--muted); font-size: 12.5px; }
tbody tr:last-child td { border-bottom: none; }
td.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12px; color: var(--muted); }

.state {
  padding: 48px 0; text-align: center; color: var(--muted);
}
.state .big { font-size: 40px; margin-bottom: 10px; }

.empty {
  padding: 36px 20px; text-align: center; color: var(--muted);
  border: 1px dashed var(--line); border-radius: 12px; font-size: 14px;
  grid-column: 1 / -1;
}

/* ---------- 结果页 ---------- */
.result-wrap { max-width: 560px; margin: 72px auto; }
.result-card { text-align: center; padding: 44px 32px; }
.result-icon {
  width: 68px; height: 68px; margin: 0 auto 18px; border-radius: 50%;
  display: grid; place-items: center; font-size: 30px;
  background: var(--brand-soft);
}
.result-icon.ok { background: #e9f8f0; }
.result-icon.warn { background: #fef4e6; }
.result-icon.err { background: #fdeceb; }
.result-card h2 { margin: 0 0 8px; font-size: 23px; }
.result-card p { margin: 0 0 22px; color: var(--muted); font-size: 14px; }

.kv { display: grid; grid-template-columns: 110px 1fr; gap: 10px 16px; font-size: 13.5px; text-align: left; margin: 0 0 26px; }
.kv .k { color: var(--muted); }
.kv .v { word-break: break-all; }

/* ---------- 弹层 ---------- */
.modal-mask {
  position: fixed; inset: 0; z-index: 50;
  display: grid; place-items: center;
  background: rgba(23, 23, 29, .4);
  backdrop-filter: blur(3px);
}
.modal {
  width: 100%; max-width: 380px;
  background: #fff; border-radius: 18px; padding: 26px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .18);
}
.modal h3 { margin: 0 0 6px; font-size: 18px; }
.modal p { margin: 0 0 18px; color: var(--muted); font-size: 13px; }
.modal input {
  width: 100%; padding: 11px 13px; margin-bottom: 14px;
  border: 1px solid var(--line); border-radius: 10px; font: inherit;
}
.modal input:focus { outline: 2px solid var(--brand-soft); border-color: var(--brand); }

.toast {
  position: fixed; left: 50%; bottom: 32px; transform: translateX(-50%);
  z-index: 60; max-width: 520px;
  padding: 12px 20px; border-radius: 12px;
  background: #17171d; color: #fff; font-size: 13.5px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, .25);
}
.toast.err { background: #b42318; }

.note { margin-top: 14px; padding: 12px 14px; border-radius: 10px; background: #fbfbfe; border: 1px solid var(--line); font-size: 12.5px; color: var(--muted); }

@media (max-width: 640px) {
  .nav { padding: 12px 16px; gap: 12px; }
  .nav-links { display: none; }
  main { padding: 0 16px 72px; }
  .hero { padding: 40px 0 28px; }
  .hero h1 { font-size: 30px; }
}

/* ---------- 数据来源条 ---------- */
.origin {
  margin-bottom: 14px;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 13.5px;
}
.origin.ok { border-color: #b8e6cf; background: #f2fbf6; }
.origin.warn { border-color: #f3ddb4; background: #fffbf2; }
.origin.bad { border-color: #f5c2be; background: #fff6f5; }
.origin-main { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.origin-main .dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--muted); flex: none;
}
.origin.ok .dot { background: var(--ok); }
.origin.warn .dot { background: #d97706; }
.origin.bad .dot { background: var(--err); }
.origin-main strong { font-weight: 600; }
.origin-main code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; padding: 2px 7px; border-radius: 6px;
  background: #f4f4f7; color: #3f3f46;
}
.origin-main .muted { color: var(--muted); }
.origin details { margin-top: 8px; }
.origin summary {
  cursor: pointer; font-size: 12.5px; color: var(--muted); user-select: none;
}
.origin pre {
  margin: 8px 0 0; padding: 10px 12px; border-radius: 8px;
  background: #1b1b22; color: #e6e6ee;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; line-height: 1.6; overflow-x: auto;
}

/* ---------- 区块数据来源标识 ---------- */
.src {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin: 0 0 14px; padding: 9px 12px; border-radius: 9px;
  font-size: 12.5px; line-height: 1.5;
  border: 1px solid var(--line); background: #fafafb;
}
.src-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); flex: none; }
.src-ok { border-color: #cfeadd; background: #f4fbf7; }
.src-ok .src-dot { background: var(--ok); }
.src-warn { border-color: #f3ddb4; background: #fffbf2; }
.src-warn .src-dot { background: #d97706; }
.src-bad { border-color: #f5c2be; background: #fff6f5; }
.src-bad .src-dot { background: var(--err); }
.src-detail { color: var(--muted); }
.src code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11.5px; padding: 1px 6px; border-radius: 5px;
  background: #f1f1f4; color: #52525b;
}
.asset .v.muted { color: var(--muted); font-weight: 500; }
.asset .v.muted small { display: block; margin-top: 2px; font-size: 11.5px; }