/* Chan shared skin — Fleet visual system (hosted at buy.ginfo.cc/assets/chan-skin.css) */
:root {
  --sans: Inter, ui-sans-serif, system-ui, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --hand: "Xiaolai SC", "Kaiti SC", STKaiti, KaiTi, cursive;
}
html[data-theme="light"] {
  color-scheme: light;
  --bg: #f7f7f8;
  --surface: #fff;
  --elevated: #ececec;
  --fg: #0d0d0d;
  --muted: #6e6e80;
  --subtle: #8e8ea0;
  --border: #e5e5e5;
  --accent: #0d0d0d;
  --accent-fg: #fff;
  --ok: #0f7b4c;
  --warn: #9a6700;
  --bad: #c7381a;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.04);
}
html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #212121;
  --surface: #2f2f2f;
  --elevated: #3a3a3a;
  --fg: #ececec;
  --muted: #b4b4b4;
  --subtle: #8f8f8f;
  --border: rgba(255,255,255,.1);
  --accent: #ececec;
  --accent-fg: #212121;
  --ok: #3dd68c;
  --warn: #e2c08d;
  --bad: #ff8a80;
  --shadow: 0 1px 2px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea, a { font: inherit; }
a { color: inherit; text-decoration: none; }
a.underline, .prose a, article a {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 3px;
}
button { cursor: pointer; }

.top {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid color-mix(in srgb, var(--border) 88%, transparent);
  background: color-mix(in srgb, var(--bg) 74%, transparent);
  backdrop-filter: saturate(185%) blur(18px);
  -webkit-backdrop-filter: saturate(185%) blur(18px);
  padding: 12px 20px;
}
.brand {
  font-weight: 600;
  letter-spacing: -0.03em;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--fg);
}
.brand img {
  width: 28px;
  height: 28px;
  border-radius: 8px;
}
.spacer { flex: 1; }
.nav-link {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
}
.nav-link:hover { color: var(--fg); }

.seg {
  position: relative;
  display: inline-grid;
  grid-auto-flow: column;
  align-items: center;
  border: 1px solid color-mix(in srgb, var(--border) 85%, transparent);
  border-radius: 999px;
  padding: 2px;
  gap: 0;
  background: color-mix(in srgb, var(--surface) 38%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
}
.seg button {
  height: 32px;
  padding: 0 10px;
  border: 0;
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  font-size: 12px;
  transition: color 150ms ease, background-color 150ms ease;
}
.seg button.on {
  color: var(--fg);
  background: color-mix(in srgb, var(--surface) 84%, var(--fg) 16%);
}

.wrap, main.wrap, .page {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}
.wrap.narrow, main.narrow { max-width: 720px; }

.kicker {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}
h1 {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin: 12px 0 0;
}
h2 {
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.03em;
  margin: 0 0 10px;
}
h3 {
  font-size: 15px;
  font-weight: 600;
  margin: 1.2em 0 0.4em;
}
.lead {
  margin: 16px 0 28px;
  color: var(--muted);
  font-size: 16px;
  max-width: 42em;
}
.muted, .note { color: var(--muted); font-size: 14px; }
.subtle, .foot { color: var(--subtle); font-size: 12px; }
.foot { margin-top: 28px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
  margin: 0 0 14px;
}
.card > strong:first-child,
.card > h2:first-child { display: block; margin-bottom: 10px; }

.btn, button.btn, a.btn {
  height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--fg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: transform 150ms ease, opacity 150ms ease, background-color 170ms ease;
}
.btn:hover, button.btn:hover, a.btn:hover { background: var(--elevated); }
.btn:active { transform: scale(.98); opacity: .92; }
.btn.primary, button.btn.primary, a.btn.primary {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: transparent;
}
.btn.primary:hover { opacity: .9; background: var(--accent); }
.btn.ghost {
  background: transparent;
  border: 0;
  color: var(--muted);
  height: auto;
  padding: 8px;
}
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0 6px;
  font-weight: 500;
}
label:first-child { margin-top: 0; }
input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  color: var(--fg);
  outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: color-mix(in srgb, var(--fg) 35%, var(--border));
}
textarea { min-height: 80px; resize: vertical; }

code, pre { font-family: var(--mono); font-size: 12.5px; }
code {
  font-size: .92em;
  background: var(--elevated);
  padding: 0.1em 0.35em;
  border-radius: 6px;
}
pre {
  margin: 0;
  background: var(--elevated);
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  overflow: auto;
  white-space: pre-wrap;
}
.addr {
  word-break: break-all;
  font-family: var(--mono);
  font-size: 13px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--fg);
  margin: 8px 0 14px;
}

.grid { display: grid; gap: 12px; }
@media (min-width: 560px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .row-3 { grid-template-columns: 1fr 1fr 1fr; }
}
.plan {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  background: var(--bg);
}
.plan strong { display: block; font-size: 15px; }
.plan .p { font-size: 22px; font-weight: 600; letter-spacing: -0.03em; margin: 6px 0; }
.plan .d { color: var(--muted); font-size: 13px; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  background: var(--surface);
  color: var(--muted);
}
.chip.on {
  color: var(--fg);
  background: var(--elevated);
  border-color: transparent;
}

.steps { display: grid; gap: 8px; margin-top: 8px; }
.steps div {
  padding: 10px 12px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  font-size: 14px;
  color: var(--muted);
}
.sample {
  white-space: pre-wrap;
  font-size: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  margin-top: 8px;
  color: var(--muted);
  font-family: var(--mono);
  line-height: 1.55;
}
.sample.warn { border-color: color-mix(in srgb, var(--warn) 45%, var(--border)); }

.ok {
  display: none;
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}
.ok.show { display: block; }

.price {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin: 0 0 12px;
}
.price span { font-size: 14px; font-weight: 500; color: var(--muted); }

ul, ol { margin: 8px 0 0; padding-left: 1.2rem; color: var(--muted); }
li { margin: 6px 0; }

/* Article / weekly issue prose */
.prose, article {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
  max-width: 42rem;
}
.prose h1, article h1,
.prose h2, article h2,
.prose h3, article h3 { color: var(--fg); }
.prose h1, article h1 { margin-top: 0; }
.prose h2, article h2 {
  font-size: 1.25em;
  margin-top: 2em;
  margin-bottom: 0.5em;
}
.prose blockquote, article blockquote {
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  border-left: 3px solid var(--border);
  color: var(--subtle);
}
.prose hr, article hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2rem 0;
}
.prose table, article table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
  font-size: 14px;
}
.prose th, .prose td, article th, article td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.6rem;
  text-align: left;
}
.cta-card {
  display: block;
  margin: 0 0 1.5rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
}
.cta-card strong { color: var(--fg); }
.issue-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.hand { font-family: var(--hand); }

@media (prefers-reduced-motion: reduce) {
  .btn, .seg button { transition: none !important; transform: none !important; }
}

button.btn:disabled, .btn:disabled { opacity:.45; cursor:not-allowed; pointer-events:none; }