/* ============================================================
   Chalculate 法律页面样式（/terms · /privacy）
   独立小样式表：只复用主站设计令牌，不改动 style.css（无需递增版本参数）
   ============================================================ */

:root {
  --bg: #0b0c10;
  --bg-2: #101218;
  --panel: rgba(255, 255, 255, 0.055);
  --line: rgba(255, 255, 255, 0.12);
  --line-soft: rgba(255, 255, 255, 0.08);
  --text: #f5f5f7;
  --muted: #a2a3ad;
  --accent: #f7871f;
  --accent-2: #ff9a3d;
  --accent-grad: linear-gradient(135deg, #ffb35c, #f7871f 55%, #ef6c12);
  --radius-md: 18px;
}

*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto,
    "Helvetica Neue", "Noto Sans", "Noto Sans SC", "Noto Sans Arabic", "Noto Sans Thai",
    "Noto Sans Devanagari", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
::selection { background: rgba(247, 135, 31, 0.35); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }

/* ---------- 顶部条 ---------- */
.legal-top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(11, 12, 16, 0.85);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid var(--line-soft);
}
.legal-top-inner {
  max-width: 820px; margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; gap: 14px;
}
.legal-top .brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; }
.legal-top .brand img { width: 30px; height: 30px; border-radius: 8px; }
.legal-top .brand small { display: block; font-weight: 400; color: var(--muted); font-size: 0.72rem; }
.legal-top nav { margin-inline-start: auto; display: flex; gap: 6px; }
.legal-top nav a {
  padding: 7px 14px; border-radius: 999px; font-size: 0.86rem;
  color: var(--muted); border: 1px solid transparent;
}
.legal-top nav a:hover { color: var(--text); background: var(--panel); }
.legal-top nav a.active { color: var(--accent-2); border-color: var(--line); }
.legal-lang {
  margin-inline-start: 2px; padding: 7px 10px; border-radius: 10px;
  background: var(--panel); color: var(--text); border: 1px solid var(--line);
  font-size: 0.85rem; font-family: inherit; max-width: 200px; cursor: pointer;
}
.legal-lang option { background: var(--bg-2); color: var(--text); }

/* ---------- 正文 ---------- */
.legal-wrap { max-width: 820px; margin: 0 auto; padding: 48px 24px 80px; }
.legal-head { margin-bottom: 36px; }
.legal-head .doc-kind {
  display: inline-block; padding: 4px 14px; border-radius: 999px;
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.06em;
  background: rgba(247, 135, 31, 0.12); color: var(--accent-2);
  margin-bottom: 14px;
}
.legal-head h1 { margin: 0 0 8px; font-size: clamp(1.6rem, 4vw, 2.2rem); line-height: 1.25; }
.legal-head .meta { color: var(--muted); font-size: 0.9rem; margin: 0; }

.legal-lang-switch { display: flex; gap: 8px; margin: 26px 0 10px; }
.legal-lang-switch a {
  padding: 8px 18px; border-radius: 999px; font-size: 0.88rem; font-weight: 600;
  border: 1px solid var(--line); color: var(--muted);
}
.legal-lang-switch a.active { background: var(--accent-grad); color: #17181c; border-color: transparent; }

.legal-doc h2 {
  font-size: 1.16rem; margin: 2.4em 0 0.6em; padding-top: 1.6em;
  border-top: 1px solid var(--line-soft);
}
.legal-doc h2:first-of-type { border-top: 0; padding-top: 0; }
.legal-doc h3 { font-size: 1rem; margin: 1.6em 0 0.4em; color: var(--accent-2); }
.legal-doc p, .legal-doc li { color: #d7d8de; font-size: 0.96rem; }
.legal-doc ul { padding-inline-start: 1.3em; }
.legal-doc li { margin: 0.35em 0; }
.legal-doc a { color: var(--accent-2); text-decoration: underline; text-underline-offset: 3px; }
.legal-doc strong { color: var(--text); }
.legal-doc .note {
  padding: 14px 18px; border-radius: var(--radius-md);
  background: var(--panel); border: 1px solid var(--line-soft);
  font-size: 0.9rem; color: var(--muted);
}

.legal-footer {
  border-top: 1px solid var(--line-soft); margin-top: 56px; padding-top: 22px;
  display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
  color: var(--muted); font-size: 0.85rem;
}
.legal-footer nav { display: flex; gap: 16px; margin-inline-start: auto; }
.legal-footer a { color: var(--muted); }
.legal-footer a:hover { color: var(--text); }

@media (max-width: 560px) {
  .legal-top nav a { padding: 7px 10px; }
  .legal-top .brand small { display: none; }
}