/* ═══════════════════════════════════════════════════
   legal.css — 联系 / 隐私 / 条款 / 免责
   通栏刊头 + 手册式正文，token 沿用 site.css
   ═══════════════════════════════════════════════════ */

.legal-masthead {
  --legal-glow: rgba(232, 78, 47, .14);
  --legal-glow-2: rgba(80, 130, 170, .12);
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(900px 280px at 12% -20%, var(--legal-glow), transparent 58%),
    radial-gradient(720px 240px at 92% 10%, var(--legal-glow-2), transparent 52%),
    linear-gradient(180deg, #f1f5f8 0%, var(--paper) 100%);
}
.legal-masthead[data-legal="contact"] {
  --legal-glow: rgba(232, 78, 47, .18);
  --legal-glow-2: rgba(232, 78, 47, .06);
}
.legal-masthead[data-legal="privacy"] {
  --legal-glow: rgba(70, 120, 160, .18);
  --legal-glow-2: rgba(232, 78, 47, .08);
}
.legal-masthead[data-legal="terms"] {
  --legal-glow: rgba(17, 20, 24, .08);
  --legal-glow-2: rgba(70, 120, 160, .12);
}
.legal-masthead[data-legal="disclaimer"] {
  --legal-glow: rgba(196, 140, 40, .18);
  --legal-glow-2: rgba(232, 78, 47, .08);
}

.legal-masthead-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.legal-masthead-bg .grid-fade {
  position: absolute;
  inset: 0;
  opacity: .4;
  background-image:
    linear-gradient(rgba(17, 20, 24, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 20, 24, .045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(90deg, transparent 0%, #000 28%, #000 100%);
}
.legal-masthead-bg .soft-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(10px);
}
.legal-masthead-bg .soft-orb.a {
  width: min(420px, 46vw);
  height: min(420px, 46vw);
  right: 8%;
  top: -18%;
  background: radial-gradient(circle, var(--legal-glow), transparent 68%);
}
.legal-masthead-bg .soft-orb.b {
  width: min(280px, 36vw);
  height: min(280px, 36vw);
  right: 28%;
  bottom: -30%;
  background: radial-gradient(circle, var(--legal-glow-2), transparent 70%);
}

.legal-masthead-inner {
  position: relative;
  z-index: 1;
  padding: 36px 0 28px;
  opacity: 0;
  transform: translateY(18px);
  animation: rise .7s var(--ease) .04s forwards;
}
.legal-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
}
.legal-kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--accent);
}
.legal-masthead h1 {
  max-width: 16ch;
  font-size: clamp(40px, 6.4vw, 72px);
  font-weight: 900;
  letter-spacing: -.04em;
  line-height: .98;
}
.legal-lead {
  max-width: 46ch;
  margin: 16px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.75;
}
.legal-updated {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}
.legal-updated time {
  color: var(--ink);
  font-weight: 600;
}

.legal-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  width: fit-content;
  max-width: 100%;
  margin-top: 28px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  backdrop-filter: blur(12px) saturate(1.1);
}
.legal-switch a {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 14px;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
  transition: background .2s var(--ease), color .2s var(--ease);
}
.legal-switch a:hover { color: var(--ink); }
.legal-switch a.is-current {
  background: var(--ink);
  color: #fff;
}

/* —— 正文壳 —— */
.legal-page {
  position: relative;
  z-index: 1;
  padding: 36px 0 20px;
}
.legal-page .site-footer {
  margin-top: 48px;
}

/* —— 联系页 —— */
.contact-desk {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.72), rgba(247,249,251,.94));
  box-shadow: 0 18px 40px rgba(17, 20, 24, .05);
}
.contact-desk-copy {
  padding: 32px 36px;
}
.contact-desk-copy h2 {
  font-size: clamp(26px, 3vw, 34px);
}
.contact-desk-copy p {
  max-width: 42ch;
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.75;
}
.contact-desk-mail {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 32px;
  border-left: 1px solid var(--line-soft);
  background:
    linear-gradient(180deg, rgba(232, 78, 47, .06), transparent 42%),
    color-mix(in srgb, var(--surface) 70%, white);
}
.contact-mail-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .08em;
}
.contact-mail-address {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.2;
  word-break: break-all;
}
.contact-mail-address:hover { color: var(--accent-dark); }
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.contact-actions .btn { height: 42px; padding: 0 18px; font-size: 13px; }

.contact-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--line);
}
.contact-facts article {
  padding: 20px 22px;
  background: var(--surface);
}
.contact-facts span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}
.contact-facts strong {
  display: block;
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1.2;
}

.contact-block {
  margin-top: 36px;
}
.contact-block-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}
.contact-block h2 {
  font-size: 22px;
}
.contact-block-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.contact-cases {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.contact-case {
  min-height: 100%;
  padding: 20px 18px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 88%, white);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.contact-case:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  transform: translateY(-2px);
}
.contact-case .case-no {
  display: block;
  margin-bottom: 16px;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.03em;
}
.contact-case h3 {
  font-size: 16px;
}
.contact-case p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.7;
}

.contact-split {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 12px;
}
.contact-panel {
  padding: 24px 26px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 88%, white);
}
.contact-panel h3 {
  margin-bottom: 14px;
  font-size: 18px;
}
.contact-check,
.contact-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}
.contact-check li,
.contact-steps li {
  position: relative;
  padding: 10px 0 10px 28px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.65;
}
.contact-check li + li,
.contact-steps li + li {
  border-top: 1px solid var(--line-soft);
}
.contact-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
}
.contact-steps li::before {
  content: attr(data-step);
  position: absolute;
  left: 0;
  top: 11px;
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
}
.contact-note {
  margin-top: 12px;
  padding: 20px 22px;
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: var(--accent-soft);
}
.contact-note strong {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
}
.contact-note p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
}

/* —— 手册正文 —— */
.legal-doc {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}
.legal-toc {
  position: sticky;
  top: calc(var(--nav-h) + 18px);
  padding-top: 4px;
}
.legal-toc-label {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
}
.legal-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--line);
}
.legal-toc a {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 8px;
  padding: 8px 0 8px 14px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.45;
  transition: color .2s, border-color .2s;
}
.legal-toc a:hover,
.legal-toc a:focus-visible {
  color: var(--ink);
  border-left-color: var(--accent);
}
.legal-toc .toc-no {
  color: var(--accent);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
}

.legal-prose {
  min-width: 0;
  padding: 8px 0 12px;
}
.legal-chap {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 4px 20px;
  padding: 32px 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--nav-h) + 18px);
}
.legal-chap:first-child {
  padding-top: 8px;
  border-top: 0;
}
.legal-chap .chap-no {
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -.04em;
  line-height: 1.15;
}
.legal-chap h2 {
  font-size: 22px;
  line-height: 1.25;
}
.legal-chap .chap-body {
  grid-column: 2;
}
.legal-chap p,
.legal-chap li {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}
.legal-chap p { margin: 0; }
.legal-chap p + p { margin-top: 12px; }
.legal-chap ul {
  margin: 10px 0 0;
  padding-left: 1.15em;
}
.legal-chap li + li { margin-top: 8px; }

.legal-callout {
  margin-top: 16px;
  padding: 16px 18px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface) 70%, white);
  border: 1px solid var(--line-soft);
}
.legal-callout strong {
  display: block;
  margin-bottom: 4px;
  font-size: 13px;
}
.legal-callout p {
  margin: 0;
  font-size: 14px;
}
.legal-callout a {
  color: var(--accent-dark);
  font-weight: 600;
}
.legal-callout a:hover { text-decoration: underline; }

.legal-related {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}
.legal-related a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--surface) 88%, white);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}
.legal-related a:hover {
  border-color: var(--ink);
  transform: translateY(-2px);
}
.legal-related span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}
.legal-related strong {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
}

@media (max-width: 900px) {
  .legal-doc,
  .contact-desk,
  .contact-split,
  .contact-cases,
  .contact-facts,
  .legal-related {
    grid-template-columns: 1fr;
  }
  .contact-desk-mail { border-left: 0; border-top: 1px solid var(--line-soft); }
  .contact-cases { grid-template-columns: 1fr 1fr; }
  .legal-toc {
    position: static;
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .legal-toc ol {
    display: flex;
    gap: 8px;
    border-left: 0;
  }
  .legal-toc a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 0;
    padding: 8px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    white-space: nowrap;
  }
  .legal-toc a:hover,
  .legal-toc a:focus-visible { border-color: var(--ink); }
}

@media (max-width: 820px) {
  .legal-masthead-inner { padding: 28px 0 22px; }
  .legal-lead { max-width: none; font-size: 15px; }
  .legal-switch { width: 100%; }
  .legal-switch a { flex: 1 1 auto; justify-content: center; padding: 0 10px; }
  .legal-page { padding-top: 24px; }
  .contact-desk-copy,
  .contact-desk-mail { padding: 22px; }
  .contact-facts article { padding: 16px 18px; }
  .legal-chap {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 24px 0;
  }
  .legal-chap .chap-body { grid-column: 1; }
  .legal-related { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .contact-cases { grid-template-columns: 1fr; }
  .contact-actions .btn { flex: 1; }
}