:root {
  color-scheme: light;
  --ink: #17211b;
  --muted: #667269;
  --paper: #f5f1e8;
  --line: #d9d2c3;
  --accent: #d85c33;
  --accent-soft: #f5dfd3;
  --green: #274f3a;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(39, 79, 58, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(39, 79, 58, .035) 1px, transparent 1px),
    var(--paper);
  background-size: 32px 32px;
  font-family: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", serif;
  line-height: 1.85;
}

a {
  color: inherit;
  text-decoration-color: rgba(216, 92, 51, .65);
  text-underline-offset: .22em;
}

.legal-header {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  padding: 0 clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(23, 33, 27, .12);
  background: rgba(245, 241, 232, .92);
  backdrop-filter: blur(18px);
}

.legal-brand {
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 800;
  text-decoration: none;
}

/* 与主站一致的品牌徽标底座（紫环），见 css/style.css 的 .brand-mark 统一规则 */
.legal-brand img {
  width: 30px;
  height: 30px;
  border: 1px solid rgba(99, 102, 241, .34);
  border-radius: 9px;
  background: rgba(99, 102, 241, .07);
  object-fit: contain;
}

.legal-header nav {
  display: flex;
  gap: clamp(14px, 2vw, 28px);
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
}

.legal-header nav a { text-decoration: none; }
.legal-header nav a:hover { color: var(--accent); }

main {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.legal-hero {
  position: relative;
  min-height: 530px;
  padding: clamp(80px, 11vw, 140px) 0 70px;
  border-bottom: 1px solid var(--line);
}

.legal-hero::after {
  position: absolute;
  right: 2%;
  bottom: 52px;
  width: clamp(150px, 22vw, 280px);
  height: clamp(150px, 22vw, 280px);
  border: 1px solid rgba(216, 92, 51, .38);
  border-radius: 50%;
  box-shadow:
    inset 0 0 0 18px var(--paper),
    inset 0 0 0 19px rgba(216, 92, 51, .2);
  content: "";
}

.legal-eyebrow,
.legal-meta dt,
.legal-index,
aside {
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}

.legal-eyebrow {
  margin: 0 0 24px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(54px, 8vw, 106px);
  font-weight: 700;
  letter-spacing: -.055em;
  line-height: .98;
}

.legal-lead {
  max-width: 680px;
  margin: 40px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
}

.legal-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  max-width: 780px;
  margin: 54px 0 0;
}

.legal-meta div {
  padding-top: 14px;
  border-top: 2px solid var(--ink);
}

.legal-meta dt {
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .08em;
}

.legal-meta dd {
  margin: 4px 0 0;
  font-size: 15px;
}

.legal-layout {
  display: grid;
  grid-template-columns: 190px minmax(0, 760px);
  gap: clamp(42px, 8vw, 110px);
  justify-content: center;
  padding: 76px 0 120px;
}

aside {
  position: sticky;
  top: 100px;
  height: max-content;
  padding-left: 18px;
  border-left: 1px solid var(--line);
  font-size: 13px;
}

aside p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: .16em;
}

aside a {
  display: block;
  margin: 9px 0;
  text-decoration: none;
}

aside a:hover { color: var(--accent); }

.legal-section {
  position: relative;
  margin-bottom: 96px;
  scroll-margin-top: 100px;
}

.legal-index {
  position: absolute;
  top: 8px;
  left: -62px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

h2 {
  margin: 0 0 34px;
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.15;
}

h3 {
  margin: 38px 0 10px;
  color: var(--green);
  font-size: 20px;
}

.legal-section p,
.legal-section li {
  color: #39463e;
  font-size: 16px;
}

.legal-section ul { padding-left: 1.2em; }

.legal-section li {
  margin: 8px 0;
  padding-left: .35em;
}

.legal-section-accent {
  margin-right: -34px;
  margin-left: -34px;
  padding: 42px 34px 50px;
  border: 1px solid #e4c6b5;
  background: rgba(255, 253, 247, .74);
  box-shadow: 10px 12px 0 var(--accent-soft);
}

.legal-callout {
  margin: 0 0 34px;
  padding: 22px 24px;
  border-left: 4px solid var(--accent);
  background: var(--accent-soft);
}

.legal-callout strong {
  color: var(--accent);
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  letter-spacing: .12em;
}

.legal-callout p { margin: 6px 0 0; }

footer {
  display: flex;
  gap: 24px;
  justify-content: center;
  padding: 30px 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 12px;
}

@media (max-width: 760px) {
  .legal-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .legal-header nav {
    max-width: 100%;
    overflow-x: auto;
    white-space: nowrap;
  }

  .legal-hero { min-height: auto; padding-top: 72px; }
  .legal-hero::after { opacity: .28; }
  .legal-meta { grid-template-columns: 1fr; }
  .legal-layout { display: block; padding-top: 48px; }
  aside { display: none; }

  .legal-index {
    position: static;
    display: block;
    margin-bottom: 8px;
  }

  .legal-section-accent {
    margin-right: -12px;
    margin-left: -12px;
    padding-right: 22px;
    padding-left: 22px;
  }

  footer {
    align-items: center;
    flex-direction: column;
    gap: 5px;
  }
}