.page-privacy {
  --privacy-rail-w: 236px;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 8vw, 100px);
}

.page-privacy .privacy-wrap {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* 面包屑 */
.page-privacy .privacy-crumbs {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-privacy .privacy-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--steel);
}

.page-privacy .privacy-crumbs li + li::before {
  content: "/";
  margin: 0 8px;
  color: rgba(143, 163, 184, 0.5);
}

.page-privacy .privacy-crumbs a {
  color: var(--steel-bright);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .privacy-crumbs a:hover,
.page-privacy .privacy-crumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-crumbs [aria-current="page"] {
  color: var(--paper);
}

/* 首屏 */
.page-privacy .privacy-hero {
  padding-top: clamp(18px, 3vw, 34px);
}

.page-privacy .privacy-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-kicker::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--orange);
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.6vw, 62px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--paper-hi);
}

.page-privacy .privacy-lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 60ch;
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--steel-bright);
}

/* 题图 */
.page-privacy .privacy-figure {
  margin: clamp(22px, 3.5vw, 36px) 0 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--ink-800);
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-privacy .privacy-figure figcaption {
  padding: 10px 16px;
  border-top: 1px solid var(--line-dark);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--steel);
}

/* 主体布局 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-privacy .privacy-rail {
  min-width: 0;
}

.page-privacy .privacy-rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-privacy .privacy-rail-list {
  display: flex;
  flex-direction: row;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .privacy-rail-list li {
  flex: 0 0 auto;
}

.page-privacy .privacy-rail-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 9px 14px;
  border-bottom: 2px solid var(--line-dark);
  border-radius: 10px 10px 0 0;
  white-space: nowrap;
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  color: var(--steel-bright);
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-privacy .privacy-rail-list a .mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--orange);
}

.page-privacy .privacy-rail-list a:hover,
.page-privacy .privacy-rail-list a:focus-visible {
  color: var(--paper-hi);
  border-bottom-color: var(--cyan);
  background: rgba(53, 242, 208, 0.08);
}

.page-privacy .privacy-rail-list a[aria-current="true"] {
  color: var(--paper-hi);
  border-bottom-color: var(--cyan);
  background: rgba(53, 242, 208, 0.12);
}

.page-privacy .privacy-rail-note {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--steel);
}

/* 条款画板 */
.page-privacy .privacy-panels {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 20px);
  min-width: 0;
}

.page-privacy .privacy-panel {
  background: var(--paper);
  color: var(--ink-body);
  border: 1px solid rgba(26, 23, 20, 0.1);
  border-radius: var(--radius-panel);
  padding: clamp(20px, 3vw, 36px);
  scroll-margin-top: 96px;
}

.page-privacy .privacy-panel-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--orange);
}

.page-privacy .privacy-panel h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--ink-body);
}

.page-privacy .privacy-panel p {
  margin: 12px 0 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-body-soft);
}

.page-privacy .privacy-panel strong {
  color: var(--ink-body);
  font-weight: 600;
}

/* 信息分类 */
.page-privacy .privacy-facts {
  margin: 16px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-paper);
}

.page-privacy .privacy-facts > div {
  display: grid;
  gap: 4px 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-paper);
}

.page-privacy .privacy-facts dt {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.4;
  color: var(--ink-body);
}

.page-privacy .privacy-facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-body-soft);
}

/* 用途列表 */
.page-privacy .privacy-uses {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-uses li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.74;
  color: var(--ink-body-soft);
}

.page-privacy .privacy-uses li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 12px;
  height: 2px;
  background: var(--orange);
}

/* 权利卡片 */
.page-privacy .privacy-rights {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-right {
  margin: 0;
  padding: 12px 16px;
  background: var(--paper-hi);
  border: 1px solid var(--line-paper);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius-soft);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-privacy .privacy-right:hover {
  transform: translateY(-2px);
  border-color: rgba(26, 23, 20, 0.26);
  border-left-color: var(--alert);
}

.page-privacy .privacy-right summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 28px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.45;
  color: var(--ink-body);
}

.page-privacy .privacy-right summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-right summary::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--orange);
}

.page-privacy .privacy-right[open] summary::after {
  content: "–";
}

.page-privacy .privacy-right p {
  margin: 8px 0 0;
  max-width: none;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--ink-body-soft);
}

/* 联系方式块 */
.page-privacy .privacy-contact {
  margin: 18px 0 0;
  padding: 16px 18px;
  border-radius: var(--radius-soft);
  background: var(--ink-800);
  color: var(--paper);
}

.page-privacy .privacy-contact p {
  margin: 0;
  max-width: none;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--steel-bright);
}

.page-privacy .privacy-contact .privacy-contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-privacy .privacy-contact .privacy-mail {
  margin: 8px 0 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(15px, 2.6vw, 21px);
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--cyan);
  word-break: break-all;
}

/* 页内跳转按钮 */
.page-privacy .privacy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-privacy .privacy-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid rgba(26, 23, 20, 0.24);
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-body);
  text-decoration: none;
  transition: background-color 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-privacy .privacy-link:hover,
.page-privacy .privacy-link:focus-visible {
  background: var(--ink-body);
  border-color: var(--ink-body);
  color: var(--paper-hi);
}

.page-privacy .privacy-footer-nav {
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-paper);
}

.page-privacy .privacy-footer-nav .privacy-toplink {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--ink-body);
  text-decoration: none;
  border-bottom: 1px solid var(--orange);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .privacy-footer-nav .privacy-toplink:hover,
.page-privacy .privacy-footer-nav .privacy-toplink:focus-visible {
  color: var(--alert);
  border-bottom-color: var(--alert);
}

.page-privacy :focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* 桌面端：左侧固定索引轨道 */
@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-rail-w) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: clamp(84px, 8vw, 108px);
    align-self: start;
    padding-top: 4px;
  }

  .page-privacy .privacy-rail-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-rail-list a {
    border-bottom: 0;
    border-left: 2px solid var(--line-dark);
    border-radius: 0 var(--radius-soft) var(--radius-soft) 0;
    padding: 10px 12px 10px 14px;
  }

  .page-privacy .privacy-rail-list a:hover,
  .page-privacy .privacy-rail-list a:focus-visible,
  .page-privacy .privacy-rail-list a[aria-current="true"] {
    border-bottom: 0;
    border-left-color: var(--cyan);
  }

  .page-privacy .privacy-facts > div {
    grid-template-columns: 172px minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-rights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-privacy {
    --privacy-rail-w: 256px;
  }

  .page-privacy .privacy-rights {
    gap: 12px;
  }
}

/* 打印：奶油纸面直出，隐藏索引与题图 */
@media print {
  .page-privacy {
    background: #ffffff;
    color: #000000;
    padding-bottom: 0;
  }

  .page-privacy .privacy-crumbs,
  .page-privacy .privacy-rail,
  .page-privacy .privacy-figure,
  .page-privacy .privacy-links,
  .page-privacy .privacy-footer-nav {
    display: none;
  }

  .page-privacy .privacy-layout {
    display: block;
    margin-top: 0;
  }

  .page-privacy .privacy-hero h1,
  .page-privacy .privacy-lede {
    color: #000000;
  }

  .page-privacy .privacy-panel {
    background: #ffffff;
    border: 1px solid #cccccc;
    border-radius: 0;
    padding: 14px 16px;
    margin-bottom: 12px;
    break-inside: avoid;
  }

  .page-privacy .privacy-right {
    background: #ffffff;
    break-inside: avoid;
  }
}