.page-privacy {
  --privacy-measure: 43rem;
  --privacy-gap: clamp(48px, 7vw, 92px);
}

.page-privacy .privacy-topline {
  padding-top: clamp(16px, 3vw, 30px);
}

/* ---- 首屏 ---- */
.page-privacy .privacy-hero {
  padding: clamp(22px, 4vw, 46px) 0 clamp(38px, 6vw, 70px);
}

.page-privacy .privacy-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  align-items: end;
}

.page-privacy .privacy-hero h1 {
  margin: 12px 0 18px;
  max-width: 14em;
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--slate-100);
}

.page-privacy .privacy-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--slate-350);
}

.page-privacy .privacy-hero__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-lg);
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.page-privacy .privacy-hero__media .media__caption {
  position: relative;
  z-index: 1;
}

@media (min-width: 960px) {
  .page-privacy .privacy-hero__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 64px);
  }
}

/* ---- 章节锚点条 ---- */
.page-privacy .privacy-index {
  position: sticky;
  top: 0;
  z-index: 12;
  background: rgba(16, 24, 56, 0.94);
  border-top: 1px solid var(--line-600);
  border-bottom: 1px solid var(--line-600);
  backdrop-filter: blur(10px);
}

.page-privacy .privacy-index__track {
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .privacy-index__track::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  white-space: nowrap;
}

.page-privacy .privacy-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--slate-350);
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease),
    background-color 180ms var(--ease);
}

.page-privacy .privacy-index__link .mono {
  font-size: 12px;
  color: var(--cyan-400);
}

.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--slate-100);
  border-color: var(--cyan-400);
  background: rgba(43, 232, 210, 0.08);
}

/* ---- 章节骨架 ---- */
.page-privacy .privacy-section {
  padding: var(--privacy-gap) 0;
  border-top: 1px solid var(--line-600);
  scroll-margin-top: 96px;
}

.page-privacy .privacy-section__inner {
  display: grid;
  gap: 16px;
}

.page-privacy .privacy-section__num {
  display: block;
  font-size: clamp(38px, 6vw, 64px);
  font-weight: 200;
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(43, 232, 210, 0.3);
}

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

.page-privacy .privacy-section__title {
  margin: 0 0 22px;
  max-width: 20em;
  font-size: clamp(23px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--slate-100);
}

.page-privacy .privacy-section__lead {
  margin: 0 0 26px;
  max-width: var(--privacy-measure);
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate-350);
}

@media (min-width: 900px) {
  .page-privacy .privacy-section__inner {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }
  .page-privacy .privacy-section__aside {
    padding-top: 6px;
  }
}

/* ---- 正文长文 ---- */
.page-privacy .privacy-prose {
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-prose p {
  margin: 0 0 28px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--slate-100);
}

.page-privacy .privacy-prose p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-prose a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-privacy .privacy-prose a:hover {
  color: var(--slate-100);
}

/* ---- 关键条款竖线 ---- */
.page-privacy .privacy-note {
  max-width: var(--privacy-measure);
  margin: 0 0 26px;
  padding: 2px 0 2px 20px;
  border-left: 3px solid var(--cyan-400);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--slate-100);
}

/* ---- 三类信息卡 ---- */
.page-privacy .privacy-facts {
  display: grid;
  gap: 14px;
  max-width: var(--privacy-measure);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-fact {
  position: relative;
  padding: 20px 22px 20px 24px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-md);
  background: var(--indigo-700);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-privacy .privacy-fact::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--cyan-400), rgba(43, 232, 210, 0));
}

.page-privacy .privacy-fact:hover {
  border-color: var(--cyan-400);
  transform: translateY(-2px);
}

.page-privacy .privacy-fact__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--slate-100);
}

.page-privacy .privacy-fact__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-350);
}

/* ---- 用途对照 ---- */
.page-privacy .privacy-uses {
  max-width: var(--privacy-measure);
  margin: 0 0 26px;
}

.page-privacy .privacy-use {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-600);
}

.page-privacy .privacy-use:first-child {
  padding-top: 0;
}

.page-privacy .privacy-use:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .privacy-use dt {
  margin-bottom: 4px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--slate-100);
}

.page-privacy .privacy-use dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-350);
}

@media (min-width: 760px) {
  .page-privacy .privacy-use {
    display: grid;
    grid-template-columns: 11rem minmax(0, 1fr);
    gap: 4px 24px;
    align-items: start;
  }
  .page-privacy .privacy-use dt {
    margin-bottom: 0;
    padding-top: 2px;
  }
}

/* ---- 保护措施列表 ---- */
.page-privacy .privacy-guards {
  display: grid;
  gap: 12px;
  max-width: var(--privacy-measure);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-guards li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-350);
}

.page-privacy .privacy-guards li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan-400);
  transform: rotate(45deg);
}

/* ---- 操作入口：浅色反向区块 ---- */
.page-privacy .privacy-actions {
  max-width: var(--privacy-measure);
  padding: 10px;
  border-radius: var(--radius-lg);
  background: var(--paper-50);
  box-shadow: 0 28px 70px -36px rgba(108, 92, 231, 0.85);
}

.page-privacy .privacy-action {
  border-bottom: 1px solid rgba(16, 24, 56, 0.1);
  border-radius: var(--radius-md);
}

.page-privacy .privacy-action:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-action summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 14px;
  border-radius: var(--radius-md);
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--indigo-850);
  transition: background-color 180ms var(--ease);
}

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

.page-privacy .privacy-action summary:hover {
  background: rgba(16, 24, 56, 0.06);
}

.page-privacy .privacy-action summary:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-privacy .privacy-action summary::after {
  content: "+";
  flex: none;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--indigo-850);
  color: var(--paper-50);
  font-size: 16px;
  font-weight: 500;
  line-height: 1;
  transition: background-color 180ms var(--ease), color 180ms var(--ease);
}

.page-privacy .privacy-action[open] summary::after {
  content: "−";
  background: var(--cyan-400);
  color: var(--ink-950);
}

.page-privacy .privacy-action__body {
  padding: 0 14px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: #2a3358;
}

.page-privacy .privacy-action__body p {
  margin: 0;
  max-width: 40rem;
}

/* ---- 页脚注 ---- */
.page-privacy .privacy-footline {
  margin: 30px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--slate-350);
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-fact,
  .page-privacy .privacy-index__link,
  .page-privacy .privacy-action summary,
  .page-privacy .privacy-action summary::after {
    transition: none;
  }
  .page-privacy .privacy-fact:hover {
    transform: none;
  }
}