.page-privacy {
  --doc-measure: 68ch;
  --idx-w: 204px;
}

.page-privacy .doc-anchor {
  display: block;
  height: 0;
  scroll-margin-top: calc(var(--header-h) + 12px);
}

/* ---------- 首屏 ---------- */
.page-privacy .doc-hero {
  padding-top: clamp(24px, 4vw, 46px);
}

.page-privacy .doc-hero .breadcrumbs {
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-privacy .doc-hero .eyebrow {
  margin: 0;
}

.page-privacy .doc-hero h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 6.2vw, 68px);
  line-height: 1.06;
  letter-spacing: 0.07em;
  color: var(--text);
}

.page-privacy .doc-hero__lead {
  max-width: var(--doc-measure);
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  font-size: clamp(15.5px, 1.3vw, 17px);
  line-height: 1.85;
  color: var(--text-muted);
}

.page-privacy .doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 36px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-privacy .doc-meta__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-privacy .doc-meta dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--text-muted);
}

.page-privacy .doc-meta dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--text);
}

.page-privacy .doc-hero__media {
  margin: clamp(30px, 5vw, 58px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink-800);
}

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

/* ---------- 两栏文档骨架 ---------- */
.page-privacy .doc-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  padding-top: clamp(40px, 6vw, 76px);
  padding-bottom: clamp(56px, 8vw, 118px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-privacy .doc-body {
    grid-template-columns: var(--idx-w) minmax(0, 1fr);
    gap: clamp(38px, 5vw, 72px);
  }
}

/* ---------- 章节索引 ---------- */
.page-privacy .doc-index {
  min-width: 0;
}

@media (min-width: 900px) {
  .page-privacy .doc-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }
}

.page-privacy .doc-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--text-muted);
}

.page-privacy .doc-index ol {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
}

.page-privacy .doc-index ol::-webkit-scrollbar {
  display: none;
}

@media (min-width: 900px) {
  .page-privacy .doc-index ol {
    flex-direction: column;
    gap: 0;
    padding: 0;
    overflow: visible;
  }
}

.page-privacy .doc-index__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--text-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

@media (min-width: 900px) {
  .page-privacy .doc-index__link {
    white-space: normal;
    padding: 9px 0 9px 15px;
    border: 0;
    border-left: 2px solid var(--line);
  }
}

.page-privacy .doc-index__link:hover {
  color: var(--text);
  border-color: var(--cyan);
  background: var(--ink-800);
}

@media (min-width: 900px) {
  .page-privacy .doc-index__link:hover {
    background: transparent;
  }
}

.page-privacy .doc-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

/* ---------- 正文主体 ---------- */
.page-privacy .doc-main {
  min-width: 0;
  max-width: var(--doc-measure);
}

.page-privacy .doc-section {
  padding-block: clamp(28px, 4.4vw, 46px);
  border-top: 1px solid var(--line);
}

.page-privacy .doc-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .doc-section__title {
  display: flex;
  align-items: baseline;
  gap: 13px;
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 2.5vw, 27px);
  line-height: 1.32;
  letter-spacing: 0.035em;
  color: var(--text);
  scroll-margin-top: calc(var(--header-h) + 26px);
}

.page-privacy .doc-section__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-privacy .doc-section p {
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.82;
  color: var(--text-muted);
}

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

/* ---------- 信息分类 ---------- */
.page-privacy .doc-group {
  margin: 0 0 20px;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.page-privacy .doc-group:last-child {
  margin-bottom: 0;
}

.page-privacy .doc-group h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 7px;
  font-size: 15.5px;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-privacy .doc-group h3::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--line);
}

.page-privacy .doc-group--cyan h3::before {
  background: var(--cyan);
}

.page-privacy .doc-group--orange h3::before {
  background: var(--orange);
}

.page-privacy .doc-group--violet h3::before {
  background: var(--violet);
}

.page-privacy .doc-group p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
}

/* ---------- 条目列表 ---------- */
.page-privacy .doc-list {
  display: grid;
  gap: 11px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-privacy .doc-list:last-child {
  margin-bottom: 0;
}

.page-privacy .doc-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-privacy .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.86em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 三步登录 ---------- */
.page-privacy .doc-steps {
  display: grid;
  gap: 14px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  counter-reset: docstep;
}

@media (min-width: 620px) {
  .page-privacy .doc-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

.page-privacy .doc-steps li {
  counter-increment: docstep;
  min-width: 0;
  padding-top: 13px;
  border-top: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.72;
  color: var(--text-muted);
}

.page-privacy .doc-steps li::before {
  content: "0" counter(docstep);
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

/* ---------- 提示条 ---------- */
.page-privacy .doc-note {
  margin: 0 0 16px;
  padding: 14px 17px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange);
  background: var(--ink-800);
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-muted);
}

.page-privacy .doc-note:last-child {
  margin-bottom: 0;
}

/* ---------- 联系方式 ---------- */
.page-privacy .doc-contact {
  display: grid;
  gap: 16px 24px;
  margin: 18px 0 0;
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

@media (min-width: 620px) {
  .page-privacy .doc-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-privacy .doc-contact__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-privacy .doc-contact__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.22em;
  color: var(--text-muted);
}

.page-privacy .doc-contact__value {
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  word-break: break-word;
}

.page-privacy .doc-contact__value a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--ease);
}

.page-privacy .doc-contact__value a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 结尾 ---------- */
.page-privacy .doc-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 28px;
  margin-top: clamp(30px, 4.5vw, 52px);
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-privacy .doc-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  font-size: 14.5px;
}

.page-privacy .doc-top-link {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .doc-top-link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 640px) {
  .page-privacy .doc-hero h1 {
    letter-spacing: 0.035em;
  }

  .page-privacy .doc-section p,
  .page-privacy .doc-group p {
    font-size: 15.5px;
  }

  .page-privacy .doc-list li {
    font-size: 15px;
  }

  .page-privacy .doc-section__title {
    gap: 10px;
    letter-spacing: 0.02em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .doc-index__link,
  .page-privacy .doc-top-link,
  .page-privacy .doc-contact__value a {
    transition: none;
  }
}