.page-privacy {
  --privacy-accent: var(--c-clay);
  --privacy-doc-max: 760px;
  --privacy-body: rgba(241, 237, 228, 0.84);
}

/* ---------- 头部 ---------- */
.page-privacy .privacy-hero {
  padding: clamp(32px, 5.5vw, 68px) 0 clamp(24px, 3.5vw, 40px);
}

.page-privacy .privacy-hero h1 {
  margin: 18px 0 0;
  max-width: 20ch;
  font-family: var(--font-sans);
  font-size: clamp(32px, 5.4vw, 62px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.025em;
  color: var(--c-paper);
}

.page-privacy .privacy-hero .lede {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--privacy-body);
}

.page-privacy .privacy-hero__media {
  margin: clamp(24px, 4vw, 40px) 0 0;
  overflow: hidden;
  border: 1px solid var(--c-line);
  border-radius: var(--r-xl);
  background: var(--c-slate);
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-layout {
  display: block;
  padding: clamp(44px, 6.5vw, 88px) 0 clamp(64px, 9vw, 120px);
}

@media (min-width: 1024px) {
  .page-privacy .privacy-layout {
    display: grid;
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(40px, 6vw, 88px);
    align-items: start;
  }
}

/* ---------- 编号索引 ---------- */
.page-privacy .privacy-index {
  margin: 0 0 40px;
}

@media (min-width: 1024px) {
  .page-privacy .privacy-index {
    position: sticky;
    top: calc(var(--top-h) + 32px);
    margin-bottom: 0;
  }
}

.page-privacy .privacy-index__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-fog);
}

.page-privacy .privacy-index__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

@media (min-width: 1024px) {
  .page-privacy .privacy-index__list {
    display: block;
    padding: 0;
    overflow: visible;
  }
}

.page-privacy .privacy-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--c-fog);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--ease), border-color var(--ease), background-color var(--ease), transform var(--ease);
}

@media (min-width: 1024px) {
  .page-privacy .privacy-index__link {
    padding: 9px 0 9px 15px;
    border: none;
    border-left: 2px solid var(--c-line);
    border-radius: 0;
    white-space: normal;
  }
}

.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--c-paper);
  border-color: var(--privacy-accent);
  background: rgba(210, 118, 75, 0.09);
  transform: translateX(2px);
}

.page-privacy .privacy-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--privacy-accent);
}

/* ---------- 文档正文 ---------- */
.page-privacy .privacy-doc {
  max-width: var(--privacy-doc-max);
}

.page-privacy .doc-section {
  padding-bottom: clamp(36px, 5vw, 64px);
  margin-bottom: clamp(36px, 5vw, 64px);
  border-bottom: 1px solid var(--c-line);
  scroll-margin-top: calc(var(--top-h) + 24px);
}

.page-privacy .doc-section:last-of-type {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: none;
}

.page-privacy .doc-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.page-privacy .doc-section__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--privacy-accent);
}

.page-privacy .doc-section h2 {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 29px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-privacy .doc-section > p {
  max-width: 62ch;
  margin: 0 0 18px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--privacy-body);
}

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

.page-privacy .privacy-doc a {
  color: var(--c-paper);
  text-decoration: underline;
  text-decoration-color: var(--c-line);
  text-underline-offset: 4px;
  transition: color var(--ease), text-decoration-color var(--ease);
}

.page-privacy .privacy-doc a:hover,
.page-privacy .privacy-doc a:focus-visible {
  color: var(--privacy-accent);
  text-decoration-color: var(--privacy-accent);
}

/* ---------- 场景信息条 ---------- */
.page-privacy .fact-list {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .fact-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 18px 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--c-slate);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--privacy-body);
  transition: border-color var(--ease), transform var(--ease);
}

@media (min-width: 640px) {
  .page-privacy .fact-list li {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

.page-privacy .fact-list li:hover {
  border-color: var(--privacy-accent);
  transform: translateY(-2px);
}

.page-privacy .fact-list__key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--c-moss-soft);
}

/* ---------- 用途列表 ---------- */
.page-privacy .use-list {
  margin: 22px 0 0;
  border-top: 1px solid var(--c-line);
}

.page-privacy .use-list__row {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--c-line);
  transition: padding-left var(--ease), border-color var(--ease);
}

@media (min-width: 720px) {
  .page-privacy .use-list__row {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 26px;
    align-items: baseline;
  }
}

.page-privacy .use-list__row:hover {
  padding-left: 8px;
  border-color: var(--privacy-accent);
}

.page-privacy .use-list dt {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-privacy .use-list dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--privacy-body);
}

/* ---------- 设备数据板 ---------- */
.page-privacy .device-board {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  margin: 28px 0 0;
}

.page-privacy .device-board__item {
  padding: 20px 18px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(35, 40, 48, 1), rgba(18, 21, 26, 0.9));
  transition: border-color var(--ease), transform var(--ease);
}

.page-privacy .device-board__item:hover {
  border-color: var(--privacy-accent);
  transform: translateY(-2px);
}

.page-privacy .device-board__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--c-paper);
}

.page-privacy .device-board__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-fog);
}

/* ---------- 操作步骤 ---------- */
.page-privacy .steps {
  display: grid;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: privacy-step;
}

.page-privacy .steps li {
  position: relative;
  padding: 20px 22px 20px 64px;
  border: 1px solid rgba(210, 118, 75, 0.32);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, rgba(210, 118, 75, 0.15), rgba(210, 118, 75, 0.03));
  transition: transform var(--ease), border-color var(--ease), background-color var(--ease);
}

.page-privacy .steps li::before {
  counter-increment: privacy-step;
  content: counter(privacy-step, decimal-leading-zero);
  position: absolute;
  left: 22px;
  top: 21px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--privacy-accent);
}

.page-privacy .steps li:hover {
  transform: translateY(-2px);
  border-color: var(--c-clay);
  background-color: rgba(210, 118, 75, 0.08);
}

.page-privacy .steps strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-privacy .steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--privacy-body);
}

/* ---------- 联系条 ---------- */
.page-privacy .privacy-contact {
  display: grid;
  gap: 12px;
  margin: 26px 0;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-xl);
  background: var(--c-slate);
}

.page-privacy .privacy-contact__row {
  display: grid;
  gap: 8px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid rgba(60, 68, 78, 0.7);
}

.page-privacy .privacy-contact__row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

@media (min-width: 720px) {
  .page-privacy .privacy-contact__row {
    grid-template-columns: 96px minmax(0, 1fr) auto;
    gap: 18px;
  }
}

.page-privacy .privacy-contact__key {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-fog);
}

.page-privacy .privacy-contact__val {
  overflow-wrap: anywhere;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.01em;
  color: var(--c-paper);
}

.page-privacy .privacy-contact .copy-btn {
  justify-self: start;
  padding: 7px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  background: transparent;
  font-family: inherit;
  font-size: 13px;
  color: var(--c-fog);
  cursor: pointer;
  transition: color var(--ease), border-color var(--ease), background-color var(--ease);
}

.page-privacy .privacy-contact .copy-btn:hover,
.page-privacy .privacy-contact .copy-btn:focus-visible {
  color: var(--c-paper);
  border-color: var(--privacy-accent);
  background: rgba(210, 118, 75, 0.12);
}

.page-privacy .privacy-contact .copy-btn[data-copied] {
  color: var(--c-paper);
  border-color: var(--privacy-accent);
  background: rgba(210, 118, 75, 0.22);
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__link,
  .page-privacy .fact-list li,
  .page-privacy .use-list__row,
  .page-privacy .device-board__item,
  .page-privacy .steps li,
  .page-privacy .privacy-contact .copy-btn {
    transition: none;
    transform: none;
  }
}