.page-privacy {
  --privacy-aside: 240px;
  --privacy-measure: 72ch;
  padding-bottom: clamp(56px, 9vw, 110px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding: clamp(20px, 4vw, 46px) 0 clamp(22px, 3.6vw, 38px);
  max-width: 880px;
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-title);
  font-size: clamp(2.1rem, 6.4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--read);
  margin: 18px 0 16px;
}

.page-privacy .privacy-hero__lede {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--mist);
  max-width: 64ch;
  margin: 0;
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
}

.page-privacy .privacy-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.page-privacy .meta-k {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .meta-v {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--read);
}

.page-privacy .meta-link {
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
  transition: border-color var(--t), color var(--t);
}

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

/* ---------- 顶部氛围图 ---------- */
.page-privacy .privacy-visual {
  margin: 0 0 clamp(34px, 5.5vw, 64px);
}

.page-privacy .privacy-visual .media__caption {
  color: var(--mist);
  font-size: 12.5px;
  letter-spacing: 0.02em;
}

/* ---------- 主栅格：正文 + 条款索引 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 5vw, 56px);
}

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

/* ---------- 条款区块 ---------- */
.page-privacy .privacy-block {
  scroll-margin-top: 120px;
  padding-bottom: clamp(38px, 5.4vw, 62px);
}

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

.page-privacy .privacy-block__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--cyan);
  margin: 0 0 8px;
}

.page-privacy .privacy-block__title {
  font-family: var(--font-title);
  font-size: clamp(1.35rem, 3.1vw, 1.95rem);
  line-height: 1.15;
  letter-spacing: -0.005em;
  color: var(--read);
  margin: 0 0 18px;
}

/* 摘要卡：奶油纸色，可点击收起 / 展开条款全文 */
.page-privacy .clause {
  margin: 0;
}

.page-privacy .clause__summary {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  cursor: pointer;
  list-style: none;
  background: var(--paper);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 15px 18px;
  font-size: 14.5px;
  line-height: 1.65;
  box-shadow: var(--shadow-1);
  transition: transform var(--t), box-shadow var(--t);
}

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

.page-privacy .clause__summary::marker {
  content: "";
}

.page-privacy .clause__summary::after {
  content: "展开";
  flex: 0 0 auto;
  margin-left: auto;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(12, 31, 26, 0.55);
  padding-top: 2px;
  white-space: nowrap;
}

.page-privacy .clause[open] > .clause__summary::after {
  content: "收起";
}

.page-privacy .clause[open] > .clause__summary {
  box-shadow: var(--shadow-2);
}

.page-privacy .clause__summary:hover {
  transform: translateY(-1px);
}

.page-privacy .clause__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-privacy .clause__body {
  padding: clamp(20px, 3vw, 28px) 0 0;
}

.page-privacy .clause-item {
  padding-left: 18px;
  border-left: 1px solid var(--line);
  margin-bottom: 22px;
}

.page-privacy .clause-item:last-child {
  margin-bottom: 0;
}

.page-privacy .clause-item__name {
  display: block;
  font-family: var(--font-title);
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--read);
  margin-bottom: 7px;
}

.page-privacy .clause-item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(234, 244, 239, 0.84);
  max-width: var(--privacy-measure);
}

.page-privacy .clause-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--t);
}

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

/* ---------- 右侧条款索引 ---------- */
.page-privacy .privacy-index {
  min-width: 0;
}

.page-privacy .privacy-index__title {
  margin: 0 0 16px;
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-index .toc__link {
  display: block;
  padding: 9px 0 9px 15px;
  border-left: 2px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color var(--t), border-color var(--t), background-color var(--t);
}

.page-privacy .privacy-index .toc__link:hover,
.page-privacy .privacy-index .toc__link:focus-visible {
  color: var(--read);
  border-left-color: rgba(63, 230, 200, 0.5);
}

.page-privacy .privacy-index .toc__link[aria-current="true"],
.page-privacy .privacy-index .toc__link[aria-current="page"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(63, 230, 200, 0.06);
}

.page-privacy .privacy-index__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .to-top {
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0.06em;
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) var(--privacy-aside);
    gap: clamp(40px, 4.5vw, 70px);
    align-items: start;
  }

  .page-privacy .privacy-body {
    max-width: var(--privacy-measure);
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 118px;
  }

  .page-privacy .privacy-block__title {
    margin-bottom: 20px;
  }
}

@media (min-width: 1280px) {
  .page-privacy {
    --privacy-aside: 268px;
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 520px) {
  .page-privacy .privacy-hero__meta {
    gap: 8px 22px;
  }

  .page-privacy .clause__summary {
    font-size: 14px;
    padding: 14px 15px;
    gap: 10px;
  }

  .page-privacy .clause__summary::after {
    letter-spacing: 0.06em;
  }

  .page-privacy .clause-item {
    padding-left: 14px;
  }

  .page-privacy .clause-item p {
    font-size: 15px;
  }
}