.page-privacy {
  --privacy-max: 720px;
  --privacy-clause-gap: clamp(48px, 7vw, 88px);
  display: block;
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  background: var(--ink-900);
  color: var(--paper);
  padding: clamp(26px, 5vw, 52px) 0 clamp(72px, 10vw, 130px);
  overflow: hidden;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(40px, 6vw, 84px);
  background: var(--paper);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-privacy .privacy-hero .crumbs {
  color: var(--mist);
}

.page-privacy .privacy-hero .crumbs a {
  color: var(--copper-light);
}

.page-privacy .privacy-hero__inner {
  display: grid;
  gap: clamp(30px, 5vw, 52px);
  margin-top: clamp(22px, 3.4vw, 40px);
}

.page-privacy .privacy-hero__text .eyebrow {
  color: var(--copper-light);
  margin: 0 0 14px;
}

.page-privacy .privacy-hero__text h1 {
  margin: 0 0 clamp(16px, 2vw, 22px);
  font-size: clamp(28px, 6.4vw, 58px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .privacy-hero__text .lede {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--grid);
}

.page-privacy .privacy-hero__media {
  margin: 0;
  position: relative;
}

.page-privacy .privacy-hero__media .media {
  border: 1px solid var(--copper);
  background: var(--ink-700);
}

/* ---------- 主布局 ---------- */

.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  padding-bottom: clamp(60px, 9vw, 120px);
}

/* ---------- 目录 ---------- */

.page-privacy .privacy-toc {
  border-top: 1px solid var(--grid);
  border-bottom: 1px solid var(--grid);
  padding: 16px 0;
}

.page-privacy .privacy-toc__title {
  margin: 0 0 12px;
  color: var(--copper);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 10px 22px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.page-privacy .privacy-toc__list a {
  display: inline-block;
  white-space: nowrap;
  font-size: 14px;
  color: var(--ink-700);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

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

/* ---------- 正文 ---------- */

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

.page-privacy .privacy-intro {
  margin: 0 0 clamp(38px, 6vw, 64px);
  font-family: var(--font-serif);
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.9;
  color: var(--ink-700);
  padding-left: 16px;
  border-left: 2px solid var(--copper);
}

.page-privacy .privacy-clause {
  position: relative;
  padding-bottom: var(--privacy-clause-gap);
  margin-bottom: var(--privacy-clause-gap);
  border-bottom: 1px solid var(--grid);
  scroll-margin-top: calc(var(--topbar-h) + 24px);
}

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

.page-privacy .privacy-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(18px, 2.4vw, 26px);
}

.page-privacy .privacy-clause__no {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--copper);
  transition: color var(--ease);
  flex: 0 0 auto;
}

.page-privacy .privacy-clause.is-active .privacy-clause__no {
  color: var(--signal);
}

.page-privacy .privacy-clause__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.4;
  font-weight: 600;
  color: var(--ink-900);
}

.page-privacy .privacy-clause__body > p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}

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

.page-privacy .privacy-link {
  color: var(--copper);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 信息条目 ---------- */

.page-privacy .privacy-item {
  position: relative;
  padding: 18px 0 18px 20px;
  border-left: 1px solid var(--grid);
}

.page-privacy .privacy-item + .privacy-item {
  margin-top: 8px;
}

.page-privacy .privacy-item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 26px;
  width: 7px;
  height: 7px;
  background: var(--copper);
}

.page-privacy .privacy-item__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink-700);
}

.page-privacy .privacy-item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 重点条款 ---------- */

.page-privacy .privacy-callout {
  margin: 22px 0 0;
  padding: 18px 20px;
  border: 1px solid var(--grid);
  background: var(--white);
  position: relative;
}

.page-privacy .privacy-callout::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--copper);
}

.page-privacy .privacy-callout__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--copper);
}

.page-privacy .privacy-callout p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-700);
}

/* ---------- 键值对照 ---------- */

.page-privacy .privacy-kv {
  margin: 20px 0 0;
  padding: 0;
}

.page-privacy .privacy-kv dt {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-700);
  padding: 14px 0 4px;
  border-top: 1px solid var(--grid);
}

.page-privacy .privacy-kv dd {
  margin: 0;
  padding-bottom: 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 权利清单 ---------- */

.page-privacy .privacy-rights {
  list-style: none;
  margin: 20px 0 22px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-privacy .privacy-rights li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 12px;
  align-items: start;
}

.page-privacy .privacy-rights__mark {
  font-size: 13px;
  color: var(--celadon);
  border: 1px solid var(--celadon);
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.page-privacy .privacy-rights__title {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-700);
}

.page-privacy .privacy-rights li p:last-child {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 联系卡 ---------- */

.page-privacy .privacy-contact {
  display: grid;
  gap: 14px;
  margin: 22px 0;
}

.page-privacy .privacy-contact__card {
  border: 1px solid var(--grid);
  background: var(--white);
  padding: 18px 20px;
}

.page-privacy .privacy-contact__label {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-privacy .privacy-contact__val {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 17px);
  color: var(--ink-900);
  word-break: break-all;
}

.page-privacy .privacy-contact__card .copy-btn {
  font-size: 13px;
  padding: 7px 14px;
  border: 1px solid var(--copper);
  background: transparent;
  color: var(--copper);
  cursor: pointer;
  transition: background var(--ease), color var(--ease);
}

.page-privacy .privacy-contact__card .copy-btn:hover,
.page-privacy .privacy-contact__card .copy-btn:focus-visible {
  background: var(--copper);
  color: var(--white);
}

.page-privacy .privacy-contact__card .copy-btn.is-done {
  border-color: var(--celadon);
  color: var(--celadon);
}

/* ---------- 内链 ---------- */

.page-privacy .privacy-clause__body a {
  color: var(--copper);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-clause__body a:hover,
.page-privacy .privacy-clause__body a:focus-visible {
  color: var(--signal);
}

/* ---------- 桌面端 ---------- */

@media (min-width: 960px) {

  .page-privacy .privacy-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(40px, 5vw, 80px);
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 210px minmax(0, var(--privacy-max));
    gap: clamp(48px, 6vw, 90px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--topbar-h) + 32px);
    border-top: none;
    border-bottom: none;
    border-left: 1px solid var(--grid);
    padding: 0 0 0 18px;
  }

  .page-privacy .privacy-toc__list {
    display: block;
    overflow: visible;
  }

  .page-privacy .privacy-toc__list li + li {
    margin-top: 12px;
  }

  .page-privacy .privacy-toc__list a {
    white-space: normal;
    line-height: 1.5;
  }

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

  .page-privacy .privacy-rights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__list a,
  .page-privacy .privacy-clause__no,
  .page-privacy .privacy-contact__card .copy-btn {
    transition: none;
  }
}
</main>