.page-privacy {
  background: var(--frost);
  color: var(--brown-black);
}

.page-privacy .breadcrumb {
  padding-top: clamp(16px, 2.4vw, 28px);
}

/* ---------- 题头 ---------- */

.page-privacy .privacy-hero {
  padding-top: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(36px, 5.5vw, 72px);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: 32px;
}

.page-privacy .privacy-hero__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ice-blue);
}

.page-privacy .privacy-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 5vw, 54px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink-ice);
}

.page-privacy .privacy-hero__text {
  margin: 20px 0 0;
  max-width: 50ch;
  font-size: 16px;
  line-height: 1.8;
}

.page-privacy .privacy-hero__figure {
  margin: 0;
  border-top: 2px solid var(--ice-blue);
}

.page-privacy .privacy-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-privacy .privacy-hero__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: end;
  }
}

/* ---------- 条款骨架 ---------- */

.page-privacy .privacy-terms {
  padding-bottom: clamp(48px, 6vw, 88px);
}

.page-privacy .privacy-shell {
  display: grid;
  gap: 28px;
}

.page-privacy [data-spy-section] {
  scroll-margin-top: 96px;
}

/* ---------- 左侧条款索引 ---------- */

.page-privacy .privacy-rail__cap {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-privacy .privacy-rail__item {
  flex: 0 0 auto;
}

.page-privacy .privacy-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 12px;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--cream);
  color: var(--ice-blue);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.page-privacy .privacy-rail__link:hover {
  border-color: var(--ice-blue);
}

.page-privacy .privacy-rail__link[aria-current="true"] {
  background: var(--crystal);
  border-color: var(--ice-blue);
  color: var(--ink-ice);
}

.page-privacy .privacy-rail__num {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-privacy .privacy-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 80px);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 96px;
  }

  .page-privacy .privacy-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-top: var(--line);
  }

  .page-privacy .privacy-rail__link {
    display: flex;
    width: 100%;
    padding: 11px 0 11px 14px;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
    color: var(--mist);
    font-size: 14px;
  }

  .page-privacy .privacy-rail__link:hover {
    color: var(--ink-ice);
    border-left-color: var(--crystal);
  }

  .page-privacy .privacy-rail__link[aria-current="true"] {
    background: transparent;
    border-left-color: var(--ice-blue);
    color: var(--ink-ice);
    font-weight: 600;
  }
}

/* ---------- 条款条目 ---------- */

.page-privacy .privacy-clause {
  padding-block: clamp(28px, 3.6vw, 44px);
  border-top: var(--line);
}

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

.page-privacy .privacy-clause__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-privacy .privacy-clause__title {
  margin: 8px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.26;
  color: var(--ice-blue);
}

.page-privacy .privacy-clause__lead {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
}

.page-privacy .privacy-clause > p {
  max-width: 66ch;
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
}

.page-privacy .privacy-clause a {
  color: var(--ice-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-clause a:hover {
  color: var(--ink-ice);
}

/* ---------- 双栏说明 ---------- */

.page-privacy .privacy-split {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.page-privacy .privacy-split__cap {
  position: relative;
  margin: 0 0 12px;
  padding: 0 0 8px 18px;
  border-bottom: var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ice-blue);
}

.page-privacy .privacy-split__cap::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 12px;
  height: 1px;
  background: var(--gold);
}

@media (min-width: 720px) {
  .page-privacy .privacy-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px;
  }
}

/* ---------- 列表 ---------- */

.page-privacy .privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-list__item {
  position: relative;
  padding-left: 18px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.8;
}

.page-privacy .privacy-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 9px;
  height: 1px;
  background: var(--ice-blue);
}

.page-privacy .privacy-list--wide {
  margin-top: 18px;
}

.page-privacy .privacy-list--wide .privacy-list__item {
  max-width: 66ch;
  font-size: 16px;
}

/* ---------- 强调与注释 ---------- */

.page-privacy .privacy-mark {
  margin-top: 22px;
  padding: 14px 18px;
  max-width: 66ch;
  background: rgba(188, 215, 230, 0.4);
  border-left: 2px solid var(--ice-blue);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-ice);
}

.page-privacy .privacy-note {
  margin-top: 20px;
  padding-left: 14px;
  max-width: 64ch;
  border-left: 2px solid var(--gold);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-ice);
}

/* ---------- 保留期限 ---------- */

.page-privacy .privacy-retention {
  margin-top: 20px;
  border-top: var(--line);
}

.page-privacy .privacy-retention__row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: var(--line);
}

.page-privacy .privacy-retention__label {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-privacy .privacy-retention__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

@media (min-width: 640px) {
  .page-privacy .privacy-retention__row {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

/* ---------- 权利 ---------- */

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

.page-privacy .privacy-rights__item {
  padding-top: 14px;
  border-top: 2px solid var(--ice-blue);
}

.page-privacy .privacy-rights__title {
  margin: 0 0 6px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink-ice);
}

.page-privacy .privacy-rights__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
}

@media (min-width: 720px) {
  .page-privacy .privacy-rights {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

/* ---------- 版本展开 ---------- */

.page-privacy .privacy-version {
  margin-top: 28px;
  max-width: 66ch;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--cream);
}

.page-privacy .privacy-version__summary {
  position: relative;
  cursor: pointer;
  padding: 14px 44px 14px 18px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ice-blue);
  list-style: none;
}

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

.page-privacy .privacy-version__summary::after {
  content: "＋";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--mist);
}

.page-privacy .privacy-version[open] .privacy-version__summary::after {
  content: "－";
}

.page-privacy .privacy-version__list {
  list-style: none;
  margin: 0;
  padding: 0 18px 12px;
}

.page-privacy .privacy-version__list li {
  padding: 10px 0;
  border-top: var(--line);
  font-size: 14px;
  line-height: 1.7;
}

.page-privacy .privacy-version__list .mono {
  display: inline-block;
  min-width: 46px;
  margin-right: 8px;
  color: var(--ice-blue);
  letter-spacing: 0.04em;
}

/* ---------- 联系方式 ---------- */

.page-privacy .privacy-contact {
  margin-top: 20px;
  border-top: var(--line);
}

.page-privacy .privacy-contact__row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: var(--line);
}

.page-privacy .privacy-contact__key {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-privacy .privacy-contact__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-ice);
}

@media (min-width: 640px) {
  .page-privacy .privacy-contact__row {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

/* ---------- 结尾 ---------- */

.page-privacy .privacy-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  margin-top: clamp(32px, 4vw, 52px);
  padding-top: 24px;
  border-top: 2px solid var(--ink-ice);
}

.page-privacy .privacy-foot p {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-ice);
}

/* ---------- 窄屏收束 ---------- */

@media (max-width: 480px) {
  .page-privacy .privacy-hero__title {
    font-size: 27px;
  }

  .page-privacy .privacy-retention__label {
    font-size: 20px;
  }

  .page-privacy .privacy-mark,
  .page-privacy .privacy-note {
    padding-left: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link {
    transition: none;
  }
}