.page-privacy {
  --pv-doc: 70ch;
  --pv-key: 5.6rem;
  --pv-toc: 210px;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 150% at 8% -20%, var(--cyan-a08), transparent 58%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 78%);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-a16) 22%, transparent 70%);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 52px);
  align-items: end;
  margin-top: clamp(22px, 3.6vw, 44px);
}

.page-privacy .privacy-hero__copy {
  max-width: 46rem;
}

.page-privacy .privacy-hero .display--lg {
  margin: 0.35em 0 0.5em;
  letter-spacing: 0.01em;
}

.page-privacy .privacy-hero__meta {
  margin: 1.15rem 0 0;
  padding-left: 0.9rem;
  border-left: 2px solid var(--cyan);
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-privacy .privacy-hero__media {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow);
}

.page-privacy .privacy-hero__media .media__cap {
  border-top: 1px solid var(--line);
}

/* ---------- 主体网格 ---------- */
.page-privacy .privacy-body {
  padding-block: clamp(34px, 5vw, 74px);
  background: var(--ink);
}

.page-privacy .privacy-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4.4vw, 64px);
}

/* ---------- 条款目录 ---------- */
.page-privacy .privacy-toc {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-privacy .privacy-toc__label {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
}

.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5em;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: 0.84rem;
  color: var(--cold);
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease);
}

.page-privacy .privacy-toc__idx {
  font-size: 0.86rem;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan-a08);
}

.page-privacy .privacy-toc__top {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

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

/* ---------- 条款正文 ---------- */
.page-privacy .privacy-doc {
  max-width: var(--pv-doc);
}

.page-privacy .privacy-sec {
  padding-top: clamp(26px, 3.4vw, 44px);
  margin-top: clamp(26px, 3.4vw, 44px);
  border-top: 1px solid var(--line-2);
}

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

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 1.6vw, 20px);
  margin-bottom: 0.9rem;
}

.page-privacy .privacy-sec__num {
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  line-height: 0.9;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.02em;
  flex: 0 0 auto;
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.28rem, 2.6vw, 1.78rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-privacy .privacy-sec p {
  margin: 0 0 0.95rem;
  font-size: 0.96rem;
  line-height: 1.95;
  color: var(--cold);
}

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

.page-privacy .privacy-note {
  color: var(--mist) !important;
  font-size: 0.88rem !important;
  padding-left: 0.9rem;
  border-left: 1px solid var(--line);
}

.page-privacy .privacy-sec a.accent {
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a16);
  transition: border-color var(--t-fast) var(--ease);
}

.page-privacy .privacy-sec a.accent:hover,
.page-privacy .privacy-sec a.accent:focus-visible {
  border-color: var(--cyan);
}

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 1.1rem 0 1.2rem;
  padding: 0;
  border-top: 1px solid var(--line-2);
}

.page-privacy .privacy-list__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-2);
  transition: background-color var(--t-fast) var(--ease);
}

.page-privacy .privacy-list__row:hover {
  background: var(--cyan-a08);
}

.page-privacy .privacy-key {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-privacy .privacy-val {
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--cold);
}

/* ---------- 用途卡片 ---------- */
.page-privacy .privacy-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 1.1rem 0 1.2rem;
}

.page-privacy .privacy-card {
  padding: 15px 16px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--r-xs);
  box-shadow: var(--shadow-soft);
}

.page-privacy .privacy-card__title {
  margin: 0 0 0.45rem;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.02em;
}

.page-privacy .privacy-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 琥珀提示 ---------- */
.page-privacy .privacy-callout {
  margin-top: 1.3rem;
}

.page-privacy .privacy-callout__title {
  margin: 0 0 0.4rem !important;
  font-family: var(--font-num);
  font-size: 0.8rem !important;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber) !important;
}

.page-privacy .privacy-callout p:last-child {
  margin-bottom: 0;
  font-size: 0.9rem;
  color: var(--cold);
}

/* ---------- 联系方式面板 ---------- */
.page-privacy .privacy-contact {
  margin-top: 1.4rem;
}

.page-privacy .privacy-contact__list {
  margin: 0 0 0.9rem;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-contact__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}

.page-privacy .privacy-contact__key {
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-privacy .privacy-contact__val {
  margin: 0;
  font-size: 0.98rem;
  color: var(--white);
  word-break: break-word;
}

.page-privacy .privacy-contact .panel__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 折叠问答 ---------- */
.page-privacy .privacy-fold {
  margin-top: 1.2rem;
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 0 16px;
}

.page-privacy .privacy-fold summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 0;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--cold);
  transition: color var(--t-fast) var(--ease);
}

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

.page-privacy .privacy-fold summary::after {
  content: "+";
  float: right;
  margin-left: 12px;
  font-family: var(--font-num);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .privacy-fold[open] summary::after {
  content: "−";
}

.page-privacy .privacy-fold summary:hover,
.page-privacy .privacy-fold summary:focus-visible {
  color: var(--cyan);
}

.page-privacy .privacy-fold p {
  margin: 0;
  padding: 0 0 15px;
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--mist);
}

/* ---------- 页尾条 ---------- */
.page-privacy .privacy-foot {
  margin-top: clamp(28px, 3.6vw, 48px);
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-privacy .privacy-foot__top {
  font-family: var(--font-num);
  font-size: 0.84rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a16);
  padding-bottom: 2px;
  transition: border-color var(--t-fast) var(--ease);
}

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

.page-privacy .privacy-foot__note {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-list__row {
    grid-template-columns: var(--pv-key) minmax(0, 1fr);
    gap: 0 18px;
    align-items: baseline;
  }

  .page-privacy .privacy-contact__row {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 76px);
  }

  .page-privacy .privacy-body__grid {
    grid-template-columns: var(--pv-toc) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 84px);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 26px;
    align-self: start;
    border-top: 0;
    border-left: 1px solid var(--line);
    padding: 4px 0 4px 16px;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 6px;
  }

  .page-privacy .privacy-toc__link {
    width: 100%;
    border-color: transparent;
    background: transparent;
    padding: 6px 8px;
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    border-color: var(--line);
    background: var(--cyan-a08);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-toc__top,
  .page-privacy .privacy-list__row,
  .page-privacy .privacy-fold summary {
    transition: none;
  }
}
</style>