/* ============ 隐私政策页 ============ */
.page-privacy {
  --privacy-measure: 820px;
  --privacy-body: #C7D6E6;
  background: var(--ink-deep);
  color: var(--paper);
  overflow-x: hidden;
  padding-bottom: 56px;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-top {
  position: relative;
  padding: 26px 0 0;
  isolation: isolate;
}

.page-privacy .privacy-top::before {
  content: "";
  position: absolute;
  top: -150px;
  right: -130px;
  width: 560px;
  height: 560px;
  border-radius: 50%;
  background:
    radial-gradient(closest-side, rgba(53, 227, 210, .16), transparent 70%),
    radial-gradient(closest-side at 26% 74%, rgba(76, 107, 240, .24), transparent 72%);
  z-index: -1;
  pointer-events: none;
}

.page-privacy .privacy-top .wrap {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-top h1 {
  margin: 12px 0 18px;
  max-width: 22ch;
  font-family: var(--font-display);
  font-size: clamp(28px, 7vw, 46px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-privacy .privacy-top .lede {
  max-width: 60ch;
  color: var(--privacy-body);
  line-height: 1.82;
}

.page-privacy .privacy-banner {
  position: relative;
  margin: 34px 0 0;
  overflow: hidden;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  max-width: 1400px;
  height: auto;
  aspect-ratio: 14 / 5;
  object-fit: cover;
  margin-inline: auto;
  opacity: .82;
}

.page-privacy .privacy-banner::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 62%;
  background: linear-gradient(to bottom, rgba(12, 26, 46, 0) 0%, var(--ink-deep) 98%);
  pointer-events: none;
}

/* ---------- 文档容器 ---------- */
.page-privacy .privacy-doc {
  max-width: var(--privacy-measure);
  margin-inline: auto;
  padding-bottom: 72px;
}

/* ---------- 要点速览 ---------- */
.page-privacy .privacy-brief {
  position: relative;
  margin: 42px 0 0;
  padding: 24px 26px 22px 28px;
  background: var(--ink-panel);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-privacy .privacy-brief::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--amber-mark);
}

.page-privacy .privacy-brief__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--amber-soft);
}

.page-privacy .privacy-brief__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-brief__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--privacy-body);
}

.page-privacy .privacy-brief__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 7px;
  height: 7px;
  background: var(--cyan-signal);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  scroll-margin-top: 104px;
  margin-top: 48px;
}

.page-privacy .privacy-section::before {
  content: "";
  display: block;
  height: 1px;
  margin-bottom: 32px;
  background: linear-gradient(90deg, var(--ink-line), rgba(35, 64, 95, 0) 88%);
}

.page-privacy .privacy-section__title {
  position: relative;
  margin: 0 0 18px;
  padding-left: 18px;
  font-family: var(--font-display);
  font-size: clamp(21px, 4.6vw, 27px);
  font-weight: 700;
  line-height: 1.36;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-privacy .privacy-section__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 5px;
  width: 2px;
  background: var(--cyan-signal);
  transition: background-color .22s var(--ease);
}

.page-privacy .privacy-section:target .privacy-section__title::before {
  background: var(--amber-mark);
}

.page-privacy .privacy-section__num {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--cyan-signal);
}

.page-privacy .privacy-section p {
  margin: 0 0 15px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--privacy-body);
}

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

.page-privacy .privacy-section p a {
  color: var(--cyan-signal);
  text-decoration: underline;
  text-decoration-color: rgba(53, 227, 210, .45);
  text-underline-offset: 3px;
}

.page-privacy .privacy-section p a:hover {
  text-decoration-color: var(--cyan-signal);
}

/* ---------- 分组块 ---------- */
.page-privacy .privacy-group {
  margin: 0 0 14px;
  padding: 16px 18px 16px 20px;
  background: rgba(19, 39, 67, .55);
  border-left: 2px solid var(--ink-line);
  transition: border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-privacy .privacy-group:hover {
  border-left-color: var(--cyan-signal);
  background: rgba(19, 39, 67, .85);
}

.page-privacy .privacy-group--quiet {
  margin-top: 26px;
  margin-bottom: 0;
}

.page-privacy .privacy-group__title {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--cyan-mist);
}

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 17px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--privacy-body);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 1px;
  background: var(--cyan-signal);
}

.page-privacy .privacy-list--lead li {
  padding-left: 19px;
  font-size: 15.5px;
}

.page-privacy .privacy-list--lead li::before {
  top: 11px;
  width: 10px;
  height: 2px;
  background: var(--cyan-signal);
}

/* ---------- 用途编号列表 ---------- */
.page-privacy .privacy-uses {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: use;
}

.page-privacy .privacy-uses li {
  position: relative;
  padding-left: 36px;
  counter-increment: use;
}

.page-privacy .privacy-uses li::before {
  content: counter(use, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan-signal);
}

.page-privacy .privacy-uses__title {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
}

.page-privacy .privacy-uses__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--privacy-body);
}

.page-privacy .privacy-uses__text a {
  color: var(--cyan-signal);
  text-decoration: underline;
  text-decoration-color: rgba(53, 227, 210, .45);
  text-underline-offset: 3px;
}

/* ---------- 期限条目 ---------- */
.page-privacy .privacy-terms {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink-line);
}

.page-privacy .privacy-terms li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ink-line);
}

.page-privacy .privacy-terms__key {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--amber-soft);
}

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

/* ---------- 联系信息块 ---------- */
.page-privacy .privacy-contact {
  margin: 34px 0 0;
  padding: 24px 22px 22px;
  background: rgba(19, 39, 67, .5);
  border: 1px solid var(--ink-line);
  border-top: 2px solid var(--amber-mark);
}

.page-privacy .privacy-contact__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-privacy .privacy-contact__list {
  display: grid;
  gap: 13px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-contact__list li {
  display: grid;
  gap: 3px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--privacy-body);
}

.page-privacy .privacy-contact__key {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--slate-muted);
}

.page-privacy .privacy-contact__list a {
  color: var(--cyan-signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 227, 210, .42);
}

.page-privacy .privacy-contact__list a:hover {
  color: var(--cyan-mist);
  border-bottom-color: var(--cyan-mist);
}

.page-privacy .privacy-contact__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--ink-line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate-muted);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .privacy-totop {
  position: fixed;
  right: 14px;
  bottom: 16px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--cyan-mist);
  background: rgba(7, 16, 31, .9);
  border: 1px solid var(--ink-line);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .privacy-totop::before {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-bottom: 6px solid currentColor;
}

.page-privacy .privacy-totop:hover,
.page-privacy .privacy-totop:focus-visible {
  color: var(--amber-soft);
  border-color: var(--amber-mark);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-brief {
    padding: 26px 32px 24px 34px;
  }

  .page-privacy .privacy-terms li {
    grid-template-columns: 152px 1fr;
    gap: 0 22px;
    align-items: baseline;
  }

  .page-privacy .privacy-contact__list li {
    grid-template-columns: 128px 1fr;
    gap: 0 18px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-top {
    padding-top: 46px;
  }

  .page-privacy .privacy-banner {
    margin-top: 46px;
  }

  .page-privacy .privacy-doc {
    padding-bottom: 88px;
  }

  .page-privacy .privacy-brief {
    margin-top: 56px;
    padding: 30px 36px 28px 38px;
  }

  .page-privacy .privacy-section {
    margin-top: 58px;
  }

  .page-privacy .privacy-section::before {
    margin-bottom: 36px;
  }

  .page-privacy .privacy-group {
    padding: 18px 22px 18px 24px;
  }

  .page-privacy .privacy-contact {
    padding: 28px 28px 26px;
  }

  .page-privacy .privacy-totop {
    right: 28px;
    bottom: 28px;
  }
}