.page-privacy {
  --privacy-rule: rgba(169, 201, 222, 0.62);
  --privacy-ink: #14344f;
  --privacy-measure: 44rem;
  background: var(--sg-white);
  color: var(--sg-deep);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 112px 0 52px;
  background:
    radial-gradient(120% 90% at 6% -12%, #1b5e8e 0%, rgba(11, 42, 74, 0) 58%),
    linear-gradient(168deg, #0b2a4a 0%, #061a2e 100%);
  color: var(--sg-white);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    104deg,
    rgba(169, 201, 222, 0.13) 0 1px,
    transparent 1px 36px
  );
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: -1px;
  height: 96px;
  background: radial-gradient(70% 130% at 50% 100%, rgba(47, 227, 176, 0.16), transparent 72%);
  pointer-events: none;
}

.page-privacy .privacy-hero > .sg-container {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: 30px;
}

.page-privacy .privacy-breadcrumb {
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.page-privacy .privacy-breadcrumb,
.page-privacy .privacy-breadcrumb a,
.page-privacy .privacy-breadcrumb__sep {
  color: rgba(247, 250, 252, 0.74);
  text-decoration: none;
}

.page-privacy .privacy-breadcrumb a:hover,
.page-privacy .privacy-breadcrumb a:focus-visible {
  color: var(--sg-lime);
}

.page-privacy .privacy-hero__kicker {
  margin: 22px 0 0;
  font-family: var(--sg-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.24em;
  color: var(--sg-lime);
}

.page-privacy .privacy-hero h1 {
  margin: 12px 0 0;
  font-family: var(--sg-font-display);
  font-size: clamp(2rem, 7.2vw, 3.4rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--sg-white);
  max-width: 15em;
}

.page-privacy .privacy-hero__lead {
  margin: 18px 0 0;
  max-width: 33em;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(232, 241, 247, 0.86);
}

.page-privacy .privacy-hero__media {
  margin: 0;
  border-radius: var(--sg-radius-l);
  overflow: hidden;
  border: 1px solid rgba(169, 201, 222, 0.34);
  background: rgba(247, 250, 252, 0.06);
  box-shadow: var(--sg-shadow-m);
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body {
  padding: 40px 0 76px;
  background: var(--sg-white);
}

.page-privacy .privacy-layout {
  display: grid;
  gap: 34px;
}

/* ---------- 目录 ---------- */
.page-privacy .privacy-toc {
  border: 1px solid var(--privacy-rule);
  border-radius: var(--sg-radius-m);
  padding: 16px 14px;
  background: var(--sg-mist);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 10px;
  padding-left: 10px;
  font-family: var(--sg-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--sg-salt);
}

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

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--sg-radius-s);
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--sg-tide);
  text-decoration: none;
  transition: background 0.2s var(--sg-ease), color 0.2s var(--sg-ease);
}

.page-privacy .privacy-toc__link > span {
  flex: none;
  font-family: var(--sg-font-mono);
  font-size: 0.72rem;
  color: var(--sg-sea);
}

.page-privacy .privacy-toc__link:hover {
  background: rgba(43, 127, 184, 0.13);
  color: var(--sg-deep);
}

.page-privacy .privacy-toc__link:focus-visible {
  outline: 2px solid var(--sg-coral);
  outline-offset: 2px;
}

/* ---------- 条款正文 ---------- */
.page-privacy .privacy-doc {
  display: grid;
  gap: 40px;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-section {
  scroll-margin-top: 104px;
  padding-top: 26px;
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-privacy .privacy-section__num {
  flex: none;
  font-family: var(--sg-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--sg-sea);
  transition: color 0.2s var(--sg-ease);
}

.page-privacy .privacy-section__title {
  margin: 0;
  font-family: var(--sg-font-display);
  font-size: clamp(1.22rem, 3.6vw, 1.58rem);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--sg-deep);
}

.page-privacy .privacy-section:target {
  border-top-color: var(--sg-sea);
}

.page-privacy .privacy-section:target .privacy-section__num {
  color: var(--sg-coral);
}

.page-privacy .privacy-prose {
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-prose p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--privacy-ink);
}

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

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 18px;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--privacy-ink);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 8px;
  height: 2px;
  background: var(--sg-sea);
}

.page-privacy .privacy-list strong {
  color: var(--sg-deep);
  font-weight: 600;
}

.page-privacy .privacy-mail {
  color: var(--sg-tide);
  text-decoration: underline;
  text-decoration-color: var(--sg-sea);
  text-underline-offset: 3px;
  word-break: break-all;
}

.page-privacy .privacy-mail:hover {
  color: var(--sg-sea);
}

.page-privacy .privacy-mail:focus-visible {
  outline: 2px solid var(--sg-coral);
  outline-offset: 2px;
}

/* ---------- 折叠条目 ---------- */
.page-privacy .privacy-fact {
  border: 1px solid var(--privacy-rule);
  border-radius: var(--sg-radius-s);
  background: var(--sg-white);
  overflow: hidden;
}

.page-privacy .privacy-fact summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 15px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--sg-deep);
  cursor: pointer;
  list-style: none;
  transition: background 0.2s var(--sg-ease);
}

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

.page-privacy .privacy-fact summary::after {
  content: "+";
  flex: none;
  font-family: var(--sg-font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--sg-sea);
}

.page-privacy .privacy-fact[open] summary::after {
  content: "\2212";
}

.page-privacy .privacy-fact summary:hover {
  background: rgba(43, 127, 184, 0.08);
}

.page-privacy .privacy-fact summary:focus-visible {
  outline: 2px solid var(--sg-coral);
  outline-offset: -2px;
}

.page-privacy .privacy-fact p {
  margin: 0;
  padding: 0 15px 15px;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--privacy-ink);
}

/* ---------- 结尾帮助卡 ---------- */
.page-privacy .privacy-help {
  display: grid;
  gap: 14px;
  justify-items: start;
  padding: 26px 22px;
  border-radius: var(--sg-radius-m);
  background:
    radial-gradient(120% 120% at 100% 0%, #164a73 0%, rgba(11, 42, 74, 0) 62%),
    linear-gradient(155deg, #0b2a4a 0%, #061a2e 100%);
  color: var(--sg-white);
}

.page-privacy .privacy-help__title {
  margin: 0;
  font-family: var(--sg-font-display);
  font-size: 1.24rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--sg-white);
}

.page-privacy .privacy-help__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(232, 241, 247, 0.84);
  max-width: 34em;
}

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

/* ---------- 平板与桌面 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    padding: 140px 0 76px;
  }

  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
    gap: 56px;
  }

  .page-privacy .privacy-body {
    padding: 56px 0 96px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 108px;
  }

  .page-privacy .privacy-doc {
    gap: 46px;
  }

  .page-privacy .privacy-help {
    padding: 32px 30px;
  }
}

@media (min-width: 1140px) {
  .page-privacy .privacy-hero__media {
    margin-top: 10px;
  }
}

/* ---------- 减少动态 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-fact summary,
  .page-privacy .privacy-section__num {
    transition: none;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-privacy {
    background: #fff;
    color: #000;
  }

  .page-privacy .privacy-hero {
    padding: 0 0 18px;
    background: none;
    color: #000;
  }

  .page-privacy .privacy-hero::before,
  .page-privacy .privacy-hero::after {
    display: none;
  }

  .page-privacy .privacy-hero h1,
  .page-privacy .privacy-hero__kicker,
  .page-privacy .privacy-breadcrumb,
  .page-privacy .privacy-breadcrumb a,
  .page-privacy .privacy-section__title,
  .page-privacy .privacy-help__title {
    color: #000;
  }

  .page-privacy .privacy-hero__lead,
  .page-privacy .privacy-prose p,
  .page-privacy .privacy-list li,
  .page-privacy .privacy-fact p {
    color: #1a1a1a;
  }

  .page-privacy .privacy-hero__media,
  .page-privacy .privacy-toc,
  .page-privacy .privacy-help {
    display: none;
  }

  .page-privacy .privacy-body {
    padding: 0;
  }

  .page-privacy .privacy-layout {
    display: block;
  }

  .page-privacy .privacy-doc {
    max-width: none;
    gap: 24px;
  }

  .page-privacy .privacy-fact {
    border-color: #bbb;
  }

  .page-privacy .privacy-fact summary::after {
    content: "";
  }
}