.page-privacy {
  --privacy-ink: #071823;
  --privacy-measure: 68ch;
  color: var(--text);
}

.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(36px, 7vw, 88px) 0 clamp(36px, 5.5vw, 68px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(77, 243, 212, 0.12), transparent 58%),
    linear-gradient(180deg, var(--ink), var(--moss));
}

.page-privacy .privacy-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-privacy .privacy-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.85);
  max-width: 100%;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    linear-gradient(90deg, rgba(7, 24, 35, 0.94) 0%, rgba(7, 24, 35, 0.6) 52%, rgba(7, 24, 35, 0.92) 100%),
    repeating-linear-gradient(90deg, rgba(42, 90, 80, 0.16) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

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

.page-privacy .privacy-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-privacy .privacy-crumbs__link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

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

.page-privacy .privacy-crumbs__sep {
  color: var(--line);
}

.page-privacy .privacy-crumbs__current {
  color: var(--cyan);
}

.page-privacy .privacy-hero__eyebrow {
  margin: clamp(22px, 3vw, 34px) 0 0;
  color: var(--cyan);
}

.page-privacy .privacy-hero__title {
  margin: 16px 0 0;
  font-size: clamp(36px, 7.6vw, 88px);
  font-weight: 200;
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 18ch;
  color: var(--text);
}

.page-privacy .privacy-hero__lede {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  max-width: var(--privacy-measure);
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.9;
  color: rgba(236, 251, 245, 0.84);
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-layout {
  max-width: 1120px;
  margin-inline: auto;
  padding-block: clamp(32px, 5vw, 68px);
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

/* 目录 */
.page-privacy .privacy-toc {
  padding: 20px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: linear-gradient(160deg, rgba(18, 59, 51, 0.86), rgba(7, 24, 35, 0.92));
}

.page-privacy .privacy-toc__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--r-sm);
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--text);
  background: rgba(77, 243, 212, 0.08);
  border-left-color: var(--cyan);
  outline: none;
}

.page-privacy .privacy-toc__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}

.page-privacy .privacy-toc__foot {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-toc__foot p {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .privacy-toc__cta {
  display: inline-block;
}

/* 正文 */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .privacy-sec {
  padding: clamp(24px, 3.4vw, 38px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy .privacy-sec__num {
  flex: 0 0 auto;
  padding: 4px 12px;
  border: 1px solid rgba(255, 138, 61, 0.45);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
}

.page-privacy .privacy-sec:target .privacy-sec__num {
  background: var(--orange);
  color: var(--ink);
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .privacy-sec p {
  margin: 14px 0 0;
  max-width: var(--privacy-measure);
  font-size: clamp(15.5px, 1.05vw, 17px);
  line-height: 1.95;
  color: rgba(236, 251, 245, 0.84);
}

.page-privacy .privacy-sec p.privacy-sec__tail {
  color: var(--muted);
  font-size: 15px;
}

.page-privacy .privacy-list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 24px;
  font-size: clamp(15.5px, 1.05vw, 16.5px);
  line-height: 1.85;
  color: rgba(236, 251, 245, 0.84);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0.78em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-privacy .privacy-list strong {
  color: var(--text);
  font-weight: 700;
}

.page-privacy .privacy-list--tight {
  gap: 8px;
  margin-top: 12px;
}

.page-privacy .privacy-list--tight li {
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(236, 251, 245, 0.78);
}

.page-privacy .privacy-list--tight li::before {
  top: 0.7em;
  width: 6px;
  height: 6px;
}

.page-privacy .privacy-list--orange li::before {
  background: var(--orange);
}

.page-privacy .privacy-note {
  margin-top: 18px;
  padding: 16px 18px;
  max-width: var(--privacy-measure);
  border: 1px solid rgba(77, 243, 212, 0.24);
  border-radius: var(--r-md);
  background: rgba(77, 243, 212, 0.06);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(236, 251, 245, 0.86);
}

.page-privacy .privacy-note strong {
  color: var(--cyan);
}

.page-privacy .privacy-note--warn {
  border-color: rgba(255, 111, 97, 0.32);
  background: rgba(255, 111, 97, 0.07);
}

.page-privacy .privacy-note--warn strong {
  color: var(--coral);
}

/* 用途卡片 */
.page-privacy .privacy-purpose {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.page-privacy .privacy-purpose__item {
  padding: 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: linear-gradient(155deg, rgba(16, 45, 68, 0.72), rgba(18, 59, 51, 0.5));
}

.page-privacy .privacy-purpose__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-privacy .privacy-purpose__t {
  margin: 8px 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.page-privacy .privacy-purpose__d {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(236, 251, 245, 0.76);
}

/* 存储分区 */
.page-privacy .privacy-split {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.page-privacy .privacy-split__col {
  padding: 20px;
  border: 1px solid rgba(77, 243, 212, 0.2);
  border-radius: var(--r-lg);
  background: rgba(16, 45, 68, 0.55);
}

.page-privacy .privacy-split__col--optional {
  border-color: rgba(255, 138, 61, 0.28);
  background: rgba(18, 59, 51, 0.5);
}

.page-privacy .privacy-split__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
}

.page-privacy .privacy-split__hint {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 术语卡 */
.page-privacy .privacy-terms {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-term {
  padding: 0 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  background: rgba(7, 24, 35, 0.55);
}

.page-privacy .privacy-term summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-term summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--muted);
}

.page-privacy .privacy-term[open] summary::after {
  content: "−";
  color: var(--orange);
}

.page-privacy .privacy-term summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.page-privacy .privacy-term p {
  margin: 0;
  padding: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(236, 251, 245, 0.78);
}

/* 联系卡 */
.page-privacy .privacy-contact {
  margin-top: 22px;
  padding: 22px;
  max-width: var(--privacy-measure);
  border: 1px solid rgba(255, 138, 61, 0.3);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, rgba(255, 138, 61, 0.13), rgba(18, 59, 51, 0.68));
}

.page-privacy .privacy-contact__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-privacy .privacy-contact__mail {
  display: inline-block;
  margin-top: 10px;
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  text-decoration: none;
  border-bottom: 2px solid rgba(255, 138, 61, 0.55);
  word-break: break-all;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .privacy-contact__mail:hover,
.page-privacy .privacy-contact__mail:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-privacy .privacy-contact__note {
  margin: 12px 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(236, 251, 245, 0.8);
}

/* 相关链接 */
.page-privacy .privacy-links {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-links__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-pill);
  font-size: 14.5px;
  color: var(--text);
  text-decoration: none;
  background: rgba(18, 59, 51, 0.4);
  transition: border-color 0.25s var(--ease), background-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-privacy .privacy-links__item::before {
  content: "→";
  font-family: var(--font-mono);
  color: var(--cyan);
}

.page-privacy .privacy-links__item:hover,
.page-privacy .privacy-links__item:focus-visible {
  border-color: var(--cyan);
  background: rgba(77, 243, 212, 0.1);
  transform: translateX(3px);
  outline: none;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-privacy .privacy-purpose {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(216px, 262px) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    max-height: calc(100vh - var(--header-h) - 48px);
    overflow-y: auto;
  }
}

@media (max-width: 420px) {
  .page-privacy .privacy-hero__title {
    font-size: clamp(30px, 9vw, 40px);
  }

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

  .page-privacy .privacy-contact {
    padding: 18px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-links__item,
  .page-privacy .privacy-sec__num {
    transition: none;
  }

  .page-privacy .privacy-links__item:hover,
  .page-privacy .privacy-links__item:focus-visible {
    transform: none;
  }
}

@media print {
  .page-privacy {
    color: #111;
    background: #fff;
  }

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

  .page-privacy .privacy-hero,
  .page-privacy .privacy-sec,
  .page-privacy .privacy-note,
  .page-privacy .privacy-purpose__item,
  .page-privacy .privacy-split__col,
  .page-privacy .privacy-term,
  .page-privacy .privacy-contact {
    background: #fff;
    border-color: #bbb;
    color: #111;
  }

  .page-privacy .privacy-hero__title,
  .page-privacy .privacy-sec__title,
  .page-privacy .privacy-purpose__t,
  .page-privacy .privacy-split__title {
    color: #111;
  }

  .page-privacy .privacy-sec p,
  .page-privacy .privacy-list li,
  .page-privacy .privacy-term p,
  .page-privacy .privacy-purpose__d {
    color: #222;
  }

  .page-privacy .privacy-term {
    page-break-inside: avoid;
  }
}