.page-privacy {
  --privacy-rail: 252px;
  --privacy-grid-line: rgba(30, 78, 102, .30);
  background: var(--bg);
  color: var(--text);
}

/* ---------- 顶部版本区 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--rule);
  padding-block: clamp(20px, 4vw, 36px) clamp(28px, 5vw, 56px);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--privacy-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--privacy-grid-line) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: radial-gradient(120% 110% at 12% 0%, #000 18%, transparent 74%);
  mask-image: radial-gradient(120% 110% at 12% 0%, #000 18%, transparent 74%);
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(31, 224, 207, 0) 62%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(22px, 3.4vw, 40px);
}

.page-privacy .privacy-hero__text {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-privacy .privacy-hero__text .crumbs {
  margin-bottom: 4px;
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: .03em;
  color: var(--ice);
  text-wrap: balance;
}

.page-privacy .privacy-hero__lead {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.8;
  color: var(--text-soft);
}

.page-privacy .version-bar {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
  border-top: var(--rule-soft);
  padding-top: 14px;
}

.page-privacy .version-bar li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-inline: 0 18px;
  margin-inline-end: 18px;
  border-inline-end: var(--rule-faint);
}

.page-privacy .version-bar li:last-child {
  border-inline-end: 0;
  margin-inline-end: 0;
  padding-inline-end: 0;
}

.page-privacy .version-bar .mono {
  font-size: 17px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-privacy .version-bar__label {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-privacy .privacy-hero__figure {
  margin: 0;
}

.page-privacy .privacy-hero__media {
  aspect-ratio: 16 / 9;
  border: var(--rule);
  background-color: var(--surface-deep);
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-privacy .privacy-hero__figure .figure__caption {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding-block: clamp(28px, 4.5vw, 56px) clamp(48px, 7vw, 96px);
}

/* ---------- 粘性目录 ---------- */
.page-privacy .privacy-rail {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-privacy .privacy-rail__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 10px;
  border-bottom: var(--rule);
}

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

.page-privacy .privacy-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-inline-start: 2px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-privacy .privacy-rail__list a .mono {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--line);
  transition: color .18s ease;
}

.page-privacy .privacy-rail__list a:hover,
.page-privacy .privacy-rail__list a:focus-visible {
  color: var(--ice);
  border-inline-start-color: var(--cyan);
  background: rgba(31, 224, 207, .08);
  outline: none;
}

.page-privacy .privacy-rail__list a:hover .mono,
.page-privacy .privacy-rail__list a:focus-visible .mono {
  color: var(--cyan);
}

.page-privacy .privacy-rail__card {
  display: grid;
  gap: 8px;
  justify-items: start;
  padding: 16px;
  background: var(--surface);
  border: var(--rule);
  border-top: 2px solid var(--orange);
}

.page-privacy .privacy-rail__card .eyebrow {
  margin: 0;
}

.page-privacy .privacy-rail__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-privacy .privacy-rail__mail {
  margin: 0;
  font-size: 12.5px;
  color: var(--cyan);
  word-break: break-all;
}

.page-privacy .privacy-rail__card .btn {
  margin-top: 4px;
}

/* ---------- 条款正文 ---------- */
.page-privacy .privacy-doc {
  display: grid;
  gap: clamp(26px, 3.6vw, 42px);
  counter-reset: clause;
  min-width: 0;
}

.page-privacy .clause {
  counter-increment: clause;
  border-top: var(--rule);
  padding-top: clamp(16px, 2.2vw, 26px);
  scroll-margin-top: 96px;
}

.page-privacy .clause > h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: .04em;
  color: var(--ice);
}

.page-privacy .clause > h2::before {
  content: counter(clause, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: .78em;
  letter-spacing: .06em;
  color: var(--line);
  transition: color .2s ease;
}

.page-privacy .clause:target > h2::before,
.page-privacy .clause:hover > h2::before {
  color: var(--orange);
}

.page-privacy .clause p {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-privacy .clause ul {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  display: grid;
  gap: 11px;
  max-width: 70ch;
}

.page-privacy .clause ul > li {
  position: relative;
  padding-inline-start: 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-privacy .clause ul > li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: .82em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .clause strong {
  color: var(--ice);
  font-weight: 600;
}

.page-privacy .clause .mono {
  color: var(--cyan);
  font-size: 14px;
  word-break: break-all;
}

.page-privacy .clause__tip {
  margin: 0;
  padding: 12px 14px;
  border-inline-start: 2px solid var(--green);
  background: rgba(123, 226, 107, .07);
  font-size: 14px !important;
  line-height: 1.75;
  color: var(--text-soft);
}

/* ---------- 术语注释 ---------- */
.page-privacy .term {
  position: relative;
  display: inline-block;
  color: var(--ice);
  border-bottom: 1px dashed rgba(31, 224, 207, .65);
  cursor: help;
}

.page-privacy .term:focus {
  outline: none;
}

.page-privacy .term:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 3px;
}

.page-privacy .term__note {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  z-index: 6;
  width: 240px;
  max-width: calc(100vw - 48px);
  padding: 10px 12px;
  background: var(--surface-deep);
  border: 1px solid var(--line);
  box-shadow: 0 14px 30px rgba(2, 9, 15, .6);
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0;
  color: var(--muted);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}

.page-privacy .term:hover .term__note,
.page-privacy .term:focus .term__note,
.page-privacy .term:focus-within .term__note {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 联系块 ---------- */
.page-privacy .privacy-contact {
  display: grid;
  gap: 18px;
  padding: clamp(18px, 3vw, 28px);
  background: var(--surface);
  border: var(--rule);
  border-top: 2px solid var(--cyan);
}

.page-privacy .privacy-contact__text h2 {
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 2.2vw, 1.55rem);
  letter-spacing: .03em;
  color: var(--ice);
}

.page-privacy .privacy-contact__text .eyebrow {
  margin: 0;
}

.page-privacy .privacy-contact__text p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-privacy .privacy-contact__box {
  display: grid;
  gap: 6px;
  justify-items: start;
  padding: 14px 16px;
  background: var(--surface-deep);
  border: var(--rule-faint);
}

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

.page-privacy .privacy-contact__value {
  margin: 0;
  font-size: 14.5px;
  color: var(--cyan);
  word-break: break-all;
}

.page-privacy .privacy-contact__hint {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .privacy-contact__box .btn {
  margin-top: 8px;
}

.page-privacy .privacy-doc__foot {
  margin: 0;
  padding-top: 16px;
  border-top: var(--rule-faint);
  font-size: 13px;
  color: var(--muted);
}

.page-privacy .privacy-doc__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 224, 207, .5);
}

.page-privacy .privacy-doc__foot a:hover,
.page-privacy .privacy-doc__foot a:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

/* ---------- 平板及桌面 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: end;
    gap: clamp(28px, 3.6vw, 52px);
  }

  .page-privacy .privacy-contact {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-body {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-privacy .clause p,
  .page-privacy .clause ul > li {
    font-size: 16px;
  }
}

@media (min-width: 1280px) {
  .page-privacy .privacy-doc {
    gap: clamp(34px, 4vw, 52px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__list a,
  .page-privacy .term__note,
  .page-privacy .clause > h2::before {
    transition: none;
  }
}
</main>