.page-privacy {
  --doc-measure: 40rem;
  --rail-w: 200px;
  --pp-space: clamp(30px, 4.4vw, 46px);

  background: var(--c-night);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  padding: calc(var(--header-offset) + clamp(18px, 4vw, 40px)) 0 clamp(30px, 5vw, 56px);
  background:
    radial-gradient(110% 80% at 82% -12%, rgba(23, 162, 166, .22), transparent 62%),
    radial-gradient(90% 70% at 6% 0%, rgba(232, 178, 58, .09), transparent 58%),
    linear-gradient(178deg, var(--c-deep) 0%, var(--c-night) 84%);
  border-bottom: 1px solid var(--c-hair);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 5px;
  background-image: repeating-linear-gradient(90deg, var(--c-hair) 0 1px, transparent 1px 28px);
  opacity: .9;
  pointer-events: none;
}

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

.page-privacy .privacy-hero h1 {
  margin: 16px 0 0;
  max-width: 17em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 5.6vw, 60px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-privacy .privacy-lede {
  margin: 18px 0 0;
  max-width: 42rem;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 30px;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--c-hair);
}

.page-privacy .privacy-meta li {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ink-faint);
}

.page-privacy .privacy-meta b {
  margin-right: 8px;
  font-weight: 400;
  color: var(--c-gold-soft);
}

.page-privacy .privacy-hero-figure {
  margin: clamp(26px, 4vw, 44px) 0 0;
  aspect-ratio: 7 / 4;
  background: var(--c-deep);
}

.page-privacy .privacy-hero-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 主体布局 ---------- */

.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 36px);
  padding-top: clamp(32px, 5vw, 56px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

/* ---------- 条款索引 ---------- */

.page-privacy .privacy-rail {
  min-width: 0;
}

.page-privacy .rail-head {
  display: none;
}

.page-privacy .rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .rail-list::-webkit-scrollbar {
  display: none;
}

.page-privacy .rail-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--c-hair);
  border-radius: var(--radius);
  background: rgba(7, 23, 41, .55);
  color: var(--ink-dim);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color .18s var(--ease), color .18s var(--ease), background-color .18s var(--ease);
}

.page-privacy .rail-idx {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--c-gold-soft);
}

.page-privacy .rail-link:hover,
.page-privacy .rail-link:focus-visible {
  border-color: rgba(23, 162, 166, .6);
  background: rgba(23, 162, 166, .1);
  color: var(--ink);
}

/* ---------- 文档 ---------- */

.page-privacy .privacy-doc {
  max-width: var(--doc-measure);
  min-width: 0;
}

.page-privacy .doc-section {
  position: relative;
  padding: var(--pp-space) 0 clamp(24px, 3.4vw, 36px);
  border-top: 1px solid var(--c-hair);
  scroll-margin-top: calc(var(--header-offset) + 12px);
}

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

.page-privacy .sec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-privacy .sec-num {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-gold-soft);
}

.page-privacy .sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.5vw, 29px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-doc h3 {
  margin: 1.7em 0 .55em;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-privacy .privacy-doc p {
  margin: 0 0 1em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink-dim);
}

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

.page-privacy .privacy-doc a,
.page-privacy .contact-card a {
  color: var(--c-lake-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 211, 210, .38);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-privacy .privacy-doc a:hover,
.page-privacy .privacy-doc a:focus-visible,
.page-privacy .contact-card a:hover,
.page-privacy .contact-card a:focus-visible {
  color: var(--c-gold-soft);
  border-bottom-color: var(--c-gold-soft);
}

.page-privacy .doc-list {
  margin: 0 0 1.1em;
  padding: 0;
  list-style: none;
}

.page-privacy .doc-list li {
  position: relative;
  margin-bottom: .62em;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-privacy .doc-list li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: .8em;
  width: 7px;
  height: 1px;
  background: var(--c-lake);
}

.page-privacy .tag {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid rgba(23, 162, 166, .3);
  border-radius: var(--radius);
  background: rgba(23, 162, 166, .12);
  color: var(--c-lake-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
}

/* ---------- 折叠小抄 ---------- */

.page-privacy .cheat {
  margin: 1.5em 0 .3em;
  border: 1px solid var(--c-hair);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(7, 23, 41, .9), rgba(14, 35, 64, .55));
}

.page-privacy .cheat summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ink);
  transition: color .18s var(--ease);
}

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

.page-privacy .cheat summary::before {
  content: "+";
  width: 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--c-gold-soft);
}

.page-privacy .cheat[open] summary::before {
  content: "−";
}

.page-privacy .cheat[open] summary {
  border-bottom: 1px solid var(--c-hair);
  color: var(--c-gold-soft);
}

.page-privacy .cheat-body {
  padding: 4px 16px 16px;
}

.page-privacy .cheat-body ol {
  margin: 12px 0 0;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-dim);
}

.page-privacy .cheat-body li {
  margin-bottom: .4em;
}

.page-privacy .cheat-body p {
  margin: .9em 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-faint);
}

/* ---------- 联系卡片 ---------- */

.page-privacy .contact-card {
  margin-top: clamp(34px, 5vw, 56px);
  padding: clamp(22px, 3.4vw, 34px);
  border: 1px solid var(--c-hair);
  border-radius: var(--radius);
  background:
    linear-gradient(148deg, rgba(23, 162, 166, .13), transparent 58%),
    var(--c-deep);
}

.page-privacy .contact-card h2 {
  margin: 12px 0 clamp(18px, 2.4vw, 24px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-privacy .contact-list {
  margin: 0;
  padding: 0;
}

.page-privacy .contact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px 18px;
  padding: 11px 0;
  border-top: 1px solid var(--c-hair);
}

.page-privacy .contact-row:last-child {
  border-bottom: 1px solid var(--c-hair);
}

.page-privacy .contact-k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ink-faint);
}

.page-privacy .contact-v {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-privacy .contact-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-faint);
}

.page-privacy .contact-note + .contact-note {
  margin-top: 8px;
}

/* ---------- 桌面：右侧刻度索引 ---------- */

@media (min-width: 1040px) {
  .page-privacy .privacy-body {
    grid-template-columns: minmax(0, 1fr) var(--rail-w);
    column-gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }

  .page-privacy .privacy-doc {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .privacy-rail {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--header-offset) - 4px);
    padding-top: 4px;
  }

  .page-privacy .rail-head {
    display: block;
    margin-bottom: 14px;
  }

  .page-privacy .rail-title {
    margin: 0;
    padding-top: 8px;
    border-top: 1px solid var(--c-lake);
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--c-lake-soft);
  }

  .page-privacy .rail-list {
    flex-direction: column;
    gap: 0;
    padding: 0 0 0 18px;
    overflow: visible;
    position: relative;
  }

  .page-privacy .rail-list::before {
    content: "";
    position: absolute;
    left: 3px;
    top: 12px;
    bottom: 12px;
    width: 1px;
    background: linear-gradient(180deg, var(--c-lake) 0%, rgba(23, 162, 166, .22) 62%, rgba(23, 162, 166, 0) 100%);
  }

  .page-privacy .rail-item {
    position: relative;
  }

  .page-privacy .rail-item::before {
    content: "";
    position: absolute;
    left: -18px;
    top: 15px;
    width: 7px;
    height: 1px;
    background: var(--c-hair);
    transition: width .18s var(--ease), background-color .18s var(--ease);
  }

  .page-privacy .rail-item:hover::before {
    width: 12px;
    background: var(--c-gold);
  }

  .page-privacy .rail-link {
    display: flex;
    align-items: baseline;
    padding: 8px 0;
    border: 0;
    border-radius: 0;
    background: none;
    white-space: normal;
    font-size: 13px;
    line-height: 1.5;
    color: var(--ink-faint);
  }

  .page-privacy .rail-link:hover,
  .page-privacy .rail-link:focus-visible {
    border: 0;
    background: none;
    color: var(--c-gold-soft);
  }

  .page-privacy .contact-row {
    grid-template-columns: 88px minmax(0, 1fr);
    align-items: baseline;
  }
}

/* ---------- 中等宽度 ---------- */

@media (min-width: 640px) and (max-width: 1039px) {
  .page-privacy .privacy-doc {
    max-width: 44rem;
  }
}
<<<END>>>