.page-privacy {
  --privacy-measure: 660px;
  --privacy-rail: 216px;
  --privacy-ink: #C9D1EE;
}

/* 顶部横幅 */
.page-privacy .privacy-banner {
  position: relative;
  overflow: hidden;
  background-color: var(--deep);
  border-bottom: 1px solid var(--grid);
}

.page-privacy .privacy-banner__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .5;
}

.page-privacy .privacy-banner__mask {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(180deg, rgba(21, 12, 46, .38) 0%, rgba(21, 12, 46, .74) 58%, var(--deep) 100%),
    repeating-linear-gradient(90deg, rgba(59, 107, 255, .12) 0 1px, transparent 1px 92px);
  pointer-events: none;
}

.page-privacy .privacy-banner__inner {
  position: relative;
  padding-block: clamp(46px, 9vw, 104px) clamp(34px, 6vw, 68px);
}

.page-privacy .privacy-banner .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-privacy .privacy-banner__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mint);
}

.page-privacy .privacy-banner__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(2.1rem, 4vw, 3.3rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--star);
}

.page-privacy .privacy-banner__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 40ch;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1rem, 1.5vw, 1.18rem);
  line-height: 1.85;
  color: var(--haze);
}

/* 主体两栏 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 46px);
  padding-block: clamp(30px, 5vw, 60px) clamp(52px, 8vw, 104px);
}

/* 左侧章节索引 */
.page-privacy .privacy-rail {
  align-self: start;
}

.page-privacy .privacy-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--haze);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border-left: 1px solid var(--grid);
}

.page-privacy .privacy-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0 9px 14px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  font-size: .92rem;
  line-height: 1.5;
  color: var(--haze);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--star);
  border-left-color: var(--blue);
}

.page-privacy .privacy-rail__code {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-privacy .privacy-rail__note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--grid);
  font-size: .84rem;
  line-height: 1.75;
  color: var(--haze);
}

.page-privacy .privacy-rail__mail {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 232, 176, .4);
}

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

/* 正文文档流 */
.page-privacy .privacy-doc {
  display: grid;
  gap: clamp(34px, 5vw, 58px);
  min-width: 0;
}

.page-privacy .privacy-sec {
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--grid);
  scroll-margin-top: 96px;
}

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

.page-privacy .privacy-sec__code {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--amber);
  white-space: nowrap;
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.16rem, 2vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--star);
}

.page-privacy .privacy-sec__title a {
  color: inherit;
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-privacy .privacy-sec__title a:hover,
.page-privacy .privacy-sec__title a:focus-visible {
  color: var(--mint);
}

.page-privacy .privacy-text {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  max-width: var(--privacy-measure);
  font-size: 1rem;
  line-height: 1.9;
  color: var(--privacy-ink);
}

.page-privacy .privacy-text--tight {
  margin-top: clamp(16px, 2.4vw, 22px);
  margin-bottom: 0;
  font-size: .95rem;
  color: var(--haze);
}

.page-privacy .privacy-link {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 232, 176, .38);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

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

/* 条目行 */
.page-privacy .privacy-rows {
  display: grid;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-row {
  display: grid;
  gap: 5px;
  padding-block: 15px;
  border-top: 1px solid var(--grid);
}

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

.page-privacy .privacy-row__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .04em;
  color: var(--amber);
}

.page-privacy .privacy-row__val {
  margin: 0;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--privacy-ink);
}

.page-privacy .privacy-rows--contact .privacy-row__val {
  word-break: break-word;
}

/* 选择权条目 */
.page-privacy .privacy-options {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-option {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  background-color: var(--glass);
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  transition: border-color .2s var(--ease);
}

.page-privacy .privacy-option:hover {
  border-color: var(--blue);
}

.page-privacy .privacy-option__num {
  font-family: var(--font-mono);
  font-size: .82rem;
  line-height: 1.7;
  color: var(--mint);
}

.page-privacy .privacy-option__body {
  font-size: .97rem;
  line-height: 1.85;
  color: var(--privacy-ink);
}

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

/* 关键条款提示 */
.page-privacy .privacy-callout {
  margin-top: clamp(18px, 2.6vw, 26px);
  max-width: var(--privacy-measure);
  padding: 18px 20px 18px 22px;
  border-left: 3px solid var(--orange);
  background-image: linear-gradient(90deg, rgba(255, 138, 61, .12), rgba(255, 138, 61, 0) 72%);
}

.page-privacy .privacy-callout__title {
  margin: 0 0 8px;
  font-size: .92rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--orange);
}

.page-privacy .privacy-callout__text {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--privacy-ink);
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-privacy .privacy-row {
    grid-template-columns: 152px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
    padding-block: 17px;
  }

  .page-privacy .privacy-row__key {
    font-size: .82rem;
  }
}

/* 桌面双栏，左侧索引常驻 */
@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    column-gap: clamp(40px, 6vw, 80px);
    justify-content: center;
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 104px;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-doc {
    max-width: 760px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-sec__title a,
  .page-privacy .privacy-link,
  .page-privacy .privacy-option {
    transition: none;
  }
}
<<<END>>>