.page-privacy {
  --pp-line: rgba(74, 93, 122, 0.18);
  --pp-line-strong: rgba(74, 93, 122, 0.32);
}

/* 首屏 */
.page-privacy .pp-hero {
  background-color: var(--bone);
  background-image:
    repeating-linear-gradient(to right, var(--pp-line) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(to bottom, var(--pp-line) 0 1px, transparent 1px 64px);
  border-bottom: 1px solid var(--pp-line-strong);
  padding: clamp(20px, 4vw, 40px) 0 clamp(28px, 5vw, 56px);
}

.page-privacy .pp-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-privacy .pp-hero .kicker {
  color: var(--red-deep);
}

.page-privacy .pp-hero h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  letter-spacing: -0.04em;
  color: var(--ink);
  font-size: clamp(38px, 9vw, 72px);
  line-height: 1.02;
  margin: 8px 0 0;
}

.page-privacy .pp-lede {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(16px, 2.1vw, 20px);
  line-height: 1.7;
  color: var(--navy);
  max-width: 58ch;
  margin: 16px 0 0;
}

.page-privacy .pp-keyline {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pp-keyline li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  border-top: 2px solid var(--red);
  padding-top: 10px;
}

.page-privacy .pp-keyline__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--bone);
  background: var(--navy);
  padding: 1px 5px;
  line-height: 1.6;
  align-self: start;
  grid-row: span 2;
}

.page-privacy .pp-keyline strong {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .pp-keyline li > span:last-child {
  font-size: 14px;
  line-height: 1.65;
  color: var(--steel);
}

/* 红白条纹切口 */
.page-privacy .pp-stripe {
  height: 14px;
  background: repeating-linear-gradient(90deg, var(--red) 0 26px, var(--bone) 26px 52px);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

/* 页首窄幅图 */
.page-privacy .pp-banner {
  margin: clamp(24px, 4vw, 40px) auto 0;
}

.page-privacy .pp-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
  background: var(--sand);
}

.page-privacy .pp-banner__cap {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--gray);
  margin-top: 10px;
}

/* 正文与目录 */
.page-privacy .pp-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(28px, 5vw, 56px);
  padding-bottom: clamp(40px, 7vw, 80px);
}

.page-privacy .pp-toc {
  border: 2px solid var(--navy);
  background: var(--bone);
  padding: 14px 16px;
}

.page-privacy .pp-toc__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--red-deep);
  margin: 0 0 10px;
}

.page-privacy .pp-toc ol {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
}

.page-privacy .pp-toc li {
  flex: 0 0 auto;
}

.page-privacy .pp-toc a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--navy);
  text-decoration: none;
  padding: 6px 10px;
  border: 1px solid var(--pp-line-strong);
  white-space: nowrap;
  transition: background var(--t) var(--ease), border-color var(--t) var(--ease), color var(--t) var(--ease);
}

.page-privacy .pp-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--red);
  font-weight: 700;
}

.page-privacy .pp-toc a:hover,
.page-privacy .pp-toc a:focus-visible {
  background: var(--red);
  border-color: var(--red-deep);
  color: var(--bone);
}

.page-privacy .pp-toc a:hover .pp-toc__num,
.page-privacy .pp-toc a:focus-visible .pp-toc__num {
  color: var(--bone);
}

.page-privacy .pp-toc a:focus-visible {
  outline: 3px solid var(--navy);
  outline-offset: 2px;
}

/* 章节 */
.page-privacy .pp-article {
  min-width: 0;
}

.page-privacy .pp-sec {
  scroll-margin-top: 24px;
  padding: clamp(20px, 3.5vw, 32px) 0;
  border-top: 1px solid var(--pp-line-strong);
  transition: background var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

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

.page-privacy .pp-sec:target {
  background: var(--sand);
  box-shadow: -14px 0 0 var(--red);
  padding-left: clamp(12px, 3vw, 22px);
  padding-right: clamp(12px, 3vw, 22px);
}

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

.page-privacy .pp-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--red-deep);
  letter-spacing: 0.04em;
  flex: 0 0 auto;
  border-bottom: 2px solid var(--red);
  padding-bottom: 1px;
}

.page-privacy .pp-sec h2 {
  font-family: var(--font-sans);
  font-weight: 900;
  letter-spacing: -0.03em;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.2;
  color: var(--ink);
  margin: 0;
}

/* 正文排版 */
.page-privacy .prose {
  color: var(--navy);
  font-size: 16px;
  line-height: 1.8;
}

.page-privacy .prose p {
  margin: 0 0 18px;
  max-width: 68ch;
}

.page-privacy .prose h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 26px 0 10px;
}

.page-privacy .prose ul {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  max-width: 68ch;
}

.page-privacy .prose ul li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
}

.page-privacy .prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 12px;
  height: 3px;
  background: var(--red);
}

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

/* 定义块 */
.page-privacy .pp-def {
  border: 2px solid var(--navy);
  background: var(--bone);
  padding: 16px 18px;
  margin: 0 0 22px;
  max-width: 68ch;
  box-shadow: 5px 5px 0 var(--sand);
  transition: box-shadow var(--t) var(--ease), transform var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-privacy .pp-def:hover {
  border-color: var(--red-deep);
  box-shadow: 7px 7px 0 var(--red-deep);
  transform: translate(-2px, -2px);
}

.page-privacy .pp-def__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
  margin: 0 0 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--pp-line-strong);
}

.page-privacy .pp-def p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--navy);
}

.page-privacy .pp-def--grass {
  border-color: var(--grass);
}

.page-privacy .pp-def--grass:hover {
  border-color: var(--grass);
  box-shadow: 7px 7px 0 var(--grass);
}

.page-privacy .pp-def--grass .pp-def__title {
  color: var(--grass);
}

/* 流向示意 */
.page-privacy .pp-flow {
  display: block;
  width: 100%;
  max-width: 68ch;
  height: auto;
  margin: 26px 0 6px;
  overflow: visible;
}

.page-privacy .pp-flow__node rect {
  fill: var(--bone);
  stroke: var(--navy);
  stroke-width: 2;
}

.page-privacy .pp-flow text {
  fill: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 700;
  text-anchor: middle;
}

.page-privacy .pp-flow .pp-flow__sub {
  fill: var(--steel);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
}

.page-privacy .pp-flow__arrow {
  stroke: var(--red);
  stroke-width: 2;
  fill: none;
}

.page-privacy .pp-flow__tip {
  fill: var(--red);
}

/* 联络块 */
.page-privacy .pp-contact {
  background: var(--navy);
  color: var(--bone);
  border-left: 8px solid var(--red);
  padding: 20px 20px 22px;
  margin: 26px 0 22px;
  max-width: 68ch;
}

.page-privacy .pp-contact__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sand);
  margin: 0 0 6px;
}

.page-privacy .pp-contact__mail {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  font-weight: 700;
  color: var(--bone);
  margin: 0 0 14px;
  word-break: break-all;
}

.page-privacy .pp-contact__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-privacy .pp-contact__note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--sand);
  margin: 14px 0 0;
}

/* 相关页面 */
.page-privacy .pp-next {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 2px solid var(--ink);
}

/* 桌面 */
@media (min-width: 960px) {
  .page-privacy .pp-keyline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-privacy .pp-body {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

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

  .page-privacy .pp-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 24px;
    padding: 18px 20px;
    box-shadow: var(--shadow-hard);
  }

  .page-privacy .pp-toc ol {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .pp-toc li + li {
    margin-top: 2px;
  }

  .page-privacy .pp-toc a {
    border: 0;
    border-left: 3px solid var(--pp-line-strong);
    padding: 7px 10px;
    white-space: normal;
    line-height: 1.4;
  }

  .page-privacy .pp-toc a:hover,
  .page-privacy .pp-toc a:focus-visible {
    background: transparent;
    border-left-color: var(--red);
    color: var(--red-deep);
  }

  .page-privacy .pp-toc a:hover .pp-toc__num,
  .page-privacy .pp-toc a:focus-visible .pp-toc__num {
    color: var(--red);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-def,
  .page-privacy .pp-toc a,
  .page-privacy .pp-sec {
    transition: none;
  }

  .page-privacy .pp-def:hover {
    transform: none;
  }
}
<<<END>>>