.page-privacy {
  --pp-line: rgba(6, 26, 43, .16);
  --pp-line-dark: rgba(242, 246, 247, .16);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(to right, rgba(74, 101, 114, .16) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(74, 101, 114, .16) 1px, transparent 1px);
  background-size: 96px 96px;
  color: var(--paper-100);
  padding-bottom: 72px;
  overflow-x: hidden;
}

.page-privacy .blueprint-meta {
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .breadcrumb {
  margin-top: 18px;
}

.page-privacy .breadcrumb-list a {
  color: var(--accent-200);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.page-privacy .breadcrumb-list a:hover,
.page-privacy .breadcrumb-list a:focus-visible {
  color: var(--accent-400);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 首屏 ---------- */
.privacy-hero {
  display: grid;
  gap: 26px;
  padding-block: 28px 40px;
  border-bottom: 1px solid var(--line-soft);
}

.privacy-hero__copy .annotation {
  color: var(--accent-400);
  margin: 0 0 12px;
}

.privacy-hero h1 {
  margin: 0;
  font-size: clamp(30px, 6vw, 58px);
  line-height: 1.08;
  letter-spacing: -.01em;
  font-weight: 900;
  color: var(--paper-100);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-hero .lede {
  margin: 18px 0 0;
  max-width: 36em;
  color: var(--mist-300);
}

.privacy-hero__figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  background-color: var(--ink-700);
  background-image:
    linear-gradient(to right, rgba(74, 101, 114, .3) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(74, 101, 114, .3) 1px, transparent 1px);
  background-size: 32px 32px;
  overflow: hidden;
}

.privacy-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 文档骨架 ---------- */
.doc-shell {
  margin-top: 36px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  background: var(--paper-100);
  border: 1px solid var(--line-soft);
  color: var(--ink-900);
}

/* ---------- 左侧索引 ---------- */
.doc-rail {
  padding: 20px 18px 18px;
  background: var(--ink-700);
  border-bottom: 1px solid var(--line-soft);
  color: var(--paper-100);
}

.doc-rail .annotation {
  color: var(--accent-200);
  margin: 0 0 12px;
}

.doc-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 4px;
}

.doc-toc__link {
  display: block;
  padding: 7px 10px 7px 12px;
  border-left: 2px solid transparent;
  color: var(--mist-300);
  font-size: 14px;
  line-height: 1.3;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.doc-toc__link:hover,
.doc-toc__link:focus-visible {
  color: var(--paper-100);
  border-left-color: var(--accent-200);
}

.doc-toc__link[aria-current="true"] {
  color: var(--accent-400);
  border-left-color: var(--accent-400);
}

/* ---------- 正文 ---------- */
.doc-body {
  padding: 4px 20px 40px;
  min-width: 0;
}

.doc-sec {
  padding-block: 30px;
  border-bottom: 1px solid var(--pp-line);
  scroll-margin-top: 20px;
}

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

.doc-sec__num {
  color: var(--coral-500);
  font-size: 12px;
  letter-spacing: .18em;
  flex: none;
}

.doc-sec__title {
  margin: 0;
  font-size: clamp(19px, 3.4vw, 27px);
  line-height: 1.32;
  letter-spacing: -.01em;
  font-weight: 800;
  color: var(--ink-900);
  overflow-wrap: anywhere;
}

.page-privacy .doc-body .prose {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-900);
}

.page-privacy .doc-body .prose p {
  margin: 0 0 14px;
}

.page-privacy .doc-body .prose p:last-child {
  margin-bottom: 0;
}

.page-privacy .doc-body .prose a {
  color: var(--teal-600);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  transition: color var(--t-fast) var(--ease);
}

.page-privacy .doc-body .prose a:hover,
.page-privacy .doc-body .prose a:focus-visible {
  color: var(--wine-700);
}

/* ---------- 字段列表 ---------- */
.field-list {
  margin: 22px 0 0;
  display: grid;
  gap: 1px;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
}

.field-item {
  background: var(--paper-100);
  padding: 14px 16px;
  transition: background-color var(--t-fast) var(--ease);
}

.field-item:hover {
  background: rgba(61, 224, 200, .08);
}

.field-item__key {
  display: block;
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--teal-600);
}

.field-item__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-700);
}

/* ---------- 用途列表 ---------- */
.aim-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.aim-item {
  position: relative;
  padding-left: 20px;
  max-width: 68ch;
}

.aim-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--teal-600);
  transition: background-color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.aim-item:hover::before {
  background: var(--coral-500);
  border-color: var(--coral-500);
}

.aim-item__k {
  margin: 0 0 4px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--teal-600);
}

.aim-item__v {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-700);
}

/* ---------- Cookie 展开 ---------- */
.cookie-detail {
  margin: 22px 0 0;
  border: 1px solid var(--line-soft);
  background: var(--ink-700);
  color: var(--paper-100);
}

.cookie-detail__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--accent-400);
}

.cookie-detail__summary::-webkit-details-marker {
  display: none;
}

.cookie-detail__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
}

.cookie-detail[open] .cookie-detail__summary::after {
  content: "\2013";
}

.cookie-detail__summary:focus-visible {
  outline: 2px solid var(--accent-400);
  outline-offset: -2px;
}

.cookie-detail__list {
  list-style: none;
  margin: 0;
  padding: 0 16px 10px;
}

.cookie-detail__item {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--pp-line-dark);
}

.cookie-detail__name {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--accent-200);
}

.cookie-detail__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist-300);
}

/* ---------- 数据流向 ---------- */
.flow {
  margin-top: 22px;
  padding: 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  background: var(--teal-600);
  border: 1px solid var(--line-soft);
  color: var(--paper-100);
}

.flow__node {
  padding: 6px 0;
}

.flow__eyebrow {
  display: block;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--accent-200);
  margin-bottom: 6px;
}

.flow__label {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper-100);
}

.flow__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist-300);
}

.flow__arrow {
  position: relative;
  display: block;
  height: 30px;
}

.flow__arrow::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  bottom: 9px;
  width: 1px;
  background: var(--accent-400);
  transform: translateX(-50%);
}

.flow__arrow::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 8px solid var(--accent-400);
  transform: translateX(-50%);
}

/* ---------- 权利区块 ---------- */
.doc-sec--ink {
  margin-inline: -20px;
  padding: 28px 20px 30px;
  background: var(--ink-700);
  border-bottom: 0;
}

.page-privacy .doc-sec--ink .doc-sec__title {
  color: var(--paper-100);
}

.page-privacy .doc-sec--ink .prose {
  color: var(--mist-300);
}

.page-privacy .doc-sec--ink .prose a {
  color: var(--accent-400);
}

.page-privacy .doc-sec--ink .prose a:hover,
.page-privacy .doc-sec--ink .prose a:focus-visible {
  color: var(--accent-200);
}

.rights-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pp-line-dark);
  border: 1px solid var(--pp-line-dark);
}

.rights-item {
  background: var(--ink-700);
  padding: 13px 14px;
}

.rights-item__k {
  display: block;
  margin-bottom: 5px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--coral-500);
}

.rights-item__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper-100);
}

.rights-note {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist-300);
}

.rights-note a {
  color: var(--accent-400);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.rights-note a:hover,
.rights-note a:focus-visible {
  color: var(--accent-200);
}

/* ---------- 延伸入口 ---------- */
.doc-links {
  padding: 26px 0 6px;
  border-top: 1px solid var(--pp-line);
}

.doc-links .annotation {
  color: var(--line-500);
  margin: 0;
}

.doc-links__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}

.doc-links__item {
  border-bottom: 1px solid var(--pp-line);
}

.doc-links__item:last-child {
  border-bottom: 0;
}

.doc-links__item a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 2px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-900);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), padding-left var(--t-fast) var(--ease);
}

.doc-links__item a::after {
  content: "\2192";
  flex: none;
  font-family: var(--font-mono);
  color: var(--coral-500);
}

.doc-links__item a:hover,
.doc-links__item a:focus-visible {
  color: var(--teal-600);
  padding-left: 8px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-privacy {
    padding-bottom: 96px;
  }

  .privacy-hero {
    grid-template-columns: 1.15fr .85fr;
    align-items: end;
    gap: 40px;
    padding-block: 40px 52px;
  }

  .cookie-detail__item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .flow {
    grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr) 44px minmax(0, 1fr);
    align-items: stretch;
    padding: 22px;
  }

  .flow__node {
    padding: 4px 0;
  }

  .flow__arrow {
    height: auto;
  }

  .flow__arrow::before {
    left: 0;
    right: 10px;
    top: 50%;
    bottom: auto;
    width: auto;
    height: 1px;
    transform: translateY(-50%);
  }

  .flow__arrow::after {
    left: auto;
    right: 0;
    top: 50%;
    bottom: auto;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 8px solid var(--accent-400);
    border-right: 0;
    transform: translateY(-50%);
  }

  .rights-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .doc-links__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }
}

/* ---------- 桌面：固定索引 + 正文 ---------- */
@media (min-width: 1000px) {
  .doc-shell {
    grid-template-columns: 248px minmax(0, 1fr);
    margin-top: 44px;
  }

  .doc-rail {
    position: sticky;
    top: 0;
    align-self: start;
    max-height: 100vh;
    padding: 30px 22px;
    border-bottom: 0;
    border-right: 1px solid var(--line-soft);
  }

  .doc-toc {
    flex-direction: column;
    gap: 2px;
  }

  .doc-toc__link {
    padding: 9px 10px 9px 14px;
  }

  .doc-body {
    padding: 20px 48px 56px;
  }

  .doc-sec {
    padding-block: 40px;
  }

  .doc-sec--ink {
    margin-inline: -48px;
    padding: 36px 48px 40px;
  }

  .field-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rights-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .privacy-hero {
    gap: 56px;
    padding-block: 52px 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy * {
    transition-duration: 0ms !important;
  }
}
<<<END>>>