.page-privacy {
  --privacy-measure: 62ch;
  --privacy-rail-w: 40px;
  background: var(--paper);
  color: var(--char);
}

.page-privacy a:focus-visible,
.page-privacy button:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

/* 首屏 */
.page-privacy .privacy-hero {
  background-color: var(--ink);
  background-image:
    linear-gradient(var(--grid-ink) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-ink) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  color: var(--paper);
  padding: 26px 0 36px;
  border-radius: 0 0 var(--r-lg) var(--r-lg);
}

.page-privacy .privacy-crumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 26px;
  padding: 0;
  font-size: 13px;
}

.page-privacy .privacy-crumbs li {
  color: rgba(246, 241, 231, 0.62);
}

.page-privacy .privacy-crumbs li + li::before {
  content: "／";
  margin-right: 6px;
  color: rgba(246, 241, 231, 0.3);
}

.page-privacy .privacy-crumbs a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line-teal);
}

.page-privacy .privacy-crumbs a:hover {
  color: var(--teal);
}

.page-privacy .privacy-hero-grid {
  display: grid;
  gap: 22px;
}

.page-privacy .privacy-hero-coord {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-privacy .privacy-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(28px, 5.2vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-privacy .privacy-lede {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: rgba(246, 241, 231, 0.84);
}

.page-privacy .privacy-hero-meta {
  display: grid;
  gap: 8px;
  align-content: end;
}

.page-privacy .privacy-hero-meta p {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal);
  border-left: 2px solid var(--line-teal);
  padding-left: 10px;
  overflow-wrap: anywhere;
}

.page-privacy .privacy-band {
  margin: 28px 0 0;
  height: 130px;
  border-radius: var(--r);
  overflow: hidden;
  background: var(--ink-2);
}

.page-privacy .privacy-band img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.72;
  mix-blend-mode: screen;
}

/* 章节索引 */
.page-privacy .privacy-index {
  padding: 38px 0 10px;
}

.page-privacy .privacy-index-title {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-privacy .privacy-index-title::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 2px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--signal);
}

.page-privacy .privacy-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

.page-privacy .privacy-index-link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 18px;
  border-radius: var(--pill);
  background: var(--paper-2);
  color: var(--char);
  text-decoration: none;
  font-size: 15px;
  transition: transform 0.12s var(--ease), box-shadow 0.12s var(--ease),
    background-color 0.12s var(--ease);
}

.page-privacy .privacy-index-link .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--signal);
}

.page-privacy .privacy-index-link:hover,
.page-privacy .privacy-index-link:focus-visible {
  transform: translateY(-2px);
  background: #fff;
  box-shadow: 0 14px 24px -20px rgba(14, 27, 43, 0.8);
}

/* 正文阅读区 */
.page-privacy .privacy-read {
  padding: 20px 0 56px;
}

.page-privacy .privacy-layout {
  display: grid;
  gap: 0;
}

.page-privacy .privacy-main {
  max-width: 760px;
}

.page-privacy .privacy-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 30px 0 24px;
  border-top: 1px solid var(--line-ink);
  scroll-margin-top: 96px;
}

.page-privacy .privacy-section:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-privacy .privacy-section-num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-privacy .privacy-section h2 {
  margin: 4px 0 14px;
  font-size: clamp(21px, 3vw, 27px);
  line-height: 1.32;
  letter-spacing: -0.005em;
  font-weight: 800;
}

.page-privacy .privacy-section p {
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.8;
}

.page-privacy .privacy-section p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-section a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--signal);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-privacy .privacy-section a:hover {
  color: var(--signal);
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 26px;
  font-size: 16px;
  line-height: 1.76;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0.8em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(23, 227, 168, 0.14);
}

.page-privacy .privacy-steps {
  list-style: none;
  counter-reset: privacy-step;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-steps > li {
  counter-increment: privacy-step;
  position: relative;
  padding-left: 46px;
  font-size: 16px;
  line-height: 1.76;
}

.page-privacy .privacy-steps > li::before {
  content: counter(privacy-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: var(--teal);
  border-radius: var(--pill);
  padding: 3px 8px;
}

.page-privacy .privacy-key {
  background: #fff;
  border-left: 3px solid var(--teal);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 16px 18px;
  margin: 18px 0 6px;
  box-shadow: 0 16px 28px -24px rgba(14, 27, 43, 0.85);
}

.page-privacy .privacy-key p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
}

.page-privacy .privacy-code {
  display: inline-block;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  background: var(--ink);
  color: var(--teal);
  padding: 4px 11px;
  border-radius: var(--pill);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0 0 12px;
}

.page-privacy .privacy-contact-line .mono {
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-contact-line .copy-btn {
  flex: 0 0 auto;
}

.page-privacy .privacy-contact-line .copy-btn:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.page-privacy .copy-status {
  min-height: 1em;
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* 右侧阅读坐标线 */
.page-privacy .privacy-rail {
  display: none;
}

.page-privacy .privacy-rail-fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleY(0);
  transform-origin: top center;
  background: linear-gradient(var(--teal), var(--signal));
}

@keyframes privacy-rail-grow {
  from {
    transform: scaleY(0);
  }
  to {
    transform: scaleY(1);
  }
}

@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    .page-privacy .privacy-rail-fill {
      animation: privacy-rail-grow linear both;
      animation-timeline: scroll(root block);
    }
  }
}

/* 页尾条带 */
.page-privacy .privacy-foot {
  background: var(--paper-2);
  border-top: 1px solid var(--line-ink);
  padding: 30px 0 44px;
}

.page-privacy .privacy-foot-inner {
  display: grid;
  gap: 16px;
}

.page-privacy .privacy-foot-text {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-privacy .privacy-foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
}

/* 断点 */
@media (min-width: 560px) {
  .page-privacy .privacy-band {
    height: 158px;
  }
}

@media (min-width: 640px) {
  .page-privacy .privacy-index-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-privacy .privacy-section {
    grid-template-columns: 64px minmax(0, 1fr);
    column-gap: 20px;
    padding: 36px 0 30px;
  }

  .page-privacy .privacy-section-num {
    text-align: right;
    padding-top: 0.58em;
  }

  .page-privacy .privacy-section h2 {
    margin-top: 0;
  }
}

@media (min-width: 860px) {
  .page-privacy .privacy-hero {
    padding: 32px 0 48px;
  }

  .page-privacy .privacy-hero-grid {
    grid-template-columns: minmax(0, 1fr) 230px;
    align-items: end;
    gap: 40px;
  }

  .page-privacy .privacy-band {
    height: 172px;
  }

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

@media (min-width: 1000px) {
  .page-privacy .privacy-index-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) var(--privacy-rail-w);
    column-gap: 56px;
    align-items: start;
  }

  .page-privacy .privacy-rail {
    display: block;
  }

  .page-privacy .privacy-rail-line {
    position: sticky;
    top: 120px;
    display: block;
    width: 2px;
    height: 320px;
    margin-left: auto;
    border-radius: var(--pill);
    overflow: hidden;
    background: var(--line-ink);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index-link {
    transition: none;
  }

  .page-privacy .privacy-index-link:hover,
  .page-privacy .privacy-index-link:focus-visible {
    transform: none;
  }
}
<<<END>>>