.page-privacy {
  --pp-toc-gap: 0.75rem;
  --pp-chapter-space: clamp(2.5rem, 6vw, 5rem);
}

/* 首屏 */
.page-privacy .pp-hero {
  position: relative;
  border-bottom: 1px solid var(--c-grid);
  background:
    linear-gradient(160deg, transparent 72%, rgba(255, 107, 53, 0.08) 72%),
    var(--c-bg);
}
.page-privacy .pp-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 2.5rem 0;
}
.page-privacy .pp-hero__content .bs-crumb {
  margin: 0 0 1.25rem;
}
.page-privacy .pp-hero__note {
  font-family: var(--bs-font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-neon);
  margin: 0 0 0.5rem;
}
.page-privacy .pp-hero h1 {
  font-family: var(--bs-font-serif);
  font-weight: 900;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  color: var(--c-text);
  letter-spacing: 0.02em;
}
.page-privacy .pp-hero__lead {
  max-width: 46em;
  margin: 0 0 1.5rem;
  color: var(--c-text-2);
  font-size: 1rem;
  line-height: 1.8;
}
.page-privacy .pp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}
.page-privacy .pp-hero__visual {
  position: relative;
  border: 1px solid var(--c-grid);
  background: var(--c-panel);
  padding: 0.75rem;
}
.page-privacy .pp-hero__visual::after {
  content: "SECURE / DATA";
  position: absolute;
  right: -1px;
  bottom: -1px;
  padding: 0.4rem 0.65rem;
  background: var(--c-neon);
  color: var(--c-bg);
  font-family: var(--bs-font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.page-privacy .pp-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 斜切分隔 */
.page-privacy .pp-slash {
  height: 6px;
  background: linear-gradient(115deg, var(--c-neon) 0%, var(--c-grid) 40%, transparent 40.1%, transparent 60%, var(--c-orange) 60.1%, var(--c-orange) 100%);
  border-top: 1px solid var(--c-grid);
  border-bottom: 1px solid var(--c-grid);
}

/* 章节索引 */
.page-privacy .pp-toc {
  background: var(--c-panel);
  border-bottom: 1px solid var(--c-grid);
}
.page-privacy .pp-toc__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0 0.6rem;
  border-bottom: 1px solid var(--c-grid);
}
.page-privacy .pp-toc__label {
  font-family: var(--bs-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-3);
}
.page-privacy .pp-toc__coord {
  font-family: var(--bs-font-mono);
  font-size: 0.7rem;
  color: var(--c-text-3);
  letter-spacing: 0.08em;
}
.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0 -1.25rem;
  padding: 0 1.25rem;
  display: flex;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-privacy .pp-toc__list li {
  flex-shrink: 0;
}
.page-privacy .pp-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.9rem 0.65rem;
  color: var(--c-text-2);
  text-decoration: none;
  border-right: 1px solid var(--c-grid);
  font-size: 0.9rem;
  white-space: nowrap;
  transition: color 0.2s ease, background-color 0.2s ease;
}
.page-privacy .pp-toc__list a:hover,
.page-privacy .pp-toc__list a:focus {
  color: var(--c-neon);
  background: rgba(0, 230, 118, 0.06);
}
.page-privacy .pp-toc__num {
  font-family: var(--bs-font-mono);
  font-size: 0.72rem;
  color: var(--c-neon);
}

/* 正文面板 */
.page-privacy .pp-body {
  background: var(--c-bg);
}
.page-privacy .pp-section {
  border-bottom: 1px solid var(--c-grid);
  scroll-margin-top: calc(var(--bs-nav-h) + 1rem);
}
.page-privacy .pp-section:nth-of-type(even) {
  background: rgba(20, 39, 62, 0.45);
}
.page-privacy .pp-section:target .pp-section__side h2 {
  color: var(--c-neon);
}
.page-privacy .pp-section__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  padding: 2.5rem 0;
}
.page-privacy .pp-section__side {
  border-left: 3px solid var(--c-neon);
  padding-left: 1rem;
}
.page-privacy .pp-section__num {
  display: block;
  font-family: var(--bs-font-mono);
  font-size: 2rem;
  line-height: 1;
  color: var(--c-neon);
  margin-bottom: 0.5rem;
}
.page-privacy .pp-section__side h2 {
  font-family: var(--bs-font-serif);
  font-weight: 900;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  line-height: 1.25;
  color: var(--c-text);
  margin: 0 0 0.4rem;
  transition: color 0.3s ease;
}
.page-privacy .pp-section__side-note {
  font-family: var(--bs-font-sans);
  font-size: 0.85rem;
  color: var(--c-text-3);
  margin: 0;
}
.page-privacy .pp-section__main {
  min-width: 0;
}
.page-privacy .pp-section__lead {
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--c-text-2);
  margin: 0 0 1.5rem;
  max-width: 52em;
}
.page-privacy .pp-section__main a {
  color: var(--c-link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 卡片与列表 */
.page-privacy .pp-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-privacy .pp-card {
  position: relative;
  background: var(--c-panel);
  border: 1px solid var(--c-grid);
  padding: 1.25rem;
}
.page-privacy .pp-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 20px;
  height: 20px;
  border-top: 2px solid var(--c-neon);
  border-left: 2px solid var(--c-neon);
}
.page-privacy .pp-card__title {
  font-family: var(--bs-font-serif);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--c-text);
  margin: 0 0 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--c-grid);
}
.page-privacy .pp-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-privacy .pp-list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--c-text-2);
  font-size: 0.93rem;
  line-height: 1.7;
  margin-bottom: 0.45rem;
}
.page-privacy .pp-list li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--c-neon);
  font-family: var(--bs-font-mono);
}
.page-privacy .pp-list li:last-child {
  margin-bottom: 0;
}
.page-privacy .pp-divider {
  border-top: 1px solid var(--c-grid);
  margin: 1.25rem 0;
}

/* 提示块 */
.page-privacy .pp-callout {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--c-grid);
  background: rgba(0, 230, 118, 0.06);
}
.page-privacy .pp-callout__mark {
  font-family: var(--bs-font-mono);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--c-neon);
}
.page-privacy .pp-callout p {
  margin: 0;
  color: var(--c-text-2);
  font-size: 0.93rem;
  line-height: 1.7;
}
.page-privacy .pp-callout--warn {
  background: rgba(255, 209, 102, 0.05);
}
.page-privacy .pp-callout--warn .pp-callout__mark {
  color: var(--c-warn);
}

/* 使用列表 */
.page-privacy .pp-usage-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-privacy .pp-usage-list li {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--c-panel);
  border: 1px solid var(--c-grid);
}
.page-privacy .pp-usage-list__num {
  font-family: var(--bs-font-mono);
  font-size: 1.4rem;
  line-height: 1;
  color: var(--c-orange);
}
.page-privacy .pp-usage-list h3 {
  font-family: var(--bs-font-serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-text);
  margin: 0 0 0.3rem;
}
.page-privacy .pp-usage-list p {
  margin: 0;
  color: var(--c-text-2);
  font-size: 0.9rem;
  line-height: 1.6;
}
.page-privacy .pp-tiny-note {
  margin: 0 0 1.25rem;
  padding-left: 0.75rem;
  border-left: 2px solid var(--c-grid);
  color: var(--c-text-3);
  font-size: 0.86rem;
  line-height: 1.65;
}

/* 数据流示意 */
.page-privacy .pp-flow {
  border: 1px solid var(--c-grid);
  background: var(--c-panel);
  padding: 1.25rem 1.25rem 1rem;
  overflow-x: auto;
}
.page-privacy .pp-flow__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--bs-font-serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-text);
  margin: 0 0 0.9rem;
}
.page-privacy .pp-flow__title::before {
  content: "→";
  color: var(--c-neon);
  font-family: var(--bs-font-mono);
}
.page-privacy .pp-flow__svg {
  display: block;
  min-width: 640px;
  width: 100%;
  height: auto;
}
.page-privacy .pp-flow__label {
  fill: var(--c-text);
  font-family: var(--bs-font-sans);
  font-size: 14px;
  font-weight: 700;
}
.page-privacy .pp-flow__sub {
  fill: var(--c-text-3);
  font-family: var(--bs-font-sans);
  font-size: 11px;
}

/* 存储保护 */
.page-privacy .pp-storage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.page-privacy .pp-storage-item {
  background: var(--c-panel);
  border: 1px solid var(--c-grid);
  padding: 1.25rem;
}
.page-privacy .pp-storage-item__icon {
  display: inline-block;
  font-family: var(--bs-font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--c-neon);
  margin-bottom: 0.45rem;
}
.page-privacy .pp-storage-item h3 {
  font-family: var(--bs-font-serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-text);
  margin: 0 0 0.3rem;
}
.page-privacy .pp-storage-item p {
  margin: 0;
  color: var(--c-text-2);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* 用户权利 */
.page-privacy .pp-rights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-privacy .pp-rights-card {
  position: relative;
  background: var(--c-panel);
  border: 1px solid var(--c-grid);
  padding: 1.25rem;
}
.page-privacy .pp-rights-card__code {
  display: inline-block;
  font-family: var(--bs-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--c-text-3);
  margin-bottom: 0.5rem;
}
.page-privacy .pp-rights-card h3 {
  font-family: var(--bs-font-serif);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--c-text);
  margin: 0 0 0.35rem;
}
.page-privacy .pp-rights-card p {
  margin: 0;
  color: var(--c-text-2);
  font-size: 0.9rem;
  line-height: 1.6;
}
.page-privacy .pp-rights-card--act {
  border-color: var(--c-orange);
}
.page-privacy .pp-rights-card--act .pp-rights-card__code {
  color: var(--c-orange);
}

/* 联系我们 */
.page-privacy .pp-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.page-privacy .pp-contact-grid > div {
  background: var(--c-panel);
  border: 1px solid var(--c-grid);
  padding: 1.25rem;
}
.page-privacy .pp-contact-grid h3 {
  font-family: var(--bs-font-serif);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-text);
  margin: 0 0 0.5rem;
}
.page-privacy .pp-contact-email {
  font-family: var(--bs-font-mono);
  font-size: 0.98rem;
  color: var(--c-neon);
  margin: 0 0 0.4rem;
  word-break: break-all;
}
.page-privacy .pp-contact-grid p:last-child {
  margin: 0;
  color: var(--c-text-2);
  font-size: 0.9rem;
  line-height: 1.6;
}
.page-privacy .pp-contact-note {
  margin: 0 0 1.5rem;
  color: var(--c-text-2);
  font-size: 0.9rem;
  line-height: 1.7;
}
.page-privacy .pp-icp-row {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  border-top: 1px solid var(--c-grid);
  padding-top: 1rem;
}
.page-privacy .pp-icp-row .bs-dot {
  margin-top: 0.45rem;
}
.page-privacy .pp-icp-row p {
  margin: 0;
  color: var(--c-text-3);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* 页尾导航 */
.page-privacy .pp-endnote {
  background: var(--c-footer);
  border-bottom: 1px solid var(--c-grid);
}
.page-privacy .pp-endnote__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
}
.page-privacy .pp-endnote__link {
  display: inline-block;
  color: var(--c-text-2);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  padding: 0.3rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-privacy .pp-endnote__link:hover,
.page-privacy .pp-endnote__link:focus {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
}
.page-privacy .pp-endnote__top {
  margin-left: auto;
  font-family: var(--bs-font-mono);
  font-size: 0.82rem;
  color: var(--c-text-3);
}

/* 平板与桌面布局 */
@media (min-width: 768px) {
  .page-privacy .pp-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
  .page-privacy .pp-storage-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-privacy .pp-rights-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-privacy .pp-contact-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-privacy .pp-usage-list {
    grid-template-columns: 1fr 1fr;
  }
  .page-privacy .pp-toc__head {
    border-bottom: none;
  }
  .page-privacy .pp-toc__list {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    margin: 0;
    padding: 0;
    overflow: visible;
  }
  .page-privacy .pp-toc__list li {
    flex-shrink: 1;
  }
  .page-privacy .pp-toc__list a {
    padding: 1rem 0.8rem;
    border-right: none;
    border-bottom: 2px solid transparent;
  }
  .page-privacy .pp-toc__list a:hover,
  .page-privacy .pp-toc__list a:focus {
    border-bottom-color: var(--c-neon);
    background: transparent;
  }
}

@media (min-width: 900px) {
  .page-privacy .pp-hero__inner {
    grid-template-columns: 7fr 5fr;
    gap: 3rem;
    align-items: center;
    padding: 4.5rem 0;
  }
  .page-privacy .pp-section__grid {
    grid-template-columns: 260px 1fr;
    gap: 3rem;
    padding: 4rem 1rem;
  }
  .page-privacy .pp-section__side {
    position: sticky;
    top: calc(var(--bs-nav-h) + 1.5rem);
    align-self: start;
    border-left: none;
    border-top: 3px solid var(--c-neon);
    padding: 1rem 0 0;
  }
  .page-privacy .pp-section__num {
    font-size: 2.4rem;
  }
  .page-privacy .pp-flow {
    padding-right: 1.5rem;
  }
}