.page-privacy {
  --pp-hairline: rgba(223, 232, 241, 0.16);
  --pp-hairline-strong: rgba(223, 232, 241, 0.30);
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  padding: 64px 0 76px;
  background: linear-gradient(158deg, var(--mb-cobalt) 0%, var(--mb-deep) 72%);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 30px));
  overflow: hidden;
}

.page-privacy .pp-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-privacy .pp-hero__inner .mb-h1 {
  max-width: 840px;
  margin: 0;
  color: var(--mb-snow);
}

.page-privacy .pp-hero__inner .mb-lede {
  max-width: 660px;
  margin: 0;
  color: var(--mb-glacier);
  line-height: 1.78;
}

/* 面包屑 */
.page-privacy .mb-crumbs,
.page-privacy .mb-crumbs__list {
  font-size: 13px;
}

.page-privacy .mb-crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  color: var(--mb-kaolin);
}

.page-privacy .mb-crumbs__list li {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-privacy .mb-crumbs__list li + li::before {
  content: "/";
  color: var(--mb-kaolin);
  opacity: 0.6;
}

.page-privacy .mb-crumbs__list a {
  color: var(--mb-glacier);
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-privacy .mb-crumbs__list a:hover,
.page-privacy .mb-crumbs__list a:focus-visible {
  color: var(--mb-cyan);
}

/* 首屏元信息 */
.page-privacy .pp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--mb-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--mb-snow);
}

.page-privacy .pp-hero__meta > li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-privacy .pp-hero__metak {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mb-cyan);
}

/* 首屏装饰图 */
.page-privacy .pp-hero__figurewrap {
  margin-top: 40px;
}

.page-privacy .pp-figure {
  margin: 0;
  border: 2px solid var(--mb-ink);
  box-shadow: var(--mb-shadow-lg);
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(140deg, var(--mb-cobalt), var(--mb-violet));
}

.page-privacy .pp-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 主体网格 ---------- */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding-top: 36px;
  padding-bottom: 48px;
}

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

/* ---------- 条款 ---------- */
.page-privacy .pp-clause {
  position: relative;
  padding-top: 32px;
  padding-bottom: 36px;
  border-top: 1px solid var(--pp-hairline);
  scroll-margin-top: 110px;
}

.page-privacy .pp-clause--key {
  border-top: 0;
  padding: 30px 20px 34px;
  background: linear-gradient(135deg, rgba(34, 224, 190, 0.11), rgba(34, 224, 190, 0.02) 62%, transparent);
  box-shadow: inset 4px 0 0 var(--mb-cyan);
}

.page-privacy .pp-clause__num {
  margin: 0 0 8px;
  font-family: var(--mb-font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--mb-cyan);
}

.page-privacy .pp-clause__num::after {
  content: "";
  display: inline-block;
  width: 34px;
  height: 3px;
  margin-left: 12px;
  vertical-align: middle;
  background: var(--mb-cyan);
}

.page-privacy .pp-clause__title {
  margin: 0 0 18px;
  color: var(--mb-snow);
}

.page-privacy .pp-clause__body > p {
  margin: 0 0 16px;
  max-width: 68ch;
  color: var(--mb-snow);
  line-height: 1.78;
}

.page-privacy .pp-clause__body a {
  color: var(--mb-cyan);
  text-underline-offset: 3px;
}

.page-privacy .pp-clause__body a:hover,
.page-privacy .pp-clause__body a:focus-visible {
  color: var(--mb-snow);
}

/* 条目列表 */
.page-privacy .pp-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 14px;
  max-width: 68ch;
}

.page-privacy .pp-list > li {
  position: relative;
  padding-left: 22px;
  color: var(--mb-snow);
  line-height: 1.78;
}

.page-privacy .pp-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 9px;
  height: 2px;
  background: var(--mb-cyan);
}

.page-privacy .pp-list strong {
  color: var(--mb-snow);
  font-weight: 700;
}

/* 用途步骤卡 */
.page-privacy .pp-steps {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 68ch;
}

.page-privacy .pp-step {
  padding: 16px 18px 15px;
  border: 1px solid var(--pp-hairline-strong);
  box-shadow: inset 3px 0 0 var(--mb-violet);
  background: rgba(10, 27, 46, 0.62);
}

.page-privacy .pp-step__idx {
  display: block;
  margin-bottom: 6px;
  font-family: var(--mb-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--mb-violet);
}

.page-privacy .pp-step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--mb-snow);
}

.page-privacy .pp-step p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--mb-snow);
}

/* 保存期限列表 */
.page-privacy .pp-durations {
  margin: 0 0 18px;
  padding: 0;
  max-width: 68ch;
  border-top: 1px solid var(--pp-hairline);
}

.page-privacy .pp-duration {
  padding: 15px 0;
  border-bottom: 1px solid var(--pp-hairline);
}

.page-privacy .pp-duration dt {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--mb-snow);
}

.page-privacy .pp-duration dt::before {
  content: "";
  flex: none;
  width: 3px;
  height: 14px;
  background: var(--mb-cyan);
}

.page-privacy .pp-duration dd {
  margin: 0 0 0 12px;
  color: var(--mb-snow);
  line-height: 1.76;
}

/* 折叠补充 */
.page-privacy .pp-details {
  max-width: 68ch;
  margin: 0 0 18px;
  border: 1px solid var(--pp-hairline-strong);
  background: rgba(10, 27, 46, 0.62);
}

.page-privacy .pp-details summary {
  position: relative;
  padding: 14px 46px 14px 16px;
  font-size: 15px;
  font-weight: 700;
  color: var(--mb-snow);
  cursor: pointer;
  list-style: none;
}

.page-privacy .pp-details summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pp-details summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--mb-font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--mb-cyan);
}

.page-privacy .pp-details[open] summary::after {
  content: "–";
}

.page-privacy .pp-details p {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--mb-snow);
  line-height: 1.76;
}

/* ---------- 条款目录 ---------- */
.page-privacy .pp-toc {
  order: -1;
  padding: 16px;
  border: 2px solid var(--pp-hairline-strong);
  background: rgba(18, 41, 63, 0.72);
}

.page-privacy .pp-toc__title {
  margin: 0 0 12px;
  font-family: var(--mb-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mb-cyan);
}

.page-privacy .pp-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .pp-toc__item {
  flex: none;
}

.page-privacy .pp-toc__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--mb-glacier);
  text-decoration: none;
  border: 1px solid var(--pp-hairline);
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--mb-snow);
  border-color: var(--mb-cyan);
  background: rgba(34, 224, 190, 0.09);
}

.page-privacy .pp-toc__num {
  font-family: var(--mb-font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--mb-cyan);
}

/* ---------- 页脚注释 ---------- */
.page-privacy .pp-footnote {
  padding-bottom: 56px;
}

.page-privacy .pp-footnote p {
  max-width: 68ch;
  margin: 0 0 14px;
  color: var(--mb-kaolin);
  line-height: 1.76;
}

.page-privacy .pp-footnote a {
  color: var(--mb-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pp-footnote a:hover,
.page-privacy .pp-footnote a:focus-visible {
  color: var(--mb-snow);
}

.page-privacy .pp-footnote__icp {
  margin: 0;
  font-family: var(--mb-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mb-kaolin);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 768px) {
  .page-privacy .pp-hero {
    padding: 84px 0 92px;
  }

  .page-privacy .pp-figure {
    aspect-ratio: 21 / 9;
  }

  .page-privacy .pp-clause {
    padding-top: 38px;
    padding-bottom: 42px;
  }

  .page-privacy .pp-clause--key {
    padding: 34px 32px 40px;
  }

  .page-privacy .pp-step {
    padding: 18px 22px 17px;
  }

  .page-privacy .pp-duration {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 0 22px;
    align-items: start;
    padding: 16px 0;
  }

  .page-privacy .pp-duration dt {
    margin-bottom: 0;
  }

  .page-privacy .pp-duration dd {
    margin-left: 0;
  }
}

/* ---------- 桌面端：右侧固定目录 ---------- */
@media (min-width: 1024px) {
  .page-privacy .pp-layout {
    grid-template-columns: minmax(0, 1fr) 268px;
    gap: 64px;
    padding-top: 56px;
    padding-bottom: 64px;
  }

  .page-privacy .pp-toc {
    order: 0;
    position: sticky;
    top: 104px;
    align-self: start;
    padding: 4px 0 4px 20px;
    border: 0;
    border-left: 2px solid var(--pp-hairline-strong);
    background: transparent;
  }

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

  .page-privacy .pp-toc__item + .pp-toc__item {
    margin-top: 4px;
  }

  .page-privacy .pp-toc__link {
    position: relative;
    display: flex;
    padding: 8px 0 8px 14px;
    white-space: normal;
    line-height: 1.55;
    border: 0;
    background: transparent;
  }

  .page-privacy .pp-toc__link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 2px;
    height: 0;
    background: var(--mb-cyan);
    transform: translateY(-50%);
    transition: height 0.2s ease;
  }

  .page-privacy .pp-toc__link:hover,
  .page-privacy .pp-toc__link:focus-visible {
    background: transparent;
    border-color: transparent;
  }

  .page-privacy .pp-toc__link:hover::before,
  .page-privacy .pp-toc__link:focus-visible::before {
    height: 100%;
  }
}

/* ---------- 动效适配 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .pp-toc__link::before,
  .page-privacy .mb-crumbs__list a {
    transition: none;
  }
}