.page-privacy {
  --pp-doc-w: 760px;
  --pp-index-w: 236px;
  --pp-accent: #0E8F89;
  --pp-link: #1465C0;
  display: block;
  background: var(--ink);
}

/* ===== 首屏 ===== */
.page-privacy .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(48px, 8vw, 92px) 0 clamp(64px, 9vw, 108px);
  background:
    linear-gradient(112deg, rgba(8, 18, 38, .97) 0%, rgba(18, 36, 74, .95) 54%, rgba(3, 8, 15, .98) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), 0 100%);
}

.page-privacy .pp-hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-privacy .pp-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .32;
  mix-blend-mode: lighten;
}

.page-privacy .pp-hero__inner {
  position: relative;
}

.page-privacy .pp-hero .breadcrumb {
  margin-bottom: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
}

.page-privacy .pp-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--teal);
}

.page-privacy .pp-hero__title {
  margin: 14px 0 0;
  max-width: 17em;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(29px, 4.6vw, 52px);
  line-height: 1.14;
  letter-spacing: .01em;
  color: var(--title);
}

.page-privacy .pp-hero__lede {
  margin: 22px 0 0;
  max-width: 46em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--text);
}

.page-privacy .pp-version {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
}

.page-privacy .pp-version__note {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

/* ===== 正文区（浅色） ===== */
.page-privacy .pp-body {
  --text: #20304A;
  --title: #081226;
  --muted: #55657F;
  --line: #C7D4E6;
  --line-soft: rgba(41, 64, 106, .2);
  background-color: var(--paper);
  background-image:
    linear-gradient(rgba(41, 64, 106, .055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(41, 64, 106, .055) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px;
  color: var(--text);
  padding: clamp(40px, 6vw, 78px) 0 clamp(64px, 9vw, 120px);
}

.page-privacy .pp-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 44px);
  align-items: start;
}

/* ===== 章节 ===== */
.page-privacy .pp-sec {
  padding: clamp(30px, 4.4vw, 46px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 24px;
}

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

.page-privacy .pp-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .pp-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--pp-accent);
  flex: 0 0 auto;
}

.page-privacy .pp-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.5vw, 28px);
  line-height: 1.3;
  letter-spacing: .015em;
  color: var(--title);
}

.page-privacy .pp-prose p {
  margin: 0 0 14px;
  padding-left: 16px;
  border-left: 2px solid rgba(41, 64, 106, .18);
  font-size: clamp(15px, 1.4vw, 16.5px);
  line-height: 1.85;
  color: var(--text);
}

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

/* ===== 用途步骤 ===== */
.page-privacy .pp-steps {
  list-style: none;
  counter-reset: ppstep;
  margin: 22px 0 0;
  padding: 0;
}

.page-privacy .pp-steps li {
  counter-increment: ppstep;
  position: relative;
  padding: 16px 0 16px 54px;
  border-bottom: 1px dashed rgba(41, 64, 106, .22);
}

.page-privacy .pp-steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .pp-steps li::before {
  content: counter(ppstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--pp-accent);
}

.page-privacy .pp-steps__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: .02em;
  color: var(--title);
}

.page-privacy .pp-steps p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: #3B4B66;
}

/* ===== 信息对照表 ===== */
.page-privacy .pp-tablewrap {
  margin: 20px 0 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid rgba(41, 64, 106, .18);
  background: #FFFFFF;
}

.page-privacy .pp-table {
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-privacy .pp-table th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #DCE5F2;
  background: var(--ink);
  border-right: 1px solid rgba(41, 64, 106, .5);
}

.page-privacy .pp-table th:last-child {
  border-right: 0;
}

.page-privacy .pp-table td {
  padding: 15px 16px;
  vertical-align: top;
  line-height: 1.7;
  color: #2B3B55;
  border-bottom: 1px solid rgba(41, 64, 106, .14);
}

.page-privacy .pp-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-privacy .pp-table td:first-child {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--pp-accent);
  white-space: nowrap;
}

.page-privacy .pp-table tbody tr {
  transition: background-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-privacy .pp-table tbody tr:hover,
.page-privacy .pp-table tbody tr:focus-within {
  background: #E7F0FF;
  box-shadow: inset 3px 0 0 var(--orange);
}

/* ===== 权利清单 ===== */
.page-privacy .pp-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .pp-list li {
  position: relative;
  padding: 12px 0 12px 26px;
  border-left: 2px solid rgba(41, 64, 106, .18);
  font-size: 15px;
  line-height: 1.8;
  color: #2B3B55;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 1.35em;
  width: 8px;
  height: 8px;
  background: var(--pp-accent);
}

.page-privacy .pp-list strong {
  color: var(--title);
  font-weight: 600;
}

/* ===== 联系方式块 ===== */
.page-privacy .pp-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 26px;
  padding: 20px 22px;
  background: linear-gradient(120deg, var(--ink) 0%, var(--ink-2) 100%);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-privacy .pp-contact__label {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--teal);
}

.page-privacy .pp-contact__mail {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: #F2F6FC;
  word-break: break-all;
}

.page-privacy .pp-contact__note {
  width: 100%;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .pp-copy {
  margin-left: auto;
}

/* ===== 相关页面 ===== */
.page-privacy .pp-sec--related {
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pp-links {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.page-privacy .pp-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  background: #FFFFFF;
  border: 1px solid rgba(41, 64, 106, .2);
  color: var(--title);
  text-decoration: none;
  font-size: 14px;
  letter-spacing: .02em;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .pp-links a span {
  font-family: var(--font-mono);
  color: var(--pp-accent);
  transition: transform .2s var(--ease);
}

.page-privacy .pp-links a:hover,
.page-privacy .pp-links a:focus-visible {
  background: var(--ink);
  color: #F2F6FC;
  border-color: var(--ink);
}

.page-privacy .pp-links a:hover span,
.page-privacy .pp-links a:focus-visible span {
  color: var(--orange);
  transform: translateX(3px);
}

/* ===== 章节索引 ===== */
.page-privacy .pp-index {
  order: -1;
}

.page-privacy .pp-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pp-index__list {
  list-style: none;
  margin: 0;
  padding: 0 2px 8px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pp-index__list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-privacy .pp-index__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(41, 64, 106, .22);
  background: #FFFFFF;
  color: #2B3B55;
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}

.page-privacy .pp-index__item:hover,
.page-privacy .pp-index__item:focus-visible {
  border-color: var(--pp-accent);
  color: var(--title);
}

.page-privacy .pp-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--pp-accent);
}

/* ===== 回到顶部 ===== */
.page-privacy .pp-top {
  position: fixed;
  right: 16px;
  bottom: calc(var(--bar-h) + 18px);
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  color: var(--teal);
  font-family: var(--font-mono);
  font-size: 16px;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: background-color .2s var(--ease), color .2s var(--ease);
}

.page-privacy .pp-top:hover,
.page-privacy .pp-top:focus-visible {
  background: var(--orange);
  color: var(--ink);
}

/* ===== 平板及以上 ===== */
@media (min-width: 640px) {
  .page-privacy .pp-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ===== 桌面：窄栏正文 + 右侧固定索引 ===== */
@media (min-width: 1024px) {
  .page-privacy .pp-body__grid {
    grid-template-columns: minmax(0, var(--pp-doc-w)) var(--pp-index-w);
    gap: clamp(48px, 6vw, 92px);
    justify-content: center;
  }

  .page-privacy .pp-index {
    order: 0;
    position: sticky;
    top: 28px;
    align-self: start;
    padding-left: 4px;
    border-left: 1px solid var(--line-soft);
  }

  .page-privacy .pp-index__list {
    display: grid;
    gap: 2px;
    padding: 0;
    overflow: visible;
  }

  .page-privacy .pp-index__item {
    border: 0;
    border-left: 2px solid transparent;
    background: transparent;
    padding: 9px 12px;
    white-space: normal;
  }

  .page-privacy .pp-index__item:hover,
  .page-privacy .pp-index__item:focus-visible {
    border-left-color: var(--orange);
    background: #FFFFFF;
    color: var(--title);
  }

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

/* ===== 动效降级 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-index__list,
  .page-privacy .pp-tablewrap {
    scroll-behavior: auto;
  }

  .page-privacy .pp-table tbody tr,
  .page-privacy .pp-links a,
  .page-privacy .pp-links a span,
  .page-privacy .pp-index__item,
  .page-privacy .pp-top {
    transition: none;
  }

  .page-privacy .pp-links a:hover span,
  .page-privacy .pp-links a:focus-visible span {
    transform: none;
  }
}