.page-privacy {
  --pv-line: rgba(27, 46, 99, 0.8);
  --pv-soft: #8FA6D8;
  display: block;
  background: var(--blue-deep);
  color: var(--white-cool);
  overflow-x: clip;
}

/* ===== 首屏 ===== */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--blue-deep);
  border-bottom: 1px solid var(--blue-line);
}

.page-privacy .pv-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(158deg, rgba(10, 22, 51, 0.55) 0%, rgba(10, 22, 51, 0.92) 58%, var(--blue-deep) 100%),
    linear-gradient(12deg, rgba(255, 106, 26, 0.16) 0%, rgba(255, 106, 26, 0) 44%, rgba(76, 255, 158, 0.08) 100%);
}

.page-privacy .pv-hero .shell {
  position: relative;
  z-index: 1;
  padding: clamp(72px, 10vw, 118px) 0 clamp(46px, 6vw, 78px);
}

.page-privacy .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 26px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--blue-mist);
}

.page-privacy .breadcrumbs a {
  color: var(--blue-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-privacy .breadcrumbs a:hover,
.page-privacy .breadcrumbs a:focus-visible {
  color: var(--orange-soft);
  border-bottom-color: var(--orange-soft);
}

.page-privacy .breadcrumbs [aria-current="page"] {
  color: var(--white-cool);
}

.page-privacy .breadcrumbs__sep {
  color: var(--blue-line);
}

.page-privacy .pv-hero h1 {
  margin: 16px 0 0;
  max-width: 22ch;
  font-size: clamp(30px, 5.4vw, 66px);
  font-weight: 300;
  line-height: 1.16;
  letter-spacing: -0.03em;
  color: var(--white-cool);
}

.page-privacy .pv-hero__lead {
  margin: 24px 0 0;
  max-width: 40em;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.85;
  color: rgba(242, 245, 255, 0.78);
}

.page-privacy .pv-hero__meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 32px 0 0;
  padding: 0;
}

.page-privacy .pv-hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--blue-line);
  border-radius: 999px;
  background: rgba(16, 31, 69, 0.62);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.02em;
  color: var(--blue-mist);
}

.page-privacy .pv-hero__meta li:first-child::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green-neon);
  box-shadow: 0 0 10px rgba(76, 255, 158, 0.7);
  animation: pvPulse 2.4s var(--ease-out) infinite;
}

/* ===== 主体栅格 ===== */
.page-privacy .pv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 42px;
  align-items: start;
  padding: clamp(42px, 6vw, 82px) 0 clamp(56px, 8vw, 96px);
}

/* ===== 目录 ===== */
.page-privacy .pv-toc__label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--blue-mist);
}

.page-privacy .pv-toc__list {
  list-style: none;
  counter-reset: pvtoc;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid var(--blue-line);
  border-radius: 999px;
  background: var(--blue-night);
  color: var(--blue-mist);
  font-size: 12.5px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.22s var(--ease-out), border-color 0.22s var(--ease-out), background 0.22s var(--ease-out);
}

.page-privacy .pv-toc__list a::before {
  counter-increment: pvtoc;
  content: counter(pvtoc, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-privacy .pv-toc__list a:hover,
.page-privacy .pv-toc__list a:focus-visible {
  color: var(--white-cool);
  border-color: rgba(255, 106, 26, 0.55);
  background: rgba(255, 106, 26, 0.12);
}

.page-privacy .pv-toc__aside {
  margin-top: 22px;
  padding: 18px 18px 20px;
  border: 1px solid var(--blue-line);
  border-radius: 18px;
  background: linear-gradient(160deg, var(--blue-night), rgba(16, 31, 69, 0.5));
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--blue-mist);
}

.page-privacy .pv-toc__aside p {
  margin: 0 0 12px;
}

/* ===== 箭头链接 ===== */
.page-privacy .pv-arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--orange);
  font-size: 12.5px;
  font-weight: 600;
  line-height: 1.5;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: gap 0.22s var(--ease-out), border-color 0.22s var(--ease-out), color 0.22s var(--ease-out);
}

.page-privacy .pv-arrow-link:hover,
.page-privacy .pv-arrow-link:focus-visible {
  gap: 11px;
  color: var(--orange-soft);
  border-bottom-color: var(--orange-soft);
}

/* ===== 章节 ===== */
.page-privacy .pv-content {
  min-width: 0;
}

.page-privacy .pv-sec {
  padding-bottom: clamp(40px, 5vw, 64px);
  margin-bottom: clamp(40px, 5vw, 64px);
  border-bottom: 1px solid var(--pv-line);
  scroll-margin-top: calc(var(--bar-h) + 34px);
}

.page-privacy .pv-sec:last-child {
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: 0;
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 22px;
}

.page-privacy .pv-sec__num {
  flex: none;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-size: clamp(20px, 2.3vw, 28px);
  font-weight: 700;
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--white-cool);
}

.page-privacy .pv-prose {
  max-width: 37em;
  font-size: clamp(15.5px, 1.05vw, 17px);
  line-height: 1.85;
  color: rgba(242, 245, 255, 0.86);
}

.page-privacy .pv-prose p {
  margin: 0 0 1.1em;
}

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

.page-privacy .pv-prose--after {
  margin-top: 30px;
  padding-left: 18px;
  border-left: 2px solid rgba(255, 106, 26, 0.5);
}

.page-privacy .pv-end {
  margin: 26px 0 0;
}

.page-privacy .pv-end--stack {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
}

/* ===== 01 收集范围 ===== */
.page-privacy .pv-collect {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-collect__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(27, 46, 99, 0.62);
}

.page-privacy .pv-collect__tag {
  position: relative;
  margin: 0;
  padding-left: 15px;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white-cool);
}

.page-privacy .pv-collect__tag::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
  transform: translateY(-50%);
}

.page-privacy .pv-collect__text {
  margin: 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--blue-mist);
}

/* ===== 02 用途 ===== */
.page-privacy .pv-uses {
  list-style: none;
  display: grid;
  gap: 18px;
  margin: 28px 0 0;
  padding: 0;
}

.page-privacy .pv-uses__item {
  position: relative;
  padding: 20px 22px;
  border: 1px solid var(--blue-line);
  border-radius: 18px 4px 18px 18px;
  background: var(--blue-night);
  transition: border-color 0.26s var(--ease-out), transform 0.26s var(--ease-out);
}

.page-privacy .pv-uses__item:hover {
  border-color: rgba(255, 106, 26, 0.5);
  transform: translateY(-3px);
}

.page-privacy .pv-uses__no {
  display: block;
  margin-bottom: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-privacy .pv-uses__title {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white-cool);
}

.page-privacy .pv-uses__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--blue-mist);
}

/* ===== 03 保存期限 ===== */
.page-privacy .pv-bars {
  display: grid;
  gap: 20px;
  margin: 30px 0 0;
}

.page-privacy .pv-bar__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 16px;
  margin-bottom: 9px;
}

.page-privacy .pv-bar__name {
  font-size: 14px;
  font-weight: 600;
  color: var(--white-cool);
  transition: color 0.2s var(--ease-out);
}

.page-privacy .pv-bar__val {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--green-neon);
}

.page-privacy .pv-bar__track {
  position: relative;
  height: 6px;
  border-radius: 999px;
  background: rgba(27, 46, 99, 0.85);
  overflow: hidden;
}

.page-privacy .pv-bar__fill {
  display: block;
  width: 0;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--orange), var(--orange-soft) 58%, var(--green-neon));
  transform-origin: left center;
  animation: pvGrow 0.85s var(--ease-out) both;
}

.page-privacy .pv-bar:nth-child(1) .pv-bar__fill { width: 100%; animation-delay: 0.05s; }
.page-privacy .pv-bar:nth-child(2) .pv-bar__fill { width: 72%; animation-delay: 0.14s; }
.page-privacy .pv-bar:nth-child(3) .pv-bar__fill { width: 45%; animation-delay: 0.23s; }
.page-privacy .pv-bar:nth-child(4) .pv-bar__fill { width: 26%; animation-delay: 0.32s; }

.page-privacy .pv-bar:hover .pv-bar__name {
  color: var(--orange-soft);
}

/* ===== 04 共享 ===== */
.page-privacy .pv-split {
  display: grid;
  gap: 18px;
  margin: 28px 0 0;
}

.page-privacy .pv-split__col {
  padding: 22px;
  border: 1px solid var(--blue-line);
  border-radius: 20px;
  background: rgba(16, 31, 69, 0.72);
}

.page-privacy .pv-split__col--hold {
  border-style: dashed;
  background: rgba(10, 22, 51, 0.55);
}

.page-privacy .pv-split__label {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-privacy .pv-split__col--hold .pv-split__label {
  color: var(--blue-mist);
}

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

.page-privacy .pv-split__list li {
  position: relative;
  padding-left: 17px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--blue-mist);
}

.page-privacy .pv-split__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--orange);
  transform: translateY(-50%);
}

.page-privacy .pv-split__col--hold .pv-split__list li::before {
  background: var(--blue-line);
}

/* ===== 05 请求步骤 ===== */
.page-privacy .pv-steps {
  list-style: none;
  display: grid;
  gap: 0;
  margin: 28px 0 0;
  padding: 0;
  counter-reset: none;
}

.page-privacy .pv-steps__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-steps__item:last-child {
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-steps__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-privacy .pv-steps__title {
  margin: 0 0 7px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white-cool);
}

.page-privacy .pv-steps__body p {
  margin: 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--blue-mist);
}

.page-privacy .pv-fold {
  margin-top: 22px;
  border: 1px solid var(--blue-line);
  border-radius: 16px;
  background: rgba(16, 31, 69, 0.5);
  overflow: hidden;
}

.page-privacy .pv-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 20px;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white-cool);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .pv-fold summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--orange);
}

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

.page-privacy .pv-fold__body {
  padding: 0 20px 20px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--blue-mist);
}

.page-privacy .pv-fold__body p {
  margin: 0 0 10px;
}

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

/* ===== 06 更新 ===== */
.page-privacy .pv-notes {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
}

.page-privacy .pv-notes li {
  position: relative;
  padding-left: 24px;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--blue-mist);
}

.page-privacy .pv-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 11px;
  height: 1px;
  background: var(--orange);
}

/* ===== 动画 ===== */
@keyframes pvPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.32; }
}

@keyframes pvGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* ===== 中等屏 ===== */
@media (min-width: 700px) {
  .page-privacy .pv-collect__item {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-privacy .pv-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 22px;
  }

  .page-privacy .pv-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ===== 桌面：左侧固定目录 + 右侧正文 ===== */
@media (min-width: 980px) {
  .page-privacy .pv-body {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 64px;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: calc(var(--bar-h) + 22px);
    max-height: calc(100vh - var(--bar-h) - 44px);
    overflow-y: auto;
  }

  .page-privacy .pv-toc__list {
    display: block;
    border-left: 1px solid var(--blue-line);
  }

  .page-privacy .pv-toc__list li {
    display: block;
  }

  .page-privacy .pv-toc__list a {
    display: flex;
    align-items: baseline;
    width: 100%;
    margin-left: -1px;
    padding: 9px 12px 9px 17px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    background: none;
    font-size: 13.5px;
    line-height: 1.6;
  }

  .page-privacy .pv-toc__list a::before {
    flex: none;
    margin-right: 9px;
  }

  .page-privacy .pv-toc__list a:hover,
  .page-privacy .pv-toc__list a:focus-visible {
    background: none;
    color: var(--white-cool);
    border-left-color: var(--orange);
  }

  .page-privacy .pv-sec__head {
    gap: 18px;
    margin-bottom: 26px;
  }

  .page-privacy .pv-prose {
    max-width: 36em;
  }
}

/* ===== 降低动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-hero__meta li:first-child::before {
    animation: none;
  }

  .page-privacy .pv-bar__fill {
    animation: none;
    transform: none;
  }

  .page-privacy .pv-toc__list a,
  .page-privacy .pv-arrow-link,
  .page-privacy .pv-uses__item,
  .page-privacy .pv-bar__name {
    transition: none;
  }

  .page-privacy .pv-uses__item:hover {
    transform: none;
  }
}