.page-privacy {
  --pv-measure: 34em;
  --pv-toc-w: 200px;
  --pv-gap: clamp(32px, 4.6vw, 68px);
  position: relative;
  max-width: var(--page-max);
  margin-inline: auto;
  padding-inline: var(--edge);
  padding-bottom: clamp(56px, 8vw, 96px);
  color: var(--pearl);
  font-family: var(--font-body);
}

/* ── 顶部长文头 ── */
.page-privacy .pv-hero {
  padding-top: clamp(24px, 3.6vw, 48px);
}

.page-privacy .breadcrumb {
  margin: 0 0 clamp(22px, 3.2vw, 36px);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-privacy .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .breadcrumb li::after {
  content: "/";
  margin-left: 10px;
  color: rgba(122, 143, 166, 0.5);
}

.page-privacy .breadcrumb li:last-child::after {
  content: "";
}

.page-privacy .breadcrumb a {
  color: var(--slate);
  text-decoration: none;
  transition: color 0.24s ease-out;
}

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

.page-privacy .pv-hero-copy .eyebrow {
  margin: 0 0 18px;
  color: var(--cyan);
}

.page-privacy .pv-hero-copy h1 {
  margin: 0;
  font-size: clamp(40px, 7.6vw, 104px);
  line-height: 0.96;
  letter-spacing: -0.015em;
}

.page-privacy .pv-hero-copy h1 .is-strong {
  background: var(--data-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@supports not ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-privacy .pv-hero-copy h1 .is-strong {
    color: var(--cyan);
  }
}

.page-privacy .pv-lede {
  margin: clamp(22px, 3vw, 34px) 0 0;
  max-width: var(--pv-measure);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.82;
  color: rgba(244, 247, 245, 0.82);
}

.page-privacy .pv-band {
  position: relative;
  margin: clamp(30px, 4.4vw, 52px) 0 0;
  height: clamp(140px, 22vw, 240px);
  border-radius: var(--r-lg);
  border: 1px solid rgba(61, 245, 208, 0.22);
  background: linear-gradient(115deg, var(--sky-panel), var(--sky-deep));
  overflow: hidden;
}

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

.page-privacy .pv-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(61, 245, 208, 0.18) 0%, rgba(8, 24, 43, 0.08) 44%, rgba(255, 107, 74, 0.2) 100%);
  pointer-events: none;
}

/* ── 目录轨道 + 正文栏 ── */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 3.6vw, 48px);
  margin-top: clamp(44px, 6vw, 80px);
}

.page-privacy .pv-toc-title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--slate);
}

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

.page-privacy .pv-toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid rgba(61, 245, 208, 0.24);
  border-radius: var(--r-pill);
  font-size: 13px;
  color: var(--pearl);
  text-decoration: none;
  transition: border-color 0.28s ease-out, background 0.28s ease-out, color 0.28s ease-out;
}

.page-privacy .pv-toc-list a .mono {
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.page-privacy .pv-toc-list a:hover,
.page-privacy .pv-toc-list a:focus-visible {
  border-color: var(--cyan);
  background: rgba(61, 245, 208, 0.08);
}

.page-privacy .pv-body {
  min-width: 0;
  max-width: 48rem;
}

/* ── 章节节奏 ── */
.page-privacy .pv-sec {
  padding-block: clamp(28px, 4vw, 46px);
  border-top: 1px solid rgba(122, 143, 166, 0.22);
  scroll-margin-top: calc(var(--edge) + 20px);
}

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

.page-privacy .pv-sec-idx {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--coral);
}

.page-privacy .pv-sec h2 {
  margin: 0 0 18px;
  font-size: clamp(21px, 2.6vw, 31px);
  line-height: 1.22;
  letter-spacing: -0.005em;
  color: var(--pearl);
}

.page-privacy .pv-sec > p.prose {
  margin: 0 0 26px;
  max-width: var(--pv-measure);
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(244, 247, 245, 0.78);
}

.page-privacy .pv-sec .t-h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--pearl);
}

/* ── 信息类别标签 ── */
.page-privacy .pv-tags {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-tag {
  padding: 11px 15px;
  border: 1px solid rgba(237, 231, 220, 0.3);
  border-radius: var(--r-sm);
  background: rgba(237, 231, 220, 0.05);
  transition: border-color 0.28s ease-out, background 0.28s ease-out;
}

.page-privacy .pv-tag-name {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--pearl);
}

.page-privacy .pv-tag-use {
  display: block;
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  font-size: 12.5px;
  line-height: 1.62;
  color: var(--cyan);
  opacity: 0;
  transition: max-height 0.34s ease-out, opacity 0.3s ease-out, margin-top 0.3s ease-out;
}

.page-privacy .pv-tag:hover,
.page-privacy .pv-tag:focus {
  border-color: rgba(61, 245, 208, 0.55);
  background: rgba(61, 245, 208, 0.07);
  outline: none;
}

.page-privacy .pv-tag:focus-visible {
  box-shadow: 0 0 0 2px var(--sky-deep), 0 0 0 4px var(--cyan);
}

.page-privacy .pv-tag:hover .pv-tag-use,
.page-privacy .pv-tag:focus .pv-tag-use {
  max-height: 5em;
  margin-top: 7px;
  opacity: 1;
}

@media (hover: none) {
  .page-privacy .pv-tag-use {
    max-height: none;
    margin-top: 7px;
    opacity: 1;
  }
}

/* ── 使用场景 ── */
.page-privacy .pv-uses {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-use {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 10px;
  padding: 20px 0;
  border-top: 1px dashed rgba(122, 143, 166, 0.26);
}

.page-privacy .pv-use:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-privacy .pv-use-num {
  padding-top: 5px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .pv-use p {
  margin: 0;
  max-width: var(--pv-measure);
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(244, 247, 245, 0.76);
}

/* ── 保存期限条形 ── */
.page-privacy .pv-bars {
  margin: 0 0 clamp(28px, 3.6vw, 42px);
  padding: 0;
  list-style: none;
}

.page-privacy .pv-bar {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 7px;
  padding: 15px 0;
  border-bottom: 1px dashed rgba(122, 143, 166, 0.26);
}

.page-privacy .pv-bar:last-child {
  border-bottom: 0;
}

.page-privacy .pv-bar-label {
  font-size: 14px;
  color: var(--pearl);
}

.page-privacy .pv-bar-track {
  display: block;
  height: 6px;
  border-radius: var(--r-pill);
  background: rgba(122, 143, 166, 0.18);
  overflow: hidden;
}

.page-privacy .pv-bar-fill {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan-dark) 100%);
}

.page-privacy .pv-fill-100 {
  width: 100%;
}

.page-privacy .pv-fill-55 {
  width: 55%;
}

.page-privacy .pv-fill-30 {
  width: 30%;
}

.page-privacy .pv-fill-18 {
  width: 18%;
}

.page-privacy .pv-bar-time {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ── 保护措施 ── */
.page-privacy .pv-guard {
  padding: clamp(20px, 2.6vw, 30px);
  border: 1px solid rgba(61, 245, 208, 0.24);
  border-radius: var(--r-md);
  background: var(--sky-panel);
  box-shadow: var(--glow);
}

.page-privacy .pv-note-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-note-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  max-width: var(--pv-measure);
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(244, 247, 245, 0.78);
}

.page-privacy .pv-note-list li:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

/* ── 操作步骤轴 ── */
.page-privacy .pv-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-step {
  position: relative;
  padding: 0 0 26px 28px;
  border-left: 1px solid rgba(122, 143, 166, 0.34);
}

.page-privacy .pv-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-privacy .pv-step::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(61, 245, 208, 0.16);
}

.page-privacy .pv-step:last-child::before {
  background: var(--coral);
  box-shadow: 0 0 0 3px rgba(255, 107, 74, 0.18);
}

.page-privacy .pv-step p {
  margin: 0;
  max-width: var(--pv-measure);
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(244, 247, 245, 0.76);
}

.page-privacy .pv-steps--compact .pv-step {
  padding-bottom: 18px;
}

.page-privacy .pv-steps--compact .pv-step p {
  font-size: 14px;
}

.page-privacy .pv-more {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: var(--pv-measure);
  font-size: 14px;
  line-height: 1.78;
  color: rgba(244, 247, 245, 0.66);
}

.page-privacy .pv-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 245, 208, 0.4);
  transition: border-color 0.24s ease-out, color 0.24s ease-out;
}

.page-privacy .pv-link:hover,
.page-privacy .pv-link:focus-visible {
  color: var(--coral);
  border-bottom-color: var(--coral);
}

/* ── 联系方式 ── */
.page-privacy .pv-contact {
  margin: 0 0 clamp(28px, 3.6vw, 42px);
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(122, 143, 166, 0.22);
}

.page-privacy .pv-contact-row {
  display: grid;
  grid-template-columns: 5.4rem minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(122, 143, 166, 0.22);
}

.page-privacy .pv-contact-key {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
  padding-top: 3px;
}

.page-privacy .pv-contact-val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--pearl);
  word-break: break-word;
}

.page-privacy .pv-flow {
  margin-bottom: clamp(26px, 3.4vw, 38px);
}

.page-privacy .pv-cta {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

/* ── 渐入 ── */
@media (prefers-reduced-motion: no-preference) {
  .page-privacy .pv-sec[data-reveal]:not([data-revealed]) {
    opacity: 0;
    transform: translateY(12px);
  }

  .page-privacy .pv-sec[data-reveal] {
    transition: opacity 0.48s ease-out, transform 0.48s ease-out;
  }
}

/* ── 中屏 ── */
@media (min-width: 720px) {
  .page-privacy .pv-tags {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pv-bar {
    grid-template-columns: 9.5rem minmax(0, 1fr) 8.5rem;
    align-items: center;
    gap: 16px;
  }

  .page-privacy .pv-bar-time {
    text-align: right;
  }
}

/* ── 桌面：左侧目录轨道 ── */
@media (min-width: 900px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-toc-w) minmax(0, 1fr);
    gap: var(--pv-gap);
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: calc(var(--edge) + 16px);
    align-self: start;
  }

  .page-privacy .pv-toc-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-privacy .pv-toc-list a {
    display: flex;
    width: 100%;
    padding: 9px 0 9px 14px;
    border: 0;
    border-left: 2px solid rgba(122, 143, 166, 0.3);
    border-radius: 0;
    font-size: 13.5px;
    color: var(--slate);
  }

  .page-privacy .pv-toc-list a:hover,
  .page-privacy .pv-toc-list a:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(61, 245, 208, 0.06);
    color: var(--pearl);
  }

  .page-privacy .pv-toc-list a .mono {
    color: var(--coral);
  }

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

@media (min-width: 1180px) {
  .page-privacy {
    --pv-toc-w: 224px;
  }
}