.page-privacy {
  --pp-read: 760px;
  --pp-note-bg: rgba(255, 230, 163, 0.28);
  background: var(--paper-50);
  color: var(--ink-900);
}

.page-privacy h1 {
  margin: 12px 0 0;
  max-width: 16ch;
  font-size: clamp(1.95rem, 5.4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.03em;
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 6vw, 68px) 0 clamp(56px, 8vw, 104px);
  background: var(--navy-950);
  color: var(--white);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), 0 100%);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 84% 14%, rgba(246, 196, 69, 0.2), transparent 44%),
    radial-gradient(circle at 8% 92%, rgba(69, 214, 176, 0.14), transparent 46%),
    repeating-linear-gradient(112deg, rgba(245, 248, 251, 0.05) 0 1px, transparent 1px 72px);
  pointer-events: none;
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  top: -28%;
  right: -12%;
  width: 56%;
  height: 158%;
  transform: skewX(-14deg);
  background: linear-gradient(150deg, rgba(246, 196, 69, 0.16), rgba(23, 76, 116, 0) 64%);
  pointer-events: none;
}

.page-privacy .pp-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  align-items: center;
}

.page-privacy .pp-lede {
  margin: 20px 0 0;
  max-width: 56ch;
  font-size: clamp(1rem, 1.3vw, 1.08rem);
  line-height: 1.78;
  color: rgba(245, 248, 251, 0.78);
}

.page-privacy .pp-hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  gap: 18px 20px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-hero-stats li {
  padding-left: 14px;
  border-left: 2px solid var(--gold-500);
}

.page-privacy .pp-num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--gold-500);
}

.page-privacy .pp-num-label {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(245, 248, 251, 0.64);
}

.page-privacy .pp-flow {
  margin: 0;
}

.page-privacy .pp-flow-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .pp-flow-svg text {
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.page-privacy .pp-flow-svg .pp-node-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
}

.page-privacy .pp-flow figcaption {
  margin-top: 14px;
  padding-top: 12px;
  border-top: var(--line-dark);
  font-size: 13px;
  line-height: 1.65;
  color: rgba(245, 248, 251, 0.62);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .pp-layout {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
  padding-top: clamp(40px, 6vw, 76px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* ---------- 目录 ---------- */
.page-privacy .pp-toc {
  border-top: 2px solid var(--navy-950);
  padding-top: 14px;
}

.page-privacy .pp-toc-title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--slate-500);
}

.page-privacy .pp-toc-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-toc-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 8px 9px 0;
  border-bottom: var(--line);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-900);
  text-decoration: none;
  transition: color 160ms, padding-left 160ms, box-shadow 160ms, border-color 160ms;
}

.page-privacy .pp-toc-list a:hover,
.page-privacy .pp-toc-list a:focus-visible {
  padding-left: 8px;
  color: var(--navy-950);
  border-bottom-color: var(--gold-500);
  box-shadow: inset 2px 0 0 var(--gold-500);
}

.page-privacy .pp-toc-list .mono {
  flex: none;
  padding: 1px 5px;
  border-radius: 2px;
  background: var(--navy-950);
  color: var(--gold-500);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.page-privacy .pp-toc-meta {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate-500);
}

/* ---------- 条款正文 ---------- */
.page-privacy .pp-article {
  max-width: var(--pp-read);
}

.page-privacy .pp-section {
  position: relative;
  margin-bottom: clamp(34px, 5vw, 56px);
  padding-bottom: clamp(34px, 5vw, 56px);
  border-bottom: var(--line);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-privacy .pp-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .pp-h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  font-size: clamp(1.3rem, 2.6vw, 1.7rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--navy-950);
}

.page-privacy .pp-h2-num {
  flex: none;
  padding: 3px 8px;
  border-radius: 2px;
  background: var(--navy-950);
  color: var(--gold-500);
  font-size: 0.7em;
  font-weight: 500;
  letter-spacing: 0;
  transform: skewX(-8deg);
}

.page-privacy .pp-article p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-900);
}

.page-privacy .pp-article a {
  color: var(--indigo-600);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 160ms;
}

.page-privacy .pp-article a:hover,
.page-privacy .pp-article a:focus-visible {
  color: var(--navy-950);
}

/* 图文 */
.page-privacy .pp-figure {
  margin: 0 0 24px;
  overflow: hidden;
  border: var(--line);
  background: var(--navy-950);
}

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

.page-privacy .pp-figure figcaption {
  padding: 10px 14px;
  border-top: var(--line);
  background: var(--white);
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate-500);
}

/* 条目列表 */
.page-privacy .pp-list {
  display: grid;
  gap: 0;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  border-top: var(--line);
}

.page-privacy .pp-list li {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-bottom: var(--line);
}

.page-privacy .pp-term {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--navy-950);
}

.page-privacy .pp-term::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  vertical-align: 2px;
  transform: skewX(-12deg);
  background: var(--gold-500);
}

.page-privacy .pp-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
}

/* 用途三栏 */
.page-privacy .pp-purpose {
  display: grid;
  gap: 0;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--navy-950);
}

.page-privacy .pp-purpose li {
  padding: 16px 0;
  border-bottom: var(--line);
}

.page-privacy .pp-purpose .mono {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-500);
}

.page-privacy .pp-purpose strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--navy-950);
}

.page-privacy .pp-purpose p {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--slate-500);
}

/* 180 天刻度 */
.page-privacy .pp-retention {
  margin: 0 0 20px;
  padding: 20px clamp(16px, 3vw, 26px) 22px;
  background: var(--navy-950);
  color: var(--white);
}

.page-privacy .pp-retention-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-privacy .pp-retention-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.4rem, 7vw, 3.4rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--gold-500);
}

.page-privacy .pp-retention-unit {
  font-size: 15px;
  font-weight: 700;
  color: rgba(245, 248, 251, 0.72);
}

.page-privacy .pp-scale {
  display: flex;
  gap: 5px;
  height: 12px;
  margin: 16px 0 14px;
}

.page-privacy .pp-scale span {
  flex: 1;
  transform: skewX(-18deg);
  background: linear-gradient(90deg, var(--gold-500), var(--gold-300));
  opacity: 0.92;
}

.page-privacy .pp-scale span:nth-child(n + 5) {
  opacity: 0.26;
}

.page-privacy .pp-retention p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(245, 248, 251, 0.7);
}

/* 步骤 */
.page-privacy .pp-steps {
  display: grid;
  gap: 14px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  counter-reset: ppstep;
}

.page-privacy .pp-steps li {
  position: relative;
  padding: 14px 16px 14px 48px;
  border-left: 2px solid var(--gold-500);
  background: var(--white);
  counter-increment: ppstep;
}

.page-privacy .pp-steps li::before {
  content: counter(ppstep, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 15px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold-500);
}

.page-privacy .pp-steps strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--navy-950);
}

.page-privacy .pp-steps p {
  margin: 5px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-900);
}

/* 联系条 */
.page-privacy .pp-contact {
  display: grid;
  gap: 0;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  border-top: var(--line);
}

.page-privacy .pp-contact li {
  display: grid;
  gap: 3px;
  padding: 13px 0;
  border-bottom: var(--line);
}

.page-privacy .pp-contact-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate-500);
}

.page-privacy .pp-contact-val {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--navy-950);
  word-break: break-all;
}

/* 边注 */
.page-privacy .pp-note {
  margin: 18px 0 0;
  padding: 13px 16px;
  border-left: 2px solid var(--gold-500);
  background: var(--pp-note-bg);
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-900);
}

.page-privacy .pp-note b {
  display: block;
  margin-bottom: 4px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--slate-500);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-privacy .pp-purpose {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 24px;
  }

  .page-privacy .pp-purpose li {
    border-bottom: 0;
    border-top: 1px solid var(--gold-500);
    margin-top: 0;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-privacy .pp-hero-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 1040px) {
  .page-privacy .pp-layout {
    grid-template-columns: 190px minmax(0, 1fr) 200px;
    align-items: start;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-privacy .pp-note {
    position: absolute;
    top: 2px;
    left: calc(100% + 48px);
    width: 200px;
    margin: 0;
  }

  .page-privacy .pp-note::before {
    content: "";
    position: absolute;
    top: 16px;
    right: 100%;
    width: 40px;
    height: 1px;
    background: var(--gold-500);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc-list a,
  .page-privacy .pp-article a {
    transition: none;
  }
}