.page-privacy {
  --pp-measure: 880px;
  --pp-rail: 208px;
  --pp-gap: clamp(24px, 4vw, 56px);
  --pp-sec-pad: clamp(24px, 3.4vw, 40px);
}

/* ---------- 首屏 ---------- */

.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px) 0 clamp(30px, 5vw, 58px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 84% 0%, rgba(44, 232, 216, 0.14), transparent 62%),
    radial-gradient(90% 80% at 6% 100%, rgba(123, 77, 255, 0.18), transparent 60%),
    var(--void);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(140, 151, 184, 0.1) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(to bottom, rgba(140, 151, 184, 0.1) 0 1px, transparent 1px 64px);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 88%);
}

.page-privacy .pp-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-privacy .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mute);
}

.page-privacy .crumbs a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

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

.page-privacy .crumbs [aria-current="page"] {
  color: var(--cyan);
}

.page-privacy .pp-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-privacy .pp-hero-grid {
    grid-template-columns: 1.08fr 0.92fr;
  }
}

.page-privacy .pp-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-privacy .pp-lock {
  flex: none;
  color: var(--cyan);
}

.page-privacy h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(29px, 5vw, 54px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .pp-hero .lead {
  max-width: 40em;
  margin: 0;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.8;
  color: var(--slate);
}

.page-privacy .pp-hero-figure {
  margin: 0;
  clip-path: polygon(0 4%, 100% 0, 100% 96%, 0 100%);
}

.page-privacy .pp-hero-figure .media {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--indigo);
}

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

.page-privacy .pp-stamp {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-privacy .pp-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--alert);
  box-shadow: 0 0 0 4px rgba(226, 69, 60, 0.16);
}

/* ---------- 页面骨架 ---------- */

.page-privacy .pp-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  padding-top: clamp(32px, 5vw, 64px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-privacy .pp-shell > * {
  min-width: 0;
}

@media (min-width: 960px) {
  .page-privacy .pp-shell {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 侧栏刻度导航 ---------- */

.page-privacy .pp-rail-title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--mute);
}

.page-privacy .pp-rail-list {
  display: flex;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pp-rail-list::-webkit-scrollbar {
  display: none;
}

.page-privacy .pp-rail-list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 26, 68, 0.5);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--slate);
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.page-privacy .pp-rail-list a .mono-text {
  color: var(--violet);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-privacy .pp-rail-list a:hover,
.page-privacy .pp-rail-list a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(44, 232, 216, 0.07);
}

.page-privacy .pp-top-link {
  display: none;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--mute);
  text-decoration: none;
  transition: color 0.2s;
}

.page-privacy .pp-top-link:hover,
.page-privacy .pp-top-link:focus-visible {
  color: var(--cyan);
}

@media (min-width: 960px) {
  .page-privacy .pp-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-privacy .pp-rail-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pp-rail-list li + li {
    margin-top: 2px;
  }

  .page-privacy .pp-rail-list a {
    padding: 8px 0 8px 12px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: none;
  }

  .page-privacy .pp-top-link {
    display: inline-flex;
  }
}

/* ---------- 正文阅读区 ---------- */

.page-privacy .pp-body {
  max-width: var(--pp-measure);
  min-width: 0;
  padding: clamp(22px, 3.6vw, 54px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--brown);
  box-shadow: 0 30px 70px -46px rgba(0, 0, 0, 0.85);
}

.page-privacy .pp-sec {
  position: relative;
  padding-left: clamp(14px, 2.4vw, 26px);
  padding-top: var(--pp-sec-pad);
  padding-bottom: var(--pp-sec-pad);
  border-top: 1px solid rgba(27, 20, 16, 0.14);
}

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

.page-privacy .pp-sec:last-child {
  padding-bottom: 0;
}

.page-privacy .pp-sec::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--pp-sec-pad);
  bottom: var(--pp-sec-pad);
  width: 2px;
  background: rgba(27, 20, 16, 0.16);
  transition: background 0.3s ease;
}

.page-privacy .pp-sec:first-child::before {
  top: 4px;
}

.page-privacy .pp-sec:last-child::before {
  bottom: 4px;
}

.page-privacy .pp-sec.is-active::before {
  background: var(--violet);
}

.page-privacy .pp-sec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .pp-sec-num {
  flex: none;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(27, 20, 16, 0.4);
  transition: color 0.3s ease;
}

.page-privacy .pp-sec.is-active .pp-sec-num {
  color: var(--violet);
}

.page-privacy .pp-sec h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(19px, 2.3vw, 26px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--brown);
}

.page-privacy .pp-sec p {
  max-width: 44em;
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.85;
  color: #2e241c;
}

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

.page-privacy .pp-sec ul {
  max-width: 44em;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-sec li {
  position: relative;
  padding: 9px 0 9px 22px;
  font-size: 16px;
  line-height: 1.78;
  color: #2e241c;
  border-bottom: 1px dashed rgba(27, 20, 16, 0.16);
}

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

.page-privacy .pp-sec li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 19px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--violet);
  transform: rotate(45deg);
}

.page-privacy .pp-sec strong {
  color: var(--brown);
  font-weight: 700;
}

.page-privacy .pp-note {
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: 15px !important;
  color: #4a3b30 !important;
}

.page-privacy .pp-flow {
  display: block;
  width: 100%;
  max-width: 44em;
  height: 40px;
  margin: 6px 0 16px;
  color: var(--violet);
  opacity: 0.55;
}

/* ---------- 折叠面板 ---------- */

.page-privacy .pp-fold {
  max-width: 44em;
  margin-top: 18px;
  border: 1px solid rgba(27, 20, 16, 0.2);
  border-radius: var(--radius);
  background: rgba(27, 20, 16, 0.035);
}

.page-privacy .pp-fold-btn {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 0;
  background: none;
  font-family: var(--font-heading);
  font-size: 15.5px;
  font-weight: 700;
  color: var(--brown);
  text-align: left;
  cursor: pointer;
}

.page-privacy .pp-fold-btn::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--violet);
}

.page-privacy .pp-fold[data-open] .pp-fold-btn::after {
  content: "–";
}

.page-privacy .pp-fold-panel {
  display: block;
  padding: 0 16px 16px;
}

.page-privacy .pp-fold-panel p {
  font-size: 15.5px;
  line-height: 1.82;
  color: #3a2e25;
}

.js .page-privacy .pp-fold-panel {
  display: none;
}

.js .page-privacy .pp-fold[data-open] .pp-fold-panel {
  display: block;
}

/* ---------- 链接与浮动按钮 ---------- */

.page-privacy a:focus-visible,
.page-privacy button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .pp-sec a {
  color: var(--violet);
  text-decoration: none;
  border-bottom: 1px solid rgba(123, 77, 255, 0.45);
  transition: color 0.2s, border-color 0.2s;
}

.page-privacy .pp-sec a:hover,
.page-privacy .pp-sec a:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-privacy .pp-top-fab {
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: clamp(12px, 3vw, 28px);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 14, 36, 0.9);
  color: var(--cyan);
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.page-privacy .pp-top-fab:hover,
.page-privacy .pp-top-fab:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
  box-shadow: 0 0 0 1px rgba(44, 232, 216, 0.35), 0 10px 26px -12px rgba(44, 232, 216, 0.6);
}

/* ---------- 中文排版收口 ---------- */

@media (max-width: 599px) {
  .page-privacy .pp-sec p,
  .page-privacy .pp-sec li,
  .page-privacy .pp-fold-panel p {
    font-size: 15.5px;
  }

  .page-privacy .pp-sec {
    padding-left: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-rail-list a,
  .page-privacy .pp-sec::before,
  .page-privacy .pp-sec-num,
  .page-privacy .pp-top-fab,
  .page-privacy .crumbs a {
    transition: none;
  }
}