.page-privacy {
  --pp-flow: 68ch;
  background: var(--ink);
  color: var(--silver);
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--grid-line);
}

.page-privacy .pp-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-privacy .pp-hero__media img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.32;
  filter: saturate(0.55) contrast(1.08);
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(11, 13, 14, 0.5) 0%, rgba(11, 13, 14, 0.88) 58%, var(--ink) 100%);
}

.page-privacy .pp-hero__inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-block: clamp(52px, 12vw, 128px) clamp(38px, 7vw, 84px);
}

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

.page-privacy .pp-crumbs li {
  color: var(--slate);
}

.page-privacy .pp-crumbs a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
}

.page-privacy .pp-crumbs a:hover {
  color: var(--cyan);
  border-color: var(--cyan-soft);
}

.page-privacy .pp-hero__title {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0;
  color: var(--mist);
  font-size: clamp(40px, 11vw, 104px);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.035em;
}

.page-privacy .pp-hero__title-en {
  font-size: clamp(11px, 2.4vw, 15px);
  font-weight: 400;
  letter-spacing: 0.32em;
  color: var(--cyan);
}

.page-privacy .pp-hero__lede {
  max-width: 56ch;
  margin: 0;
  color: var(--silver);
  font-size: clamp(16px, 2.2vw, 19px);
}

/* ---------- 正文框架 ---------- */
.page-privacy .pp-body {
  display: grid;
  gap: clamp(26px, 6vw, 48px);
  padding-block: clamp(38px, 8vw, 88px);
}

.page-privacy .pp-nav {
  border-top: 1px solid var(--grid-line);
  padding-top: 14px;
}

.page-privacy .pp-nav__title {
  margin: 0 0 10px;
  color: var(--slate);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.page-privacy .pp-nav__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-nav__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0 10px 12px;
  border-left: 1px solid var(--grid-line);
  color: var(--silver);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-privacy .pp-nav__list a:hover {
  color: var(--mist);
  border-left-color: var(--cyan-soft);
  padding-left: 16px;
}

.page-privacy .pp-nav__list a[aria-current="true"] {
  color: var(--mist);
  border-left-color: var(--cyan);
}

.page-privacy .pp-nav__list a[aria-current="true"] .pp-nav__num {
  color: var(--cyan);
}

.page-privacy .pp-nav__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

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

/* ---------- 章节 ---------- */
.page-privacy .pp-sec {
  padding-block: clamp(26px, 5vw, 46px);
  border-top: 1px solid var(--grid-line);
}

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

.page-privacy .pp-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  margin-bottom: 16px;
}

.page-privacy .pp-sec__num {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-privacy .pp-sec__title {
  margin: 0;
  color: var(--mist);
  font-size: clamp(22px, 4.4vw, 34px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.page-privacy .pp-sec__body {
  display: grid;
  gap: 16px;
  max-width: var(--pp-flow);
}

.page-privacy .pp-sec__body p {
  margin: 0;
}

.page-privacy .pp-list {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 20px;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

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

.page-privacy .pp-uses {
  display: grid;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-uses li {
  display: grid;
  gap: 6px;
  padding-left: 16px;
  border-left: 1px solid var(--grid-line);
}

.page-privacy .pp-uses h3 {
  margin: 0;
  color: var(--mist);
  font-size: 17px;
  font-weight: 700;
}

.page-privacy .pp-uses p {
  margin: 0;
  font-size: 15.5px;
}

.page-privacy .pp-uses .mono {
  color: var(--slate);
  font-size: 12px;
  letter-spacing: 0.14em;
}

/* ---------- 联系信息板 ---------- */
.page-privacy .pp-contact {
  display: grid;
  gap: 16px;
  margin-top: 4px;
  padding: clamp(18px, 4vw, 30px);
  background: linear-gradient(160deg, var(--wine) 0%, var(--ink-2) 80%);
  border: 1px solid var(--grid-line);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
}

.page-privacy .pp-contact__row {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.page-privacy .pp-contact__label {
  color: var(--slate);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-privacy .pp-contact__value {
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.6vw, 16px);
  letter-spacing: 0.02em;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-privacy .pp-contact__value--cy {
  color: var(--cyan);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 640px) {
  .page-privacy .pp-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 960px) {
  .page-privacy .pp-body {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: clamp(48px, 7vw, 108px);
  }

  .page-privacy .pp-nav {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-privacy .pp-sec {
    padding-block: clamp(34px, 4vw, 56px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-nav__list a,
  .page-privacy .pp-crumbs a {
    transition-duration: 0.01ms;
  }

  .page-privacy .pp-nav__list a:hover {
    padding-left: 12px;
  }
}