.page-privacy {
  --pp-rule: rgba(244, 241, 236, 0.10);
  --pp-rule-strong: rgba(244, 241, 236, 0.22);
  --pp-measure: 42rem;
  --pp-key-col: 92px;
  display: block;
  background: var(--fh-carbon);
  color: var(--fh-bone);
}

/* ---------- 顶部深青色带 ---------- */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 150% at 6% 0%, rgba(14, 107, 112, 0.55) 0%, rgba(14, 107, 112, 0) 58%),
    linear-gradient(180deg, rgba(10, 11, 13, 0) 45%, var(--fh-carbon) 100%),
    var(--fh-carbon);
  border-bottom: 1px solid var(--pp-rule-strong);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--fh-cyan) 0%, var(--fh-teal) 44%, rgba(14, 107, 112, 0) 100%);
}

.page-privacy .pp-hero__inner {
  padding-block: clamp(22px, 5vw, 40px) clamp(34px, 7vw, 68px);
}

.page-privacy .pp-hero__eyebrow {
  margin: clamp(20px, 4vw, 34px) 0 0;
  font-family: var(--fh-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--fh-cyan);
}

.page-privacy .pp-title {
  margin: 0.35em 0 0;
  font-family: var(--fh-font-sans);
  font-weight: 900;
  font-size: clamp(2.3rem, 10vw, 4.8rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  color: var(--fh-bone);
}

.page-privacy .pp-title::after {
  content: "";
  display: block;
  width: clamp(62px, 18vw, 148px);
  height: 4px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--fh-flame), var(--fh-ember));
  transform: skewX(-20deg);
  transform-origin: left center;
}

.page-privacy .pp-lead {
  max-width: var(--pp-measure);
  margin: 24px 0 0;
  font-size: clamp(1rem, 2.5vw, 1.12rem);
  line-height: 1.88;
  color: rgba(244, 241, 236, 0.82);
}

.page-privacy .pp-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--fh-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}

.page-privacy .pp-meta__k {
  margin-right: 0.7em;
  color: rgba(47, 224, 214, 0.8);
}

.page-privacy .pp-meta__v {
  color: var(--fh-bone);
}

/* ---------- 顶部纹理横带 ---------- */
.page-privacy .pp-banner {
  margin: 0;
  border-bottom: 1px solid var(--pp-rule-strong);
}

.page-privacy .pp-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  filter: saturate(1.06) contrast(1.04);
}

/* ---------- 主体骨架 ---------- */
.page-privacy .pp-shell {
  padding-block: clamp(38px, 8vw, 86px) clamp(56px, 10vw, 118px);
}

.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 6vw, 60px);
}

/* ---------- 章节 ---------- */
.page-privacy .pp-sec {
  border-top: 1px solid var(--pp-rule);
  padding-block: clamp(28px, 5.5vw, 50px);
  scroll-margin-top: calc(var(--fh-nav-h) + 32px);
}

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

.page-privacy .pp-sec__num {
  display: inline-block;
  margin: 0 0 18px;
  padding-left: 10px;
  border-left: 3px solid var(--fh-ember);
  font-family: var(--fh-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.26em;
  line-height: 1;
  color: var(--fh-flame);
}

.page-privacy .pp-sec__title {
  margin: 0 0 18px;
  font-family: var(--fh-font-sans);
  font-size: clamp(1.32rem, 4.6vw, 1.9rem);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.012em;
  color: var(--fh-bone);
}

.page-privacy .pp-sec__body {
  max-width: var(--pp-measure);
}

.page-privacy .pp-sec__body p {
  margin: 0 0 16px;
  font-size: 0.98rem;
  line-height: 1.92;
  color: rgba(244, 241, 236, 0.8);
}

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

/* ---------- 条目列表 ---------- */
.page-privacy .pp-list {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  max-width: var(--pp-measure);
  border-top: 1px solid var(--pp-rule);
}

.page-privacy .pp-list__item {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pp-rule);
}

.page-privacy .pp-list__key {
  font-family: var(--fh-font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--fh-amber);
  padding-top: 3px;
}

.page-privacy .pp-list__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.88;
  color: rgba(244, 241, 236, 0.78);
}

/* ---------- 旁注与等宽关键字 ---------- */
.page-privacy .pp-note {
  max-width: var(--pp-measure);
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--fh-teal);
  background: rgba(14, 107, 112, 0.12);
  font-size: 0.88rem;
  line-height: 1.82;
  color: rgba(244, 241, 236, 0.78);
}

.page-privacy .pp-key {
  font-family: var(--fh-font-mono);
  font-size: 0.88em;
  letter-spacing: 0.02em;
  color: var(--fh-cyan);
  word-break: break-all;
}

/* ---------- 收口区 ---------- */
.page-privacy .pp-outro {
  margin-top: clamp(40px, 7vw, 66px);
  padding: clamp(22px, 5vw, 34px);
  border: 1px solid var(--pp-rule-strong);
  background: linear-gradient(140deg, rgba(20, 23, 27, 0.94), rgba(10, 11, 13, 0.94));
}

.page-privacy .pp-outro__title {
  margin: 0 0 18px;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--fh-bone);
}

.page-privacy .pp-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy .pp-outro__hint {
  margin: 20px 0 0;
  font-size: 0.84rem;
  line-height: 1.82;
  color: var(--fh-mist);
}

/* ---------- 章节索引 ---------- */
.page-privacy .pp-rail {
  display: none;
}

.page-privacy .pp-rail__head {
  margin: 0 0 12px;
  font-family: var(--fh-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  color: var(--fh-mist);
}

.page-privacy .pp-rail__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--fh-mist);
  text-decoration: none;
  transition: color 0.18s var(--fh-ease);
}

.page-privacy .pp-rail__item:hover,
.page-privacy .pp-rail__item:focus-visible {
  color: var(--fh-bone);
}

.page-privacy .pp-rail__item.is-active {
  color: var(--fh-amber);
}

.page-privacy .pp-rail__dot {
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  background: var(--fh-iron);
  transform: skewX(-20deg);
  transition: background 0.18s var(--fh-ease);
}

.page-privacy .pp-rail__item.is-active .pp-rail__dot {
  background: var(--fh-flame);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-privacy .pp-list__item {
    grid-template-columns: var(--pp-key-col) minmax(0, 1fr);
    gap: 0 26px;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-privacy .pp-layout {
    grid-template-columns: minmax(0, 1fr) 216px;
    gap: clamp(44px, 6vw, 88px);
    align-items: start;
  }

  .page-privacy .pp-rail {
    display: flex;
    flex-direction: column;
    position: sticky;
    top: calc(var(--fh-nav-h) + 34px);
    align-self: start;
    padding-top: 4px;
    border-top: 1px solid var(--pp-rule-strong);
    margin-top: 1px;
  }
}

@media (max-width: 719px) {
  .page-privacy .pp-banner img {
    aspect-ratio: 3 / 2;
  }

  .page-privacy .pp-outro__actions .fh-btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-rail__item,
  .page-privacy .pp-rail__dot {
    transition: none;
  }
}