.page-privacy {
  position: relative;
  isolation: isolate;
  color: var(--text);
  font-family: var(--font-sans);
  background:
    radial-gradient(760px 460px at 96% -6%, rgba(34, 227, 196, 0.1), transparent 62%),
    radial-gradient(560px 420px at -8% 46%, rgba(232, 178, 76, 0.05), transparent 64%),
    var(--ink-900);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy .mono {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */
.pp-hero {
  position: relative;
  display: grid;
  min-height: 320px;
  margin-top: clamp(18px, 3.5vw, 34px);
  overflow: hidden;
  clip-path: var(--notch);
  background: var(--ink-800);
}

.pp-hero__bar {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  z-index: 2;
  background: linear-gradient(180deg, var(--red), var(--cyan) 48%, var(--gold));
}

.pp-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: -42%;
  width: 46%;
  height: 184%;
  transform: rotate(18deg);
  background: linear-gradient(180deg, rgba(34, 227, 196, 0.16), transparent 72%);
  pointer-events: none;
}

.pp-hero__visual {
  position: absolute;
  inset: 0;
}

.pp-hero__visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.46;
}

.pp-hero__visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 21, 18, 0.42) 0%, rgba(6, 21, 18, 0.94) 78%),
    linear-gradient(90deg, rgba(6, 21, 18, 0.92) 0%, rgba(6, 21, 18, 0.3) 70%);
}

.pp-hero__copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: clamp(10px, 1.6vw, 18px);
  padding: clamp(28px, 7vw, 72px);
}

.pp-hero__copy h1 {
  margin: 0;
  font-size: clamp(2.5rem, 11vw, 5.2rem);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text);
}

.pp-hero__lede {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(0.95rem, 2.6vw, 1.05rem);
  line-height: 1.78;
  color: var(--muted);
}

.pp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.pp-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.84rem;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.pp-hero__meta .mono {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--cyan);
}

/* ---------- 主体布局 ---------- */
.pp-layout {
  display: grid;
  gap: clamp(26px, 5vw, 48px);
  margin-top: clamp(28px, 5vw, 60px);
}

/* ---------- 左侧条款索引 ---------- */
.pp-rail {
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
}

.pp-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.pp-rail__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.pp-rail__list::-webkit-scrollbar {
  display: none;
}

.pp-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  white-space: nowrap;
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
  background: var(--ink-800);
  border: 1px solid var(--line);
  clip-path: var(--notch-sm);
  transition: color 240ms var(--ease), border-color 240ms var(--ease), background-color 240ms var(--ease);
}

.pp-rail__link:hover,
.pp-rail__link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--ink-700);
  outline: none;
}

.pp-rail__no {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
}

/* ---------- 条款块 ---------- */
.pp-body {
  display: grid;
  gap: clamp(4px, 1vw, 10px);
  min-width: 0;
}

.clause {
  border-top: 1px solid var(--line);
  padding: clamp(24px, 4.4vw, 42px) 0;
  scroll-margin-top: 96px;
}

.clause--last {
  border-bottom: 1px solid var(--line);
}

.clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 12px;
}

.clause__no {
  flex: none;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.clause__title {
  margin: 0;
  font-size: clamp(1.22rem, 4.4vw, 1.8rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--text);
}

.clause__lede {
  max-width: 62ch;
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--muted);
}

.clause__list {
  counter-reset: ppc;
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.clause__item {
  counter-increment: ppc;
  position: relative;
  padding: 16px 16px 16px 48px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 2px solid var(--ink-700);
  clip-path: var(--notch-sm);
  transition: border-left-color 240ms var(--ease), background-color 240ms var(--ease);
}

.clause__item:hover {
  border-left-color: var(--cyan);
  background: var(--ink-700);
}

.clause__item::before {
  content: counter(ppc, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 17px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--cyan-soft);
}

.clause__label {
  margin: 0 0 6px;
  font-size: 0.96rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.clause__item p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 联系块 ---------- */
.pp-contact {
  display: grid;
  gap: 14px;
  justify-items: start;
  padding: clamp(20px, 4vw, 32px);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold);
  clip-path: var(--notch);
}

.pp-contact__mail {
  margin: 0;
  font-size: clamp(1rem, 3.6vw, 1.5rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--cyan);
  word-break: break-all;
}

.pp-contact__copy {
  font-family: var(--font-sans);
  font-size: 0.82rem;
}

.pp-contact__list {
  display: grid;
  gap: 8px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.pp-contact__list li {
  position: relative;
  padding-left: 16px;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--muted);
}

.pp-contact__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--cyan-soft);
}

/* ---------- 延伸入口 ---------- */
.pp-related {
  margin-top: clamp(34px, 6vw, 64px);
  padding-top: clamp(22px, 3.4vw, 32px);
  border-top: 1px solid var(--line);
}

.pp-related__title {
  margin: 0 0 clamp(16px, 2.6vw, 24px);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.pp-related__grid {
  display: grid;
  gap: 12px;
}

.pp-rel {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  text-decoration: none;
  background: var(--ink-800);
  border: 1px solid var(--line);
  clip-path: var(--notch-sm);
  transition: background-color 240ms var(--ease), border-color 240ms var(--ease);
}

.pp-rel:hover,
.pp-rel:focus-visible {
  background: var(--ink-700);
  border-color: var(--cyan);
  outline: none;
}

.pp-rel__label {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.pp-rel:hover .pp-rel__label,
.pp-rel:focus-visible .pp-rel__label {
  color: var(--cyan);
}

.pp-rel__desc {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .clause__list--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 20px;
  }

  .pp-related__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 20px;
  }

  .pp-hero__copy {
    max-width: 780px;
  }
}

@media (min-width: 1024px) {
  .pp-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(40px, 4vw, 76px);
    align-items: start;
  }

  .pp-rail {
    position: sticky;
    top: 34px;
    border-bottom: none;
    border-left: 1px solid var(--line);
    padding: 0 0 0 20px;
  }

  .pp-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .pp-rail__link {
    padding: 9px 0;
    white-space: normal;
    background: none;
    border: none;
    clip-path: none;
    line-height: 1.55;
    transition: color 240ms var(--ease), transform 240ms var(--ease);
  }

  .pp-rail__link:hover,
  .pp-rail__link:focus-visible {
    background: none;
    border: none;
    transform: translateX(4px);
  }

  .pp-related__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

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

  .page-privacy .pp-rail__link:hover,
  .page-privacy .pp-rail__link:focus-visible {
    transform: none;
  }
}