.page-privacy {
  --pp-rail: 198px;
  --pp-line-soft: linear-gradient(90deg, rgba(40, 225, 255, 0.5) 0%, rgba(40, 225, 255, 0.06) 58%, transparent 100%);
  position: relative;
  background: var(--ink-900);
  overflow-x: hidden;
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 680px;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(120% 78% at 90% 0%, rgba(40, 225, 255, 0.10), transparent 62%),
    radial-gradient(90% 66% at 2% 22%, rgba(255, 123, 46, 0.07), transparent 64%);
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  z-index: 1;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  border-bottom: var(--line) solid var(--ink-700);
  min-height: clamp(400px, 62vw, 540px);
}

.page-privacy .pp-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy .pp-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}

.page-privacy .pp-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(143, 163, 196, 0.10) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(0deg, rgba(143, 163, 196, 0.10) 0 1px, transparent 1px 46px),
    linear-gradient(180deg, rgba(5, 11, 31, 0.66) 0%, rgba(5, 11, 31, 0.88) 56%, var(--ink-900) 100%);
}

.page-privacy .pp-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-block: clamp(56px, 9vw, 96px) clamp(34px, 5vw, 56px);
}

.page-privacy .pp-hero .crumb {
  margin: 0 0 18px;
}

.page-privacy .pp-hero .sec-kicker {
  display: block;
  margin: 0 0 12px;
}

.page-privacy .pp-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 6.2vw, 66px);
  line-height: 1.03;
  letter-spacing: -0.01em;
  color: var(--ice);
  max-width: 20ch;
}

.page-privacy .pp-lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.88;
  color: rgba(234, 242, 255, 0.82);
}

.page-privacy .pp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 正文骨架 ---------- */
.page-privacy .pp-body {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-block: clamp(36px, 5vw, 72px) clamp(48px, 7vw, 96px);
}

/* ---------- 章节索引 ---------- */
.page-privacy .pp-index {
  border: var(--line) solid var(--ink-700);
  background: var(--ink-800);
  padding: 16px 14px 18px;
  box-shadow: 4px 4px 0 var(--ink-700);
}

.page-privacy .pp-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist-dim);
}

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

.page-privacy .pp-index__list li {
  flex: 0 0 auto;
}

.page-privacy .pp-index__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid var(--ink-700);
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.2;
  white-space: nowrap;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-privacy .pp-index__list a:hover,
.page-privacy .pp-index__list a:focus-visible {
  color: var(--ice);
  border-color: rgba(40, 225, 255, 0.55);
  background: rgba(40, 225, 255, 0.07);
}

.page-privacy .pp-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* ---------- 正文窄栏 ---------- */
.page-privacy .pp-content {
  min-width: 0;
}

.page-privacy .pp-sec {
  position: relative;
  padding-block: clamp(28px, 4vw, 46px);
  scroll-margin-top: calc(var(--ticker-h) + 24px);
}

.page-privacy .pp-sec + .pp-sec::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--pp-line-soft);
}

.page-privacy .pp-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .pp-sec__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  flex: 0 0 auto;
}

.page-privacy .pp-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.1;
  letter-spacing: -0.005em;
  color: var(--ice);
}

.page-privacy .pp-sec p {
  max-width: 68ch;
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.92;
  color: rgba(234, 242, 255, 0.86);
}

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

.page-privacy .pp-list {
  max-width: 68ch;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.86;
  color: rgba(234, 242, 255, 0.86);
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

.page-privacy .pp-list strong {
  color: var(--ice);
  font-weight: 600;
}

.page-privacy .pp-list--tight li {
  padding-left: 20px;
  padding-block: 10px;
  border-bottom: 1px solid var(--ink-700);
}

.page-privacy .pp-note {
  max-width: 68ch;
  margin: 18px 0 0 !important;
  padding: 14px 16px;
  border-left: 3px solid var(--orange);
  background: rgba(22, 35, 63, 0.6);
  font-size: 14.5px !important;
  line-height: 1.82 !important;
  color: rgba(234, 242, 255, 0.76) !important;
}

/* ---------- 折叠条款 ---------- */
.page-privacy .pp-item {
  max-width: 68ch;
  margin: 0 0 10px;
  border: var(--line) solid var(--ink-700);
  background: var(--ink-800);
  transition: border-color 0.18s ease;
}

.page-privacy .pp-item:hover,
.page-privacy .pp-item[open] {
  border-color: rgba(40, 225, 255, 0.5);
}

.page-privacy .pp-item > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ice);
}

.page-privacy .pp-item > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pp-item > summary::after {
  content: "＋";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}

.page-privacy .pp-item[open] > summary::after {
  content: "－";
}

.page-privacy .pp-item__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--ink-700);
}

.page-privacy .pp-item__body p {
  margin: 14px 0 0 !important;
  font-size: 15px !important;
  line-height: 1.88 !important;
  color: rgba(234, 242, 255, 0.8) !important;
}

/* ---------- 权利卡 ---------- */
.page-privacy .pp-rights {
  max-width: 68ch;
  margin: 0 0 18px;
  display: grid;
  gap: 10px;
}

.page-privacy .pp-rights__item {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border: var(--line) solid var(--ink-700);
  background: linear-gradient(90deg, rgba(10, 23, 56, 0.95), rgba(10, 23, 56, 0.55));
}

.page-privacy .pp-rights__k {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.35;
  color: var(--cyan);
}

.page-privacy .pp-rights__item p {
  margin: 0 !important;
  font-size: 14.5px !important;
  line-height: 1.78 !important;
  color: rgba(234, 242, 255, 0.82) !important;
}

/* ---------- 联系信息 ---------- */
.page-privacy .pp-contact {
  max-width: 68ch;
  margin: 0 0 20px;
  border: var(--line) solid var(--ink-700);
  background: var(--ink-800);
}

.page-privacy .pp-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 14px 16px;
}

.page-privacy .pp-contact__item + .pp-contact__item {
  border-top: 1px solid var(--ink-700);
}

.page-privacy .pp-contact__k {
  flex: 0 0 84px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--mist-dim);
}

.page-privacy .pp-contact__v {
  font-size: 15px;
  color: var(--ice);
  word-break: break-word;
}

.page-privacy .pp-contact .copy-btn {
  margin-left: auto;
}

.page-privacy .pp-stamp {
  max-width: 68ch;
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--ink-700);
  font-size: 12px;
  letter-spacing: 0.06em;
  line-height: 1.9;
  color: var(--mist-dim);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .pp-foot {
  display: flex;
  justify-content: flex-end;
  padding-top: 28px;
}

.page-privacy .pp-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: var(--line) solid var(--ink-700);
  color: var(--mist);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.page-privacy .pp-top:hover,
.page-privacy .pp-top:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  transform: translateY(-2px);
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 960px) {
  .page-privacy .pp-body {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 88px);
    align-items: start;
  }

  .page-privacy .pp-index {
    position: sticky;
    top: calc(var(--ticker-h) + 22px);
    padding: 18px 16px 20px;
  }

  .page-privacy .pp-index__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .pp-index__list li + li {
    margin-top: 4px;
  }

  .page-privacy .pp-index__list a {
    border: 0;
    border-left: var(--line) solid transparent;
    padding: 8px 10px;
    white-space: normal;
  }

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

  .page-privacy .pp-title {
    max-width: 22ch;
  }
}

@media (min-width: 1280px) {
  .page-privacy .pp-rail,
  .page-privacy .pp-body {
    gap: clamp(56px, 6vw, 104px);
  }
}

@media (max-width: 559px) {
  .page-privacy .pp-hero__inner {
    padding-block: 46px 32px;
  }

  .page-privacy .pp-rights__item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .page-privacy .pp-contact__k {
    flex: 0 0 100%;
  }

  .page-privacy .pp-contact .copy-btn {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}