.page-privacy {
  --pp-rule: rgba(138, 154, 181, 0.20);
  --pp-rule-soft: rgba(138, 154, 181, 0.12);
  --pp-panel-bg: rgba(19, 31, 56, 0.66);
  --pp-card-bg: rgba(19, 31, 56, 0.60);

  position: relative;
  overflow-x: hidden;
  isolation: isolate;
  background:
    radial-gradient(1100px 620px at 10% -10%, rgba(0, 229, 208, 0.10), transparent 62%),
    radial-gradient(880px 520px at 98% 4%, rgba(255, 90, 31, 0.09), transparent 60%),
    var(--jj-night);
  color: var(--jj-field);
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--jj-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--jj-grid) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.40;
  pointer-events: none;
}

.page-privacy > * {
  position: relative;
  z-index: 1;
}

/* ---------- 顶部 ---------- */

.pp-hero {
  position: relative;
  padding: clamp(30px, 6vw, 64px) 0 clamp(24px, 4vw, 42px);
}

.pp-hero::after {
  content: "";
  position: absolute;
  top: -70px;
  right: -90px;
  width: min(48vw, 520px);
  height: min(48vw, 520px);
  background: linear-gradient(140deg, rgba(0, 229, 208, 0.14), rgba(255, 90, 31, 0) 62%);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
  z-index: 0;
}

.pp-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
}

.pp-hero__title {
  margin: 12px 0 16px;
  font-family: var(--jj-font-display);
  font-weight: 900;
  font-size: clamp(2rem, 5.6vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--jj-field);
}

.pp-hero__lead {
  max-width: 52ch;
  margin: 0;
  color: var(--jj-text-soft);
}

.pp-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.pp-hero__fig {
  margin: 0;
}

/* ---------- 主体骨架 ---------- */

.pp-body {
  display: grid;
  gap: clamp(24px, 3.5vw, 44px);
  padding-bottom: clamp(56px, 9vw, 110px);
}

/* ---------- 左侧条款索引 ---------- */

.pp-nav {
  padding: 16px;
  border: 1px solid var(--pp-rule);
  border-radius: var(--jj-radius);
  background: var(--pp-panel-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.pp-nav__head {
  margin: 0 0 12px;
  font-family: var(--jj-font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--jj-cyan);
}

.pp-nav__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.pp-nav__list > li {
  flex: 0 0 auto;
}

.pp-nav__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid var(--pp-rule);
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.3;
  color: var(--jj-text-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--jj-ease), border-color 0.2s var(--jj-ease), background-color 0.2s var(--jj-ease);
}

.pp-nav__no {
  font-family: var(--jj-font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--jj-orange);
}

.pp-nav__link:hover,
.pp-nav__link:focus-visible {
  color: var(--jj-cyan);
  border-color: var(--jj-cyan);
}

.pp-nav__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--jj-slate);
}

/* ---------- 右侧条款正文 ---------- */

.pp-content {
  display: grid;
  gap: 0;
  min-width: 0;
}

.pp-clause {
  position: relative;
  padding: clamp(26px, 3.6vw, 40px) 0;
  border-top: 1px solid var(--pp-rule);
  scroll-margin-top: 122px;
}

.pp-clause:first-child {
  border-top: 0;
  padding-top: 2px;
}

.pp-clause--end {
  padding-bottom: 0;
}

.pp-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
}

.pp-clause__no {
  flex: 0 0 auto;
  padding-right: 14px;
  border-right: 2px solid var(--jj-cyan);
  font-family: var(--jj-font-mono);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--jj-orange);
  transition: color 0.25s var(--jj-ease);
}

.pp-clause:target .pp-clause__no {
  color: var(--jj-lime);
}

.pp-clause__title {
  margin: 0;
  font-family: var(--jj-font-serif);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.8vw, 1.65rem);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--jj-field);
}

.pp-clause__title a {
  color: inherit;
  text-decoration: none;
}

.pp-clause__title a:hover,
.pp-clause__title a:focus-visible {
  color: var(--jj-cyan);
}

.pp-clause__lead {
  max-width: 68ch;
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--jj-text-soft);
}

/* ---------- 条目清单 ---------- */

.pp-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pp-list__item {
  position: relative;
  max-width: 68ch;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--jj-text-soft);
}

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

.pp-list__item b {
  color: var(--jj-field);
  font-weight: 600;
}

.pp-list--pair .pp-list__item {
  max-width: none;
}

/* ---------- 用途四格 ---------- */

.pp-grid4 {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pp-grid4__item {
  padding: 16px 16px 18px;
  border: 1px solid var(--pp-rule);
  border-top: 2px solid var(--jj-cyan);
  border-radius: 12px;
  background: var(--pp-card-bg);
}

.pp-grid4__k {
  margin: 0 0 8px;
  font-family: var(--jj-font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--jj-cyan);
}

.pp-grid4__v {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--jj-text-soft);
}

/* ---------- 修订说明 ---------- */

.pp-rev {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 3vw, 30px);
  border-radius: var(--jj-radius-lg);
  border-left: 3px solid var(--jj-lime);
}

.pp-rev__label {
  margin: 0;
  font-family: var(--jj-font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--jj-lime);
}

.pp-rev__code {
  margin: 0;
  font-family: var(--jj-font-mono);
  font-weight: 700;
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--jj-field);
}

.pp-rev__text {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--jj-text-soft);
}

.pp-rev .jj-btns {
  margin-top: 4px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .pp-grid4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (min-width: 760px) {
  .pp-list {
    gap: 16px;
  }

  .pp-list--pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 30px;
  }
}

@media (min-width: 900px) {
  .pp-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: center;
  }

  .pp-hero__fig {
    transform: translateY(-16px) rotate(-1.4deg);
  }
}

@media (min-width: 980px) {
  .pp-body {
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
  }

  .pp-nav {
    position: sticky;
    top: 108px;
    padding: 18px 16px;
  }

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

  .pp-nav__list > li {
    flex: 0 0 auto;
  }

  .pp-nav__link {
    border: 0;
    border-left: 2px solid var(--pp-rule);
    border-radius: 0 10px 10px 0;
    padding: 10px 12px;
    white-space: normal;
  }

  .pp-nav__link:hover,
  .pp-nav__link:focus-visible {
    background: rgba(0, 229, 208, 0.07);
    border-left-color: var(--jj-cyan);
  }
}

@media (min-width: 1200px) {
  .pp-grid4 {
    gap: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pp-hero__fig {
    transform: none;
  }

  .pp-nav__link,
  .pp-clause__no {
    transition: none;
  }
}