.page-privacy {
  --pp-hair: rgba(29, 58, 95, 0.9);
  --pp-shadow: rgba(2, 6, 16, 0.9);
  padding-bottom: 76px;
}

.page-privacy h1 {
  font-family: var(--font-display);
  font-size: clamp(30px, 8.2vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--foam);
  margin: 14px 0 0;
}

/* ---------- 首屏 ---------- */
.pp-hero {
  padding-top: 6px;
}

.pp-hero__grid {
  display: grid;
  gap: 26px;
}

.pp-hero__copy {
  max-width: 46ch;
}

.pp-hero__lede {
  margin: 16px 0 0;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.8;
}

.pp-hero__meta {
  list-style: none;
  margin: 22px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--blueprint);
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: var(--steel);
}

.pp-hero__meta .mono {
  color: var(--lime);
  font-size: 15px;
  margin-right: 6px;
}

.pp-hero__fig {
  margin: 0;
}

.pp-hero__fig .fig__frame {
  border: 2px solid var(--blueprint);
  box-shadow: 8px 8px 0 var(--pp-shadow);
  background: var(--hull);
}

.pp-hero__fig .fig__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.pp-hero__fig .fig__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

/* ---------- 主体两栏 ---------- */
.pp-body {
  margin-top: 44px;
  display: grid;
  gap: 30px;
}

/* ---------- 左侧索引 ---------- */
.pp-rail__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--steel);
}

.pp-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 16px;
  border-top: 1px solid var(--blueprint);
}

.pp-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 0;
  font-size: 13px;
  line-height: 1.4;
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px dotted rgba(29, 58, 95, 0.75);
  transition: color 0.18s ease, transform 0.18s ease;
}

.pp-rail__link .mono {
  font-size: 11px;
  color: var(--blueprint);
  transition: color 0.18s ease;
}

.pp-rail__link:hover,
.pp-rail__link:focus-visible {
  color: var(--foam);
  transform: translateX(3px);
}

.pp-rail__link:hover .mono,
.pp-rail__link:focus-visible .mono {
  color: var(--coral);
}

.pp-rail__card {
  margin-top: 22px;
  padding: 15px;
  border: 2px solid var(--blueprint);
  background: var(--buoy);
  box-shadow: 6px 6px 0 var(--pp-shadow);
}

.pp-rail__card p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink);
}

.pp-rail__copy {
  width: 100%;
  margin-top: 12px;
  text-align: left;
}

/* ---------- 条款正文 ---------- */
.pp-terms {
  min-width: 0;
}

.pp-sec {
  padding: 28px 0 30px;
  border-top: 1px solid var(--pp-hair);
  scroll-margin-top: 24px;
}

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

.pp-sec__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--coral);
}

.pp-sec__title {
  margin: 8px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(21px, 5.2vw, 29px);
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--foam);
}

.pp-sec p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

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

.pp-sec strong {
  color: var(--foam);
  font-weight: 700;
}

.pp-note {
  border-left: 3px solid var(--lime);
  background: rgba(245, 255, 74, 0.07);
  padding: 12px 14px;
  color: var(--foam) !important;
  font-size: 14px !important;
}

.pp-mail {
  color: var(--cyan);
  font-size: 14px;
  word-break: break-all;
}

/* 三分类卡片 */
.pp-kinds {
  display: grid;
  gap: 14px;
  margin-top: 6px;
}

.pp-kind {
  padding: 16px;
  border: 2px solid var(--blueprint);
  background: var(--buoy);
  box-shadow: 6px 6px 0 var(--pp-shadow);
}

.pp-kind__title {
  margin: 12px 0 10px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--foam);
}

/* 通用项目列表 */
.pp-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.pp-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 7px;
  height: 7px;
  background: var(--cyan);
}

.pp-list--lg {
  margin-bottom: 14px;
}

.pp-list--lg li::before {
  background: var(--coral);
}

/* 用途四步 */
.pp-steps {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.pp-steps li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 0 14px 0;
  border-bottom: 1px solid rgba(29, 58, 95, 0.6);
}

.pp-steps li:last-child {
  border-bottom: 0;
}

.pp-steps .mono {
  font-size: 15px;
  color: var(--deep);
  background: var(--cyan);
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 2px solid var(--foam);
}

.pp-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
}

/* 结尾指引 */
.pp-next {
  margin-top: 40px;
  padding: 20px 18px;
  border: 2px solid var(--coral);
  background: linear-gradient(135deg, rgba(255, 93, 58, 0.16), rgba(34, 230, 211, 0.07) 70%, rgba(5, 11, 26, 0.9));
  box-shadow: 8px 8px 0 var(--pp-shadow);
}

.pp-next p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--foam);
}

.pp-next a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 255, 74, 0.55);
  padding-bottom: 1px;
}

.pp-next a:hover,
.pp-next a:focus-visible {
  color: var(--foam);
  border-bottom-color: var(--foam);
}

/* 返回顶部浮标 */
.pp-top {
  position: fixed;
  right: 14px;
  bottom: 18px;
  z-index: 30;
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  background: var(--coral);
  color: var(--deep);
  border: 2px solid var(--deep);
  box-shadow: 4px 4px 0 var(--pp-shadow);
  text-decoration: none;
  transition: transform 0.18s ease, background 0.18s ease;
}

.pp-top .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--deep);
}

.pp-top:hover,
.pp-top:focus-visible {
  background: var(--lime);
  transform: translate(-2px, -2px);
}

/* ---------- 平板 ---------- */
@media (min-width: 760px) {
  .pp-kinds {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .pp-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .pp-top {
    right: 26px;
    bottom: 26px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .pp-hero__grid {
    grid-template-columns: 1.12fr 0.88fr;
    gap: 54px;
    align-items: end;
    padding-top: 18px;
  }

  .pp-body {
    grid-template-columns: 226px minmax(0, 1fr);
    gap: 58px;
    margin-top: 66px;
  }

  .pp-rail {
    position: sticky;
    top: 28px;
    align-self: start;
  }

  .pp-rail__list {
    grid-template-columns: 1fr;
    gap: 0;
    border-top: 0;
    border-left: 1px solid var(--blueprint);
  }

  .pp-rail__link {
    padding: 9px 0 9px 12px;
    border-bottom: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
  }

  .pp-rail__link:hover,
  .pp-rail__link:focus-visible {
    transform: none;
    border-left-color: var(--coral);
  }

  .pp-sec {
    padding: 34px 0 38px;
  }

  .pp-terms {
    max-width: 68ch;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .pp-rail__link,
  .pp-top {
    transition: none;
  }

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

  .pp-top:hover,
  .pp-top:focus-visible {
    transform: none;
  }
}