.page-privacy {
  --privacy-rail-w: 15.5rem;
  --privacy-gutter: 1.25rem;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding-block: 2.75rem 2.5rem;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: -2rem -1rem auto -1rem;
  height: 26rem;
  background-image:
    linear-gradient(rgba(168, 180, 190, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(168, 180, 190, 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(120% 80% at 20% 0%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 80% at 20% 0%, #000 0%, transparent 78%);
  pointer-events: none;
  z-index: 0;
}

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

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: 1.5rem;
}

.page-privacy .privacy-hero .eyebrow {
  display: block;
  margin-bottom: 0.75rem;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2rem, 7.2vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--rice);
  margin: 0 0 1.1rem;
  max-width: 22ch;
}

.page-privacy .privacy-hero .lead {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--mist);
  margin: 0;
  max-width: 60ch;
}

.page-privacy .privacy-hero__visual {
  margin-top: 2.25rem;
  border: 1px solid var(--hairline);
  background: var(--ink-slate);
  overflow: hidden;
}

.page-privacy .privacy-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-privacy .privacy-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 2rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--mist);
}

.page-privacy .privacy-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
}

.page-privacy .privacy-hero__facts .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1.0625rem;
  color: var(--gold-light);
  letter-spacing: 0.02em;
}

/* ---------- 双栏主体 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
  padding-block: 2.5rem 4rem;
}

.page-privacy .privacy-main {
  min-width: 0;
}

/* ---------- 索引栏 ---------- */
.page-privacy .privacy-rail {
  order: -1;
  min-width: 0;
  padding: 1rem var(--privacy-gutter);
  background: var(--glass);
  border: 1px solid var(--line);
}

.page-privacy .privacy-rail__label {
  margin: 0 0 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-privacy .privacy-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.3rem 0.6rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line);
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-privacy .privacy-rail__link .mono {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--rice);
  border-color: var(--gold);
  background: rgba(201, 162, 39, 0.08);
}

.page-privacy .privacy-rail__note {
  margin: 1rem 0 0;
  font-family: var(--font-serif);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-sec {
  padding-block: 2rem;
  border-top: 1px solid var(--line);
}

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

.page-privacy .privacy-sec__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1rem;
  margin-bottom: 0.6rem;
}

.page-privacy .privacy-sec__num {
  position: relative;
  flex: none;
  padding-left: 2.1rem;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-privacy .privacy-sec__num::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1.5rem;
  height: 1px;
  background: var(--gold);
}

.page-privacy .privacy-sec__title {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.375rem, 4.6vw, 1.875rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--rice);
  margin: 0;
}

.page-privacy .privacy-sec__summary {
  margin: 0 0 1.5rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--gold);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--gold-light);
  max-width: 56ch;
}

/* ---------- 01 信息三类 ---------- */
.page-privacy .privacy-collect {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .privacy-collect__item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.85rem;
  padding: 1.25rem;
  background: var(--ink-slate);
  border-left: 2px solid var(--terracotta);
}

.page-privacy .privacy-collect__idx {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--terracotta-ink);
}

.page-privacy .privacy-collect__body h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1.0625rem;
  letter-spacing: -0.01em;
  color: var(--rice);
}

.page-privacy .privacy-collect__body p {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--mist);
  max-width: 52ch;
}

/* ---------- 02 用途表 ---------- */
.page-privacy .privacy-uses {
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-uses .datalist__row {
  border-bottom: 1px solid var(--line);
  padding-block: 0.95rem;
}

.page-privacy .privacy-uses .datalist__key {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--rice);
}

.page-privacy .privacy-uses .datalist__val {
  font-family: var(--font-serif);
  color: var(--mist);
}

/* ---------- 03 共享积分池 ---------- */
.page-privacy .privacy-pool {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .privacy-pool__figure {
  padding: 1.5rem 1.25rem;
  background: var(--ink-slate);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.page-privacy .privacy-pool__num {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 3rem;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold-light);
}

.page-privacy .privacy-pool__cap {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--rice);
}

.page-privacy .privacy-pool__figure p {
  margin: 0.5rem 0 0;
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--mist);
  max-width: 44ch;
}

.page-privacy .privacy-pool__rules {
  padding: 1.5rem 1.25rem;
  background: var(--rock-grey);
}

.page-privacy .privacy-pool__rules h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1rem;
  color: var(--rice);
}

.page-privacy .privacy-pool__rules ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.page-privacy .privacy-pool__rules li {
  position: relative;
  padding-left: 1.1rem;
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-pool__rules li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 0.4rem;
  height: 1px;
  background: var(--celadon);
}

/* ---------- 折叠组 ---------- */
.page-privacy .privacy-fold {
  margin-top: 1.25rem;
}

/* ---------- 04 时间刻度 ---------- */
.page-privacy .privacy-scale {
  margin: 0 0 1.5rem;
  padding: 1.5rem 1.25rem 1.25rem;
  background: var(--ink-slate);
  border: 1px solid var(--line);
}

.page-privacy .privacy-scale__track {
  position: relative;
  height: 0.4rem;
  background: rgba(168, 180, 190, 0.14);
  border-radius: 999px;
  overflow: hidden;
}

.page-privacy .privacy-scale__fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 100%;
  background: linear-gradient(90deg, var(--celadon) 0%, var(--gold) 62%, var(--gold-light) 100%);
}

.page-privacy .privacy-scale__mark {
  position: absolute;
  top: 50%;
  width: 0.7rem;
  height: 0.7rem;
  margin-top: -0.35rem;
  border-radius: 50%;
  background: var(--ink-abyss);
  border: 2px solid var(--gold-light);
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-privacy .privacy-scale__mark--start { left: 0; transform: translateX(0); }
.page-privacy .privacy-scale__mark--end { right: 0; }

.page-privacy .privacy-scale__track:hover .privacy-scale__mark,
.page-privacy .privacy-scale__track:focus-within .privacy-scale__mark {
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.18);
}

.page-privacy .privacy-scale__axis {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 0.85rem 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--mist);
}

.page-privacy .privacy-scale__axis .mono {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--gold-light);
  margin-right: 0.15rem;
}

.page-privacy .privacy-scale figcaption {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-serif);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-keep .datalist__row {
  border-bottom: 1px solid var(--line);
  padding-block: 0.9rem;
}

.page-privacy .privacy-keep .datalist__key {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--rice);
}

.page-privacy .privacy-keep .datalist__val {
  font-family: var(--font-serif);
  color: var(--mist);
}

/* ---------- 05 权利 ---------- */
.page-privacy .privacy-rights {
  display: grid;
  gap: 1rem;
}

.page-privacy .privacy-right {
  padding: 1.15rem 1.25rem;
  background: var(--ink-slate);
  border-left: 2px solid var(--celadon);
}

.page-privacy .privacy-right h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 1rem;
  color: var(--rice);
}

.page-privacy .privacy-right p {
  margin: 0 0 0.7rem;
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
  max-width: 54ch;
}

.page-privacy .privacy-right__where {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--celadon);
  padding: 0.15rem 0.5rem;
  border: 1px solid rgba(111, 168, 147, 0.35);
}

/* ---------- 06 联系 ---------- */
.page-privacy .privacy-contact {
  padding: 1.5rem 1.25rem;
  background: var(--rock-grey);
  border-top: 2px solid var(--gold);
}

.page-privacy .privacy-contact__text {
  margin: 0 0 1.25rem;
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--rice);
  max-width: 58ch;
}

.page-privacy .privacy-contact .datalist__row {
  display: grid;
  gap: 0.2rem;
  padding-block: 0.7rem;
  border-bottom: 1px solid rgba(168, 180, 190, 0.16);
}

.page-privacy .privacy-contact .datalist__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .privacy-contact .datalist__key {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-privacy .privacy-contact .datalist__val {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--rice);
  word-break: break-word;
}

.page-privacy .privacy-contact .datalist__val.mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--gold-light);
}

.page-privacy .privacy-contact__next {
  margin: 1.75rem 0 0;
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--mist);
}

.page-privacy .privacy-contact__next a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid var(--hairline);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .privacy-contact__next a:hover,
.page-privacy .privacy-contact__next a:focus-visible {
  color: var(--rice);
  border-bottom-color: var(--gold);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-collect {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .privacy-pool {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: stretch;
  }

  .page-privacy .privacy-rights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-contact {
    padding: 1.75rem 1.75rem 1.5rem;
  }

  .page-privacy .privacy-contact .datalist__row {
    grid-template-columns: 9rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    padding-block: 3.25rem 3rem;
  }

  .page-privacy .privacy-hero__visual {
    margin-top: 2.75rem;
  }

  .page-privacy .privacy-body {
    grid-template-columns: minmax(0, 1fr) var(--privacy-rail-w);
    gap: 3.5rem;
    padding-block: 3rem 5rem;
  }

  .page-privacy .privacy-main {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .privacy-rail {
    grid-column: 2;
    grid-row: 1;
    order: 0;
    align-self: start;
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    padding: 0 0 0 1.25rem;
    background: transparent;
    border: 0;
    border-left: 1px solid var(--line);
  }

  .page-privacy .privacy-rail__label {
    margin-bottom: 1rem;
  }

  .page-privacy .privacy-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0.15rem;
  }

  .page-privacy .privacy-rail__link {
    padding: 0.4rem 0.5rem;
    border-color: transparent;
    border-left: 2px solid transparent;
  }

  .page-privacy .privacy-rail__link:hover,
  .page-privacy .privacy-rail__link:focus-visible {
    border-color: transparent;
    border-left-color: var(--gold);
    background: rgba(201, 162, 39, 0.07);
  }

  .page-privacy .privacy-sec {
    padding-block: 2.5rem;
  }

  .page-privacy .privacy-rail__note {
    margin-top: 1.25rem;
    padding-left: 0.5rem;
  }
}

@media (min-width: 1100px) {
  .page-privacy .privacy-collect__item {
    grid-template-columns: 2.5rem minmax(0, 1fr);
    padding: 1.5rem 1.75rem;
  }

  .page-privacy .privacy-scale {
    padding: 1.75rem 1.75rem 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-scale__mark,
  .page-privacy .privacy-contact__next a {
    transition: none;
  }
}