.page-privacy {
  --pr-line: rgba(201, 210, 206, .28);
  --pr-soft: rgba(244, 241, 233, .78);
  background: var(--c-night);
  color: var(--c-paper);
  overflow-x: hidden;
}

/* ===== 首屏 ===== */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(1.5rem, 5vw, 3rem) 0 clamp(3.5rem, 9vw, 6.5rem);
  background:
    radial-gradient(110% 80% at 90% 0%, rgba(23, 194, 106, .20), transparent 58%),
    radial-gradient(80% 70% at 2% 100%, rgba(245, 165, 36, .16), transparent 60%),
    linear-gradient(166deg, var(--c-stand) 0%, var(--c-night) 66%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4vw), 0 100%);
}

.page-privacy .privacy-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin: 1.2rem 0 1.1rem;
  padding: .35rem .85rem;
  border: 1px solid rgba(127, 240, 176, .5);
  border-radius: 999px;
  color: var(--c-neon);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
}

.page-privacy .privacy-hero__title {
  max-width: 20ch;
  margin: 0 0 1.1rem;
  font-size: clamp(1.9rem, 6.2vw, 3.25rem);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--c-paper);
}

.page-privacy .privacy-hero__lead {
  max-width: 58ch;
  margin: 0 0 1.9rem;
  font-size: clamp(1rem, 1.9vw, 1.0625rem);
  line-height: 1.8;
  color: var(--pr-soft);
}

.page-privacy .privacy-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .875rem;
  color: rgba(244, 241, 233, .68);
}

.page-privacy .privacy-hero__facts li {
  position: relative;
  padding-left: 1rem;
}

.page-privacy .privacy-hero__facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-turf);
}

/* ===== 主体栅格 ===== */
.page-privacy .privacy-body {
  padding: clamp(1rem, 3vw, 2.25rem) 0 clamp(3rem, 9vw, 6rem);
}

.page-privacy .privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.6rem;
}

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

/* ===== 左窄索引栏 ===== */
.page-privacy .privacy-rail {
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--pr-line);
}

.page-privacy .privacy-rail .rail__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .2em;
  color: var(--c-amber);
  text-transform: uppercase;
}

.page-privacy .privacy-rail__nav {
  display: flex;
  gap: .45rem;
  margin-top: .8rem;
  padding-bottom: .4rem;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-rail__nav::-webkit-scrollbar {
  height: 3px;
}

.page-privacy .privacy-rail__nav::-webkit-scrollbar-thumb {
  background: rgba(110, 139, 147, .55);
  border-radius: 3px;
}

.page-privacy .privacy-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: .45rem;
  flex: 0 0 auto;
  padding: .45rem .75rem;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--pr-soft);
  font-size: .875rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              background-color var(--t-fast) var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--c-neon);
  border-color: rgba(127, 240, 176, .55);
  background: rgba(127, 240, 176, .07);
  outline: none;
}

.page-privacy .privacy-rail__idx {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--c-amber);
}

/* ===== 章节卡片 ===== */
.page-privacy .pri-sec {
  scroll-margin-top: 5.5rem;
  margin-bottom: clamp(1.3rem, 3.4vw, 2.1rem);
}

.page-privacy .pri-sec__card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.35rem, 3.4vw, 2.4rem) clamp(1.2rem, 3vw, 2.2rem) clamp(1.4rem, 3.4vw, 2.4rem) clamp(1.5rem, 3.6vw, 2.7rem);
  border-radius: var(--radius-l);
  background: var(--c-paper);
  color: var(--c-night);
  box-shadow: 0 26px 54px -36px rgba(0, 0, 0, .95);
}

.page-privacy .pri-sec__card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--c-turf), var(--c-amber));
}

.page-privacy .pri-sec:nth-of-type(3n+2) .pri-sec__card::before {
  background: linear-gradient(180deg, var(--c-amber), var(--c-score));
}

.page-privacy .pri-sec:nth-of-type(3n+3) .pri-sec__card::before {
  background: linear-gradient(180deg, var(--c-indigo), var(--c-turf));
}

.page-privacy .pri-sec__no {
  display: block;
  margin-bottom: .55rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .22em;
  color: var(--c-wine);
}

.page-privacy .pri-sec__title {
  margin: 0 0 .95rem;
  font-size: clamp(1.25rem, 3.4vw, 1.6rem);
  line-height: 1.32;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--c-night);
}

.page-privacy .pri-sec__body {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-night);
}

.page-privacy .pri-sec__body p {
  margin: 0 0 .9rem;
}

.page-privacy .pri-sec__body p:last-child {
  margin-bottom: 0;
}

.page-privacy .pri-sec__body a {
  color: var(--c-wine);
  text-decoration: underline;
  text-underline-offset: .22em;
  text-decoration-thickness: 1px;
  transition: color var(--t-fast) var(--ease);
}

.page-privacy .pri-sec__body a:hover,
.page-privacy .pri-sec__body a:focus-visible {
  color: var(--c-score);
  outline: none;
}

/* ===== 列表 ===== */
.page-privacy .pri-list {
  display: grid;
  gap: .95rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-privacy .pri-list:last-child {
  margin-bottom: 0;
}

.page-privacy .pri-list > li {
  position: relative;
  padding-left: 1.5rem;
}

.page-privacy .pri-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: .7rem;
  height: 2px;
  border-radius: 2px;
  background: var(--c-turf);
}

.page-privacy .pri-list > li > strong {
  display: block;
  margin-bottom: .18rem;
  font-weight: 700;
  color: var(--c-night);
}

/* ===== 提示条 ===== */
.page-privacy .pri-note {
  margin-top: 1.15rem;
  padding: .85rem 1rem;
  border-left: 3px solid var(--c-amber);
  border-radius: var(--radius-s);
  background: rgba(245, 165, 36, .16);
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--c-night);
}

/* ===== 内联流向图 ===== */
.page-privacy .pri-flow {
  max-width: 440px;
  margin: 1.6rem auto 0;
  width: 100%;
}

.page-privacy .pri-flow svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .pri-flow__caption {
  margin-top: .65rem;
  text-align: center;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: rgba(11, 26, 43, .58);
}

/* ===== 中段纹理带 ===== */
.page-privacy .pri-band {
  margin: 0 0 clamp(1.3rem, 3.4vw, 2.1rem);
  border-radius: var(--radius-l);
  overflow: hidden;
}

.page-privacy .pri-band img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-privacy .pri-band .frame__caption {
  color: rgba(244, 241, 233, .68);
}

/* ===== 返回顶部 ===== */
.page-privacy .to-top {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 30;
  padding: .6rem 1rem;
  border: 1px solid rgba(127, 240, 176, .5);
  border-radius: 999px;
  background: rgba(11, 26, 43, .92);
  color: var(--c-neon);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--t-mid) var(--ease), visibility var(--t-mid) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-privacy .to-top.is-visible,
.page-privacy .to-top:focus-visible {
  opacity: 1;
  visibility: visible;
}

.page-privacy .to-top:hover {
  border-color: var(--c-amber);
  color: var(--c-amber);
}

/* ===== 平板 ===== */
@media (min-width: 680px) {
  .page-privacy .pri-flow {
    max-width: 480px;
  }
}

/* ===== 桌面 ===== */
@media (min-width: 1000px) {
  .page-privacy .privacy-grid {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 6.5rem;
    padding-bottom: 0;
    border-bottom: 0;
    border-left: 1px solid var(--pr-line);
    padding-left: 1rem;
  }

  .page-privacy .privacy-rail__nav {
    flex-direction: column;
    gap: .15rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-rail__link {
    border-radius: var(--radius-s);
    padding: .5rem .6rem;
    white-space: normal;
    justify-content: flex-start;
  }

  .page-privacy .privacy-hero__title {
    max-width: 24ch;
  }
}

/* ===== 减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link,
  .page-privacy .to-top,
  .page-privacy .pri-sec__body a {
    transition: none;
  }
}