.page-privacy {
  --pp-c1: #35E6D6;
  --pp-c2: #A86BFF;
  --pp-c3: #F5B841;
  --pp-c4: #FF8A5B;
  background: var(--ink);
  color: var(--cloud);
}

.page-privacy .privacy-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  z-index: 70;
  pointer-events: none;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 48px;
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(42, 26, 94, 0.82) 0%, transparent 58%),
    radial-gradient(90% 70% at 100% 18%, rgba(7, 34, 43, 0.9) 0%, transparent 62%),
    var(--ink);
}

.page-privacy .privacy-hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(to bottom, var(--line) 0 1px, transparent 1px 64px);
  opacity: 0.55;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 94%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 94%);
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 46%, transparent 92%);
}

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

.page-privacy .privacy-coord {
  margin: 26px 0 0;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.34em;
  color: var(--mist);
}

.page-privacy .privacy-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--cloud);
  max-width: 17ch;
}

.page-privacy .privacy-lede {
  margin: 22px 0 0;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--mist);
}

.page-privacy .privacy-banner {
  margin-top: 40px;
  aspect-ratio: 1200 / 420;
}

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

/* ---------- 主体 ---------- */
.page-privacy .privacy-body {
  padding: 48px 0 72px;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 52%, var(--teal) 100%);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

/* ---------- 右侧索引 ---------- */
.page-privacy .privacy-rail {
  order: -1;
  border-top: 2px solid var(--line-strong);
  padding-top: 16px;
}

.page-privacy .privacy-rail-tag {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--mist);
}

.page-privacy .privacy-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.page-privacy .privacy-rail-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-privacy .privacy-rail-list a:hover,
.page-privacy .privacy-rail-list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--line-strong);
}

.page-privacy .privacy-rail-num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-sec {
  position: relative;
  padding-top: 36px;
  margin-top: 36px;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .privacy-sec:first-of-type {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-privacy .privacy-sec::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 62px;
  height: 3px;
  background: var(--pp-accent, var(--cyan));
}

.page-privacy .privacy-sec:first-of-type::before {
  top: 0;
}

.page-privacy #collect { --pp-accent: var(--cyan); }
.page-privacy #usage { --pp-accent: var(--violet); }
.page-privacy #cookies { --pp-accent: var(--gold); }
.page-privacy #retention { --pp-accent: var(--amber); }
.page-privacy #rights { --pp-accent: var(--cyan); }

.page-privacy .privacy-sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 6px;
  margin-bottom: 20px;
}

.page-privacy .privacy-sec-num {
  grid-row: 1 / span 2;
  font-family: var(--font-num);
  font-size: clamp(26px, 5vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--pp-accent, var(--cyan));
}

.page-privacy .privacy-sec-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.32;
  letter-spacing: 0.01em;
  color: var(--cloud);
}

.page-privacy .privacy-sec-kicker {
  grid-column: 2;
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--mist);
}

.page-privacy .privacy-sec p {
  margin: 0 0 16px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--cloud);
}

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

.page-privacy .privacy-sec a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 214, 0.42);
  transition: border-color 0.2s ease;
}

.page-privacy .privacy-sec a:hover,
.page-privacy .privacy-sec a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--cloud);
  opacity: 0.9;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 2px;
  background: var(--pp-accent, var(--cyan));
}

.page-privacy .privacy-list strong {
  font-weight: 700;
  color: var(--cloud);
  opacity: 1;
}

/* ---------- 保存期限表 ---------- */
.page-privacy .privacy-matrix {
  margin: 22px 0 24px;
  border: 2px solid var(--line-strong);
  background: rgba(7, 34, 43, 0.55);
  box-shadow: var(--shadow-hard);
}

.page-privacy .privacy-matrix-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 6px 16px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-matrix-row:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-matrix-key {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--cloud);
}

.page-privacy .privacy-matrix-val {
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--gold);
  white-space: nowrap;
}

/* ---------- 收束 ---------- */
.page-privacy .privacy-tail {
  margin-top: 46px;
  padding-top: 32px;
  border-top: 2px solid var(--line-strong);
}

.page-privacy .privacy-tail h2 {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.08em;
  color: var(--cloud);
}

.page-privacy .privacy-tail-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-tail-list li {
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-tail-list li:first-child {
  border-top: 0;
}

.page-privacy .privacy-tail-list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 14px 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--cloud);
  text-decoration: none;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.page-privacy .privacy-tail-list a:hover,
.page-privacy .privacy-tail-list a:focus-visible {
  color: var(--cyan);
  padding-left: 8px;
}

.page-privacy .privacy-tail-list a span {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-privacy a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 768px) {
  .page-privacy .privacy-hero {
    padding: calc(var(--header-h) + 64px) 0 72px;
  }

  .page-privacy .privacy-lede {
    font-size: 17px;
  }

  .page-privacy .privacy-body {
    padding: 72px 0 104px;
  }

  .page-privacy .privacy-matrix-row {
    grid-template-columns: 1fr auto;
    padding: 16px 20px;
  }
}

/* ---------- 桌面：窄栏正文 + 竖排索引 ---------- */
@media (min-width: 1020px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 640px) 216px;
    gap: 72px;
    justify-content: center;
    align-items: start;
  }

  .page-privacy .privacy-rail {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 30px);
    display: flex;
    gap: 18px;
    border-top: 0;
    border-left: 2px solid var(--line-strong);
    padding-top: 0;
    padding-left: 18px;
  }

  .page-privacy .privacy-rail-tag {
    flex: 0 0 auto;
    margin: 0;
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: 0.3em;
  }

  .page-privacy .privacy-rail-list {
    display: grid;
    flex-wrap: nowrap;
    gap: 15px;
    align-content: start;
  }

  .page-privacy .privacy-sec p {
    font-size: 16.5px;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 680px) 230px;
    gap: 84px;
  }
}

/* ---------- 窄屏 ---------- */
@media (max-width: 767px) {
  .page-privacy .privacy-banner {
    aspect-ratio: 16 / 9;
  }

  .page-privacy .privacy-matrix-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .privacy-matrix-val {
    font-size: 18px;
  }

  .page-privacy .privacy-sec-head {
    column-gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail-list a,
  .page-privacy .privacy-tail-list a,
  .page-privacy .privacy-sec a {
    transition: none;
  }
}