/* ===== 数据与隐私 ===== */
.page-privacy {
  --privacy-text: rgba(243, 239, 228, .78);
  --privacy-flow: 70ch;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
}

/* ---- 首屏 ---- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  padding: 76px 0 52px;
  background: var(--ink);
  border-bottom: 1px solid var(--line-strong);
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  left: -14%;
  width: 76%;
  height: 126%;
  background: var(--deep);
  border-right: 2px solid rgba(79, 224, 190, .24);
  transform: rotate(-7deg);
  z-index: 0;
}

.page-privacy .privacy-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .16;
  pointer-events: none;
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  mix-blend-mode: screen;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 2;
}

.page-privacy .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--paper-dim);
}

.page-privacy .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--stone);
}

.page-privacy .breadcrumb-link {
  color: var(--cyan);
  text-decoration: none;
}

.page-privacy .breadcrumb-link:hover,
.page-privacy .breadcrumb-link:focus-visible {
  text-decoration: underline;
}

.page-privacy .privacy-hero__kicker {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-privacy .privacy-hero__title {
  margin: 16px 0 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 6.4vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .privacy-hero__lede {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--privacy-text);
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: 30px;
}

.page-privacy .privacy-hero__note {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
}

/* ---- 修订标识 ---- */
.page-privacy .privacy-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 6px 13px;
  border: 2px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(233, 198, 74, .1);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--yellow);
  cursor: help;
}

.page-privacy .privacy-badge__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 12px);
  width: min(300px, 76vw);
  padding: 12px 14px;
  background: var(--moss);
  border: 2px solid var(--stone);
  box-shadow: var(--shadow-hard-sm);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(5px);
  transition: opacity var(--ease), transform var(--ease), visibility var(--ease);
  pointer-events: none;
  z-index: 6;
}

.page-privacy .privacy-badge:hover .privacy-badge__tip,
.page-privacy .privacy-badge:focus-visible .privacy-badge__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---- 正文骨架 ---- */
.page-privacy .privacy-body {
  background: var(--ink);
  background-image: linear-gradient(180deg, rgba(30, 68, 56, .38), rgba(14, 20, 18, 0) 340px);
  padding: 6px 0 64px;
}

.page-privacy .privacy-flow {
  padding-top: 10px;
}

.page-privacy .privacy-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 34px 0 30px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-section:first-child {
  border-top-color: var(--line-strong);
}

.page-privacy .privacy-section__num {
  margin: 0;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-privacy .privacy-section__title {
  margin: 0 0 16px;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(1.2rem, 2.6vw, 1.7rem);
  line-height: 1.4;
  color: var(--paper);
}

.page-privacy .privacy-section__content {
  max-width: var(--privacy-flow);
}

.page-privacy .privacy-section__content p {
  margin: 0 0 14px;
  font-size: 1.0625rem;
  line-height: 1.88;
  color: var(--privacy-text);
}

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

.page-privacy .privacy-section__content strong {
  color: var(--paper);
  font-weight: 600;
}

.page-privacy .privacy-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 224, 190, .45);
}

.page-privacy .privacy-link:hover,
.page-privacy .privacy-link:focus-visible {
  border-bottom-color: var(--cyan);
  background: rgba(79, 224, 190, .12);
}

/* ---- 保留期限表 ---- */
.page-privacy .privacy-retention {
  list-style: none;
  margin: 20px 0 22px;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-privacy .privacy-retention li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 18px;
  align-items: baseline;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-retention__key {
  font-size: .95rem;
  color: var(--paper);
}

.page-privacy .privacy-retention__val {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: .9rem;
  color: var(--cyan);
  white-space: nowrap;
}

/* ---- 强调说明块 ---- */
.page-privacy .privacy-callout {
  margin-top: 20px;
  padding: 18px 20px;
  background: var(--moss);
  border-left: 4px solid var(--cyan);
  border-radius: var(--radius);
}

.page-privacy .privacy-section__content .privacy-callout p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--paper);
}

/* ---- 侧边阅读进度线 ---- */
.page-privacy .privacy-rail {
  display: none;
}

/* ---- 页尾行动区 ---- */
.page-privacy .privacy-foot {
  padding: 56px 0 72px;
  background: var(--deep);
  border-top: 2px solid var(--line-strong);
}

.page-privacy .privacy-foot__inner {
  max-width: 860px;
}

.page-privacy .privacy-foot__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.6vw, 2.1rem);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .privacy-foot__lede {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--privacy-text);
}

.page-privacy .privacy-foot__links {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
}

.page-privacy .privacy-foot__links a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 20px;
  padding: 16px 18px;
  background: var(--moss);
  border: 2px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--paper);
  text-decoration: none;
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}

.page-privacy .privacy-foot__links a:hover,
.page-privacy .privacy-foot__links a:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hard-sm);
  border-color: var(--cyan);
}

.page-privacy .privacy-foot__label {
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: 1.05rem;
}

.page-privacy .privacy-foot__desc {
  font-size: .85rem;
  line-height: 1.7;
  color: var(--paper-dim);
}

.page-privacy .privacy-top {
  margin-top: 30px;
}

/* ---- 平板与桌面 ---- */
@media (min-width: 760px) {
  .page-privacy .privacy-hero {
    padding: 108px 0 72px;
  }

  .page-privacy .privacy-section {
    grid-template-columns: 62px minmax(0, 1fr);
    column-gap: 30px;
    padding: 42px 0 38px;
  }

  .page-privacy .privacy-section__num {
    text-align: right;
    padding-top: 5px;
  }
}

@media (min-width: 1080px) {
  .page-privacy .privacy-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 40px;
    column-gap: 52px;
    align-items: start;
  }

  .page-privacy .privacy-rail {
    display: block;
    position: sticky;
    top: 132px;
    height: min(54vh, 440px);
  }

  .page-privacy .privacy-rail__track {
    position: relative;
    width: 2px;
    height: 100%;
    margin-left: auto;
    background: var(--line);
    border-radius: 2px;
  }

  .page-privacy .privacy-rail__fill {
    position: absolute;
    inset: 0 0 auto 0;
    height: 100%;
    background: var(--cyan);
    border-radius: 2px;
    box-shadow: 0 0 12px rgba(79, 224, 190, .5);
    transform: scaleY(0);
    transform-origin: top center;
  }

  .page-privacy .privacy-retention li {
    padding: 17px 0;
  }
}

@supports (animation-timeline: scroll()) {
  @media (min-width: 1080px) {
    .page-privacy .privacy-rail__fill {
      animation-name: privacy-rail-grow;
      animation-duration: auto;
      animation-timing-function: linear;
      animation-fill-mode: both;
      animation-timeline: scroll(root block);
    }
  }
}

@keyframes privacy-rail-grow {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__fill {
    animation: none;
    transform: scaleY(1);
  }

  .page-privacy .privacy-foot__links a,
  .page-privacy .privacy-badge__tip {
    transition: none;
  }

  .page-privacy .privacy-foot__links a:hover,
  .page-privacy .privacy-foot__links a:focus-visible {
    transform: none;
  }
}