.page-privacy {
  --pp-maxw: 36em;
  --pp-toc: 210px;
  --pp-hair: 1px solid var(--line);
}

/* ---------- 首屏 ---------- */
.page-privacy .policy-hero {
  position: relative;
  overflow: hidden;
  padding: 64px 0 52px;
  background:
    radial-gradient(92% 72% at 88% 4%, rgba(31, 240, 206, 0.13), transparent 62%),
    linear-gradient(178deg, var(--void) 0%, var(--deep) 66%, var(--panel) 100%);
  border-bottom: var(--pp-hair);
}

.page-privacy .policy-hero::before {
  content: "";
  position: absolute;
  inset: -8% -6% 0 -6%;
  background-image:
    repeating-linear-gradient(90deg, rgba(36, 53, 47, 0.5) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(0deg, rgba(36, 53, 47, 0.32) 0 1px, transparent 1px 72px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  pointer-events: none;
}

.page-privacy .policy-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .policy-hero__grid {
  display: grid;
  gap: 34px;
  margin-top: 26px;
}

.page-privacy .policy-hero__text {
  min-width: 0;
}

.page-privacy .policy-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-size: clamp(28px, 5.4vw, 46px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 16ch;
}

.page-privacy .policy-hero__lede {
  margin-top: 18px;
  max-width: 34em;
}

.page-privacy .policy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 26px;
}

.page-privacy .policy-hero__aside {
  min-width: 0;
}

.page-privacy .policy-hero__figure {
  position: relative;
  width: 100%;
  max-width: 230px;
  aspect-ratio: 9 / 14;
  border: var(--pp-hair);
  border-radius: 22px;
  overflow: hidden;
  background: var(--panel);
}

.page-privacy .policy-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 52%, rgba(7, 12, 11, 0.78) 100%);
  pointer-events: none;
}

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

/* ---------- 正文容器 ---------- */
.page-privacy .policy-body {
  background: var(--void);
  padding: 52px 0 72px;
}

.page-privacy .policy-layout {
  display: grid;
  gap: 26px;
  align-items: start;
}

/* ---------- 章节导航 ---------- */
.page-privacy .policy-toc {
  border: var(--pp-hair);
  border-radius: 16px;
  background: var(--panel);
  padding: 15px 13px;
  min-width: 0;
}

.page-privacy .policy-toc__label {
  margin: 0 0 12px;
  padding-left: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .policy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 2px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
}

.page-privacy .policy-toc__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .policy-toc__list > li {
  flex: 0 0 auto;
}

.page-privacy .policy-toc__link {
  display: block;
  white-space: nowrap;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--silver);
  font-size: 13px;
  line-height: 1.5;
  text-decoration: none;
  transition:
    color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    background-color var(--dur-fast) var(--ease);
}

.page-privacy .policy-toc__link:hover,
.page-privacy .policy-toc__link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(31, 240, 206, 0.08);
  outline: none;
}

/* ---------- 章节折叠块 ---------- */
.page-privacy .policy-article {
  min-width: 0;
  max-width: 40em;
}

.page-privacy .policy-fold {
  border-top: var(--pp-hair);
  scroll-margin-top: 88px;
}

.page-privacy .policy-fold:last-of-type {
  border-bottom: var(--pp-hair);
}

.page-privacy .policy-fold__head {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 24px 6px 24px 22px;
  cursor: pointer;
  list-style: none;
}

.page-privacy .policy-fold__head::-webkit-details-marker {
  display: none;
}

.page-privacy .policy-fold__head::marker {
  content: "";
}

.page-privacy .policy-fold__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  border-radius: 2px;
  background: var(--line);
  transition: background-color var(--dur-base) var(--ease);
}

.page-privacy .policy-fold[open] .policy-fold__head::before,
.page-privacy .policy-fold__head:hover::before {
  background: var(--cyan);
}

.page-privacy .policy-fold__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
  border-radius: 8px;
}

.page-privacy .policy-fold__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.7vw, 25px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .policy-fold__mark {
  flex: 0 0 auto;
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: 7px;
  border: 1px solid var(--line);
  border-radius: 50%;
  transition:
    border-color var(--dur-fast) var(--ease),
    transform var(--dur-base) var(--ease);
}

.page-privacy .policy-fold__mark::before,
.page-privacy .policy-fold__mark::after {
  content: "";
  position: absolute;
  background: var(--silver);
  border-radius: 1px;
  transition:
    background-color var(--dur-fast) var(--ease),
    transform var(--dur-base) var(--ease);
}

.page-privacy .policy-fold__mark::before {
  left: 4px;
  right: 4px;
  top: 7px;
  height: 1px;
}

.page-privacy .policy-fold__mark::after {
  top: 4px;
  bottom: 4px;
  left: 7px;
  width: 1px;
}

.page-privacy .policy-fold[open] .policy-fold__mark {
  border-color: var(--cyan);
  transform: rotate(90deg);
}

.page-privacy .policy-fold[open] .policy-fold__mark::before {
  background: var(--cyan);
}

.page-privacy .policy-fold[open] .policy-fold__mark::after {
  transform: scaleY(0);
}

.page-privacy .policy-fold__body {
  padding: 0 6px 34px 22px;
  color: var(--paper);
}

/* ---------- 正文排版 ---------- */
.page-privacy .policy-fold__body p {
  margin: 0 0 16px;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper);
}

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

.page-privacy .policy-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  max-width: 34em;
  display: grid;
  gap: 15px;
}

.page-privacy .policy-list > li {
  position: relative;
  padding-left: 18px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--paper);
}

.page-privacy .policy-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .policy-key {
  color: var(--cyan);
  font-weight: 700;
  margin-right: 4px;
}

.page-privacy .policy-num {
  font-family: var(--font-mono);
  font-size: 0.95em;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-privacy .policy-terms {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  max-width: 34em;
  border-top: var(--pp-hair);
}

.page-privacy .policy-terms > li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: var(--pp-hair);
}

.page-privacy .policy-terms__k {
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
}

.page-privacy .policy-terms__v {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--silver);
}

.page-privacy .policy-note {
  margin: 22px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  max-width: 34em;
  font-size: 13px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 页尾延伸入口 ---------- */
.page-privacy .policy-related {
  background: var(--void);
  padding: 0 0 84px;
}

.page-privacy .policy-related__title {
  margin: 0 0 20px;
  padding-top: 28px;
  border-top: var(--pp-hair);
  font-family: var(--font-head);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

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

.page-privacy .policy-related__list a {
  display: block;
  padding: 14px 16px;
  border: var(--pp-hair);
  border-radius: 12px;
  color: var(--silver);
  font-size: 14.5px;
  line-height: 1.6;
  text-decoration: none;
  transition:
    color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    background-color var(--dur-fast) var(--ease);
}

.page-privacy .policy-related__list a:hover,
.page-privacy .policy-related__list a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(31, 240, 206, 0.06);
  outline: none;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-privacy .policy-terms > li {
    grid-template-columns: 10em minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }

  .page-privacy .policy-related__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 22px;
  }
}

@media (min-width: 900px) {
  .page-privacy .policy-hero {
    padding: 92px 0 68px;
  }

  .page-privacy .policy-hero__grid {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 60px;
    align-items: end;
    margin-top: 32px;
  }

  .page-privacy .policy-hero__figure {
    max-width: 100%;
  }
}

@media (min-width: 1000px) {
  .page-privacy .policy-body {
    padding: 72px 0 96px;
  }

  .page-privacy .policy-layout {
    grid-template-columns: var(--pp-toc) minmax(0, 1fr);
    gap: 72px;
  }

  .page-privacy .policy-toc {
    position: sticky;
    top: 32px;
    padding: 20px 16px 22px;
  }

  .page-privacy .policy-toc__list {
    flex-direction: column;
    gap: 1px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .policy-toc__list > li {
    flex: 0 1 auto;
    min-width: 0;
  }

  .page-privacy .policy-toc__link {
    white-space: normal;
    padding: 8px 10px;
    border: 0;
    border-left: 3px solid transparent;
    border-radius: 0 10px 10px 0;
    font-size: 13.5px;
    line-height: 1.6;
  }

  .page-privacy .policy-toc__link:hover,
  .page-privacy .policy-toc__link:focus-visible {
    background: rgba(31, 240, 206, 0.07);
    border-left-color: var(--cyan);
  }

  .page-privacy .policy-fold__head {
    padding: 28px 12px 28px 26px;
  }

  .page-privacy .policy-fold__head::before {
    top: 30px;
    bottom: 30px;
  }

  .page-privacy .policy-fold__body {
    padding: 0 12px 40px 26px;
  }
}

/* 降低动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .policy-fold__mark,
  .page-privacy .policy-fold__mark::before,
  .page-privacy .policy-fold__mark::after,
  .page-privacy .policy-toc__link,
  .page-privacy .policy-related__list a {
    transition: none;
  }
}

/* 打印：单栏输出，隐藏导航与图像 */
@media print {
  .page-privacy .policy-toc,
  .page-privacy .policy-hero__aside,
  .page-privacy .policy-related,
  .page-privacy .policy-fold__mark {
    display: none !important;
  }

  .page-privacy .policy-hero {
    background: none;
    border-bottom: var(--pp-hair);
    padding: 0 0 16px;
  }

  .page-privacy .policy-hero::before {
    display: none;
  }

  .page-privacy .policy-body,
  .page-privacy .policy-related {
    padding: 16px 0;
    background: none;
  }

  .page-privacy .policy-layout {
    display: block;
  }

  .page-privacy .policy-article {
    max-width: none;
  }

  .page-privacy .policy-fold__body {
    display: block !important;
    padding-left: 0;
  }

  .page-privacy .policy-fold__head {
    padding-left: 0;
  }

  .page-privacy .policy-fold__head::before {
    top: 6px;
    bottom: 6px;
  }
}