.page-privacy {
  --privacy-rule: rgba(11, 17, 20, 0.12);
  --privacy-rule-soft: rgba(11, 17, 20, 0.07);
  display: block;
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  background: linear-gradient(180deg, var(--blue-stand) 0%, var(--ink) 72%);
  color: var(--paper);
  padding: 40px 0 0;
  overflow: hidden;
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: 28px;
}

.page-privacy .privacy-hero .breadcrumb__item {
  color: var(--mist);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.page-privacy .privacy-hero .breadcrumb__item[aria-current="page"] {
  color: var(--green-bright);
}

.page-privacy .privacy-hero .breadcrumb__sep {
  color: var(--glass-line);
  margin: 0 10px;
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--paper);
  margin: 18px 0 22px;
  max-width: 780px;
}

.page-privacy .privacy-hero__lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--silver);
  max-width: 640px;
  margin: 0;
}

.page-privacy .privacy-hero__figure {
  position: relative;
  margin: 44px 0 0;
}

.page-privacy .privacy-hero__figure::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 130px;
  background: linear-gradient(180deg, rgba(244, 239, 228, 0) 0%, var(--paper) 92%);
  pointer-events: none;
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  object-position: center 35%;
}

/* ---------- 正文容器 ---------- */
.page-privacy .privacy-body {
  background: var(--paper);
  color: var(--ink-text);
  padding: 60px 0 88px;
}

.page-privacy .privacy-layout {
  display: grid;
  gap: 40px;
}

/* ---------- 左侧条款索引 ---------- */
.page-privacy .privacy-index__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-ink);
  margin: 0 0 16px;
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 12px;
}

.page-privacy .privacy-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  color: var(--ink-text);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.page-privacy .privacy-index__link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--green-ink);
  flex: none;
}

.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  border-left-color: var(--green);
  background: var(--paper-2);
  color: var(--green-ink);
}

.page-privacy .privacy-index__note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--privacy-rule);
  font-size: 13px;
  line-height: 1.75;
  color: var(--green-ink);
  max-width: 24em;
}

/* ---------- 条款块 ---------- */
.page-privacy .privacy-content {
  display: grid;
  gap: 0;
}

.page-privacy .clause {
  border-top: 1px solid var(--privacy-rule);
  padding: 0;
}

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

.page-privacy .clause__heading {
  margin: 0;
}

.page-privacy .clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  width: 100%;
  padding: 30px 0 10px;
  background: none;
  border: 0;
  color: inherit;
  text-align: left;
  cursor: pointer;
  font: inherit;
}

.page-privacy .clause__head:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 4px;
}

.page-privacy .clause:first-child .clause__head {
  padding-top: 6px;
}

.page-privacy .clause__num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange-ink);
}

.page-privacy .clause__title {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.22;
  color: var(--ink-text);
  letter-spacing: -0.005em;
}

.page-privacy .fold__mark {
  flex: none;
  align-self: center;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--green-ink);
  border-bottom: 2px solid var(--green-ink);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 280ms ease;
}

.page-privacy .clause__head[aria-expanded="false"] .fold__mark {
  transform: rotate(-45deg) translateX(-2px);
}

.page-privacy .fold__panel {
  display: block;
}

.page-privacy .clause__body {
  padding: 6px 0 38px;
}

.page-privacy .clause__lead {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-text);
  max-width: 38em;
}

.page-privacy .clause__foot {
  margin: 24px 0 0;
  padding: 16px 0 0 16px;
  border-left: 3px solid var(--green);
  font-size: 15px;
  line-height: 1.8;
  color: var(--green-ink);
  max-width: 38em;
}

.page-privacy .clause__link {
  color: var(--green-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .clause__link:hover,
.page-privacy .clause__link:focus-visible {
  color: var(--orange-ink);
}

/* ---------- 三类信息 ---------- */
.page-privacy .term-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

.page-privacy .term {
  display: grid;
  gap: 8px;
}

.page-privacy .term__name {
  margin: 0;
}

.page-privacy .term__desc {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-text);
  max-width: 40em;
}

/* ---------- 四件用途 ---------- */
.page-privacy .use-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-privacy .use__title {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--green-ink);
  letter-spacing: 0.01em;
}

.page-privacy .use__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-text);
  max-width: 36em;
}

/* ---------- 事实条目（期限 / 权利 / 更新） ---------- */
.page-privacy .fact-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .fact {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-top: 1px solid var(--privacy-rule-soft);
}

.page-privacy .fact:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-privacy .fact__key {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--green-ink);
  letter-spacing: 0.02em;
}

.page-privacy .fact__val {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--ink-text);
  max-width: 40em;
}

.page-privacy .term-hl {
  font-family: var(--font-mono);
  color: var(--orange-ink);
  border-bottom: 1px dashed var(--orange-soft);
  cursor: help;
  padding-bottom: 1px;
  white-space: nowrap;
}

/* ---------- 尾段延伸阅读 ---------- */
.page-privacy .privacy-more {
  background: var(--ink);
  color: var(--paper);
  padding: 64px 0 76px;
}

.page-privacy .privacy-more__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.2;
  color: var(--paper);
  margin: 0 0 28px;
}

.page-privacy .privacy-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-privacy .privacy-more__item {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-top: 1px solid var(--glass-line-soft);
}

.page-privacy .privacy-more__item:first-child {
  border-top: 1px solid var(--glass-line);
}

.page-privacy .privacy-more__link {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--green-bright);
  text-decoration: none;
  width: fit-content;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms ease, color 180ms ease;
}

.page-privacy .privacy-more__link:hover,
.page-privacy .privacy-more__link:focus-visible {
  color: var(--orange-soft);
  border-bottom-color: currentColor;
}

.page-privacy .privacy-more__desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--silver);
  max-width: 42em;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-hero {
    padding-top: 56px;
  }

  .page-privacy .term {
    grid-template-columns: 136px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-privacy .use-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
    row-gap: 30px;
  }

  .page-privacy .fact {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-privacy .privacy-more__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 48px;
  }

  .page-privacy .privacy-more__item:nth-child(2) {
    border-top: 1px solid var(--glass-line);
  }
}

/* ---------- 桌面：侧栏索引 + 收窄正文 ---------- */
@media (min-width: 1024px) {
  .page-privacy .privacy-hero {
    padding-top: 64px;
  }

  .page-privacy .privacy-body {
    padding: 72px 0 108px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 76px;
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 96px;
  }

  .page-privacy .privacy-index__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-privacy .clause__body {
    padding: 10px 0 48px;
  }

  .page-privacy .clause__head {
    padding: 36px 0 12px;
  }

  .page-privacy .privacy-more__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-privacy .privacy-more__item:nth-child(2) {
    border-top: 1px solid var(--glass-line);
  }

  .page-privacy .privacy-more__item:nth-child(3),
  .page-privacy .privacy-more__item:nth-child(4) {
    border-top: 1px solid var(--glass-line);
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 560px) {
  .page-privacy .privacy-index__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .privacy-hero__title {
    font-size: 30px;
  }

  .page-privacy .privacy-hero__lead,
  .page-privacy .clause__lead,
  .page-privacy .term__desc,
  .page-privacy .fact__val,
  .page-privacy .use__desc {
    font-size: 15px;
  }

  .page-privacy .clause__head {
    gap: 10px;
  }

  .page-privacy .privacy-hero__figure::after {
    height: 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__link,
  .page-privacy .clause__head .fold__mark,
  .page-privacy .privacy-more__link {
    transition: none;
  }
}