.page-privacy {
  --privacy-doc: 720px;
  --privacy-index-w: 200px;
  --privacy-gap: clamp(24px, 4vw, 56px);
  background: var(--bg);
}

/* 顶部纹理带 */
.page-privacy .privacy-band {
  position: relative;
  margin: 0;
  border-bottom: 2px solid var(--line);
  overflow: hidden;
  background: var(--surface);
}

.page-privacy .privacy-band img {
  display: block;
  width: 100%;
  height: clamp(150px, 22vw, 280px);
  object-fit: cover;
  opacity: 0.78;
}

.page-privacy .privacy-band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(0, 245, 196, 0.07) 0 1px,
      transparent 1px 5px
    ),
    linear-gradient(to top, var(--bg) 0%, transparent 62%);
}

/* 主体骨架 */
.page-privacy .privacy-shell {
  display: grid;
  grid-template-columns: var(--privacy-index-w) minmax(0, var(--privacy-doc));
  justify-content: center;
  gap: var(--privacy-gap);
  align-items: start;
  padding-top: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(56px, 8vw, 112px);
}

/* 左侧粘性编号导航 */
.page-privacy .privacy-index {
  position: sticky;
  top: 88px;
  align-self: start;
}

.page-privacy .privacy-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}

.page-privacy .privacy-index__list a .n {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-privacy .privacy-index__list a:hover,
.page-privacy .privacy-index__list a:focus-visible {
  color: var(--text);
  border-left-color: var(--cyan);
  background: var(--surface);
}

/* 文档区 */
.page-privacy .privacy-doc {
  min-width: 0;
  max-width: var(--privacy-doc);
}

.page-privacy .privacy-head {
  margin-top: 18px;
  padding-left: 18px;
  border-left: 3px solid var(--cyan);
}

.page-privacy .privacy-head .lede {
  max-width: 58ch;
}

/* 条文 */
.page-privacy .privacy-item {
  margin-top: clamp(40px, 6vw, 72px);
  padding-top: 22px;
  border-top: 2px solid var(--line);
  scroll-margin-top: 108px;
}

.page-privacy .privacy-item__no {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-privacy .privacy-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.4vw, 27px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--text);
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
}

.page-privacy .privacy-key {
  display: inline-block;
  margin-right: 6px;
  padding: 0 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--bg);
  background: var(--cyan);
  border-radius: 2px;
}

.page-privacy .privacy-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--line-strong);
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* 期限三栏 */
.page-privacy .privacy-terms {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2px;
  border: 2px solid var(--line);
  background: var(--line);
}

.page-privacy .privacy-term {
  padding: 18px 16px 20px;
  background: var(--surface);
}

.page-privacy .privacy-term__value {
  display: block;
  font-size: clamp(30px, 4.6vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .privacy-term__unit {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--yellow);
}

.page-privacy .privacy-term__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .privacy-term--local .privacy-term__value {
  font-size: clamp(22px, 3.4vw, 30px);
  color: var(--text);
}

/* 邮箱条 */
.page-privacy .privacy-mail {
  margin: 22px 0 0;
  padding: 16px 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  border: 2px solid var(--line-strong);
  border-left: 4px solid var(--orange);
  background: var(--surface);
  box-shadow: var(--shadow-hard);
}

.page-privacy .privacy-mail__label {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-privacy .privacy-mail__addr {
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--text);
  word-break: break-all;
}

.page-privacy .privacy-links {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-privacy .privacy-links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

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

/* 回到顶部 */
.page-privacy .privacy-top {
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: clamp(12px, 3vw, 28px);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--bg);
  background: var(--cyan);
  border: 2px solid var(--cyan);
  border-radius: var(--radius);
  text-decoration: none;
  box-shadow: var(--shadow-hard);
  transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  background: var(--cyan-dim);
  border-color: var(--cyan-dim);
  color: var(--bg);
}

/* 平板：取消固定侧栏，索引改成横向标签 */
@media (max-width: 960px) {
  .page-privacy .privacy-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .page-privacy .privacy-index {
    position: static;
    padding: 14px 16px;
    border: 2px solid var(--line);
    background: var(--surface);
  }

  .page-privacy .privacy-index__title {
    margin-bottom: 10px;
  }

  .page-privacy .privacy-index__list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .page-privacy .privacy-index__list li {
    flex: 0 0 auto;
  }

  .page-privacy .privacy-index__list a {
    padding: 7px 11px;
    border: 1px solid var(--line);
    font-size: 13px;
  }

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

  .page-privacy .privacy-doc {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .page-privacy .privacy-head {
    padding-left: 14px;
  }

  .page-privacy .privacy-term {
    padding: 16px 14px;
  }

  .page-privacy .privacy-terms {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-term--local {
    grid-column: 1 / -1;
  }

  .page-privacy .privacy-list li {
    font-size: 15px;
  }

  .page-privacy .privacy-top {
    padding: 8px 11px;
    font-size: 11px;
  }
}