.page-privacy {
  --p-rule: rgba(126, 154, 146, 0.34);
  --p-rule-soft: rgba(126, 154, 146, 0.16);
  --p-index-w: 200px;
  padding-bottom: clamp(56px, 9vw, 120px);
}

.page-privacy .breadcrumbs {
  padding-top: clamp(18px, 3vw, 30px);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ── 首屏 ───────────────────────────────── */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.6vw, 52px) 0 clamp(34px, 6vw, 72px);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -46%;
  width: min(520px, 78vw);
  height: min(520px, 78vw);
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(43, 245, 200, 0.16), transparent 68%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  border-left: 1px solid var(--line);
  padding-left: clamp(14px, 3vw, 34px);
}

.page-privacy .privacy-hero__title {
  margin: 16px 0 0;
  max-width: 15em;
  font-size: clamp(34px, 7vw, 74px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.page-privacy .privacy-hero__lede {
  margin: 22px 0 0;
  max-width: 44ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

/* ── 长文骨架 ────────────────────────────── */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  border-top: 1px solid var(--p-rule);
  padding-top: clamp(22px, 3.6vw, 40px);
}

@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--p-index-w) minmax(0, 1fr);
    gap: clamp(44px, 6vw, 92px);
  }
}

/* ── 左侧章节索引 ────────────────────────── */
.page-privacy .privacy-index__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-privacy .privacy-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-privacy .privacy-index__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  color: var(--text);
  font-size: 13px;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .privacy-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.06em;
}

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

.page-privacy .privacy-index__list a:hover .privacy-index__no {
  color: var(--cyan-soft);
}

@media (min-width: 960px) {
  .page-privacy .privacy-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }

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

  .page-privacy .privacy-index__list a {
    padding: 9px 0 9px 14px;
    border: 0;
    border-left: 1px solid var(--line-soft);
    border-radius: 0;
    color: var(--muted);
    white-space: normal;
    transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
  }

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

/* ── 章节块 ──────────────────────────────── */
.page-privacy .privacy-block {
  position: relative;
  scroll-margin-top: 100px;
  padding: clamp(32px, 5vw, 58px) 0;
}

.page-privacy .privacy-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--p-rule);
}

.page-privacy .privacy-block::after {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  opacity: 0.6;
}

.page-privacy .privacy-block__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 24px);
}

.page-privacy .privacy-block__no {
  flex: 0 0 auto;
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 200;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--cyan-soft);
  opacity: 0.7;
}

.page-privacy .privacy-block__head .h2 {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-block__lede {
  margin: 14px 0 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.78;
}

/* ── 分类条目 ────────────────────────────── */
.page-privacy .privacy-items {
  display: grid;
  gap: 0;
  margin: clamp(20px, 3.2vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-item {
  display: grid;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-top: 1px solid var(--p-rule-soft);
}

.page-privacy .privacy-items .privacy-item:first-child {
  border-top: 0;
  padding-top: 0;
}

@media (min-width: 760px) {
  .page-privacy .privacy-item {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 42px);
    align-items: start;
  }

  .page-privacy .privacy-items .privacy-item:first-child {
    padding-top: 4px;
  }
}

.page-privacy .privacy-chip {
  justify-self: start;
  display: inline-block;
  padding: 5px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.page-privacy .privacy-item__body .h3 {
  margin: 0 0 8px;
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  line-height: 1.45;
}

.page-privacy .privacy-item__body p {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text);
}

/* ── 用途三栏 ────────────────────────────── */
.page-privacy .privacy-uses {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(12px, 2vw, 18px);
  margin: clamp(20px, 3.2vw, 32px) 0 0;
}

@media (min-width: 780px) {
  .page-privacy .privacy-uses {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-privacy .privacy-use {
  padding: 20px 18px 22px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--cyan);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-use:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-privacy .privacy-use__key {
  display: block;
  margin-bottom: 10px;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-privacy .privacy-use p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

.page-privacy .privacy-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-left: 16px;
  border-left: 1px solid var(--p-rule);
  max-width: 48ch;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

/* ── 中段图像 ────────────────────────────── */
.page-privacy .privacy-figure {
  margin: clamp(32px, 5.6vw, 64px) 0;
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(0.85) brightness(0.88);
  transition: filter var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-figure img:hover {
  filter: saturate(1) brightness(0.96);
  border-color: var(--line-strong);
}

.page-privacy .privacy-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--muted);
}

/* ── 操作步骤 ────────────────────────────── */
.page-privacy .privacy-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2.2vw, 20px);
  margin: clamp(20px, 3.2vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 700px) {
  .page-privacy .privacy-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-privacy .privacy-step {
  padding: 20px 18px 22px;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-step:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-privacy .privacy-step__no {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-privacy .privacy-step .h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
}

.page-privacy .privacy-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

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

.page-privacy .privacy-step a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ── 联系提示与收束 ──────────────────────── */
.page-privacy .privacy-contact {
  margin: clamp(22px, 3.2vw, 32px) 0 0;
  padding: 16px 18px;
  border: 1px dashed var(--line-strong);
  border-left: 3px solid var(--signal);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

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

.page-privacy .privacy-contact a:hover {
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(28px, 4vw, 42px);
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__list a,
  .page-privacy .privacy-use,
  .page-privacy .privacy-step,
  .page-privacy .privacy-figure img,
  .page-privacy .privacy-step a,
  .page-privacy .privacy-contact a {
    transition-duration: 0.01ms;
  }

  .page-privacy .privacy-use:hover,
  .page-privacy .privacy-step:hover {
    transform: none;
  }
}