.page-privacy {
  --pp-index-w: 248px;
  --pp-reading: 66ch;
  background: var(--ink-black);
  color: var(--text-body);
}

.page-privacy a {
  color: var(--volt);
}

/* ---------- 头部 ---------- */

.page-privacy .privacy-hero {
  padding-block: clamp(1.4rem, 4vw, 2.6rem) clamp(1rem, 3vw, 1.6rem);
}

.page-privacy .privacy-hero .label {
  color: var(--fog);
}

.page-privacy .privacy-hero__title {
  margin: 0.9rem 0 0;
  max-width: 16ch;
  font-family: var(--stack-sans);
  font-size: clamp(2.1rem, 7vw, 4.2rem);
  font-weight: 200;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-privacy .privacy-hero__lede {
  margin: 1.3rem 0 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-soft);
}

/* ---------- 首屏图带 ---------- */

.page-privacy .privacy-banner {
  position: relative;
  margin: 0;
  border: 1px solid var(--hairline);
  background: var(--graphite);
  overflow: hidden;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: grayscale(0.4) contrast(1.06);
}

.page-privacy .privacy-banner__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0.55rem 1rem;
  background: rgba(6, 8, 11, 0.86);
  border-top: 1px solid var(--neon);
  border-right: 1px solid var(--neon);
  color: var(--neon);
  font-family: var(--stack-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
}

/* ---------- 长文骨架 ---------- */

.page-privacy .privacy-shell {
  padding-block: clamp(2rem, 5vw, 3.4rem);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 5vw, 3rem);
  align-items: start;
}

/* ---------- 条款索引 ---------- */

.page-privacy .privacy-index {
  border-top: 1px solid var(--hairline);
  padding-top: 1rem;
}

.page-privacy .privacy-index__label {
  margin: 0 0 0.85rem;
  font-family: var(--stack-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--fog);
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

.page-privacy .privacy-index__list a {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.5rem 0.2rem 0.5rem 0;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.55;
  border-bottom: 1px solid transparent;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

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

.page-privacy .privacy-index__list .num {
  font-size: 0.78rem;
  color: var(--fog);
}

/* ---------- 章节 ---------- */

.page-privacy .privacy-body {
  display: grid;
  min-width: 0;
}

.page-privacy .privacy-sec {
  padding-block: clamp(1.7rem, 4.5vw, 2.7rem);
  border-top: 1px solid var(--hairline);
  scroll-margin-top: 6rem;
}

.page-privacy .privacy-sec:first-child {
  border-top: none;
  padding-top: 0;
}

.page-privacy .privacy-sec__num {
  margin: 0;
  font-family: var(--stack-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--neon);
}

.page-privacy .privacy-sec__title {
  margin: 0.45rem 0 1rem;
  font-size: clamp(1.28rem, 3.4vw, 1.72rem);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: #ffffff;
}

.page-privacy .privacy-sec p {
  margin: 0 0 0.9rem;
  max-width: var(--pp-reading);
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-soft);
}

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

/* ---------- 条目列表 ---------- */

.page-privacy .info-list {
  list-style: none;
  margin: 1.15rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-privacy .info-list > li {
  max-width: var(--pp-reading);
  padding: 0.1rem 0 0.1rem 1rem;
  border-left: 2px solid var(--neon);
}

.page-privacy .info-list__term {
  display: block;
  margin-bottom: 0.28rem;
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
}

.page-privacy .info-list__desc {
  display: block;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 折叠说明 ---------- */

.page-privacy .privacy-details {
  margin-top: 1.2rem;
  max-width: var(--pp-reading);
  border: 1px solid var(--hairline);
  background: var(--graphite);
}

.page-privacy .privacy-details > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
}

.page-privacy .privacy-details > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-details > summary::after {
  content: "+";
  font-family: var(--stack-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--neon);
}

.page-privacy .privacy-details[open] > summary::after {
  content: "–";
}

.page-privacy .privacy-details__body {
  padding: 0 1rem 1rem;
  font-size: 0.93rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 反相章节 ---------- */

.page-privacy .privacy-sec--paper {
  margin-block: clamp(1.2rem, 3vw, 2rem);
  border-top: none;
  padding: clamp(1.5rem, 4vw, 2.4rem);
  background: var(--paper);
}

.page-privacy .privacy-sec--paper .privacy-sec__num {
  color: var(--deep-green);
}

.page-privacy .privacy-sec--paper .privacy-sec__title {
  color: var(--ink-on-paper);
}

.page-privacy .privacy-sec--paper p {
  color: var(--text-on-paper-soft);
}

.page-privacy .privacy-sec--paper .info-list > li {
  border-left-color: var(--deep-green);
}

.page-privacy .privacy-sec--paper .info-list__term {
  color: var(--ink-on-paper);
}

.page-privacy .privacy-sec--paper .info-list__desc {
  color: var(--text-on-paper-soft);
}

/* ---------- 提示条 ---------- */

.page-privacy .privacy-callout {
  max-width: var(--pp-reading);
  margin-top: 1.2rem !important;
  padding: 0.9rem 1.1rem;
  border-left: 3px solid var(--volt);
  background: rgba(60, 140, 255, 0.08);
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-privacy .privacy-sec--paper .privacy-callout {
  background: rgba(60, 140, 255, 0.1);
  color: var(--text-on-paper-soft);
}

/* ---------- 页尾工具条 ---------- */

.page-privacy .privacy-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: clamp(1.5rem, 4vw, 2.4rem);
  border-top: 1px solid var(--hairline);
}

.page-privacy .privacy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  font-size: 0.88rem;
}

.page-privacy .privacy-links a {
  color: var(--fog);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--hairline);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-privacy .privacy-top {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--stack-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  border-bottom-color: var(--neon);
}

/* ---------- 桌面端 ---------- */

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--pp-index-w) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 5.5rem;
    border-top: none;
    border-left: 1px solid var(--hairline);
    padding-top: 0;
    padding-left: 1.1rem;
  }

  .page-privacy .privacy-sec--paper {
    margin-inline: calc(clamp(1.5rem, 4vw, 2.4rem) * -1);
  }
}

@media (min-width: 1320px) {
  .page-privacy .privacy-hero__lede {
    font-size: 1.06rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__list a,
  .page-privacy .privacy-links a,
  .page-privacy .privacy-top {
    transition: none;
  }
}