.page-privacy {
  --privacy-measure: 62ch;
  --privacy-soft-cyan: rgba(22, 224, 224, 0.42);
  position: relative;
  background: var(--ink);
  color: var(--body-text);
}

/* ---------- 顶部封面 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  border-bottom: 1px solid var(--steel);
}

.page-privacy .privacy-hero__art {
  position: absolute;
  inset: 0;
  opacity: 0.26;
  pointer-events: none;
}

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

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(6, 9, 12, 0.5) 0%, rgba(6, 9, 12, 0.88) 58%, var(--ink) 100%),
    linear-gradient(100deg, rgba(6, 9, 12, 0.92) 0%, rgba(6, 9, 12, 0.35) 70%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(40px, 8vw, 96px);
  padding-bottom: clamp(36px, 6vw, 68px);
  max-width: 880px;
}

.page-privacy .privacy-hero__eyebrow {
  margin: 20px 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-hero__title {
  margin: 0 0 20px;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--white);
  overflow-wrap: break-word;
}

.page-privacy .privacy-hero__lead {
  margin: 0;
  max-width: 56ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--body-text);
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 主体两栏 ---------- */

.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  padding-top: clamp(30px, 5vw, 60px);
  padding-bottom: clamp(52px, 8vw, 96px);
}

/* ---------- 目录 ---------- */

.page-privacy .privacy-toc {
  border-top: 2px solid var(--cyan);
  padding-top: 14px;
}

.page-privacy .privacy-toc__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--mist);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-toc__list li + li {
  border-top: 1px solid var(--steel);
}

.page-privacy .privacy-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 6px 10px 10px;
  border-left: 2px solid transparent;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  color: var(--white);
  border-left-color: var(--lime);
  background-color: rgba(22, 224, 224, 0.07);
  outline: none;
}

.page-privacy .privacy-toc__list a:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan);
}

.page-privacy .privacy-toc__num {
  flex: none;
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

/* ---------- 章节 ---------- */

.page-privacy .privacy-chapters {
  min-width: 0;
}

.page-privacy .privacy-chapter {
  position: relative;
  padding: 30px 0 30px 18px;
  border-top: 1px solid var(--steel);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-privacy .privacy-chapter::before {
  content: "";
  position: absolute;
  left: 0;
  top: 30px;
  bottom: 30px;
  width: 2px;
  background: var(--lime);
  transform: scaleY(0);
  opacity: 0;
  transform-origin: center;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.page-privacy .privacy-chapter:hover::before,
.page-privacy .privacy-chapter:focus-within::before {
  transform: scaleY(1);
  opacity: 1;
}

.page-privacy .privacy-chapter__num {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(44px, 9vw, 88px);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: rgba(22, 224, 224, 0.16);
}

@supports (-webkit-text-stroke: 1px #000) {
  .page-privacy .privacy-chapter__num {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--privacy-soft-cyan);
  }
}

.page-privacy .privacy-chapter__title {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(21px, 3.4vw, 29px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-privacy .privacy-chapter__body {
  max-width: var(--privacy-measure);
  margin-top: 16px;
  font-size: 16.5px;
  line-height: 1.82;
  overflow-wrap: break-word;
}

.page-privacy .privacy-chapter__body > p {
  margin: 0 0 16px;
}

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

.page-privacy .privacy-chapter__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(22, 224, 224, 0.42);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .privacy-chapter__body a:hover,
.page-privacy .privacy-chapter__body a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--lime);
}

/* ---------- 字段行 ---------- */

.page-privacy .privacy-rows {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--steel);
}

.page-privacy .privacy-rows > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 6px 14px 2px;
  border-bottom: 1px solid var(--steel);
  transition: background-color 0.18s ease;
}

.page-privacy .privacy-rows > li:hover {
  background-color: rgba(18, 24, 31, 0.85);
}

.page-privacy .privacy-rows__key {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-privacy .privacy-rows > li:hover .privacy-rows__key {
  color: var(--lime);
}

.page-privacy .privacy-rows__val {
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--body-text);
}

/* ---------- 强调提示 ---------- */

.page-privacy .privacy-note {
  margin: 20px 0 0;
  padding: 14px 18px;
  border-left: 2px solid var(--cyan);
  background: var(--deep);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--white);
  max-width: var(--privacy-measure);
}

/* ---------- 回顶与相关页 ---------- */

.page-privacy .privacy-foot {
  margin-top: 28px;
}

.page-privacy .privacy-backtop {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px dashed var(--dim);
  padding-bottom: 2px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .privacy-backtop:hover,
.page-privacy .privacy-backtop:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

.page-privacy .privacy-backtop:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan);
}

.page-privacy .privacy-related {
  margin-top: clamp(30px, 5vw, 54px);
  padding-top: 20px;
  border-top: 2px solid var(--steel);
}

.page-privacy .privacy-related__label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--mist);
}

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

.page-privacy .privacy-related__list a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--steel);
  background: var(--panel);
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.page-privacy .privacy-related__list a::after {
  content: "→";
  color: var(--cyan);
  transition: transform 0.18s ease;
}

.page-privacy .privacy-related__list a:hover,
.page-privacy .privacy-related__list a:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
  outline: none;
}

.page-privacy .privacy-related__list a:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan);
}

.page-privacy .privacy-related__list a:hover::after,
.page-privacy .privacy-related__list a:focus-visible::after {
  transform: translateX(3px);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-privacy .privacy-rows > li {
    grid-template-columns: 152px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-body {
    grid-template-columns: minmax(200px, 244px) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }

  .page-privacy .privacy-chapter {
    padding: 36px 0 36px 26px;
  }

  .page-privacy .privacy-chapter::before {
    top: 36px;
    bottom: 36px;
  }

  .page-privacy .privacy-chapter__head {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-hero__inner {
    max-width: 920px;
  }

  .page-privacy .privacy-body {
    grid-template-columns: minmax(220px, 268px) minmax(0, 1fr);
    gap: 68px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-chapter::before,
  .page-privacy .privacy-rows > li,
  .page-privacy .privacy-related__list a,
  .page-privacy .privacy-related__list a::after,
  .page-privacy .privacy-toc__list a {
    transition: none;
  }
}