.page-privacy {
  --privacy-measure: 680px;
  --privacy-toc-w: 216px;
  display: block;
}

/* ---------- 顶部横幅 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-950);
  padding-block: 44px 64px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), 0 100%);
}

.page-privacy .privacy-hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.38;
}

.page-privacy .privacy-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(102deg, var(--ink-950) 18%, rgba(5, 11, 22, 0.74) 58%, rgba(10, 31, 68, 0.5) 100%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
}

.page-privacy .privacy-hero .breadcrumbs {
  margin-bottom: 26px;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 12px 0 20px;
  max-width: 18ch;
}

.page-privacy .privacy-hero .lede {
  margin: 0;
  max-width: 620px;
  color: var(--slate);
  font-size: 16px;
  line-height: 1.8;
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-block: 40px 88px;
}

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

/* ---------- 章节导航 ---------- */
.page-privacy .privacy-toc {
  order: -1;
}

.page-privacy .privacy-toc__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-privacy .privacy-toc__item {
  flex: 0 0 auto;
}

.page-privacy .privacy-toc__link {
  display: block;
  min-height: 44px;
  padding: 9px 14px;
  border: 1px solid var(--steel);
  color: var(--slate);
  font-size: 14px;
  line-height: 26px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--green);
  border-color: var(--green);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section + .privacy-section {
  margin-top: 52px;
  padding-top: 46px;
  border-top: 1px solid var(--steel);
}

.page-privacy .privacy-section__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--green);
}

.page-privacy .privacy-section h2 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.24;
  color: var(--white);
}

.page-privacy .privacy-section p {
  margin: 0 0 16px;
  max-width: var(--privacy-measure);
  color: var(--slate);
  font-size: 16px;
  line-height: 1.85;
}

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

.page-privacy .privacy-section a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--green-dim);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

/* ---------- 信息条目 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-privacy .privacy-list li {
  padding-left: 18px;
  border-left: 1px solid var(--steel);
}

.page-privacy .privacy-list strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--white);
}

.page-privacy .privacy-list span {
  display: block;
  max-width: var(--privacy-measure);
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

.page-privacy .privacy-list--compact {
  gap: 16px;
}

/* ---------- 折叠补充说明 ---------- */
.page-privacy .privacy-fold {
  margin-top: 24px;
  max-width: var(--privacy-measure);
  border: 1px solid var(--steel);
  transition: border-color 0.2s var(--ease);
}

.page-privacy .privacy-fold[open] {
  border-color: var(--green-dim);
}

.page-privacy .privacy-fold__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--white);
  transition: color 0.2s var(--ease);
}

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

.page-privacy .privacy-fold__q::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--green);
}

.page-privacy .privacy-fold[open] .privacy-fold__q::after {
  content: "−";
}

.page-privacy .privacy-fold__q:hover {
  color: var(--green);
}

.page-privacy .privacy-fold__a {
  margin: 0;
  padding: 0 18px 18px;
  max-width: 100%;
  color: var(--slate);
  font-size: 15px;
  line-height: 1.8;
}

/* ---------- 自助操作条 ---------- */
.page-privacy .action-strip {
  margin-top: 26px;
  max-width: var(--privacy-measure);
  border: 1px solid var(--steel);
  display: grid;
}

.page-privacy .action-strip__row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 20px;
}

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

.page-privacy .action-strip__num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-privacy .action-strip h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--white);
}

.page-privacy .action-strip p {
  margin: 0;
  max-width: 520px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 邮箱直达 ---------- */
.page-privacy .privacy-reach {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-privacy .privacy-reach__mail {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--white);
  word-break: break-all;
}

.page-privacy .copy-btn {
  min-height: 44px;
  padding-inline: 18px;
}

.page-privacy .copy-btn__label {
  font-size: 14px;
}

.page-privacy .privacy-note {
  margin-top: 20px;
}

/* ---------- 收尾轨迹 ---------- */
.page-privacy .privacy-close {
  position: relative;
  height: 128px;
  margin-top: 68px;
  overflow: hidden;
}

.page-privacy .privacy-close::before {
  content: "";
  position: absolute;
  inset: -20% -6%;
  background: repeating-linear-gradient(
    100deg,
    rgba(0, 230, 118, 0.22) 0 1px,
    transparent 1px 24px
  );
  transform: skewY(-4deg);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
}

.page-privacy .privacy-close::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--steel) 20%, var(--steel) 80%, transparent);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 1024px) {
  .page-privacy .privacy-hero {
    padding-block: 76px 104px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, var(--privacy-measure)) var(--privacy-toc-w);
    justify-content: space-between;
    gap: 64px;
    padding-block: 72px 120px;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 88px;
    align-self: start;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .privacy-toc__item {
    flex: none;
  }

  .page-privacy .privacy-toc__link {
    position: relative;
    min-height: 44px;
    padding: 10px 0 10px 16px;
    border: 0;
    border-left: 1px solid var(--steel);
    white-space: normal;
    line-height: 1.5;
  }

  .page-privacy .privacy-toc__link::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 6px;
    bottom: 6px;
    width: 2px;
    background: var(--green);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.25s var(--ease);
  }

  .page-privacy .privacy-toc__link:hover::before,
  .page-privacy .privacy-toc__link:focus-visible::before {
    transform: scaleY(1);
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    border-left-color: var(--green);
  }

  .page-privacy .privacy-section + .privacy-section {
    margin-top: 64px;
    padding-top: 56px;
  }

  .page-privacy .action-strip__row {
    grid-template-columns: 52px minmax(0, 1fr);
    padding: 26px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-toc__link::before,
  .page-privacy .privacy-fold,
  .page-privacy .privacy-fold__q {
    transition: none;
  }
}