.page-privacy {
  --p-measure: 940px;
  --p-rule: 3px;
  position: relative;
  padding: clamp(28px, 5vw, 52px) 0 clamp(72px, 10vw, 120px);
  background:
    radial-gradient(120% 58% at 50% 0%, rgba(18, 63, 107, .55) 0%, rgba(6, 23, 38, 0) 62%),
    var(--ink-900);
  color: var(--paper);
}

.page-privacy .privacy-column {
  max-width: var(--p-measure);
  margin: 0 auto;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding-top: clamp(18px, 3.5vw, 32px);
}

.page-privacy .privacy-hero__kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
}

.page-privacy .privacy-hero__ver {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--mist);
}

.page-privacy .privacy-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(42px, 8vw, 76px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-privacy .privacy-hero__title::after {
  content: "";
  display: block;
  width: 76px;
  height: 5px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--orange), var(--orange-soft) 70%, rgba(255, 163, 92, 0));
}

.page-privacy .privacy-hero__lede {
  max-width: 44em;
  margin: 22px 0 0;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-hero__lede strong {
  color: var(--paper);
  font-weight: 600;
}

.page-privacy .privacy-jump {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 22px;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 230, 198, .4);
  transition: color var(--dur), border-color var(--dur);
}

.page-privacy .privacy-jump:hover,
.page-privacy .privacy-jump:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.page-privacy .privacy-hero__figure {
  position: relative;
  margin: clamp(26px, 4vw, 42px) 0 0;
  overflow: hidden;
  background: var(--ink-800);
  clip-path: polygon(0 var(--cut), var(--cut) 0, 100% 0, 100% 100%, 0 100%);
}

.page-privacy .privacy-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(6, 23, 38, 0) 55%, rgba(6, 23, 38, .7) 100%);
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 目录 ---------- */
.page-privacy .privacy-toc--desktop {
  display: none;
}

.page-privacy .privacy-toc--mobile {
  display: block;
  margin-top: clamp(26px, 4vw, 36px);
  background: var(--ink-850);
  border: 1px solid var(--line);
}

.page-privacy .toc-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--paper);
}

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

.page-privacy .toc-summary::after {
  content: "+";
  font-size: 18px;
  line-height: 1;
  color: var(--orange);
}

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

.page-privacy .toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 18px;
  text-decoration: none;
  color: var(--mist);
  background: var(--ink-850);
  transition: background var(--dur), color var(--dur), box-shadow var(--dur);
}

.page-privacy .toc-link__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--orange);
}

.page-privacy .toc-link__label {
  font-size: 16px;
}

.page-privacy .privacy-toc--mobile .toc-link {
  border-top: 1px solid var(--line-soft);
  background: transparent;
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  color: var(--paper);
  background: var(--ink-800);
  box-shadow: inset 0 -2px 0 var(--orange);
}

/* ---------- 章节分隔色带 ---------- */
.page-privacy .privacy-rule {
  height: var(--p-rule);
  margin: clamp(38px, 6vw, 68px) 0 0;
  border: 0;
  background: linear-gradient(90deg, var(--orange) 0 18%, var(--ink-700) 18% 100%);
}

.page-privacy .privacy-rule--alt {
  background: linear-gradient(90deg, var(--ink-700) 0 82%, var(--orange) 82% 100%);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-chapter {
  display: grid;
  gap: 16px;
  padding: clamp(42px, 7vw, 82px) 0;
}

.page-privacy .privacy-chapter__num {
  font-family: var(--font-mono);
  font-size: clamp(44px, 8vw, 72px);
  font-weight: 700;
  line-height: .9;
  letter-spacing: .02em;
  color: var(--ink-700);
}

.page-privacy .privacy-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 4vw, 34px);
  line-height: 1.24;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-privacy .privacy-chapter__lede {
  margin: 16px 0 0;
  font-size: 17px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 三类信息 ---------- */
.page-privacy .privacy-spec {
  margin: 30px 0 0;
}

.page-privacy .privacy-spec__item {
  display: grid;
  gap: 8px;
  padding: 22px 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-privacy .privacy-spec dt {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}

.page-privacy .privacy-spec dt::before {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-privacy .privacy-spec dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 四类用途 ---------- */
.page-privacy .privacy-uses {
  display: grid;
  gap: 30px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-uses__item {
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-uses__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--orange);
}

.page-privacy .privacy-uses__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  color: var(--paper);
}

.page-privacy .privacy-uses__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 保存与共享 ---------- */
.page-privacy .privacy-prose {
  margin-top: 26px;
}

.page-privacy .privacy-prose p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-privacy .privacy-note {
  margin: 26px 0;
  padding: 22px 24px;
  background: rgba(47, 230, 198, .06);
  border-left: 3px solid var(--cyan);
}

.page-privacy .privacy-note p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper);
}

/* ---------- 权利条目 ---------- */
.page-privacy .privacy-claims {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}

.page-privacy .privacy-claim {
  position: relative;
  padding: 22px 24px 22px 26px;
  background: linear-gradient(180deg, rgba(12, 39, 64, .9), rgba(9, 32, 54, .9));
  border-left: 3px solid var(--ink-700);
  transition: border-color var(--dur), background var(--dur), transform var(--dur);
}

.page-privacy .privacy-claim::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 20px;
  height: 20px;
  background: linear-gradient(225deg, var(--ink-900) 50%, rgba(6, 23, 38, 0) 50%);
}

.page-privacy .privacy-claim:hover,
.page-privacy .privacy-claim:focus-within {
  border-left-color: var(--orange);
  background: linear-gradient(180deg, rgba(18, 63, 107, .92), rgba(12, 39, 64, .92));
  transform: translateY(-2px);
}

.page-privacy .privacy-claim__title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-privacy .privacy-claim:hover .privacy-claim__title,
.page-privacy .privacy-claim:focus-within .privacy-claim__title {
  color: var(--orange-soft);
}

.page-privacy .privacy-claim__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 底部斜切横幅 ---------- */
.page-privacy .privacy-cta {
  position: relative;
  margin-top: clamp(52px, 8vw, 92px);
  padding: clamp(32px, 5vw, 56px) clamp(24px, 5vw, 56px);
  overflow: hidden;
  background:
    linear-gradient(115deg, rgba(255, 107, 26, .15) 0 34%, rgba(255, 107, 26, 0) 34%),
    linear-gradient(160deg, var(--ink-800) 0%, var(--ink-850) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-privacy .privacy-cta::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--orange), var(--orange-soft));
}

.page-privacy .privacy-cta__kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-privacy .privacy-cta__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 32px);
  line-height: 1.28;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-privacy .privacy-cta__text {
  max-width: 42em;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 桌面端栅格 ---------- */
@media (min-width: 780px) {
  .page-privacy .privacy-toc--mobile {
    display: none;
  }

  .page-privacy .privacy-toc--desktop {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    margin-top: clamp(30px, 4vw, 46px);
    background: var(--line);
    border: 1px solid var(--line);
  }

  .page-privacy .privacy-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px 48px;
  }

  .page-privacy .privacy-claims {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-chapter {
    grid-template-columns: 100px minmax(0, 1fr);
    column-gap: 36px;
    align-items: start;
  }

  .page-privacy .privacy-chapter__num {
    position: sticky;
    top: 96px;
  }

  .page-privacy .privacy-spec__item {
    grid-template-columns: 200px minmax(0, 1fr);
    column-gap: 28px;
    align-items: baseline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-claim,
  .page-privacy .toc-link,
  .page-privacy .privacy-jump {
    transition: none;
  }

  .page-privacy .privacy-claim:hover,
  .page-privacy .privacy-claim:focus-within {
    transform: none;
  }
}