.page-privacy {
  --privacy-measure: 68ch;
  --privacy-rule: 1px solid var(--scale);
  display: block;
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink);
  border-bottom: var(--bw) solid var(--scale);
}

.page-privacy .privacy-hero__img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: 0.52;
}

.page-privacy .privacy-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg, rgba(6, 26, 46, 0.96) 0%, rgba(6, 26, 46, 0.78) 48%, rgba(11, 42, 69, 0.4) 100%),
    linear-gradient(115deg, rgba(0, 224, 208, 0.2) 0%, rgba(18, 58, 90, 0.26) 58%, rgba(6, 26, 46, 0) 100%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: clamp(17rem, 44vw, 26rem);
  padding-block: clamp(2.5rem, 7vw, 5rem) clamp(1.9rem, 4.5vw, 3.2rem);
}

.page-privacy .privacy-hero__kicker {
  margin: 0 0 0.85rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-hero__title {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(2.6rem, 9.5vw, 5.5rem);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .privacy-hero__lead {
  margin: 1.1rem 0 0;
  max-width: 62ch;
  font-size: clamp(1rem, 0.95rem + 0.35vw, 1.16rem);
  line-height: 1.78;
  color: rgba(234, 246, 255, 0.86);
}

.page-privacy .privacy-hero__meta {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 1.5rem 0 0;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--mute);
}

.page-privacy .privacy-hero__sep {
  width: 1px;
  height: 0.85rem;
  background: var(--scale);
}

/* 主体两栏 */
.page-privacy .privacy-body__grid {
  display: grid;
  grid-template-areas:
    "toc"
    "main";
  gap: var(--gap);
}

@media (min-width: 1040px) {
  .page-privacy .privacy-body__grid {
    grid-template-columns: minmax(0, 1fr) 252px;
    grid-template-areas: "main toc";
    column-gap: clamp(2rem, 5vw, 4.5rem);
  }
}

.page-privacy .privacy-main {
  grid-area: main;
  min-width: 0;
}

/* 条款目录 */
.page-privacy .privacy-toc {
  grid-area: toc;
  border: var(--bw) solid var(--scale);
  background: var(--panel);
  padding: 1rem 1.1rem 1.15rem;
}

.page-privacy .privacy-toc__label {
  margin: 0 0 0.8rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-privacy .privacy-toc__list {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.22rem 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

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

.page-privacy .privacy-toc__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-privacy .privacy-toc__num {
  flex: none;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

@media (min-width: 1040px) {
  .page-privacy .privacy-toc {
    position: sticky;
    top: 6.5rem;
    align-self: start;
  }
}

/* 条款 */
.page-privacy .privacy-clause {
  padding-block: clamp(1.4rem, 3vw, 2.2rem);
  border-top: var(--privacy-rule);
  scroll-margin-top: 6.5rem;
}

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

.page-privacy .privacy-clause:target {
  background: linear-gradient(90deg, rgba(0, 224, 208, 0.09) 0%, rgba(0, 224, 208, 0) 68%);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-privacy .privacy-clause__title {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin: 0 0 0.95rem;
  font-family: var(--sans);
  font-size: clamp(1.14rem, 1.04rem + 0.45vw, 1.42rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-privacy .privacy-clause__num {
  flex: none;
  padding: 0.08rem 0.42rem;
  border: 1px solid var(--scale);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .privacy-clause p {
  max-width: var(--privacy-measure);
  margin: 0 0 0.9rem;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(234, 246, 255, 0.88);
}

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

.page-privacy .privacy-clause a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 224, 208, 0.45);
}

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

/* 三类信息 */
.page-privacy .privacy-types {
  margin: 0.4rem 0 0;
  display: grid;
  gap: 1rem;
}

.page-privacy .privacy-types__row {
  max-width: var(--privacy-measure);
  padding-left: 1.1rem;
  border-left: 3px solid var(--scale);
}

.page-privacy .privacy-types__row dt {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--cyan);
}

.page-privacy .privacy-types__row dd {
  margin: 0;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(234, 246, 255, 0.88);
}

/* 四类用途 */
.page-privacy .privacy-uses {
  margin: 0.4rem 0 0;
  padding: 0;
  list-style: none;
  counter-reset: use;
  display: grid;
  gap: 0.85rem;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-uses li {
  position: relative;
  padding-left: 3rem;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(234, 246, 255, 0.88);
  counter-increment: use;
}

.page-privacy .privacy-uses li::before {
  content: "0" counter(use);
  position: absolute;
  left: 0;
  top: 0.18rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--green);
}

.page-privacy .privacy-uses li strong {
  display: block;
  margin-bottom: 0.15rem;
  font-weight: 700;
  color: var(--white);
}

/* 四类操作 */
.page-privacy .privacy-actions {
  display: grid;
  gap: 1px;
  margin-top: 0.6rem;
  border: var(--bw) solid var(--cyan);
  background: var(--scale);
}

@media (min-width: 640px) {
  .page-privacy .privacy-actions {
    grid-template-columns: 1fr 1fr;
  }
}

.page-privacy .privacy-actions__item {
  background: var(--panel);
  padding: 1.05rem 1.15rem 1.15rem;
}

.page-privacy .privacy-actions__title {
  margin: 0 0 0.4rem;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--cyan);
}

.page-privacy .privacy-actions__item p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.72;
  color: rgba(234, 246, 255, 0.85);
}

/* 折叠细节 */
.page-privacy .privacy-more {
  max-width: var(--privacy-measure);
  margin-top: 0.9rem;
  padding: 0.35rem 0.95rem 0.45rem;
  border: 1px dashed var(--scale);
}

.page-privacy .privacy-more[open] {
  border-style: solid;
  border-color: rgba(0, 224, 208, 0.6);
}

.page-privacy .privacy-more > summary {
  cursor: pointer;
  list-style: none;
  padding: 0.35rem 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

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

.page-privacy .privacy-more > summary::before {
  content: "+ ";
}

.page-privacy .privacy-more[open] > summary::before {
  content: "− ";
}

.page-privacy .privacy-more > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-privacy .privacy-more__body p {
  margin: 0 0 0.6rem;
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(234, 246, 255, 0.8);
}

/* 页尾指引 */
.page-privacy .privacy-tail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: clamp(1.4rem, 3vw, 2rem) clamp(2.4rem, 5vw, 3.8rem);
  border-top: var(--privacy-rule);
}

.page-privacy .privacy-tail__text {
  margin: 0;
  max-width: 60ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--mute);
}

.page-privacy .privacy-tail__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 224, 208, 0.45);
}

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

.page-privacy .privacy-tail__top {
  flex: none;
  padding: 0.5rem 0.95rem;
  border: var(--bw) solid var(--scale);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--white);
  text-decoration: none;
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

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

.page-privacy .privacy-tail__top:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* 窄屏保护 */
@media (max-width: 480px) {
  .page-privacy .privacy-clause__title {
    display: block;
  }

  .page-privacy .privacy-clause__num {
    display: inline-block;
    margin-bottom: 0.45rem;
  }

  .page-privacy .privacy-uses li {
    padding-left: 2.3rem;
  }

  .page-privacy .privacy-tail__top {
    width: 100%;
    text-align: center;
  }
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-tail__top {
    transition: none;
  }

  .page-privacy .privacy-hero__veil {
    background: linear-gradient(100deg, rgba(6, 26, 46, 0.96) 0%, rgba(6, 26, 46, 0.8) 60%, rgba(11, 42, 69, 0.6) 100%);
  }
}