.page-privacy {
  --pp-body: #C3D2CB;
  --pp-index-w: 232px;
}

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

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  filter: saturate(0.75) contrast(1.05);
  z-index: 0;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(118deg, rgba(6, 24, 20, 0.97) 0%, rgba(6, 24, 20, 0.78) 48%, rgba(2, 8, 6, 0.45) 100%),
    radial-gradient(circle at 84% 14%, rgba(53, 240, 207, 0.16), transparent 60%);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: -2%;
  right: -2%;
  bottom: -1px;
  height: 44px;
  background: var(--ink-bg);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  z-index: 2;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 3;
  padding-block: clamp(28px, 5vw, 52px) calc(clamp(56px, 8vw, 96px) + 38px);
}

.page-privacy .privacy-hero__inner .lede {
  max-width: 54ch;
  margin-top: 16px;
}

.page-privacy .privacy-hero__meta {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}

/* 骨架：侧栏 + 正文 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-block: clamp(30px, 6vw, 66px) clamp(48px, 8vw, 96px);
}

/* 侧边章节导航 */
.page-privacy .privacy-index {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(11, 38, 32, 0.92), rgba(6, 24, 20, 0.92));
  box-shadow: 0 12px 28px rgba(2, 8, 6, 0.35);
  padding: 16px 14px 18px;
}

.page-privacy .privacy-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-privacy .privacy-index__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 8px 9px 10px;
  border-left: 2px solid transparent;
  color: var(--stone);
  font-size: 0.9rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease),
              background-color var(--dur-fast) var(--ease);
}

.page-privacy .privacy-index__link:hover {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: var(--cyan-dim);
}

.page-privacy .privacy-index__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--cyan);
  opacity: 0.8;
}

/* 折叠章节 */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .privacy-block {
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-block:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-block__head {
  display: flex;
  align-items: baseline;
  gap: 13px;
  padding: 20px 0 15px;
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-block__head::marker {
  content: "";
}

.page-privacy .privacy-block__head::after {
  content: "+";
  margin-left: auto;
  padding-left: 12px;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .privacy-block[open] .privacy-block__head::after {
  content: "−";
}

.page-privacy .privacy-block__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--clay);
  flex: none;
}

.page-privacy .privacy-block__title {
  margin: 0;
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-privacy .privacy-block__content {
  padding: 0 0 22px;
}

.page-privacy .privacy-block__content p {
  margin: 0 0 14px;
  color: var(--pp-body);
  font-size: 0.96rem;
  line-height: 1.8;
}

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

/* 条目列表 */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 15px;
}

.page-privacy .privacy-list__item {
  padding-left: 15px;
  border-left: 1px solid var(--line);
  color: var(--pp-body);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-privacy .privacy-list__item strong {
  display: block;
  margin-bottom: 3px;
  color: var(--paper);
  font-weight: 600;
  font-size: 0.95rem;
}

/* 定义块 */
.page-privacy .privacy-note {
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius);
  background: rgba(11, 38, 32, 0.66);
  padding: 15px 17px;
  margin: 0 0 16px;
  color: var(--pp-body);
  font-size: 0.93rem;
  line-height: 1.75;
}

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

.page-privacy .privacy-note__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clay);
}

/* 留存期限 */
.page-privacy .privacy-retention {
  list-style: none;
  margin: 18px 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-retention__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 0.93rem;
  color: var(--pp-body);
}

.page-privacy .privacy-retention__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  color: var(--cyan);
}

/* 联系方式块 */
.page-privacy .privacy-contact {
  margin: 20px 0 6px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  background: rgba(11, 38, 32, 0.7);
  padding: 16px 17px 18px;
}

.page-privacy .privacy-contact__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 8px;
}

.page-privacy .privacy-contact__mail {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.02rem;
  color: var(--cyan);
  word-break: break-all;
  line-height: 1.6;
}

.page-privacy .privacy-contact__note {
  margin: 12px 0 0;
  color: var(--pp-body);
  font-size: 0.9rem;
  line-height: 1.75;
}

.page-privacy .privacy-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 207, 0.38);
  transition: border-color var(--dur-fast) var(--ease);
}

.page-privacy .privacy-inline-link:hover {
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-top {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-privacy .privacy-top:hover {
  color: var(--paper);
  border-bottom-color: var(--cyan);
}

/* 平板以上 */
@media (min-width: 760px) {
  .page-privacy .privacy-block__content {
    padding-left: 40px;
    max-width: 68ch;
  }
}

/* 桌面：侧栏常驻 */
@media (min-width: 940px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--pp-index-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 68px);
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: calc(var(--header-offset) + 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__link,
  .page-privacy .privacy-inline-link,
  .page-privacy .privacy-top {
    transition: none;
  }
}