.page-privacy {
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy .pv-topbar {
  padding-top: clamp(16px, 2.5vw, 28px);
}

.page-privacy .breadcrumbs {
  font-size: var(--fs-2);
  color: var(--mute);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  letter-spacing: 0.02em;
}

.page-privacy .breadcrumbs a {
  color: var(--mute);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-privacy .breadcrumbs a:hover {
  color: var(--lime);
}

/* 首屏 */
.page-privacy .pv-hero {
  padding: clamp(32px, 6vw, 72px) 0 clamp(28px, 5vw, 56px);
}

.page-privacy .pv-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

@media (min-width: 900px) {
  .page-privacy .pv-hero__grid {
    grid-template-columns: 1.25fr 1fr;
    gap: clamp(40px, 5vw, 72px);
  }
}

.page-privacy .pv-hero .kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-2);
  letter-spacing: 0.16em;
  color: var(--lime);
  margin: 0 0 18px;
  padding: 5px 12px;
  border: 1px solid var(--hair);
  background: var(--graphite);
  text-transform: none;
}

.page-privacy .pv-hero .kicker::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--lime);
}

.page-privacy .pv-hero__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6.4vw, 88px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  color: var(--paper);
}

.page-privacy .pv-hero .lede {
  max-width: 48ch;
  font-family: var(--font-sans);
  font-size: var(--fs-4);
  line-height: 1.65;
  color: var(--mute);
  margin: 0;
}

.page-privacy .pv-hero__figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--hair);
  background: var(--graphite);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
}

.page-privacy .pv-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 55%, rgba(182, 255, 60, 0.08) 55%, rgba(182, 255, 60, 0.08) 57%, transparent 57%),
    linear-gradient(120deg, transparent 70%, rgba(47, 212, 255, 0.07) 70%, rgba(47, 212, 255, 0.07) 71.5%, transparent 71.5%);
  pointer-events: none;
}

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

/* 目录 */
.page-privacy .pv-toc {
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  padding: clamp(20px, 3vw, 28px) 0;
  margin: 0 0 clamp(40px, 6vw, 72px);
}

.page-privacy .pv-toc__label {
  font-size: var(--fs-1);
  color: var(--mute);
  letter-spacing: 0.18em;
  margin: 0 0 14px;
}

.page-privacy .pv-toc__grid {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

@media (min-width: 600px) {
  .page-privacy .pv-toc__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-toc__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-privacy .pv-toc__grid a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
  font-size: var(--fs-3);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .pv-toc__grid a:hover,
.page-privacy .pv-toc__grid a:focus-visible {
  background: var(--graphite);
  color: var(--lime);
}

.page-privacy .pv-toc__num {
  font-family: var(--font-display);
  font-size: var(--fs-4);
  font-weight: 800;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  line-height: 1;
}

/* 布局 */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 5vw, 64px);
}

@media (min-width: 900px) {
  .page-privacy .pv-layout {
    grid-template-columns: 220px minmax(0, 680px);
    justify-content: center;
    align-items: start;
    gap: clamp(48px, 6vw, 88px);
  }

  .page-privacy .pv-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
  }
}

@media (max-width: 899px) {
  .page-privacy .pv-side {
    display: none;
  }
}

/* 侧边栏 */
.page-privacy .pv-side__label {
  font-size: var(--fs-1);
  color: var(--mute);
  letter-spacing: 0.18em;
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hair);
}

.page-privacy .pv-side__links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-privacy .pv-side__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  font-size: var(--fs-2);
  color: var(--mute);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .pv-side__link:hover,
.page-privacy .pv-side__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--lime);
  background: var(--graphite);
}

.page-privacy .pv-side__link .num {
  font-variant-numeric: tabular-nums;
  color: var(--lime);
  font-weight: 600;
}

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

.page-privacy .pv-section {
  padding-top: clamp(20px, 3vw, 28px);
  margin-bottom: clamp(44px, 6vw, 72px);
  border-top: 1px solid var(--hair);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-privacy .pv-section__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-privacy .pv-section__num {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.4vw, 48px);
  font-weight: 800;
  line-height: 0.9;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}

.page-privacy .pv-section__title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--paper);
}

.page-privacy .pv-section__intro {
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--mute);
  margin: 0 0 20px;
  max-width: 54ch;
}

.page-privacy .pv-section__intro a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 255, 60, 0.4);
}

/* 列表 */
.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-list li {
  position: relative;
  padding: 14px 0 14px 22px;
  border-bottom: 1px solid var(--hair);
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--paper);
}

.page-privacy .pv-list li:last-child {
  border-bottom: 0;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 6px;
  height: 16px;
  background: var(--lime);
  transition: height var(--dur) var(--ease);
}

.page-privacy .pv-list li:hover::before {
  height: 24px;
}

.page-privacy .pv-list li a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 255, 60, 0.4);
}

/* 分组 */
.page-privacy .pv-group {
  margin-bottom: 8px;
}

.page-privacy .pv-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: var(--fs-2);
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--mute);
  margin: 28px 0 6px;
}

.page-privacy .pv-group__title::before {
  content: "";
  display: block;
  width: 9px;
  height: 9px;
  background: var(--lime);
}

.page-privacy .pv-group--b .pv-group__title::before {
  background: var(--blue);
}

.page-privacy .pv-group--c .pv-group__title::before {
  background: var(--orange);
}

/* 用途网格 */
.page-privacy .pv-purpose-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  margin-top: 8px;
}

@media (min-width: 640px) {
  .page-privacy .pv-purpose-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.page-privacy .pv-purpose {
  padding: 20px 22px;
  background: var(--graphite);
  transition: background var(--dur) var(--ease);
}

.page-privacy .pv-purpose:hover {
  background: var(--steel);
}

.page-privacy .pv-purpose__label {
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  color: var(--lime);
  margin: 0 0 8px;
  font-weight: 600;
}

.page-privacy .pv-purpose p:last-child {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.7;
  color: var(--paper);
}

/* 象牙纸提示块 */
.page-privacy .pv-paper {
  background: var(--ivory);
  color: var(--ink);
  padding: clamp(20px, 3vw, 28px) clamp(20px, 3vw, 32px);
  margin: 28px 0 20px;
  border-left: 3px solid var(--lime);
}

.page-privacy .pv-paper h3 {
  font-family: var(--font-display);
  font-size: var(--fs-4);
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.page-privacy .pv-paper p {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.7;
  color: var(--ink);
}

/* 展开说明 */
.page-privacy .pv-details {
  border: 1px solid var(--hair);
  border-left: 3px solid var(--blue);
  background: var(--graphite);
  margin: 20px 0;
}

.page-privacy .pv-details summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  cursor: pointer;
  font-size: var(--fs-3);
  font-weight: 600;
  color: var(--paper);
  list-style: none;
}

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

.page-privacy .pv-details summary::after {
  content: "+";
  font-size: var(--fs-5);
  font-weight: 300;
  line-height: 1;
  color: var(--blue);
  transition: transform var(--dur) var(--ease);
}

.page-privacy .pv-details[open] summary::after {
  transform: rotate(45deg);
}

.page-privacy .pv-details__body {
  padding: 0 20px 18px;
  border-top: 1px solid var(--hair);
  padding-top: 16px;
}

.page-privacy .pv-details__body p {
  margin: 0 0 10px;
  font-size: var(--fs-3);
  line-height: 1.7;
  color: var(--mute);
}

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

/* 备注 */
.page-privacy .pv-note {
  font-size: var(--fs-2);
  line-height: 1.7;
  color: var(--mute);
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 1px solid var(--hair);
}

.page-privacy .pv-note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 255, 60, 0.4);
}

.page-privacy .pv-note a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* 联系方式 */
.page-privacy .pv-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  margin: 20px 0 0;
}

@media (min-width: 600px) {
  .page-privacy .pv-contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.page-privacy .pv-contact-cell {
  background: var(--graphite);
  padding: 18px 22px;
}

.page-privacy .pv-contact-cell dt {
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  color: var(--orange);
  font-weight: 600;
  margin-bottom: 8px;
}

.page-privacy .pv-contact-cell dd {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.6;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

/* 页脚 */
.page-privacy .pv-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 28px;
  margin-top: 8px;
  border-top: 1px solid var(--hair);
}

.page-privacy .pv-totop {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--lime);
  color: var(--lime);
  text-decoration: none;
  font-size: var(--fs-2);
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .pv-totop:hover,
.page-privacy .pv-totop:focus-visible {
  background: var(--lime);
  color: var(--ink);
}

.page-privacy .pv-foot__brand {
  margin: 0;
  font-size: var(--fs-1);
  letter-spacing: 0.16em;
  color: var(--mute);
}

/* 动效 */
@media (prefers-reduced-motion: no-preference) {
  .page-privacy [data-reveal] {
    opacity: 0;
    transform: translateY(12px);
    transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
  }

  .page-privacy [data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}
</main>