.page-privacy {
  --pv-measure: 66ch;
  --pv-note-bg: var(--paper-200);
  background: var(--paper-100);
  color: var(--ink-900);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--white);
  padding: clamp(92px, 13vh, 142px) 0 clamp(34px, 5vw, 60px);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -16%;
  width: min(720px, 88vw);
  aspect-ratio: 1;
  background: radial-gradient(circle at 50% 50%, rgba(47, 211, 255, 0.2), transparent 62%);
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--ink-700) 28%, var(--ink-700) 72%, transparent);
}

.page-privacy .privacy-hero .wrap {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 32px);
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.6);
}

.page-privacy .privacy-hero .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
}

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

.page-privacy .privacy-hero .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(255, 255, 255, 0.3);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-privacy .privacy-hero .eyebrow {
  color: var(--lime);
  margin: 0 0 12px;
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 16px;
  font-size: var(--fs-4xl);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .privacy-hero .lede {
  margin: 0;
  max-width: 46ch;
  font-size: var(--fs-lg);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
}

.page-privacy .privacy-quick {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-quick li {
  border: 1px solid var(--ink-700);
  border-radius: var(--radius-s);
  background: rgba(255, 255, 255, 0.035);
  padding: 12px 12px 14px;
}

.page-privacy .privacy-quick__num {
  display: block;
  font-size: clamp(1.4rem, 1.1rem + 1vw, 2rem);
  font-weight: 800;
  line-height: 1;
  color: var(--lime);
}

.page-privacy .privacy-quick__label {
  display: block;
  margin-top: 7px;
  font-size: var(--fs-xs);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.66);
}

.page-privacy .privacy-hero__media {
  margin: 0;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-privacy .privacy-hero__media .media-caption {
  padding: 10px 14px;
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.58);
  border-top: 1px solid var(--ink-700);
}

/* ---------- 章节导航 ---------- */
.page-privacy .privacy-nav {
  position: sticky;
  top: 56px;
  z-index: 6;
  background: rgba(244, 239, 228, 0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-light);
}

.page-privacy .privacy-nav__list {
  display: flex;
  gap: clamp(14px, 3vw, 34px);
  margin: 0;
  padding: 11px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-privacy .privacy-nav__list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--ink-700);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .privacy-nav__list a:hover,
.page-privacy .privacy-nav__list a:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--lime);
}

.page-privacy .privacy-nav__list .num {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--graphite);
}

/* ---------- 章节主体 ---------- */
.page-privacy .privacy-sec {
  padding: clamp(38px, 6vw, 76px) 0;
  border-top: 1px solid var(--line-light);
  scroll-margin-top: 140px;
}

.page-privacy .privacy-sec:first-of-type {
  border-top: 0;
}

.page-privacy .privacy-sec__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(8px, 1.6vw, 20px);
}

.page-privacy .privacy-no {
  display: inline-block;
  width: fit-content;
  padding-top: 8px;
  border-top: 2px solid var(--lime);
  font-size: var(--fs-sm);
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--ink-700);
}

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

.page-privacy .privacy-sec__body .sec-title {
  margin: 0 0 14px;
  font-size: var(--fs-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-privacy .privacy-sec__lead {
  margin: 0;
  max-width: var(--pv-measure);
  font-size: var(--fs-base);
  line-height: 1.78;
  color: var(--ink-800);
}

.page-privacy .privacy-item {
  max-width: var(--pv-measure);
  padding: 16px 0 18px;
}

.page-privacy .privacy-sec__lead + .privacy-item {
  margin-top: 22px;
}

.page-privacy .privacy-item + .privacy-item {
  border-top: 1px dashed var(--line-light);
}

.page-privacy .privacy-item h3 {
  margin: 0 0 8px;
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--ink-900);
}

.page-privacy .privacy-item p {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-base);
  line-height: 1.78;
  color: var(--ink-800);
}

.page-privacy .privacy-key {
  max-width: var(--pv-measure);
  margin: 24px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--lime);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  background: rgba(198, 255, 60, 0.1);
  font-size: var(--fs-base);
  line-height: 1.78;
  color: var(--ink-900);
}

/* ---------- 折叠条款 ---------- */
.page-privacy .privacy-fold {
  max-width: var(--pv-measure);
  margin-top: 20px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-s);
  background: var(--white);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-privacy .privacy-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-sm);
  font-weight: 650;
  color: var(--ink-900);
}

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

.page-privacy .privacy-fold summary::after {
  content: "+";
  flex: none;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--orange);
}

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

.page-privacy .privacy-fold[open] summary {
  border-bottom: 1px solid var(--line-light);
}

.page-privacy .privacy-fold__body {
  padding: 4px 18px 18px;
}

.page-privacy .privacy-fold__body p {
  margin: 14px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--ink-800);
}

/* ---------- 期限列表 ---------- */
.page-privacy .privacy-terms {
  max-width: var(--pv-measure);
  margin-top: 24px;
}

.page-privacy .privacy-term {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-privacy .privacy-term:first-child {
  border-top: 1px solid var(--line-light);
}

.page-privacy .privacy-term__name {
  font-size: var(--fs-base);
  font-weight: 650;
  color: var(--ink-900);
}

.page-privacy .privacy-term__value {
  font-size: var(--fs-sm);
  color: var(--ink-700);
}

/* ---------- 说明块 ---------- */
.page-privacy .privacy-note {
  max-width: var(--pv-measure);
  margin-top: 26px;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  background: var(--pv-note-bg);
}

.page-privacy .privacy-note__title {
  margin: 0 0 10px;
  font-size: var(--fs-sm);
  font-weight: 750;
  letter-spacing: 0.06em;
  color: var(--ink-900);
}

.page-privacy .privacy-note p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.82;
  color: var(--ink-800);
}

.page-privacy .privacy-note p + p {
  margin-top: 10px;
}

/* ---------- 延伸入口 ---------- */
.page-privacy .privacy-next {
  background: var(--ink-900);
  color: var(--white);
  padding: clamp(42px, 6vw, 76px) 0;
}

.page-privacy .privacy-next .eyebrow {
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-privacy .privacy-next__title {
  margin: 0 0 26px;
  font-size: var(--fs-2xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
}

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

.page-privacy .privacy-next__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--ink-700);
  border-radius: var(--radius);
  background: var(--ink-800);
  color: var(--white);
  text-decoration: none;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-privacy .privacy-next__card:hover,
.page-privacy .privacy-next__card:focus-visible {
  border-color: var(--lime);
  transform: translateY(-3px);
}

.page-privacy .privacy-next__card .tag {
  align-self: flex-start;
}

.page-privacy .privacy-next__name {
  font-size: var(--fs-lg);
  font-weight: 700;
  line-height: 1.4;
}

.page-privacy .privacy-next__desc {
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.68);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .privacy-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(76px, 10vw, 100px);
  z-index: 7;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 15px;
  border: 1px solid var(--ink-700);
  border-radius: 999px;
  background: var(--ink-900);
  color: var(--white);
  font-size: var(--fs-xs);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

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

/* ---------- 断点 ---------- */
@media (min-width: 768px) {
  .page-privacy .privacy-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-quick {
    gap: 14px;
  }

  .page-privacy .privacy-quick li {
    padding: 14px 16px 16px;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-sec__inner {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 42px);
  }

  .page-privacy .privacy-no {
    position: sticky;
    top: 132px;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-nav {
    top: 72px;
  }

  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-privacy .privacy-top {
    bottom: 28px;
  }
}

@media (max-width: 420px) {
  .page-privacy .privacy-quick__label {
    font-size: 0.7rem;
  }

  .page-privacy .privacy-hero h1 {
    font-size: clamp(1.85rem, 1.4rem + 3.4vw, 2.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-next__card,
  .page-privacy .privacy-nav__list a,
  .page-privacy .privacy-top {
    transition: none;
  }

  .page-privacy .privacy-next__card:hover {
    transform: none;
  }
}