.page-privacy {
  --pp-read: 70ch;
  --pp-nav-w: 200px;
  --pp-ink-soft: rgba(11, 14, 20, 0.72);
  background-color: var(--c-paper);
  color: var(--c-ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--topbar-h) + clamp(2.2rem, 6vw, 4.2rem)) 0 clamp(2.2rem, 5vw, 3.6rem);
  background-color: var(--c-teal);
  color: var(--c-paper);
}

.page-privacy .privacy-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.3;
  z-index: 0;
}

.page-privacy .privacy-hero__veil {
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(53, 224, 208, 0.2), transparent 58%),
    linear-gradient(158deg, rgba(12, 74, 69, 0.88) 0%, rgba(8, 38, 36, 0.96) 100%);
}

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

.page-privacy .privacy-hero .eyebrow {
  color: var(--c-cyan);
  letter-spacing: 0.24em;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  margin: 0;
}

.page-privacy .privacy-hero h1 {
  margin: 0.75rem 0 0;
  max-width: 20ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.75rem, 4.4vw, 2.9rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #ffffff;
}

.page-privacy .privacy-hero .lede {
  max-width: 54ch;
  margin: 1.1rem 0 0;
  color: rgba(246, 248, 252, 0.84);
  font-size: clamp(0.97rem, 1.4vw, 1.06rem);
  line-height: 1.8;
}

/* ---------- 面包屑 ---------- */

.page-privacy .privacy-crumbs {
  padding-top: clamp(0.9rem, 2vw, 1.4rem);
}

.page-privacy .privacy-crumbs .breadcrumbs {
  font-size: 0.82rem;
}

/* ---------- 主体栅格 ---------- */

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 2.6rem);
  padding: clamp(1.6rem, 4vw, 2.6rem) 0 clamp(2.4rem, 6vw, 4.6rem);
}

.page-privacy .privacy-article {
  min-width: 0;
  max-width: var(--pp-read);
}

/* ---------- 侧栏目录 ---------- */

.page-privacy .clause-nav__title {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--c-muted);
  text-transform: uppercase;
}

.page-privacy .clause-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--hair-ink);
}

.page-privacy .clause-nav__list li {
  border-top: 1px solid var(--hair-ink);
}

.page-privacy .clause-nav__list a {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.58rem 0;
  color: var(--pp-ink-soft);
  font-size: 0.88rem;
  line-height: 1.45;
  text-decoration: none;
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-privacy .clause-nav__list a:hover,
.page-privacy .clause-nav__list a:focus-visible {
  color: var(--c-blue);
  transform: translateX(3px);
}

.page-privacy .clause-nav__n {
  flex: none;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.78rem;
  color: var(--c-blue);
}

.page-privacy .clause-nav__cta {
  display: inline-block;
  margin-top: 1rem;
  color: var(--c-orange);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 0.15rem;
}

.page-privacy .clause-nav__cta:hover {
  color: var(--c-blue);
}

/* ---------- 条款 ---------- */

.page-privacy .clause {
  padding: clamp(1.4rem, 3vw, 2.1rem) 0;
  border-top: 1px solid var(--hair-ink);
}

.page-privacy .clause:first-child {
  border-top: none;
  padding-top: 0;
}

.page-privacy .clause--last {
  border-bottom: 1px solid var(--hair-ink);
}

.page-privacy .clause__head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
}

.page-privacy .clause__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
  background: var(--c-space);
  padding: 0.15rem 0.4rem;
  border-radius: 2px;
  flex: none;
}

.page-privacy .clause__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.14rem, 2vw, 1.42rem);
  line-height: 1.35;
  letter-spacing: 0.015em;
  color: var(--c-ink);
}

.page-privacy .clause__lead {
  margin: 0.7rem 0 1rem;
  font-weight: 700;
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.7;
  color: var(--c-ink);
}

.page-privacy .clause__body p {
  margin: 0 0 0.9rem;
}

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

.page-privacy .clause-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.page-privacy .clause-list li {
  position: relative;
  padding: 0.62rem 0 0.62rem 1.15rem;
  border-top: 1px solid var(--hair-soft);
  font-size: 0.97rem;
  line-height: 1.78;
  color: var(--pp-ink-soft);
}

.page-privacy .clause-list li:last-child {
  border-bottom: 1px solid var(--hair-soft);
}

.page-privacy .clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35rem;
  width: 7px;
  height: 1px;
  background: var(--c-cyan);
}

.page-privacy .clause-list strong {
  color: var(--c-ink);
  font-weight: 700;
}

.page-privacy .clause-note {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--c-muted);
  padding-left: 0.9rem;
  border-left: 2px solid var(--c-silver);
}

/* ---------- 折叠 ---------- */

.page-privacy .clause__detail {
  margin-top: 1rem;
}

.page-privacy .clause__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0;
  background: none;
  border: none;
  border-bottom: 1px solid var(--c-blue);
  color: var(--c-blue);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.88rem;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .clause__toggle::after {
  content: "+";
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1;
}

.page-privacy .clause__detail[data-open="true"] .clause__toggle::after {
  content: "\2212";
}

.page-privacy .clause__toggle:hover,
.page-privacy .clause__toggle:focus-visible {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

.page-privacy .clause__panel {
  margin-top: 0.9rem;
  padding: 0.9rem 1rem;
  background: rgba(22, 87, 214, 0.05);
  border-left: 2px solid var(--c-cyan);
}

.page-privacy .clause__panel p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--pp-ink-soft);
}

/* ---------- 尾部深色分区 ---------- */

.page-privacy .privacy-foot {
  position: relative;
  background:
    radial-gradient(110% 80% at 88% 0%, rgba(53, 224, 208, 0.14), transparent 62%),
    linear-gradient(160deg, var(--c-teal) 0%, #072e2b 100%);
  color: var(--c-paper);
  padding: clamp(2.2rem, 6vw, 4.2rem) 0 clamp(2.6rem, 6vw, 4.6rem);
}

.page-privacy .privacy-foot__inner {
  max-width: var(--pp-read);
}

.page-privacy .privacy-foot__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
  margin-bottom: 0.7rem;
}

.page-privacy .privacy-foot h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: #ffffff;
}

.page-privacy .privacy-foot__lead {
  margin: 0.85rem 0 1.4rem;
  font-size: clamp(0.98rem, 1.5vw, 1.06rem);
  line-height: 1.8;
  color: rgba(246, 248, 252, 0.86);
}

.page-privacy .privacy-foot__list {
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0;
}

.page-privacy .privacy-foot__list li {
  position: relative;
  padding: 0.6rem 0 0.6rem 1.2rem;
  border-top: 1px solid rgba(198, 206, 219, 0.2);
  font-size: 0.95rem;
  line-height: 1.78;
  color: rgba(246, 248, 252, 0.82);
}

.page-privacy .privacy-foot__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.32rem;
  width: 7px;
  height: 1px;
  background: var(--c-orange);
}

.page-privacy .privacy-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-privacy .privacy-foot__ghost {
  color: rgba(246, 248, 252, 0.9);
  border-color: rgba(198, 206, 219, 0.42);
}

/* ---------- 回到顶部 ---------- */

.page-privacy .to-top {
  position: fixed;
  right: clamp(0.85rem, 3vw, 1.8rem);
  bottom: clamp(0.85rem, 3vw, 1.8rem);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.8rem;
  background: var(--c-space);
  color: var(--c-paper);
  border: 1px solid var(--hair);
  border-radius: 2px;
  font-family: var(--font-head);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  box-shadow: var(--shadow-lift);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .to-top__arrow {
  font-family: var(--font-mono);
  color: var(--c-cyan);
}

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

/* ---------- 平板与桌面 ---------- */

@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--pp-nav-w) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-privacy .clause-nav__inner {
    position: sticky;
    top: calc(var(--topbar-h) + 1.6rem);
  }

  .page-privacy .privacy-crumbs {
    padding-top: clamp(1.1rem, 2vw, 1.6rem);
  }
}

@media (min-width: 1240px) {
  .page-privacy .privacy-article {
    max-width: 74ch;
  }
}

@media (max-width: 899px) {
  .page-privacy .clause-nav__list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0;
    border-bottom: none;
  }

  .page-privacy .clause-nav__list li {
    padding-right: 0.8rem;
  }

  .page-privacy .clause-nav__list a {
    font-size: 0.84rem;
  }
}

@media (max-width: 520px) {
  .page-privacy .clause__head {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

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

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

  .page-privacy .clause-nav__list a:hover,
  .page-privacy .clause-nav__list a:focus-visible {
    transform: none;
  }
}