.page-privacy {
  --pr-surface: rgba(244, 241, 233, 0.055);
  --pr-surface-deep: rgba(11, 16, 51, 0.38);
  --pr-rule: rgba(244, 241, 233, 0.12);
  --pr-text: rgba(244, 241, 233, 0.82);
  display: block;
  padding-bottom: clamp(40px, 7vw, 96px);
}

.page-privacy__intro {
  padding-top: clamp(24px, 4vw, 52px);
}

.page-privacy .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 32px);
}

/* 首屏 */
.page-privacy__hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-xl);
  padding: clamp(22px, 5vw, 54px);
  background:
    radial-gradient(130% 120% at 100% 0%, rgba(242, 178, 75, 0.16), transparent 58%),
    linear-gradient(142deg, rgba(37, 16, 74, 0.74), rgba(7, 42, 46, 0.7));
  box-shadow: var(--shadow-soft);
}

.page-privacy__hero::after {
  content: "";
  position: absolute;
  left: 34%;
  right: -30%;
  bottom: -70%;
  height: 260px;
  background: radial-gradient(closest-side, rgba(53, 230, 208, 0.22), transparent);
  pointer-events: none;
}

.page-privacy__hero h1 {
  position: relative;
  margin: 0.35em 0 0.55em;
  font-family: var(--font-head);
  font-size: clamp(27px, 6.2vw, 52px);
  line-height: 1.16;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-privacy__lead {
  position: relative;
  max-width: 60ch;
  margin: 0;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.8;
  color: var(--pr-text);
}

.page-privacy__tags {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy__tags li {
  padding: 6px 13px;
  border: 1px solid var(--line-amber);
  border-radius: var(--pill);
  background: rgba(242, 178, 75, 0.09);
  color: var(--sand);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
}

/* 文档骨架 */
.page-privacy__shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 40px);
  align-items: start;
  margin-top: clamp(26px, 5vw, 54px);
}

.page-privacy__rail {
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: rgba(37, 16, 74, 0.55);
}

.page-privacy__rail-label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.page-privacy__toc {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy__toc li {
  flex: 0 0 auto;
}

.page-privacy__toc a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  color: var(--fog);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-privacy__toc a span {
  font-size: 12px;
  color: var(--amber);
  transition: color 0.22s var(--ease);
}

.page-privacy__toc a:hover,
.page-privacy__toc a:focus-visible {
  border-color: var(--line-cyan);
  background: rgba(53, 230, 208, 0.1);
  color: var(--cyan);
}

.page-privacy__toc a:hover span,
.page-privacy__toc a:focus-visible span {
  color: var(--cyan);
}

/* 条款卡 */
.page-privacy__body {
  min-width: 0;
}

.page-privacy__card {
  position: relative;
  margin-bottom: clamp(16px, 2.6vw, 28px);
  padding: clamp(20px, 4vw, 36px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--pr-surface), rgba(244, 241, 233, 0.02));
  scroll-margin-top: 92px;
}

.page-privacy__card::before {
  content: "";
  position: absolute;
  left: clamp(20px, 4vw, 36px);
  right: clamp(20px, 4vw, 36px);
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, rgba(242, 178, 75, 0.45), transparent 70%);
}

.page-privacy__card-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--pr-rule);
}

.page-privacy__no {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-privacy__card h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 3.2vw, 28px);
  letter-spacing: 0.05em;
  line-height: 1.35;
  color: var(--fog);
}

.page-privacy__card p {
  margin: 0 0 0.9em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--pr-text);
}

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

.page-privacy__card .page-privacy__point {
  margin-bottom: 0.85em;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
  color: var(--fog);
  font-weight: 600;
}

.page-privacy__card a {
  color: var(--sand);
  text-decoration-color: var(--line-amber);
  text-underline-offset: 3px;
}

.page-privacy__card a:hover,
.page-privacy__card a:focus-visible {
  color: var(--cyan);
  text-decoration-color: var(--line-cyan);
}

.page-privacy__list {
  display: grid;
  gap: 10px;
  margin: 0 0 0.9em;
  padding: 0;
  list-style: none;
}

.page-privacy__list li {
  position: relative;
  padding-left: 20px;
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.75;
  color: var(--pr-text);
}

.page-privacy__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.65em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--amber);
  box-shadow: 0 0 10px rgba(242, 178, 75, 0.6);
}

/* 联系信息键值表 */
.page-privacy__kv {
  display: grid;
  gap: 10px;
  margin: 0 0 1.1em;
}

.page-privacy__kv > div {
  display: grid;
  gap: 3px;
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  background: var(--pr-surface-deep);
}

.page-privacy__kv dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-privacy__kv dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--fog);
  overflow-wrap: anywhere;
}

/* 信息图 */
.page-privacy__figure {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-privacy__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-privacy__figure .media-caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

/* 可展开补充 */
.page-privacy__card .expand-group {
  margin-top: clamp(16px, 2.6vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(11, 16, 51, 0.32);
}

.page-privacy__card .expand-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 13px 16px;
  border: 0;
  background: rgba(242, 178, 75, 0.09);
  color: var(--sand);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
  transition: background 0.22s var(--ease), color 0.22s var(--ease);
}

.page-privacy__card .expand-trigger:hover,
.page-privacy__card .expand-trigger:focus-visible {
  background: rgba(53, 230, 208, 0.12);
  color: var(--cyan);
}

.page-privacy__card .expand-icon {
  flex: 0 0 auto;
  font-size: 15px;
  color: var(--cyan);
}

.page-privacy__card .expand-content {
  padding: 14px 16px 4px;
}

.page-privacy__card .expand-content .page-privacy__list {
  margin-bottom: 8px;
}

/* 收尾 */
.page-privacy__outro {
  display: grid;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 48px);
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line-cyan);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(95% 140% at 0% 0%, rgba(53, 230, 208, 0.16), transparent 62%),
    rgba(37, 16, 74, 0.62);
}

.page-privacy__outro h2 {
  margin: 0 0 0.45em;
  font-family: var(--font-head);
  font-size: clamp(20px, 3.4vw, 30px);
  letter-spacing: 0.05em;
  line-height: 1.3;
  color: var(--fog);
}

.page-privacy__hint {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(14px, 1.6vw, 16px);
  line-height: 1.8;
  color: var(--pr-text);
}

.page-privacy__outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy__outro-actions .btn {
  flex: 1 1 auto;
  justify-content: center;
  text-align: center;
}

@media (min-width: 700px) {
  .page-privacy__kv {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy__outro-actions .btn {
    flex: 0 0 auto;
  }
}

@media (min-width: 1024px) {
  .page-privacy__shell {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-privacy__rail {
    position: sticky;
    top: 108px;
    padding: 22px 20px;
  }

  .page-privacy__toc {
    display: block;
    overflow: visible;
  }

  .page-privacy__toc li {
    display: block;
    margin-bottom: 6px;
  }

  .page-privacy__toc a {
    display: flex;
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    white-space: normal;
  }

  .page-privacy__card {
    scroll-margin-top: 116px;
  }

  .page-privacy__outro {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy__toc a,
  .page-privacy__card .expand-trigger {
    transition: none;
  }
}