.page-privacy {
  --privacy-line: rgba(168, 62, 42, 0.34);
  --privacy-hair: rgba(14, 43, 76, 0.12);
  background-color: var(--haiou-white);
  background-image: repeating-linear-gradient(
    180deg,
    rgba(14, 43, 76, 0.03) 0,
    rgba(14, 43, 76, 0.03) 1px,
    transparent 1px,
    transparent 4px
  );
  color: var(--deep-blue);
  padding-bottom: clamp(32px, 6vw, 72px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-block: clamp(18px, 3.4vw, 38px) 0;
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-privacy .privacy-hero__text {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  max-width: 24ch;
}

.page-privacy .privacy-hero .lede {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
}

.page-privacy .privacy-hero__media {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-blue);
  box-shadow: var(--shadow-panel);
}

.page-privacy .privacy-hero__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 600;
  object-fit: cover;
}

/* ---------- 主体骨架 ---------- */
.page-privacy .privacy-shell {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  padding-block: clamp(20px, 3.6vw, 42px) 0;
}

.page-privacy .privacy-body {
  display: grid;
  min-width: 0;
}

.page-privacy .privacy-sec {
  display: grid;
  gap: 12px;
  padding-block: clamp(20px, 3vw, 34px);
  border-top: 1px solid var(--privacy-line);
}

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

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.page-privacy .privacy-sec__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.9em;
  padding: 4px 10px;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.2;
  letter-spacing: 0.06em;
  color: var(--tv-amber);
  background: var(--ink-blue);
  border-radius: var(--radius-xs);
}

.page-privacy .privacy-sec h2 {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--deep-blue);
}

.page-privacy .privacy-sec__body {
  display: grid;
  gap: 16px;
}

.page-privacy .privacy-sec__body > p {
  margin: 0;
  max-width: 38em;
  font-size: 17px;
  line-height: 1.8;
}

.page-privacy .privacy-sec__body a {
  color: var(--brick-red);
  text-underline-offset: 4px;
}

.page-privacy .privacy-sec__body a:hover,
.page-privacy .privacy-sec__body a:focus-visible {
  color: var(--retro-red);
}

/* ---------- 条目列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
  max-width: 42em;
}

.page-privacy .privacy-list__item {
  display: grid;
  gap: 6px;
  padding-left: 16px;
  border-left: 2px solid var(--brick-red);
}

.page-privacy .privacy-list__key {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--deep-blue);
}

.page-privacy .privacy-list__item p {
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--gray-blue);
}

/* ---------- 用途小格 ---------- */
.page-privacy .privacy-uses {
  display: grid;
  gap: 16px;
  max-width: 46em;
}

.page-privacy .privacy-use {
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--privacy-hair);
  border-top: 3px solid var(--tv-amber);
  border-radius: var(--radius-sm);
}

.page-privacy .privacy-use h3 {
  margin: 0 0 6px;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--deep-blue);
}

.page-privacy .privacy-use p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--gray-blue);
}

/* ---------- 折叠面板 ---------- */
.page-privacy .privacy-fold {
  max-width: 42em;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--privacy-hair);
  border-left: 3px solid var(--electric-teal);
  border-radius: var(--radius-sm);
}

.page-privacy .privacy-fold > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-weight: 800;
  color: var(--deep-blue);
}

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

.page-privacy .privacy-fold > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--retro-red);
  transition: transform 0.2s var(--ease);
}

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

.page-privacy .privacy-fold__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-fold__list li {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--gray-blue);
}

/* ---------- 动作标签 ---------- */
.page-privacy .privacy-tag {
  display: inline-block;
  padding: 2px 9px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--retro-red);
  background: rgba(217, 72, 31, 0.08);
  border: 1px solid rgba(217, 72, 31, 0.46);
  border-radius: 999px;
}

/* ---------- 联系信息 ---------- */
.page-privacy .privacy-contact {
  margin: 0;
  max-width: 42em;
  border-top: 1px solid var(--privacy-hair);
}

.page-privacy .privacy-contact__row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--privacy-hair);
}

.page-privacy .privacy-contact dt {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gray-blue);
}

.page-privacy .privacy-contact dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--deep-blue);
  word-break: break-word;
}

/* ---------- 侧边索引 ---------- */
.page-privacy .privacy-rail {
  align-self: start;
  min-width: 0;
  padding: 18px;
  background: rgba(255, 255, 255, 0.55);
  border-top: 3px solid var(--tv-amber);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  box-shadow: var(--shadow-soft);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--deep-blue);
  text-decoration: none;
  border-bottom: 1px dashed rgba(14, 43, 76, 0.16);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .privacy-rail__list a:hover,
.page-privacy .privacy-rail__list a:focus-visible {
  color: var(--retro-red);
  border-bottom-color: rgba(217, 72, 31, 0.5);
}

.page-privacy .privacy-rail__num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--brick-red);
}

/* ---------- 页面末尾入口 ---------- */
.page-privacy .privacy-outro {
  margin-top: clamp(26px, 4vw, 48px);
}

.page-privacy .privacy-outro__panel {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 44px);
  border-radius: var(--radius);
  color: var(--haiou-white);
}

.page-privacy .privacy-outro__panel h2 {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.3;
  color: var(--haiou-white);
}

.page-privacy .privacy-outro__panel p {
  margin: 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(247, 244, 236, 0.82);
}

.page-privacy .privacy-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy .privacy-outro__links {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.page-privacy .privacy-outro__links a {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--amber-light);
  text-decoration: underline;
  text-decoration-color: rgba(232, 180, 74, 0.5);
  text-underline-offset: 4px;
  transition: color 0.2s var(--ease), text-decoration-color 0.2s var(--ease);
}

.page-privacy .privacy-outro__links a:hover,
.page-privacy .privacy-outro__links a:focus-visible {
  color: var(--haiou-white);
  text-decoration-color: var(--tv-amber);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .privacy-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 30;
  padding: 8px 15px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--haiou-white);
  background: rgba(7, 24, 43, 0.86);
  border-radius: 999px;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  background: var(--retro-red);
  transform: translateY(-3px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-privacy .privacy-shell {
    grid-template-columns: minmax(0, 1fr) 236px;
    align-items: start;
  }

  .page-privacy .privacy-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .privacy-rail {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 104px;
  }
}

@media (max-width: 479px) {
  .page-privacy .privacy-contact__row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-privacy .privacy-sec__num {
    min-width: 2.4em;
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-top,
  .page-privacy .privacy-rail__list a,
  .page-privacy .privacy-outro__links a,
  .page-privacy .privacy-fold > summary::after {
    transition: none;
  }

  .page-privacy .privacy-top:hover,
  .page-privacy .privacy-top:focus-visible {
    transform: none;
  }
}