.page-privacy {
  --priv-card: #FBF8F1;
  --priv-sticky-top: 104px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

/* 面包屑 */
.page-privacy .priv-crumbs {
  padding-top: clamp(16px, 2.6vw, 28px);
  padding-bottom: clamp(14px, 2.2vw, 22px);
}

/* 首屏 */
.page-privacy .priv-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(34px, 5.5vw, 72px) 0 clamp(48px, 6vw, 88px);
  color: var(--paper);
  background:
    radial-gradient(900px 460px at 86% -14%, rgba(91, 140, 123, .34), transparent 62%),
    radial-gradient(620px 380px at 4% 108%, rgba(217, 154, 43, .22), transparent 60%),
    linear-gradient(158deg, var(--indigo) 0%, var(--indigo-deep) 54%, var(--ink) 100%);
}

.page-privacy .priv-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--amber) 0%, var(--vermilion) 56%, rgba(192, 57, 43, 0) 100%);
  opacity: .9;
}

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

.page-privacy .priv-hero__eyebrow {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-privacy .priv-hero__title {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(34px, 6vw, 78px);
  line-height: 1.06;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-privacy .priv-hero__lede {
  margin: 0;
  max-width: 63ch;
  font-size: clamp(16px, 1.6vw, 18.5px);
  line-height: 1.9;
  color: rgba(245, 240, 230, .82);
}

.page-privacy .priv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-privacy .priv-hero__stamp {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--line-dark);
  border-radius: 999px;
  background: rgba(245, 240, 230, .07);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: rgba(245, 240, 230, .9);
}

.page-privacy .priv-hero__figure {
  margin-top: clamp(30px, 5vw, 58px);
}

.page-privacy .priv-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-2);
}

/* 主体两栏：章节索引 + 长文 */
.page-privacy .priv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(38px, 5.5vw, 82px);
  padding-bottom: clamp(44px, 6vw, 92px);
}

.page-privacy .priv-index {
  align-self: start;
  padding-top: 16px;
  border-top: 2px solid var(--indigo);
}

.page-privacy .priv-index__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-privacy .priv-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .priv-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: color .16s var(--ease), border-color .16s var(--ease), padding-left .16s var(--ease);
}

.page-privacy .priv-index__link:hover {
  color: var(--vermilion);
  border-color: var(--amber);
  padding-left: 4px;
}

.page-privacy .priv-index__link:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-privacy .priv-index__no {
  color: var(--amber);
  font-size: 12px;
  letter-spacing: .06em;
}

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

/* 章节 */
.page-privacy .priv-sec {
  padding-top: clamp(26px, 3.6vw, 44px);
  margin-bottom: clamp(38px, 5.5vw, 76px);
  border-top: 1px solid var(--line);
}

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

.page-privacy .priv-sec__title {
  margin: 0 0 clamp(14px, 1.8vw, 20px);
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(25px, 3.4vw, 42px);
  line-height: 1.14;
  color: var(--indigo);
}

.page-privacy .priv-sec__lead {
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 64ch;
  font-size: clamp(16.5px, 1.5vw, 18.5px);
  line-height: 1.9;
  color: var(--ink-soft);
}

/* 条款卡片（01） */
.page-privacy .priv-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
}

.page-privacy .priv-item {
  position: relative;
  overflow: hidden;
  padding: 22px 22px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--priv-card);
  box-shadow: var(--shadow-1);
  transition: transform .16s var(--ease), box-shadow .16s var(--ease), border-color .16s var(--ease);
}

.page-privacy .priv-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber) 0%, rgba(217, 154, 43, 0) 76%);
}

.page-privacy .priv-item:hover {
  transform: translateY(-3px);
  border-color: rgba(217, 154, 43, .55);
  box-shadow: var(--shadow-2);
}

.page-privacy .priv-item__title {
  margin: 0 0 9px;
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--indigo);
}

.page-privacy .priv-item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* 用途清单（02） */
.page-privacy .priv-rows {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-privacy .priv-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: clamp(16px, 2.2vw, 22px) 0;
  border-top: 1px solid var(--line);
}

.page-privacy .priv-row:last-child {
  border-bottom: 1px solid var(--line);
}

.page-privacy .priv-row__key {
  position: relative;
  margin: 0;
  padding-left: 16px;
  font-family: var(--font-ui);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--indigo);
}

.page-privacy .priv-row__key::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 2px;
  background: var(--vermilion);
}

.page-privacy .priv-row__val {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* 提示块 */
.page-privacy .priv-note {
  padding: 20px 22px 22px;
  border-radius: var(--radius-m);
}

.page-privacy .priv-note--celadon {
  border-left: 3px solid var(--celadon);
  background: rgba(91, 140, 123, .1);
}

.page-privacy .priv-note__tag {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--celadon);
}

.page-privacy .priv-note p:last-child {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

/* 存储说明面板（03） */
.page-privacy .priv-panel {
  margin-bottom: clamp(14px, 2vw, 20px);
  padding: clamp(20px, 2.6vw, 28px);
  border-left: 3px solid var(--indigo);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  background: var(--paper-warm);
}

.page-privacy .priv-panel:last-child {
  margin-bottom: 0;
}

.page-privacy .priv-panel__tag {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--vermilion);
}

.page-privacy .priv-panel p {
  margin: 0 0 12px;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink-soft);
}

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

/* 权利折叠（04） */
.page-privacy .priv-folds {
  display: grid;
  gap: 10px;
}

.page-privacy .priv-fold {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--priv-card);
  transition: border-color .16s var(--ease);
}

.page-privacy .priv-fold:hover {
  border-color: rgba(217, 154, 43, .5);
}

.page-privacy .priv-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-ui);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--indigo);
  transition: background .16s var(--ease);
}

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

.page-privacy .priv-fold summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--amber);
}

.page-privacy .priv-fold[open] summary::after {
  content: "\2013";
}

.page-privacy .priv-fold[open] summary {
  background: rgba(217, 154, 43, .09);
}

.page-privacy .priv-fold summary:hover {
  background: rgba(217, 154, 43, .07);
}

.page-privacy .priv-fold summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-privacy .priv-fold__body {
  padding: 16px 20px 20px;
  border-top: 1px solid var(--line);
}

.page-privacy .priv-fold__body p {
  margin: 0;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink-soft);
}

/* 联系信息（05） */
.page-privacy .priv-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-privacy .priv-contact__item {
  padding: 18px 20px 20px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--amber);
  border-radius: var(--radius-m);
  background: var(--priv-card);
}

.page-privacy .priv-contact__label {
  margin: 0 0 8px;
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-privacy .priv-contact__value {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-privacy .priv-contact__hint {
  margin: 8px 0 0;
  font-size: 13.5px;
  color: var(--slate);
}

/* 延伸阅读 */
.page-privacy .priv-next {
  margin-top: clamp(30px, 4vw, 54px);
  padding-top: clamp(20px, 2.6vw, 28px);
  border-top: 1px solid var(--line);
}

.page-privacy .priv-next__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--slate);
}

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

.page-privacy .priv-next__list a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-privacy .priv-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .priv-row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-privacy .priv-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 桌面：左侧固定章节索引 */
@media (min-width: 940px) {
  .page-privacy .priv-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(44px, 5vw, 88px);
  }

  .page-privacy .priv-index {
    position: sticky;
    top: var(--priv-sticky-top);
  }

  .page-privacy .priv-index__list {
    display: block;
  }

  .page-privacy .priv-index__link {
    padding: 9px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .priv-item,
  .page-privacy .priv-fold,
  .page-privacy .priv-index__link,
  .page-privacy .priv-fold summary {
    transition: none;
  }

  .page-privacy .priv-item:hover {
    transform: none;
  }
}