/* ===== 数据与隐私 /data-privacy/ ===== */

.page-privacy {
  --pv-prose: 66ch;
  --pv-gap: clamp(44px, 6vw, 76px);
  padding-bottom: clamp(56px, 9vw, 104px);
  color: var(--graphite-700);
  overflow-wrap: break-word;
}

/* —— 首屏 —— */
.page-privacy .privacy-hero {
  padding: clamp(26px, 5vw, 54px) 0 clamp(30px, 5vw, 56px);
  border-bottom: 1px solid var(--hairline);
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0 0 14px;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.6vw, 3rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink-900);
  margin: 0 0 18px;
  max-width: 24ch;
}

.page-privacy .privacy-hero .lede {
  max-width: 62ch;
  font-size: clamp(1rem, 1.3vw, 1.125rem);
  line-height: 1.8;
  color: var(--indigo-500);
  margin: 0;
}

.page-privacy .privacy-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

/* —— 主体两栏 —— */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 40px);
  padding-top: var(--pv-gap);
}

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

/* —— 章节 —— */
.page-privacy .privacy-sec {
  scroll-margin-top: 120px;
  padding-bottom: var(--pv-gap);
}

.page-privacy .privacy-sec:last-of-type {
  padding-bottom: 0;
}

.page-privacy .privacy-sec__num {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--copper-600);
  margin: 0 0 14px;
  line-height: 1;
}

.page-privacy .privacy-sec__num::before {
  content: "";
  width: 3px;
  height: 18px;
  border-radius: 2px;
  background: var(--copper-400);
  flex: none;
}

.page-privacy .privacy-sec h2 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  margin: 0 0 18px;
}

.page-privacy .privacy-sec p {
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--graphite-700);
  margin: 0 0 16px;
  max-width: var(--pv-prose);
}

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

/* —— 条目列表 —— */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: var(--pv-prose);
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 24px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--graphite-700);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 11px;
  height: 1px;
  background: var(--copper-600);
}

/* —— 浅靛强调块 —— */
.page-privacy .privacy-note {
  max-width: var(--pv-prose);
  margin: 0 0 20px;
  padding: 18px 20px;
  background: var(--indigo-100);
  border-left: 3px solid var(--copper-400);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--indigo-700);
}

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

/* —— 数字事实行 —— */
.page-privacy .privacy-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  margin: 4px 0 22px;
  max-width: var(--pv-prose);
}

.page-privacy .privacy-facts__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-privacy .privacy-facts__num {
  font-family: var(--font-display);
  font-size: var(--fs-32);
  font-weight: 800;
  line-height: 1;
  color: var(--ink-900);
}

.page-privacy .privacy-facts__text {
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--slate-400);
}

/* —— 插图 —— */
.page-privacy .privacy-figure {
  margin: 24px 0 0;
  max-width: var(--pv-prose);
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-m);
  background: var(--paper-50);
}

.page-privacy .privacy-figure__cap {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: var(--slate-400);
}

/* —— 折叠条目 —— */
.page-privacy .privacy-folds {
  max-width: var(--pv-prose);
  display: grid;
  gap: 10px;
  margin: 4px 0 22px;
}

.page-privacy .privacy-folds .fold {
  border: 1px solid var(--hairline);
  border-radius: var(--radius-m);
  background: var(--paper-50);
  overflow: hidden;
  transition: border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-privacy .privacy-folds .fold[open] {
  border-color: var(--hairline-copper);
  box-shadow: var(--shadow-s);
}

.page-privacy .privacy-folds .fold > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 18px;
  font-size: var(--fs-16);
  font-weight: 600;
  line-height: 1.6;
  color: var(--indigo-700);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-folds .fold > summary::marker {
  content: "";
}

.page-privacy .privacy-folds .fold > summary::before {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-right: 1.5px solid var(--copper-600);
  border-bottom: 1.5px solid var(--copper-600);
  transform: rotate(-45deg);
  transition: transform 0.24s var(--ease);
}

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

.page-privacy .privacy-folds .fold > summary:focus-visible {
  outline: 2px solid var(--copper-400);
  outline-offset: -2px;
}

.page-privacy .privacy-folds .fold__body {
  padding: 2px 18px 18px 38px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--graphite-700);
  border-left: 3px solid var(--copper-400);
}

/* —— 联系说明 —— */
.page-privacy .privacy-contact {
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--graphite-700);
  max-width: var(--pv-prose);
  margin: 0;
}

.page-privacy .privacy-contact a {
  color: var(--indigo-500);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-all;
}

.page-privacy .privacy-contact a:hover {
  color: var(--copper-600);
}

.page-privacy .privacy-contact a:focus-visible {
  outline: 2px solid var(--copper-400);
  outline-offset: 2px;
}

/* —— 右侧迷你目录 —— */
.page-privacy .privacy-toc {
  padding: 18px 20px 20px;
  background: var(--indigo-100);
  border-radius: var(--radius-m);
}

.page-privacy .privacy-toc__label {
  margin: 0;
  color: var(--copper-600);
  letter-spacing: 0.1em;
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 8px;
  border-radius: var(--radius-s);
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--indigo-700);
  text-decoration: none;
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-privacy .privacy-toc__link:hover {
  color: var(--copper-600);
  background: rgba(201, 162, 39, 0.1);
}

.page-privacy .privacy-toc__link:focus-visible {
  outline: 2px solid var(--copper-400);
  outline-offset: 2px;
}

.page-privacy .privacy-toc__link.is-active {
  color: var(--copper-600);
  font-weight: 600;
  background: rgba(201, 162, 39, 0.12);
}

.page-privacy .privacy-toc__code {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--slate-400);
}

.page-privacy .privacy-toc__link.is-active .privacy-toc__code {
  color: var(--copper-400);
}

/* —— 延伸阅读 —— */
.page-privacy .privacy-more {
  margin-top: clamp(28px, 5vw, 52px);
  padding-top: clamp(28px, 4vw, 46px);
  border-top: 1px solid var(--hairline);
}

.page-privacy .privacy-more__head {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink-900);
  margin: 0 0 20px;
}

.page-privacy .privacy-more__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-privacy .privacy-more__card {
  display: block;
  padding: 20px;
  border: 1px solid var(--hairline-copper);
  border-radius: var(--radius-m);
  background: var(--paper-50);
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-s);
  transition: transform 0.24s var(--ease), box-shadow 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-privacy .privacy-more__card:hover {
  transform: translateY(-2px);
  border-color: var(--copper-400);
  box-shadow: var(--shadow-m);
}

.page-privacy .privacy-more__card:focus-visible {
  outline: 2px solid var(--copper-400);
  outline-offset: 3px;
}

.page-privacy .privacy-more__code {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--copper-600);
}

.page-privacy .privacy-more__title {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-18);
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink-900);
  margin: 10px 0 6px;
}

.page-privacy .privacy-more__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--slate-400);
}

/* —— 平板及以上 —— */
@media (min-width: 640px) {
  .page-privacy .privacy-more__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* —— 桌面端：右侧目录轴固定 —— */
@media (min-width: 1024px) {
  .page-privacy .privacy-body {
    grid-template-columns: minmax(0, 1fr) 216px;
    gap: clamp(44px, 6vw, 86px);
    align-items: start;
    max-width: 1080px;
    margin-inline: auto;
  }

  .page-privacy .privacy-main {
    max-width: 40rem;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 108px;
    background: transparent;
    border-radius: 0;
    padding: 0 0 0 22px;
    border-left: 1px solid var(--hairline);
  }
}

/* —— 动效降级 —— */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-more__card,
  .page-privacy .privacy-folds .fold,
  .page-privacy .privacy-folds .fold > summary::before {
    transition: opacity 0.12s linear;
  }

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