/* ========================================================
   数据保护说明页 /data-protection/
   作用域：.page-privacy
   ======================================================== */

.page-privacy {
  --pv-rule: rgba(20, 22, 26, .14);
  --pv-rule-soft: rgba(20, 22, 26, .07);
  --pv-dim: rgba(20, 22, 26, .62);
  --pv-card: #FFFDF8;
  --pv-measure: 40em;

  background-color: var(--paper);
  background-image: radial-gradient(rgba(20, 22, 26, .045) 1px, transparent 1px);
  background-size: 28px 28px;
  color: var(--black);
  font-family: var(--f-sans);
  font-size: 1rem;
  line-height: 1.75;
  padding-bottom: 5rem;
}

.page-privacy .pv-shell {
  width: min(980px, calc(100% - 2.2rem));
  margin-inline: auto;
}

/* ---------- 页首 ---------- */

.page-privacy .breadcrumb {
  padding-top: 1.75rem;
  font-size: .84rem;
  color: var(--pv-dim);
}

.page-privacy .pv-hero {
  padding: 1.5rem 0 2.25rem;
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .pv-hero .eyebrow {
  font-size: .76rem;
  letter-spacing: .22em;
  color: var(--pv-dim);
  margin: 0 0 .35rem;
}

.page-privacy .pv-hero h1 {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(2.3rem, 8vw, 4rem);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--ink);
  margin: 0 0 1.15rem;
}

.page-privacy .pv-lede {
  max-width: var(--pv-measure);
  font-size: 1.06rem;
  line-height: 1.8;
  color: var(--ink-2);
  margin: 0;
}

.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem 1.6rem;
  list-style: none;
  margin: 1.7rem 0 0;
  padding: 0;
  font-size: .84rem;
  color: var(--pv-dim);
}

.page-privacy .pv-meta .mono {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: .04em;
  border-bottom: 2px solid rgba(255, 138, 31, .45);
  padding-bottom: 1px;
}

/* ---------- 阅读进度条（纯 CSS 滚动驱动） ---------- */

.page-privacy .pv-progress {
  position: sticky;
  top: 0;
  z-index: 6;
  height: 3px;
  background: var(--paper-2);
}

.page-privacy .pv-progress > span {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: 0 50%;
}

@supports (animation-timeline: scroll()) {
  .page-privacy .pv-progress > span {
    animation-name: pv-progress-grow;
    animation-duration: 1s;
    animation-timing-function: linear;
    animation-fill-mode: both;
    animation-timeline: scroll(root block);
  }

  @keyframes pv-progress-grow {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
  }
}

/* ---------- 条款目录 ---------- */

.page-privacy .pv-toc {
  position: sticky;
  top: 3px;
  z-index: 5;
  background: rgba(247, 241, 228, .94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--pv-rule-soft);
}

.page-privacy .pv-toc__list {
  display: flex;
  gap: .45rem;
  list-style: none;
  margin: 0;
  padding: .6rem 0 .7rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pv-toc__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .pv-toc__link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  white-space: nowrap;
  padding: .36rem .8rem;
  border: 1px solid var(--pv-rule);
  border-radius: var(--pill);
  font-size: .82rem;
  color: var(--pv-dim);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}

.page-privacy .pv-toc__link .mono {
  font-size: .76rem;
  font-weight: 700;
  color: var(--ink);
  background: rgba(255, 138, 31, .2);
  border-radius: 4px;
  padding: 0 .3em;
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  border-color: rgba(255, 138, 31, .75);
  background: #fff;
  color: var(--ink);
}

/* ---------- 条款长文 ---------- */

.page-privacy .pv-body {
  padding-top: .5rem;
}

.page-privacy .pv-clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: .55rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--pv-rule-soft);
  scroll-margin-top: 5rem;
  transition: background-color var(--dur) var(--ease);
}

.page-privacy .pv-clause__num {
  font-family: var(--f-mono);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .08em;
  color: var(--ink);
}

.page-privacy .pv-clause__num::before {
  content: "";
  display: block;
  width: 2rem;
  height: 3px;
  border-radius: 3px;
  background: var(--amber);
  margin-bottom: .65rem;
}

.page-privacy .pv-clause__title {
  font-family: var(--f-sans);
  font-weight: 800;
  font-size: clamp(1.22rem, 3.4vw, 1.55rem);
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--ink);
  margin: 0 0 .85rem;
  scroll-margin-top: 5rem;
}

.page-privacy .pv-clause__main p {
  max-width: var(--pv-measure);
  margin: 0 0 1.05em;
  color: var(--black);
}

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

.page-privacy .pv-body a {
  color: var(--ink-2);
  font-weight: 600;
  text-decoration: none;
  padding-bottom: 1px;
}

.page-privacy .pv-body p a {
  background-image: linear-gradient(var(--amber), var(--amber));
  background-repeat: no-repeat;
  background-size: 0% 2px;
  background-position: 0 100%;
  transition: background-size var(--dur) var(--ease),
              color var(--dur) var(--ease);
}

.page-privacy .pv-body p a:hover,
.page-privacy .pv-body p a:focus-visible {
  background-size: 100% 2px;
  color: var(--ink);
}

/* 段落锚点 */
.page-privacy .pv-anchor {
  display: inline-block;
  margin-right: .35rem;
  font-weight: 500;
  color: var(--mist);
  text-decoration: none;
  background: none;
  opacity: 0;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .pv-clause__title:hover .pv-anchor,
.page-privacy .pv-anchor:focus-visible {
  opacity: 1;
}

.page-privacy .pv-anchor:hover {
  color: var(--amber);
}

@media (hover: none) {
  .page-privacy .pv-anchor {
    opacity: .45;
  }
}

/* :target 高亮 */
.page-privacy .pv-clause:target {
  background: rgba(255, 138, 31, .07);
  border-radius: var(--r-lg);
  padding-inline: 1.05rem;
  box-shadow: inset 3px 0 0 var(--amber);
}

/* ---------- 列表 ---------- */

.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: var(--pv-measure);
}

.page-privacy .pv-list > li {
  position: relative;
  padding-left: 1.3rem;
  margin-bottom: .6rem;
  font-size: .94rem;
  line-height: 1.7;
}

.page-privacy .pv-list > li:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-list > li::before {
  content: "";
  position: absolute;
  left: .18rem;
  top: .68em;
  width: .42rem;
  height: .42rem;
  border-radius: 50%;
  background: var(--amber-soft);
}

/* ---------- 深色提示块 ---------- */

.page-privacy .pv-note {
  position: relative;
  max-width: var(--pv-measure);
  margin: 1.6rem 0 .5rem;
  padding: 1.4rem 1.4rem 1.35rem 1.5rem;
  background-color: var(--ink);
  background-image: radial-gradient(130% 150% at 0% 0%, rgba(255, 138, 31, .2), transparent 58%);
  border-left: 4px solid var(--amber);
  border-radius: var(--r-lg);
  color: var(--on-ink);
}

.page-privacy .pv-note__title {
  font-family: var(--f-mono);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--amber-soft);
  margin: 0 0 .85rem;
}

.page-privacy .pv-note .pv-list > li {
  color: var(--on-ink);
}

.page-privacy .pv-note .pv-list > li::before {
  background: var(--amber);
}

.page-privacy .pv-note a {
  color: var(--amber-soft);
  font-weight: 700;
}

.page-privacy .pv-note p a:hover,
.page-privacy .pv-note p a:focus-visible {
  background-size: 100% 2px;
}

/* ---------- 分层示意条 ---------- */

.page-privacy .pv-layers {
  display: grid;
  gap: .5rem;
  max-width: var(--pv-measure);
  margin: 1.4rem 0 1.5rem;
  padding: .9rem;
  border: 1px solid var(--pv-rule);
  border-radius: var(--r-lg);
  background: var(--pv-card);
}

.page-privacy .pv-layer {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  padding: .8rem .95rem;
  border-radius: var(--r-sm);
  font-size: .86rem;
  line-height: 1.6;
  color: var(--ink);
  transition: border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}

.page-privacy .pv-layer strong {
  font-size: .92rem;
  font-weight: 800;
  letter-spacing: .02em;
}

.page-privacy .pv-layer span {
  color: rgba(11, 31, 51, .7);
}

.page-privacy .pv-layer--local {
  background: rgba(255, 138, 31, .13);
  border: 1px dashed rgba(255, 138, 31, .6);
}

.page-privacy .pv-layer--server {
  background: rgba(22, 51, 79, .08);
  border: 1px dashed rgba(22, 51, 79, .38);
}

.page-privacy .pv-layer:hover {
  border-color: var(--amber-soft);
  box-shadow: 0 10px 22px rgba(3, 10, 20, .08);
}

/* ---------- 配图 ---------- */

.page-privacy .pv-figure {
  max-width: var(--pv-measure);
  margin: 2.25rem auto;
}

.page-privacy .pv-figure .figure__media {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--pv-rule);
}

.page-privacy .pv-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-privacy .pv-figure .figure__caption {
  margin-top: .7rem;
  font-size: .82rem;
  line-height: 1.65;
  color: var(--pv-dim);
}

/* ---------- 相关说明 ---------- */

.page-privacy .pv-outro {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .pv-outro__title {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: .01em;
  color: var(--ink);
  margin: 0 0 1.15rem;
}

.page-privacy .pv-links {
  display: grid;
  gap: .6rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-links li {
  display: flex;
  flex-direction: column;
  gap: .18rem;
  padding: .9rem 1.1rem;
  background: var(--pv-card);
  border: 1px solid var(--pv-rule);
  border-radius: var(--r-lg);
  transition: border-color var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}

.page-privacy .pv-links li:hover {
  border-color: rgba(255, 138, 31, .7);
  box-shadow: 0 12px 26px rgba(3, 10, 20, .09);
}

.page-privacy .pv-links a {
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
  background: none;
}

.page-privacy .pv-links a:hover {
  color: var(--ink-2);
}

.page-privacy .pv-links span {
  font-size: .84rem;
  line-height: 1.6;
  color: var(--pv-dim);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-privacy {
    font-size: 1.03rem;
    padding-bottom: 6.5rem;
  }

  .page-privacy .pv-shell {
    width: min(980px, calc(100% - 4rem));
  }

  .page-privacy .pv-clause {
    grid-template-columns: 5rem minmax(0, 1fr);
    gap: 1.9rem;
    padding: 2.75rem 0;
  }

  .page-privacy .pv-clause__num {
    font-size: 1.6rem;
    padding-top: .1rem;
  }

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

@media (min-width: 1120px) {
  .page-privacy .pv-shell {
    width: min(1040px, calc(100% - 5rem));
  }

  .page-privacy .pv-clause {
    grid-template-columns: 6rem minmax(0, 1fr);
    gap: 2.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link,
  .page-privacy .pv-anchor,
  .page-privacy .pv-body p a,
  .page-privacy .pv-layer,
  .page-privacy .pv-links li,
  .page-privacy .pv-clause {
    transition: none;
  }
}