/* ===== 数据保护说明 ===== */
.page-privacy {
  --pv-index-w: 236px;
  --pv-head-col: 44px;
  background: var(--snow);
}

/* ---- 首屏 ---- */
.page-privacy .pv-hero {
  background: var(--snow);
  border-bottom: 1px solid var(--line);
  padding-top: clamp(14px, 2.4vw, 26px);
}

.page-privacy .pv-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 46px);
  align-items: center;
  padding-block: clamp(16px, 3vw, 30px) clamp(26px, 4vw, 50px);
}

.page-privacy .pv-title {
  margin: 10px 0 0;
  font-size: clamp(30px, 5.6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.022em;
  font-weight: 800;
  color: var(--ink);
  max-width: 16ch;
}

.page-privacy .pv-lead {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 58ch;
  font-size: clamp(15.5px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--graphite);
}

.page-privacy .pv-meta {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px clamp(20px, 3vw, 36px);
  font-size: 13.5px;
}

.page-privacy .pv-meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}

.page-privacy .pv-meta__k {
  color: var(--graphite);
  flex: none;
}

.page-privacy .pv-meta__v {
  color: var(--ink);
  font-weight: 600;
  word-break: break-all;
}

.page-privacy .pv-hero__figure {
  margin: 0;
  position: relative;
}

.page-privacy .pv-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(1.05);
}

.page-privacy .pv-hero__figure::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: clamp(68px, 12vw, 108px);
  height: 6px;
  background: var(--rape);
  transform: skewX(var(--skew));
  transform-origin: left bottom;
}

/* ---- 主体骨架 ---- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  padding-block: clamp(30px, 5vw, 60px) clamp(52px, 8vw, 100px);
}

/* ---- 目录 ---- */
.page-privacy .pv-index {
  border-top: 3px solid var(--ink);
  padding-top: 14px;
}

.page-privacy .pv-index__label {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--graphite);
}

.page-privacy .pv-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-privacy .pv-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px 9px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--graphite);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.5;
  transition: color 0.16s var(--ease), padding-left 0.16s var(--ease);
}

.page-privacy .pv-index__list a:hover,
.page-privacy .pv-index__list a:focus-visible {
  color: var(--lake);
  padding-left: 6px;
}

.page-privacy .pv-index__num {
  flex: none;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--lake);
  padding-top: 2px;
}

.page-privacy .pv-index__foot {
  margin: 16px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--graphite);
}

/* ---- 条款正文 ---- */
.page-privacy .pv-doc {
  display: grid;
  gap: clamp(32px, 4.5vw, 56px);
  min-width: 0;
}

.page-privacy .pv-clause {
  border-top: 1px solid var(--line);
  padding-top: clamp(18px, 2.4vw, 26px);
  scroll-margin-top: 96px;
}

.page-privacy .pv-clause__head {
  display: grid;
  grid-template-columns: var(--pv-head-col) minmax(0, 1fr);
  align-items: start;
  margin-bottom: clamp(14px, 2vw, 22px);
}

.page-privacy .pv-clause__num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.1em;
  font-weight: 700;
  color: var(--lake);
  padding-top: 0.42em;
  transition: color 0.16s var(--ease);
}

.page-privacy .pv-clause__title {
  position: relative;
  margin: 0;
  padding-left: 18px;
  font-size: clamp(20px, 3vw, 29px);
  line-height: 1.3;
  letter-spacing: -0.012em;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .pv-clause__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.2em;
  bottom: 0.2em;
  width: 4px;
  background: var(--lake);
}

.page-privacy .pv-clause:target .pv-clause__num {
  color: var(--amber);
}

.page-privacy .pv-clause:target .pv-clause__title::before {
  background: var(--rape);
}

.page-privacy .pv-clause__body > p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 68ch;
}

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

.page-privacy .pv-clause__body a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 110, 138, 0.35);
  transition: border-color 0.16s var(--ease), color 0.16s var(--ease);
}

.page-privacy .pv-clause__body a:hover,
.page-privacy .pv-clause__body a:focus-visible {
  color: var(--lake-deep);
  border-bottom-color: var(--lake-deep);
}

.page-privacy .pv-sub {
  margin: clamp(20px, 2.6vw, 28px) 0 8px;
  padding-left: 12px;
  border-left: 2px solid var(--lake-mist);
  font-size: 16px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--lake-deep);
}

.page-privacy .pv-sub:first-child {
  margin-top: 0;
}

.page-privacy .pv-term {
  border-bottom: 1px dashed var(--lake);
  cursor: help;
}

/* ---- 提示块 ---- */
.page-privacy .pv-callout {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: clamp(16px, 2.2vw, 22px) clamp(18px, 2.4vw, 26px);
  background: var(--fog);
  border: 1px solid var(--line);
  border-left: 4px solid var(--rape);
}

.page-privacy .pv-callout p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

/* ---- 用途列表 ---- */
.page-privacy .pv-uses {
  margin: clamp(14px, 2vw, 20px) 0 0;
  display: grid;
}

.page-privacy .pv-uses__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: clamp(14px, 2vw, 18px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-uses__row:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-uses dt {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--lake-deep);
}

.page-privacy .pv-uses dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---- 保存期限 ---- */
.page-privacy .pv-keep {
  border-top: 1px solid var(--line);
  margin-top: clamp(12px, 2vw, 18px);
}

.page-privacy .pv-keep__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
  padding: clamp(13px, 1.8vw, 17px) 0;
  border-bottom: 1px solid var(--line-soft);
  align-items: baseline;
}

.page-privacy .pv-keep__key {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

.page-privacy .pv-keep__val {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---- 权利清单 ---- */
.page-privacy .pv-rights {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-privacy .pv-rights > li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: clamp(12px, 2vw, 20px);
  row-gap: 4px;
  padding: clamp(14px, 2vw, 20px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-rights > li:first-child {
  border-top: 1px solid var(--line);
}

.page-privacy .pv-rights__num {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--lake);
  padding-top: 4px;
}

.page-privacy .pv-rights__title {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-privacy .pv-rights p {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-privacy .pv-afterword {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
  padding-left: clamp(16px, 2.4vw, 24px);
  border-left: 2px solid var(--line);
}

/* ---- 受理渠道 ---- */
.page-privacy .pv-channels {
  margin-top: clamp(14px, 2vw, 20px);
  border-top: 1px solid var(--line);
}

.page-privacy .pv-channels__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: clamp(14px, 2vw, 19px) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-channels__k {
  margin: 0;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--graphite);
}

.page-privacy .pv-channels__v {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  word-break: break-word;
}

.page-privacy .pv-channels__d {
  margin: 2px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-privacy .pv-backtop {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 14px;
}

.page-privacy .pv-backtop a {
  display: inline-block;
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 110, 138, 0.35);
  padding-bottom: 2px;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .pv-backtop a::before {
  content: "↑ ";
  color: var(--rape-deep);
}

.page-privacy .pv-backtop a:hover,
.page-privacy .pv-backtop a:focus-visible {
  color: var(--lake-deep);
  border-bottom-color: var(--lake-deep);
}

/* ---- 中等屏 ---- */
@media (min-width: 720px) {
  .page-privacy {
    --pv-head-col: 54px;
  }

  .page-privacy .pv-uses__row {
    grid-template-columns: 186px minmax(0, 1fr);
    gap: clamp(18px, 3vw, 34px);
  }

  .page-privacy .pv-keep__row {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: clamp(18px, 3vw, 34px);
  }

  .page-privacy .pv-channels__row {
    grid-template-columns: 128px minmax(0, 1fr);
    grid-template-rows: auto auto;
    column-gap: clamp(18px, 3vw, 34px);
    align-items: baseline;
  }

  .page-privacy .pv-channels__k {
    grid-column: 1;
    grid-row: 1;
    padding-top: 4px;
  }

  .page-privacy .pv-channels__v {
    grid-column: 2;
    grid-row: 1;
  }

  .page-privacy .pv-channels__d {
    grid-column: 2;
    grid-row: 2;
    margin-top: 2px;
  }
}

/* ---- 桌面：目录吸顶 + 双栏 ---- */
@media (min-width: 1024px) {
  .page-privacy .pv-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

  .page-privacy .pv-hero__img {
    aspect-ratio: 4 / 3;
  }

  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-index-w) minmax(0, 1fr);
    gap: clamp(44px, 5.4vw, 88px);
    align-items: start;
  }

  .page-privacy .pv-index {
    position: sticky;
    top: 92px;
  }

  .page-privacy .pv-clause__body {
    padding-left: calc(var(--pv-head-col) + 18px);
  }

  .page-privacy .pv-callout,
  .page-privacy .pv-uses,
  .page-privacy .pv-keep,
  .page-privacy .pv-rights,
  .page-privacy .pv-channels,
  .page-privacy .pv-afterword {
    max-width: 72ch;
  }
}

/* ---- 窄屏兜底 ---- */
@media (max-width: 400px) {
  .page-privacy {
    --pv-head-col: 34px;
  }

  .page-privacy .pv-clause__title {
    padding-left: 14px;
  }

  .page-privacy .pv-clause__title::before {
    width: 3px;
  }

  .page-privacy .pv-rights > li {
    grid-template-columns: 28px minmax(0, 1fr);
  }
}

/* ---- 动效 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-index__list a,
  .page-privacy .pv-backtop a,
  .page-privacy .pv-clause__num,
  .page-privacy .pv-clause__title::before {
    transition: none;
  }
}