/* ===== 数据与隐私页 专属样式 ===== */
.page-privacy {
  --pp-text: #33404f;
  --pp-measure: 72ch;
  --pp-rail-w: 232px;
  background: var(--paper);
  color: var(--ink-900);
  font-family: var(--font-body);
}

/* --- 首屏 --- */
.page-privacy .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--navy-900);
  color: var(--paper);
  padding: calc(var(--header-space) + 52px) 0 72px;
}

.page-privacy .pp-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .32;
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(120% 92% at 88% 6%, rgba(255, 106, 43, .22) 0%, rgba(255, 106, 43, 0) 58%),
    linear-gradient(102deg, rgba(8, 24, 46, .95) 0%, rgba(8, 24, 46, .86) 48%, rgba(15, 46, 82, .70) 100%);
}

.page-privacy .pp-hero__inner {
  position: relative;
  z-index: 2;
}

.page-privacy .pp-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 26px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: rgba(252, 253, 255, .58);
}

.page-privacy .pp-crumb a {
  color: rgba(252, 253, 255, .84);
  text-decoration: none;
  border-bottom: 1px solid rgba(122, 147, 174, .5);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .pp-crumb a:hover {
  color: var(--orange-500);
  border-color: var(--orange-500);
}

.page-privacy .pp-crumb__sep {
  color: rgba(122, 147, 174, .7);
}

.page-privacy .pp-hero__title {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 6.6vw, 56px);
  line-height: 1.09;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-privacy .pp-hero__lead {
  margin: 24px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: .01em;
  color: rgba(252, 253, 255, .82);
}

.page-privacy .pp-hero__meta {
  margin: 32px 0 0;
  max-width: 58ch;
  padding-top: 16px;
  border-top: 1px solid rgba(122, 147, 174, .28);
  font-size: 13px;
  letter-spacing: .04em;
  color: rgba(252, 253, 255, .60);
}

/* --- 主体两栏 --- */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-top: 52px;
  padding-bottom: 88px;
}

/* --- 目录 --- */
.page-privacy .pp-toc {
  border-top: 2px solid var(--navy-900);
  padding-top: 16px;
}

.page-privacy .pp-toc__title {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--blue-300);
}

.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 12px;
}

.page-privacy .pp-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 10px 10px 0;
  border-bottom: 1px solid var(--line-soft);
  color: var(--navy-700);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .pp-toc__link:hover {
  color: var(--orange-700);
}

.page-privacy .pp-toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--blue-300);
  transition: color .2s var(--ease);
}

.page-privacy .pp-toc__link.is-active,
.page-privacy .pp-toc__link[aria-current="true"] {
  color: var(--orange-700);
  font-weight: 600;
}

.page-privacy .pp-toc__link.is-active .pp-toc__num,
.page-privacy .pp-toc__link[aria-current="true"] .pp-toc__num {
  color: var(--orange-500);
}

/* --- 正文流 --- */
.page-privacy .pp-body {
  min-width: 0;
  max-width: var(--pp-measure);
}

.page-privacy .pp-section {
  border-top: 1px solid var(--line);
  padding-top: 30px;
}

.page-privacy .pp-body > .pp-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .pp-section + .pp-section {
  margin-top: 48px;
}

.page-privacy .pp-section__num {
  display: block;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(38px, 8vw, 66px);
  font-weight: 700;
  line-height: .85;
  letter-spacing: -.03em;
  color: rgba(255, 106, 43, .9);
  -webkit-text-fill-color: transparent;
  -webkit-text-stroke: 1px var(--orange-500);
}

.page-privacy .pp-section__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-privacy .pp-subtitle {
  margin: 26px 0 10px;
  padding-left: 14px;
  position: relative;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--navy-700);
}

.page-privacy .pp-subtitle::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 6px;
  height: 6px;
  background: var(--orange-500);
}

.page-privacy .pp-text {
  margin: 0 0 16px;
  font-size: 16.5px;
  line-height: 1.85;
  letter-spacing: .01em;
  color: var(--pp-text);
}

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

/* --- 场景清单 --- */
.page-privacy .pp-scenes {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-privacy .pp-scene {
  position: relative;
  padding: 18px 0 18px 24px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pp-scene:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pp-scene::before {
  content: "";
  position: absolute;
  left: 0;
  top: 25px;
  width: 8px;
  height: 8px;
  background: var(--navy-500);
  transition: background .25s var(--ease);
}

.page-privacy .pp-scene:hover::before {
  background: var(--orange-500);
}

.page-privacy .pp-scene__name {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--navy-700);
}

.page-privacy .pp-scene__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  letter-spacing: .01em;
  color: var(--pp-text);
}

/* --- 雾蓝说明块 --- */
.page-privacy .pp-note {
  margin: 26px 0 0;
  padding: 20px 22px;
  background: var(--mist-100);
  border-left: 3px solid var(--orange-500);
  font-size: 15px;
  line-height: 1.8;
  letter-spacing: .01em;
  color: var(--navy-700);
}

.page-privacy .pp-note strong {
  color: var(--navy-900);
  font-weight: 700;
}

/* --- 细线列表 --- */
.page-privacy .pp-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-privacy .pp-list > li {
  position: relative;
  padding: 0 0 16px 26px;
  font-size: 15.5px;
  line-height: 1.8;
  letter-spacing: .01em;
  color: var(--pp-text);
}

.page-privacy .pp-list > li:last-child {
  padding-bottom: 0;
}

.page-privacy .pp-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 13px;
  height: 1px;
  background: var(--orange-500);
}

.page-privacy .pp-list > li strong {
  color: var(--navy-900);
  font-weight: 700;
}

/* --- 渠道块 --- */
.page-privacy .pp-channel {
  margin: 28px 0 0;
  padding: 24px 24px 26px;
  background: var(--navy-900);
  color: var(--paper);
  display: grid;
  gap: 8px;
}

.page-privacy .pp-channel__label {
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--blue-300);
}

.page-privacy .pp-channel__value {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 4.2vw, 23px);
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--paper);
  word-break: break-all;
}

.page-privacy .pp-channel__hint {
  margin: 6px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(122, 147, 174, .28);
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(252, 253, 255, .72);
}

/* --- 折叠问答 --- */
.page-privacy .pp-faq {
  margin-top: 56px;
  border-top: 2px solid var(--navy-900);
  padding-top: 28px;
}

.page-privacy .pp-faq__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 3.4vw, 22px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink-900);
}

.page-privacy .pp-faq__item {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pp-faq__q {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 17px 36px 17px 0;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--navy-700);
  transition: color .2s var(--ease);
}

.page-privacy .pp-faq__q::-webkit-details-marker {
  display: none;
}

.page-privacy .pp-faq__q:hover {
  color: var(--orange-700);
}

.page-privacy .pp-faq__q::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1;
  color: var(--orange-500);
  transition: transform .22s var(--ease);
}

.page-privacy .pp-faq__item[open] .pp-faq__q::after {
  transform: translateY(-50%) rotate(45deg);
}

.page-privacy .pp-faq__a {
  margin: 0;
  padding: 0 0 20px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  letter-spacing: .01em;
  color: var(--pp-text);
}

/* --- 收尾入口 --- */
.page-privacy .pp-closing {
  margin-top: 56px;
  padding: 30px 24px 32px;
  background: var(--navy-700);
  color: var(--paper);
}

.page-privacy .pp-closing__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 3.6vw, 24px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-privacy .pp-closing__text {
  margin: 0 0 22px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(252, 253, 255, .78);
}

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

.page-privacy .pp-closing__links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 16px;
  border: 1px solid rgba(122, 147, 174, .34);
  color: var(--paper);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.5;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}

.page-privacy .pp-closing__links a::before {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--orange-500);
  transition: transform .2s var(--ease);
}

.page-privacy .pp-closing__links a:hover {
  border-color: var(--orange-500);
  background: rgba(255, 106, 43, .14);
  color: var(--paper);
}

.page-privacy .pp-closing__links a:hover::before {
  transform: translateX(4px);
}

/* --- 回到顶部 --- */
.page-privacy .pp-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 15px;
  background: var(--navy-700);
  border: 1px solid rgba(122, 147, 174, .42);
  color: var(--paper);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: .04em;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .pp-top:hover {
  background: var(--orange-500);
  border-color: var(--orange-500);
}

/* --- 桌面布局 --- */
@media (min-width: 700px) {
  .page-privacy .pp-hero {
    padding: calc(var(--header-space) + 68px) 0 88px;
  }

  .page-privacy .pp-layout {
    padding-top: 68px;
    padding-bottom: 112px;
  }

  .page-privacy .pp-closing {
    padding: 38px 36px 40px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pp-layout {
    grid-template-columns: var(--pp-rail-w) minmax(0, 1fr);
    gap: 72px;
    padding-top: 80px;
    padding-bottom: 128px;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--header-space) + 20px);
    align-self: start;
  }

  .page-privacy .pp-toc__list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .page-privacy .pp-toc__link {
    padding: 11px 0 11px 14px;
    border-bottom: 0;
    border-left: 2px solid transparent;
    margin-bottom: 2px;
  }

  .page-privacy .pp-toc__link:hover {
    border-left-color: rgba(255, 106, 43, .45);
  }

  .page-privacy .pp-toc__link.is-active,
  .page-privacy .pp-toc__link[aria-current="true"] {
    border-left-color: var(--orange-500);
  }

  .page-privacy .pp-section {
    padding-top: 38px;
  }

  .page-privacy .pp-section + .pp-section {
    margin-top: 60px;
  }

  .page-privacy .pp-top {
    right: 32px;
    bottom: 32px;
  }
}

@media (min-width: 1280px) {
  .page-privacy .pp-hero__title {
    max-width: 24ch;
  }

  .page-privacy .pp-closing__links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .pp-scene::before,
  .page-privacy .pp-faq__q,
  .page-privacy .pp-faq__q::after,
  .page-privacy .pp-closing__links a,
  .page-privacy .pp-closing__links a::before,
  .page-privacy .pp-top,
  .page-privacy .pp-crumb a {
    transition-duration: .01ms;
  }
}