/* ===== 数据与隐私 · 页面专属样式 ===== */

.page-privacy {
  position: relative;
  background:
    radial-gradient(88% 44% at 94% 0%, rgba(59, 46, 126, .40), transparent 60%),
    radial-gradient(66% 38% at 2% 26%, rgba(14, 59, 54, .34), transparent 64%),
    var(--ink-night);
  color: var(--sand-paper);
}

/* ---------- 首屏 ---------- */

.page-privacy .prv-hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 40px;
  border-bottom: 1px solid var(--line);
}

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

.page-privacy .prv-hero__veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(92% 118% at 6% 0%, rgba(61, 240, 207, .16), transparent 56%),
    linear-gradient(102deg, rgba(8, 19, 31, .95) 2%, rgba(18, 41, 61, .84) 54%, rgba(59, 46, 126, .70) 100%);
}

.page-privacy .prv-hero__glyph {
  position: absolute;
  right: -30px;
  bottom: -34px;
  width: 190px;
  height: 190px;
  color: var(--fluo-cyan);
  opacity: .13;
  pointer-events: none;
}

.page-privacy .prv-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .prv-hero__crumbs {
  margin-bottom: 22px;
  color: var(--text-dim);
}

.page-privacy .prv-hero__eyebrow {
  color: var(--fluo-cyan);
}

.page-privacy .prv-hero__title {
  margin: 12px 0 0;
  max-width: 20ch;
  color: var(--signal-white);
}

.page-privacy .prv-hero__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  color: var(--text-soft);
}

.page-privacy .prv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-privacy .prv-flag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 15px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: var(--glass);
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
}

.page-privacy .prv-flag .mono {
  color: var(--fluo-cyan);
  font-size: 12px;
}

/* ---------- 主体骨架 ---------- */

.page-privacy .prv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  padding: 48px 0 88px;
}

.page-privacy .prv-sections {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  min-width: 0;
}

/* ---------- 章节索引 ---------- */

.page-privacy .prv-toc {
  min-width: 0;
}

.page-privacy .prv-toc__eyebrow {
  color: var(--mountain-mist);
  margin: 0 0 14px;
}

.page-privacy .prv-toc__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-privacy .prv-toc__link {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 10px 12px 10px 16px;
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-privacy .prv-toc__link::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: transparent;
  transition: background var(--dur) var(--ease);
}

.page-privacy .prv-toc__link:hover,
.page-privacy .prv-toc__link.is-active {
  color: var(--sand-paper);
}

.page-privacy .prv-toc__link.is-active::before {
  background: var(--fluo-cyan);
}

.page-privacy .prv-toc__link.is-active .prv-toc__num {
  color: var(--fluo-cyan);
}

.page-privacy .prv-toc__num {
  color: var(--mountain-mist);
  font-size: 12px;
  letter-spacing: .1em;
  transition: color var(--dur) var(--ease);
}

/* ---------- 内容分块 ---------- */

.page-privacy .prv-block {
  position: relative;
  padding: 28px 20px 32px;
  border-radius: var(--radius);
  background: var(--sand-paper);
  color: var(--ink-night);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .prv-block::before {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  margin-bottom: 18px;
  border-radius: 2px;
  background: var(--prv-accent, var(--indigo-deep));
}

.page-privacy .prv-block--a { --prv-accent: var(--indigo-deep); }
.page-privacy .prv-block--b { --prv-accent: var(--wine-deep); }
.page-privacy .prv-block--c { --prv-accent: var(--green-felt); }

.page-privacy .prv-head {
  display: grid;
  gap: 6px;
}

.page-privacy .prv-head__num {
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--prv-accent, var(--indigo-deep));
}

.page-privacy .prv-head__title {
  margin: 0;
  color: var(--ink-night);
}

.page-privacy .prv-lead {
  margin: 16px 0 0;
  max-width: 40ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(8, 19, 31, .72);
}

.page-privacy .prv-inline-link {
  color: var(--indigo-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color var(--dur) var(--ease);
}

.page-privacy .prv-inline-link:hover {
  color: var(--stand-orange);
}

/* ---------- 信息清单 ---------- */

.page-privacy .prv-facts {
  display: grid;
  gap: 0;
  margin: 24px 0 0;
}

.page-privacy .prv-fact {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid rgba(8, 19, 31, .12);
}

.page-privacy .prv-fact:first-child {
  padding-top: 0;
  border-top: none;
}

.page-privacy .prv-fact__key {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--pitch-navy);
}

.page-privacy .prv-fact__val {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: rgba(8, 19, 31, .82);
}

/* ---------- 三个用途 ---------- */

.page-privacy .prv-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.page-privacy .prv-path {
  padding: 20px 18px;
  border: 1px dashed rgba(8, 19, 31, .22);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .58);
}

.page-privacy .prv-path__title {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--ink-night);
}

.page-privacy .prv-path__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(8, 19, 31, .8);
}

/* ---------- 本地存储 ---------- */

.page-privacy .prv-store {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .prv-store__item {
  padding: 18px 0;
  border-top: 1px solid rgba(8, 19, 31, .12);
}

.page-privacy .prv-store__item:first-child {
  padding-top: 0;
  border-top: none;
}

.page-privacy .prv-store__tag {
  display: inline-block;
  padding: 4px 9px;
  border-radius: 4px;
  background: rgba(14, 59, 54, .12);
  color: var(--green-felt);
  font-size: 11px;
  letter-spacing: .14em;
}

.page-privacy .prv-store__title {
  margin: 10px 0 6px;
  font-size: 17px;
  color: var(--ink-night);
}

.page-privacy .prv-store__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(8, 19, 31, .8);
}

.page-privacy .prv-note {
  margin-top: 22px;
  padding: 18px 20px;
  border-left: 3px solid var(--stand-orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(59, 46, 126, .09);
}

.page-privacy .prv-note__title {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  color: var(--pitch-navy);
}

.page-privacy .prv-note__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(8, 19, 31, .82);
}

/* ---------- 退订与删除 ---------- */

.page-privacy .prv-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .prv-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-privacy .prv-step__idx {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--indigo-deep);
  color: var(--signal-white);
  font-size: 13px;
}

.page-privacy .prv-step__title {
  margin: 4px 0 6px;
  font-size: 17px;
  color: var(--ink-night);
}

.page-privacy .prv-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(8, 19, 31, .8);
}

.page-privacy .prv-fold {
  margin-top: 24px;
  border: 1px solid rgba(8, 19, 31, .16);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .58);
}

.page-privacy .prv-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--pitch-navy);
}

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

.page-privacy .prv-fold > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--indigo-deep);
}

.page-privacy .prv-fold[open] > summary::after {
  content: "\2212";
}

.page-privacy .prv-fold__body {
  padding: 0 18px 18px;
}

.page-privacy .prv-fold__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(8, 19, 31, .8);
}

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

/* ---------- 处理渠道 ---------- */

.page-privacy .prv-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 26px;
}

.page-privacy .prv-linkcard {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
  border: 1px solid rgba(8, 19, 31, .16);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .58);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .prv-linkcard:hover {
  border-color: var(--indigo-deep);
  background: rgba(255, 255, 255, .86);
  transform: translateY(-2px);
}

.page-privacy .prv-linkcard__idx {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mountain-mist);
}

.page-privacy .prv-linkcard__body {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-privacy .prv-linkcard__name {
  font-size: 16px;
  color: var(--ink-night);
}

.page-privacy .prv-linkcard__note {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(8, 19, 31, .7);
}

.page-privacy .prv-linkcard__arrow {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--stand-orange);
}

.page-privacy .prv-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px solid rgba(8, 19, 31, .12);
}

.page-privacy .prv-mail__label {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mountain-mist);
}

.page-privacy .prv-mail__addr {
  font-size: 15px;
  color: var(--pitch-navy);
  word-break: break-all;
}

.page-privacy .prv-mail__btn.copy-btn {
  padding: 8px 15px;
  border: 1px solid rgba(8, 19, 31, .24);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--pitch-navy);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.4;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .prv-mail__btn.copy-btn:hover {
  border-color: var(--indigo-deep);
  background: rgba(59, 46, 126, .1);
  color: var(--indigo-deep);
}

/* ---------- 交互状态与动效 ---------- */

.page-privacy .reveal {
  opacity: 1;
  transform: none;
}

.page-privacy .js .reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .34s var(--ease), transform .34s var(--ease);
}

.page-privacy .js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

.page-privacy .prv-fold > summary:focus-visible,
.page-privacy .prv-linkcard:focus-visible,
.page-privacy .prv-toc__link:focus-visible,
.page-privacy .prv-mail__btn.copy-btn:focus-visible {
  outline: 2px solid var(--fluo-cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 560px) {
  .page-privacy .prv-block {
    padding: 34px 30px 38px;
  }

  .page-privacy .prv-fact {
    grid-template-columns: 138px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-privacy .prv-path {
    padding: 22px 22px;
  }
}

@media (min-width: 860px) {
  .page-privacy .prv-hero {
    padding: 62px 0 62px;
  }

  .page-privacy .prv-hero__glyph {
    right: 4%;
    bottom: -50px;
    width: 300px;
    height: 300px;
    opacity: .16;
  }

  .page-privacy .prv-flag {
    padding: 8px 18px;
    font-size: 13.5px;
  }

  .page-privacy .prv-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-privacy .prv-store {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-privacy .prv-store__item:nth-child(2) {
    padding-top: 0;
    border-top: none;
  }

  .page-privacy .prv-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-privacy .prv-step {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

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

@media (min-width: 1000px) {
  .page-privacy .prv-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 72px;
    padding: 84px 0 120px;
  }

  .page-privacy .prv-sections {
    gap: 34px;
  }

  .page-privacy .prv-block {
    padding: 44px 48px 48px;
  }

  .page-privacy .prv-toc {
    position: sticky;
    top: calc(var(--header-h) + 22px);
    align-self: start;
  }

  .page-privacy .prv-fact {
    grid-template-columns: 152px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .js .reveal,
  .page-privacy .prv-linkcard,
  .page-privacy .prv-toc__link {
    transition: none;
  }

  .page-privacy .prv-linkcard:hover {
    transform: none;
  }
}