/* ============ 数据与隐私 ============ */
.page-privacy {
  --priv-body: 680px;
  --priv-hair: rgba(46, 55, 96, .72);
  background: var(--space);
  color: var(--halo);
  padding-bottom: 112px;
}

.page-privacy a {
  color: var(--sun);
}

/* ---------- 首屏 ---------- */
.page-privacy .priv-hero {
  position: relative;
  padding-top: 40px;
  overflow: hidden;
}

.page-privacy .priv-hero::after {
  content: "";
  position: absolute;
  top: -180px;
  right: -140px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 138, 24, .3) 0%, rgba(255, 138, 24, 0) 66%);
  pointer-events: none;
}

.page-privacy .priv-hero > .container {
  position: relative;
  z-index: 1;
}

.page-privacy .priv-hero__title {
  margin: 18px 0 22px;
  font-size: clamp(34px, 8vw, 74px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--halo);
}

.page-privacy .priv-hero__lede {
  max-width: 620px;
  margin: 0;
  color: var(--halo);
}

.page-privacy .priv-hero__banner {
  margin-top: 52px;
  border-top: 2px solid var(--edge);
  border-bottom: 2px solid var(--edge);
  background: var(--deep);
}

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

/* ---------- 主栅格 ---------- */
.page-privacy .priv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding-top: 64px;
  align-items: start;
}

.page-privacy .priv-body {
  min-width: 0;
}

/* ---------- 目录光轨 ---------- */
.page-privacy .priv-toc {
  min-width: 0;
}

.page-privacy .priv-toc__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-privacy .priv-toc__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-privacy .priv-toc__item {
  flex: none;
}

.page-privacy .priv-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border: 2px solid var(--edge);
  background: var(--deep);
  color: var(--slate);
  font-size: 14px;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  transition: color .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease);
}

.page-privacy .priv-toc__link::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  border: 2px solid var(--edge);
  background: transparent;
  transition: background .16s var(--ease), border-color .16s var(--ease), box-shadow .16s var(--ease);
}

.page-privacy .priv-toc__link:hover,
.page-privacy .priv-toc__link:focus-visible {
  color: var(--halo);
  border-color: var(--sun);
}

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

/* 点击目录后，对应节点亮起 */
.page-privacy:has(#priv-collect:target) .priv-toc__link[href="#priv-collect"]::before,
.page-privacy:has(#priv-use:target) .priv-toc__link[href="#priv-use"]::before,
.page-privacy:has(#priv-keep:target) .priv-toc__link[href="#priv-keep"]::before,
.page-privacy:has(#priv-rights:target) .priv-toc__link[href="#priv-rights"]::before,
.page-privacy:has(#priv-minor:target) .priv-toc__link[href="#priv-minor"]::before,
.page-privacy:has(#priv-update:target) .priv-toc__link[href="#priv-update"]::before {
  background: var(--sun);
  border-color: var(--sun);
  box-shadow: 0 0 0 4px rgba(255, 138, 24, .18);
}

/* ---------- 章节 ---------- */
.page-privacy .priv-sec {
  padding-top: 44px;
  border-top: 1px solid var(--priv-hair);
  scroll-margin-top: 88px;
}

.page-privacy .priv-sec:first-of-type {
  border-top: 2px solid var(--edge);
}

.page-privacy .priv-sec + .priv-sec {
  margin-top: 52px;
}

.page-privacy .priv-sec__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(44px, 9vw, 88px);
  font-weight: 900;
  line-height: .9;
  letter-spacing: -0.04em;
  color: var(--edge);
  transition: color .2s var(--ease);
}

.page-privacy .priv-sec:target .priv-sec__num {
  color: var(--sun);
}

.page-privacy .priv-sec__title {
  margin: 10px 0 18px;
  font-size: clamp(23px, 4.4vw, 34px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--halo);
}

.page-privacy .priv-sec p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--halo);
}

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

.page-privacy .priv-sec a {
  color: var(--sun);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .priv-sec a:hover {
  color: var(--amber);
}

/* ---------- 术语释义两列 ---------- */
.page-privacy .priv-defs {
  margin: 26px 0 0;
  padding: 0;
}

.page-privacy .priv-defs__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 16px 0;
  border-bottom: 1px solid var(--priv-hair);
}

.page-privacy .priv-defs__row:first-child {
  border-top: 1px solid var(--priv-hair);
}

.page-privacy .priv-defs__key {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--amber);
}

.page-privacy .priv-defs__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--halo);
}

/* ---------- 用途卡片 ---------- */
.page-privacy .priv-uses {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .priv-uses__item {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  background: var(--deep);
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-hard);
  transition: border-color .16s var(--ease), transform .16s var(--ease);
}

@media (hover: hover) {
  .page-privacy .priv-uses__item:hover {
    border-color: var(--sun);
    transform: translate(-2px, -2px);
  }
}

.page-privacy .priv-uses__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--sun);
}

.page-privacy .priv-uses__title {
  display: block;
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--halo);
}

.page-privacy .priv-uses__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 247, 236, .84);
}

/* ---------- 光轨行列表 ---------- */
.page-privacy .priv-rows {
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 0 20px;
  border-left: 2px solid var(--edge);
  display: grid;
  gap: 20px;
}

.page-privacy .priv-rows--plain {
  border-left-color: var(--dawn);
}

.page-privacy .priv-rows__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--amber);
}

.page-privacy .priv-rows__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.82;
  color: var(--halo);
}

/* ---------- 行动入口 ---------- */
.page-privacy .priv-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 联络块 ---------- */
.page-privacy .priv-contact {
  margin-top: 28px;
  padding: 22px 20px;
  background: var(--deep);
  border: 2px solid var(--edge);
  box-shadow: var(--shadow-hard);
}

.page-privacy .priv-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .priv-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--priv-hair);
}

.page-privacy .priv-contact__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .priv-contact__key {
  flex: none;
  width: 72px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-privacy .priv-contact__val {
  font-size: 15px;
  line-height: 1.65;
  color: var(--halo);
  word-break: break-word;
}

.page-privacy .priv-contact__copy {
  margin-left: auto;
  flex: none;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--amber);
  background: transparent;
  border: 2px solid var(--edge);
  cursor: pointer;
  transition: border-color .16s var(--ease), color .16s var(--ease);
}

.page-privacy .priv-contact__copy:hover,
.page-privacy .priv-contact__copy:focus-visible {
  border-color: var(--sun);
  color: var(--sun);
}

.page-privacy .priv-contact__copy:focus-visible {
  outline: 2px solid var(--sun);
  outline-offset: 2px;
}

.page-privacy .priv-contact__copy.is-copied {
  border-color: var(--mint);
  color: var(--mint);
}

.page-privacy .priv-contact__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 620px) {
  .page-privacy .priv-defs__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 0 24px;
    align-items: baseline;
  }

  .page-privacy .priv-contact {
    padding: 26px 28px;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 1024px) {
  .page-privacy .priv-layout {
    grid-template-columns: minmax(0, var(--priv-body)) minmax(180px, 1fr);
    gap: 72px;
    padding-top: 104px;
  }

  .page-privacy .priv-toc {
    position: sticky;
    top: 96px;
  }

  .page-privacy .priv-toc__list {
    flex-direction: column;
    gap: 0;
    padding: 0;
    border-left: 2px solid var(--edge);
    overflow: visible;
  }

  .page-privacy .priv-toc__item {
    flex: initial;
  }

  .page-privacy .priv-toc__link {
    position: relative;
    display: flex;
    width: 100%;
    padding: 11px 12px 11px 24px;
    border-color: transparent;
    background: transparent;
    white-space: normal;
    font-size: 15px;
    line-height: 1.5;
  }

  .page-privacy .priv-toc__link::before {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    margin: 0;
  }

  .page-privacy .priv-toc__link:hover,
  .page-privacy .priv-toc__link:focus-visible {
    background: rgba(22, 29, 56, .82);
    border-color: transparent;
  }

  .page-privacy .priv-sec {
    scroll-margin-top: 104px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .priv-uses__item,
  .page-privacy .priv-toc__link,
  .page-privacy .priv-toc__link::before,
  .page-privacy .priv-sec__num,
  .page-privacy .priv-contact__copy {
    transition: none;
  }
}