.page-privacy {
  --pp-hair: rgba(143, 163, 184, .18);
  --pp-hair-strong: rgba(143, 163, 184, .36);
  --pp-panel: rgba(12, 22, 38, .72);
  display: block;
  background: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4vw, 42px) 0 clamp(26px, 4.4vw, 48px);
  border-bottom: 1px solid var(--pp-hair);
  background:
    radial-gradient(120% 92% at 100% 0%, rgba(26, 20, 64, .88) 0%, rgba(6, 11, 20, 0) 62%),
    linear-gradient(180deg, var(--ink-2) 0%, var(--ink) 100%);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image: repeating-linear-gradient(90deg, rgba(47, 243, 224, .06) 0 1px, transparent 1px 72px);
}

.page-privacy .pp-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-privacy .pp-hero .breadcrumbs {
  margin-bottom: clamp(14px, 2.4vw, 24px);
}

.page-privacy .pp-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.1;
  font-size: clamp(29px, 6.2vw, 60px);
  color: var(--paper);
  margin: 10px 0 0;
  max-width: 21ch;
}

.page-privacy .pp-hero__lede {
  max-width: 62ch;
  margin: clamp(14px, 2vw, 20px) 0 0;
  color: var(--mist);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
}

/* ---------- 流向图 ---------- */
.page-privacy .pp-flow {
  margin-top: clamp(22px, 3.6vw, 38px);
  border: 1px solid var(--pp-hair);
  background: rgba(6, 11, 20, .6);
  padding: 12px 6px 6px;
  overflow-x: auto;
}

.page-privacy .pp-flow svg {
  display: block;
  width: 100%;
  min-width: 640px;
  height: auto;
}

.page-privacy .pp-flow text {
  font-family: var(--font-mono);
}

.page-privacy .pp-flow .t1 {
  font-size: 26px;
  fill: var(--paper);
}

.page-privacy .pp-flow .t2 {
  font-size: 19px;
  fill: var(--mist);
}

/* ---------- 横幅图 ---------- */
.page-privacy .pp-banner {
  margin: clamp(26px, 4vw, 44px) auto 0;
}

.page-privacy .pp-banner .media__caption {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 版式骨架 ---------- */
.page-privacy .pp-body {
  padding: clamp(30px, 4.6vw, 60px) 0 clamp(56px, 8vw, 104px);
  background: linear-gradient(180deg, var(--ink) 0%, #050912 100%);
}

.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 48px);
  align-items: start;
}

.page-privacy .pp-main {
  min-width: 0;
}

/* ---------- 章节索引 ---------- */
.page-privacy .pp-toc {
  position: relative;
  border: 1px solid var(--pp-hair);
  background: var(--pp-panel);
  padding: 20px 16px 16px;
}

.page-privacy .pp-toc::after {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  width: 3px;
  height: 48px;
  background: linear-gradient(180deg, var(--cyan), var(--orange));
}

.page-privacy .pp-toc__title {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .pp-toc__list a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 7px 6px;
  text-decoration: none;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.5;
  border-left: 2px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-privacy .pp-toc__list a:hover,
.page-privacy .pp-toc__list a:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: rgba(47, 243, 224, .07);
}

.page-privacy .pp-toc__num {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-privacy .pp-toc__list li:nth-child(2) .pp-toc__num,
.page-privacy .pp-toc__list li:nth-child(4) .pp-toc__num {
  color: var(--term);
}

.page-privacy .pp-toc__list li:nth-child(5) .pp-toc__num {
  color: var(--orange);
}

.page-privacy .pp-toc__foot {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--pp-hair);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-privacy .pp-toc__foot b {
  color: var(--paper);
  font-weight: 600;
  word-break: break-all;
}

/* ---------- 章节 ---------- */
.page-privacy .pp-sec {
  padding: clamp(26px, 3.6vw, 46px) 0;
  border-top: 1px solid var(--pp-hair);
  scroll-margin-top: calc(var(--head-h) + 28px);
}

.page-privacy .pp-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .pp-sec__num {
  display: block;
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--orange);
}

.page-privacy .pp-sec__title {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -.01em;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.24;
  color: var(--paper);
  margin: 0 0 14px;
  max-width: 26ch;
}

.page-privacy .pp-sec__lead {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  max-width: 58ch;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: 16px;
  line-height: 1.78;
  color: rgba(242, 245, 247, .88);
}

.page-privacy .pp-after {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-privacy .pp-sec a {
  color: var(--term);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(124, 232, 217, .42);
  transition: color .18s var(--ease), text-decoration-color .18s var(--ease);
}

.page-privacy .pp-sec a:hover,
.page-privacy .pp-sec a:focus-visible {
  color: var(--orange);
  text-decoration-color: var(--orange);
}

/* ---------- 要点列表 ---------- */
.page-privacy .pp-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pp-list > li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(143, 163, 184, .12);
}

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

.page-privacy .pp-list__idx {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--term);
  padding-top: 3px;
}

.page-privacy .pp-list__name {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 16px;
  line-height: 1.5;
  color: var(--paper);
}

.page-privacy .pp-list p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 用途卡片 ---------- */
.page-privacy .pp-uses {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-privacy .pp-use {
  border: 1px solid var(--pp-hair);
  border-left: 3px solid var(--cyan);
  background: rgba(12, 22, 38, .66);
  padding: 18px 18px 20px;
  transition: border-color .2s var(--ease), transform .2s var(--ease), background .2s var(--ease);
}

.page-privacy .pp-use:nth-child(2) {
  border-left-color: var(--term);
}

.page-privacy .pp-use:nth-child(3) {
  border-left-color: var(--gold);
}

.page-privacy .pp-use:nth-child(4) {
  border-left-color: var(--orange);
}

.page-privacy .pp-use:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  background: rgba(16, 28, 48, .78);
}

.page-privacy .pp-use__k {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-privacy .pp-use h3 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--paper);
}

.page-privacy .pp-use p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 保留时长 ---------- */
.page-privacy .pp-durations {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--pp-hair);
  background: var(--pp-hair);
}

.page-privacy .pp-dur {
  background: #0A1220;
  padding: 20px 16px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-privacy .pp-dur__v {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 50px);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--paper);
  display: flex;
  align-items: baseline;
}

.page-privacy .pp-dur__v em {
  font-style: normal;
  font-size: .4em;
  letter-spacing: .1em;
  margin-left: 5px;
  color: var(--cyan);
}

.page-privacy .pp-dur:nth-child(2) .pp-dur__v em {
  color: var(--term);
}

.page-privacy .pp-dur:nth-child(3) .pp-dur__v em {
  color: var(--gold);
}

.page-privacy .pp-dur:nth-child(4) .pp-dur__v em {
  color: var(--orange);
}

.page-privacy .pp-dur__l {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 跨设备同步 ---------- */
.page-privacy .pp-sync {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-privacy .pp-sync__panel {
  border: 1px solid var(--pp-hair-strong);
  padding: 20px 18px 22px;
}

.page-privacy .pp-sync__panel--old {
  background: rgba(11, 46, 44, .5);
}

.page-privacy .pp-sync__panel--new {
  background: rgba(26, 20, 64, .55);
}

.page-privacy .pp-sync__tag {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--paper);
}

.page-privacy .pp-sync__items {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-privacy .pp-sync__items li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-privacy .pp-sync__items li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .pp-sync__panel--new .pp-sync__items li::before {
  background: var(--orange);
}

.page-privacy .pp-sync__arrow {
  display: grid;
  place-items: center;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 20px;
  padding: 6px 0;
}

.page-privacy .pp-sync__arrow span {
  display: inline-block;
  transform: rotate(90deg);
}

/* ---------- 联系方式卡 ---------- */
.page-privacy .pp-contact {
  margin-top: clamp(22px, 3vw, 34px);
  border: 1px solid rgba(233, 185, 73, .34);
  background: linear-gradient(135deg, rgba(26, 20, 64, .62) 0%, rgba(12, 22, 38, .72) 100%);
  padding: 20px 18px 22px;
}

.page-privacy .pp-contact__k {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-privacy .pp-contact__line {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.1vw, 19px);
  letter-spacing: .04em;
  color: var(--paper);
  word-break: break-word;
}

.page-privacy .pp-contact__line span {
  color: var(--mist);
  margin: 0 6px;
}

.page-privacy .pp-contact__note {
  margin: 0;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-privacy .pp-contact a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pp-contact a:hover,
.page-privacy .pp-contact a:focus-visible {
  color: var(--orange);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-privacy .pp-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-privacy .pp-durations {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-privacy .pp-sync {
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: stretch;
    gap: 0;
  }

  .page-privacy .pp-sync__arrow {
    padding: 0 18px;
  }

  .page-privacy .pp-sync__arrow span {
    transform: none;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pp-layout {
    grid-template-columns: 236px minmax(0, 1fr);
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--head-h) + 20px);
    max-height: calc(100vh - var(--head-h) - 40px);
    overflow-y: auto;
  }
}

@media (max-width: 520px) {
  .page-privacy .pp-list > li {
    grid-template-columns: 26px minmax(0, 1fr);
    gap: 10px;
  }

  .page-privacy .pp-contact__line {
    line-height: 1.7;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-use,
  .page-privacy .pp-toc__list a,
  .page-privacy .pp-sec a {
    transition: none;
  }

  .page-privacy .pp-use:hover {
    transform: none;
  }
}