.page-privacy {
  --pv-read: 680px;
  --pv-toc: 196px;
  --pv-col-gap: clamp(28px, 5vw, 72px);
  --pv-sec-space: clamp(30px, 4.4vw, 54px);
  color: var(--c-cool);
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  padding-top: calc(var(--header-h) + clamp(16px, 3vw, 40px));
  padding-bottom: clamp(24px, 4vw, 46px);
}

.page-privacy .pv-hero .breadcrumbs {
  margin-bottom: clamp(20px, 3.4vw, 40px);
}

.page-privacy .pv-hero__inner {
  max-width: 760px;
}

.page-privacy .pv-hero__kicker {
  display: inline-block;
  margin: 0 0 16px;
  padding: 5px 12px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-cyan);
}

.page-privacy .pv-hero__title {
  margin: 0 0 18px;
  font-size: clamp(40px, 8.5vw, 78px);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--c-mint);
}

.page-privacy .pv-hero__lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--c-cool);
}

.page-privacy .pv-hero__facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--c-line);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 16px 20px;
}

.page-privacy .pv-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-privacy .pv-fact__v {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-cyan);
}

.page-privacy .pv-fact__k {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-slate);
}

/* ---------- 横幅 ---------- */

.page-privacy .pv-banner {
  margin: 0;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background: var(--c-night);
}

.page-privacy .pv-banner__img {
  display: block;
  width: 100%;
  max-width: 1400px;
  height: auto;
  margin: 0 auto;
  object-fit: cover;
}

/* ---------- 主体栅格 ---------- */

.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pv-col-gap);
  padding-top: clamp(32px, 5vw, 64px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-privacy .pv-toc {
  display: none;
}

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

/* ---------- 章节 ---------- */

.page-privacy .pv-sec {
  padding: var(--pv-sec-space) 0;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .pv-body > .pv-sec:first-child {
  padding-top: 0;
}

.page-privacy .pv-sec + .pv-sec {
  border-top: 1px solid var(--c-line);
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .pv-sec__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
  border-bottom: 1px solid var(--c-cyan);
  padding-bottom: 2px;
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-size: clamp(21px, 2.8vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--c-mint);
}

.page-privacy .pv-sec__intro {
  margin: 0 0 20px;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-cool);
}

/* ---------- 双栏信息块 ---------- */

.page-privacy .pv-duo {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-privacy .pv-tile {
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: clamp(16px, 2.4vw, 22px);
  background: linear-gradient(180deg, rgba(30, 59, 55, 0.4), rgba(6, 25, 23, 0.55));
  box-shadow: var(--shadow-1);
}

.page-privacy .pv-tile__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-amber);
}

.page-privacy .pv-tile__title {
  margin: 0 0 12px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--c-mint);
}

.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-list__item {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-cool);
}

.page-privacy .pv-list__item + .pv-list__item {
  margin-top: 8px;
}

.page-privacy .pv-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 6px;
  height: 1px;
  background: var(--c-cyan);
}

.page-privacy .pv-note {
  margin: 18px 0 0;
  padding: 4px 0 4px 14px;
  border-left: 2px solid var(--c-line);
  max-width: 40em;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-slate);
}

/* ---------- 用途列表 ---------- */

.page-privacy .pv-uses {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-use {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 16px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--c-line);
}

.page-privacy .pv-use:first-child {
  border-top: 1px dashed var(--c-line);
}

.page-privacy .pv-use__no {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-amber);
}

.page-privacy .pv-use__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-mint);
}

.page-privacy .pv-use__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-cool);
}

/* ---------- 步骤 ---------- */

.page-privacy .pv-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-privacy .pv-step {
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-cyan);
  border-radius: var(--radius);
  padding: 16px 16px 18px;
  background: rgba(6, 25, 23, 0.62);
}

.page-privacy .pv-step__no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-slate);
}

.page-privacy .pv-step__title {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-mint);
}

.page-privacy .pv-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-cool);
}

/* ---------- 浅底条款卡片 ---------- */

.page-privacy .pv-card {
  background: var(--c-mint);
  color: var(--c-ink);
  border-radius: var(--radius);
  padding: clamp(18px, 2.6vw, 26px);
  box-shadow: var(--shadow-1);
}

.page-privacy .pv-card__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.45;
  color: var(--c-ink);
}

.page-privacy .pv-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: #2b4440;
}

/* ---------- 保存期限 ---------- */

.page-privacy .pv-keep {
  margin-top: 22px;
}

.page-privacy .pv-keep__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 18px;
  align-items: baseline;
  padding: 13px 0;
  border-top: 1px solid var(--c-line);
}

.page-privacy .pv-keep__row:last-child {
  border-bottom: 1px solid var(--c-line);
}

.page-privacy .pv-keep__key {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--c-cool);
}

.page-privacy .pv-keep__val {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--c-amber);
}

/* ---------- 权利 ---------- */

.page-privacy .pv-rights {
  display: grid;
  grid-template-columns: 1fr;
}

.page-privacy .pv-right {
  padding: 17px 0;
  border-bottom: 1px solid var(--c-line);
}

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

.page-privacy .pv-right__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-privacy .pv-right__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-cool);
}

/* ---------- 联系 ---------- */

.page-privacy .pv-contact {
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-amber);
  border-radius: var(--radius);
  padding: clamp(16px, 2.4vw, 24px);
  background: rgba(94, 27, 46, 0.18);
}

.page-privacy .pv-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 10px 0;
}

.page-privacy .pv-contact__row + .pv-contact__row {
  border-top: 1px solid var(--c-line);
}

.page-privacy .pv-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-slate);
}

.page-privacy .pv-contact__val {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-mint);
  overflow-wrap: anywhere;
}

.page-privacy .pv-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-privacy .pv-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--c-cool);
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-privacy .pv-link:hover,
.page-privacy .pv-link:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}

/* ---------- 窄屏微调 ---------- */

@media (max-width: 520px) {
  .page-privacy .pv-keep__row {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .pv-keep__val {
    font-size: 13.5px;
  }

  .page-privacy .pv-use {
    gap: 6px 14px;
  }

  .page-privacy .pv-hero__facts {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

/* ---------- 中等屏：双栏与步骤排开 ---------- */

@media (min-width: 700px) {
  .page-privacy .pv-duo {
    grid-template-columns: 1fr 1fr;
  }

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

  .page-privacy .pv-right {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 0 18px;
    align-items: start;
  }

  .page-privacy .pv-right__key {
    margin-bottom: 0;
    padding-top: 4px;
  }
}

/* ---------- 宽屏：目录固定 + 窄版心 ---------- */

@media (min-width: 1000px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-toc) minmax(0, var(--pv-read));
    justify-content: center;
  }

  .page-privacy .pv-toc {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 30px);
    align-self: start;
  }

  .page-privacy .pv-toc__title {
    margin: 0 0 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.2em;
    color: var(--c-slate);
  }

  .page-privacy .pv-toc__list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .page-privacy .pv-toc__item + .pv-toc__item {
    margin-top: 2px;
  }

  .page-privacy .pv-toc__link {
    display: flex;
    gap: 9px;
    padding: 7px 0 7px 12px;
    border-left: 2px solid transparent;
    font-size: 13.5px;
    line-height: 1.5;
    color: var(--c-slate);
    text-decoration: none;
    transition: color 0.18s ease, border-color 0.18s ease;
  }

  .page-privacy .pv-toc__link:hover,
  .page-privacy .pv-toc__link:focus-visible {
    color: var(--c-cyan);
    border-left-color: var(--c-cyan);
  }

  .page-privacy .pv-toc__no {
    flex: none;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--c-cyan);
    opacity: 0.75;
  }
}