.page-privacy {
  --privacy-rail: 210px;
  --clause-gap: clamp(56px, 7vw, 88px);
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(47, 224, 208, 0.16) 0%, rgba(7, 26, 47, 0) 58%),
    radial-gradient(80% 70% at 4% 100%, rgba(123, 107, 255, 0.16) 0%, rgba(7, 26, 47, 0) 60%),
    var(--deep);
  color: var(--paper);
  padding: clamp(28px, 4vw, 44px) 0 clamp(52px, 7vw, 88px);
  overflow: hidden;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(159, 179, 200, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 179, 200, 0.07) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0));
}

.page-privacy .privacy-hero .shell {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-crumbs {
  margin-bottom: clamp(30px, 4vw, 52px);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: clamp(32px, 4vw, 56px);
}

.page-privacy .privacy-hero__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-hero__title {
  margin: 16px 0 0;
  font-size: clamp(38px, 7vw, 62px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.01em;
}

.page-privacy .privacy-hero__lede {
  margin: 24px 0 0;
  max-width: 36em;
  font-size: var(--fs-lede);
  line-height: 1.85;
  color: rgba(247, 250, 252, 0.82);
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 28px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  color: var(--steel);
}

.page-privacy .privacy-hero__meta-item {
  position: relative;
  padding-left: 14px;
}

.page-privacy .privacy-hero__meta-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
}

.page-privacy .privacy-figure {
  margin: 0;
}

.page-privacy .privacy-figure .figure__frame {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--navy);
  overflow: hidden;
  aspect-ratio: 14 / 9;
  box-shadow: var(--shadow);
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.94;
}

.page-privacy .privacy-figure .figure__caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-main {
  padding: clamp(48px, 6vw, 76px) 0 clamp(72px, 9vw, 116px);
}

.page-privacy .privacy-layout {
  display: grid;
  gap: 40px;
}

/* ---------- 侧边目录 ---------- */
.page-privacy .privacy-rail .side-index {
  border-top: 2px solid var(--cyan);
  padding-top: 16px;
}

.page-privacy .side-index__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-privacy .side-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-privacy .side-index__link {
  display: flex;
  gap: 10px;
  padding: 9px 0 9px 12px;
  border-left: 1px solid var(--line-ink);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  text-decoration: none;
  transition: color var(--dur) ease, border-color var(--dur) ease, background-color var(--dur) ease;
}

.page-privacy .side-index__link .mono {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--steel);
  padding-top: 3px;
}

.page-privacy .side-index__link:hover,
.page-privacy .side-index__link:focus-visible {
  color: var(--deep);
  border-left-color: var(--cyan);
  background: rgba(47, 224, 208, 0.06);
}

.page-privacy .side-index__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 条款正文 ---------- */
.page-privacy .privacy-body {
  max-width: 42rem;
}

.page-privacy .clause {
  scroll-margin-top: 120px;
}

.page-privacy .clause + .clause {
  margin-top: var(--clause-gap);
  padding-top: clamp(36px, 4vw, 48px);
  border-top: 1px solid var(--line-ink);
}

.page-privacy .clause__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.page-privacy .clause__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--violet);
}

.page-privacy .clause__title {
  margin: 0;
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.005em;
}

.page-privacy .clause__lead {
  margin: 20px 0 0;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--ink-soft);
}

/* 条款行式清单 */
.page-privacy .terms {
  margin-top: 26px;
  border-top: 1px solid var(--line-ink);
}

.page-privacy .terms__row {
  display: grid;
  gap: 10px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-ink);
}

.page-privacy .terms__key {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--mid);
}

.page-privacy .terms__key::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--cyan);
  vertical-align: middle;
}

.page-privacy .terms__val {
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-privacy .note-block {
  margin: 26px 0 0;
  padding: 18px 20px;
  background: var(--mist);
  border-left: 2px solid var(--cyan);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mid);
}

/* 保留期限 */
.page-privacy .retention {
  margin-top: 26px;
  border-top: 1px solid var(--line-ink);
}

.page-privacy .retention__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-ink);
}

.page-privacy .retention__label {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .retention__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--coral);
}

.page-privacy .retention__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* 您的选择 */
.page-privacy .choices {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: privacy-choice;
  border-top: 1px solid var(--line-ink);
}

.page-privacy .choices li {
  position: relative;
  padding: 20px 0 20px 46px;
  border-bottom: 1px solid var(--line-ink);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-privacy .choices li::before {
  counter-increment: privacy-choice;
  content: counter(privacy-choice, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--violet);
}

.page-privacy .choices li strong {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

/* 联系方式卡片 */
.page-privacy .contact-card {
  display: grid;
  gap: 22px;
  margin-top: 26px;
  padding: 24px;
  background: var(--mist);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}

.page-privacy .contact-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-privacy .contact-card__value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--mid);
  word-break: break-word;
}

.page-privacy .contact-card__note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-privacy .privacy-copy {
  margin-top: 14px;
}

.page-privacy .privacy-copy[data-copied="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--deep);
}

.page-privacy .privacy-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 20px;
  margin: 30px 0 0;
  font-size: 15px;
  color: var(--steel);
}

.page-privacy .privacy-links a {
  color: var(--mid);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-privacy .privacy-links a:hover,
.page-privacy .privacy-links a:focus-visible {
  color: var(--deep);
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-links a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 700px) {
  .page-privacy .terms__row {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

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

  .page-privacy .retention__desc {
    grid-column: 1 / -1;
  }

  .page-privacy .contact-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: clamp(48px, 5vw, 76px);
  }

  .page-privacy .privacy-hero__text {
    padding-left: clamp(0px, 2vw, 28px);
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    gap: clamp(48px, 6vw, 84px);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 108px;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-hero__text {
    padding-left: clamp(24px, 4vw, 64px);
  }
}

/* ---------- 动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .side-index__link,
  .page-privacy .privacy-links a {
    transition: none;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-privacy {
    background: #fff;
    color: #000;
  }

  .page-privacy .privacy-hero {
    background: none;
    color: #000;
    padding: 0 0 20px;
  }

  .page-privacy .privacy-hero::after,
  .page-privacy .privacy-rail,
  .page-privacy .privacy-copy,
  .page-privacy .privacy-figure {
    display: none !important;
  }

  .page-privacy .privacy-hero__eyebrow,
  .page-privacy .privacy-hero__lede,
  .page-privacy .privacy-hero__meta {
    color: #000;
  }

  .page-privacy .privacy-layout {
    display: block;
  }

  .page-privacy .privacy-body {
    max-width: none;
  }

  .page-privacy .clause {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .page-privacy .terms__row,
  .page-privacy .retention__row,
  .page-privacy .choices li {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .page-privacy .contact-card,
  .page-privacy .note-block {
    background: none;
    border-color: #999;
  }
}
</