.page-privacy {
  --pp-line: rgba(18, 57, 94, 0.16);
  --pp-line-strong: rgba(18, 57, 94, 0.34);
  --pp-index-w: 232px;
  background: var(--paper);
  color: var(--text-ink);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  background:
    radial-gradient(120% 90% at 88% 10%, rgba(111, 211, 232, 0.18) 0%, rgba(111, 211, 232, 0) 55%),
    linear-gradient(178deg, var(--ink) 0%, var(--night) 100%);
  color: var(--flag-white);
  padding: 56px 0 60px;
  overflow: hidden;
}
.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glacier), transparent);
  opacity: 0.45;
}
.page-privacy .privacy-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}
.page-privacy .privacy-hero__eyebrow {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--glacier);
  margin: 0 0 14px;
}
.page-privacy .privacy-hero__copy h1 {
  margin: 0 0 18px;
  font-size: 30px;
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--flag-white);
  max-width: 20ch;
}
.page-privacy .privacy-hero__lede {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(255, 255, 255, 0.86);
  max-width: 54ch;
}
.page-privacy .privacy-hero__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-privacy .privacy-hero__meta .index-tag {
  border: 1px solid var(--glass-line);
  background: var(--glass);
  color: var(--flag-white);
  padding: 5px 11px;
  font-size: 12px;
}
.page-privacy .privacy-hero__art {
  position: relative;
  margin: 0;
  border: 1px solid var(--glass-line);
  background: var(--glass);
  padding: 8px;
  backdrop-filter: blur(4px);
}
.page-privacy .privacy-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 6;
  border-radius: 2px;
}
.page-privacy .privacy-hero__cap {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--glacier);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding: 44px 0 72px;
}

/* ---------- 侧边索引 ---------- */
.page-privacy .privacy-index__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-soft);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--night);
}
.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.page-privacy .privacy-index__list li {
  flex: 1 1 auto;
}
.page-privacy .privacy-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--text-ink);
  text-decoration: none;
  background: var(--paper-2);
  border: 1px solid var(--pp-line);
  border-left: 3px solid var(--night);
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}
.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  border-left-color: var(--glacier);
  background: #ffffff;
  transform: translateX(2px);
}
.page-privacy .privacy-index__num {
  font-size: 12px;
  color: var(--flag-blue);
  font-weight: 600;
}
.page-privacy .privacy-index__card {
  padding: 18px 16px;
  background: var(--night);
  color: var(--flag-white);
  border: 1px solid rgba(111, 211, 232, 0.32);
}
.page-privacy .privacy-index__card-title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.page-privacy .privacy-index__card-text {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.82);
}
.page-privacy .privacy-index__card .btn {
  display: inline-block;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-content {
  min-width: 0;
}
.page-privacy .privacy-section {
  background: var(--paper-2);
  border: 1px solid var(--pp-line);
  border-top: 3px solid var(--night);
  padding: 26px 20px 30px;
  margin-bottom: 26px;
}
.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--pp-line-strong);
}
.page-privacy .privacy-section__num {
  font-size: 22px;
  font-weight: 700;
  color: var(--glacier);
  line-height: 1;
}
.page-privacy .privacy-section__title {
  margin: 0;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--night);
}
.page-privacy .privacy-section__lead {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--text-soft);
  max-width: 62ch;
}
.page-privacy .privacy-section p {
  font-size: 15px;
  line-height: 1.82;
  color: var(--text-ink);
}
.page-privacy .privacy-section__note {
  margin: 18px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--flag-yellow);
  background: rgba(232, 179, 58, 0.08);
  font-size: 14px;
  line-height: 1.78;
  color: var(--text-ink);
}
.page-privacy .privacy-section__note a {
  color: var(--flag-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-privacy .privacy-section__note a:hover {
  color: var(--glacier);
}

/* ---------- 收集范围卡片 ---------- */
.page-privacy .privacy-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
.page-privacy .privacy-card {
  padding: 16px 16px 18px;
  background: #ffffff;
  border: 1px solid var(--pp-line);
  border-left: 4px solid var(--glacier);
}
.page-privacy .privacy-card__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--night);
  letter-spacing: -0.01em;
}
.page-privacy .privacy-card p {
  margin: 0;
  font-size: 14.5px;
}

/* ---------- 使用方式列表 ---------- */
.page-privacy .privacy-uselist {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pp-line);
}
.page-privacy .privacy-uselist li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pp-line);
}
.page-privacy .privacy-uselist__idx {
  font-size: 18px;
  font-weight: 700;
  color: var(--flag-blue);
  line-height: 1.4;
  text-align: center;
  background: rgba(46, 111, 191, 0.08);
  border-radius: 2px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-privacy .privacy-uselist h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--night);
  letter-spacing: -0.01em;
}
.page-privacy .privacy-uselist p {
  margin: 0;
  font-size: 14.5px;
}

/* ---------- 安全措施 ---------- */
.page-privacy .privacy-shield {
  display: grid;
  gap: 12px;
}
.page-privacy .privacy-shield__row {
  display: grid;
  gap: 8px;
  padding: 14px 15px;
  background: rgba(18, 57, 94, 0.04);
  border: 1px solid var(--pp-line);
}
.page-privacy .privacy-shield__row .status {
  justify-self: start;
}
.page-privacy .privacy-shield__row p {
  margin: 0;
  font-size: 14.5px;
}

/* ---------- 联系方式 ---------- */
.page-privacy .privacy-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-privacy .privacy-contact__item {
  padding: 14px 15px 16px;
  background: var(--night);
  color: var(--flag-white);
  border: 1px solid rgba(111, 211, 232, 0.24);
}
.page-privacy .privacy-contact__label {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--glacier);
}
.page-privacy .privacy-contact__value {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--flag-white);
  word-break: break-word;
}
.page-privacy .privacy-contact__item .copybtn {
  display: inline-block;
}

/* ---------- 常见疑问 ---------- */
.page-privacy .privacy-section--faq {
  background: transparent;
  border: none;
  border-top: 3px solid var(--night);
  padding: 26px 0 0;
}
.page-privacy .privacy-section--faq .accordion {
  border-top: 1px solid var(--pp-line);
}
.page-privacy .privacy-section--faq .accordion__item {
  border-bottom: 1px solid var(--pp-line);
}
.page-privacy .privacy-section--faq .accordion__trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 16px 2px;
  background: transparent;
  border: none;
  text-align: left;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--night);
  cursor: pointer;
  font-family: inherit;
}
.page-privacy .privacy-section--faq .accordion__trigger:hover {
  color: var(--flag-blue);
}
.page-privacy .privacy-section--faq .accordion__sign {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  position: relative;
  border: 1px solid var(--pp-line-strong);
  border-radius: 50%;
}
.page-privacy .privacy-section--faq .accordion__sign::before,
.page-privacy .privacy-section--faq .accordion__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--night);
  transform: translate(-50%, -50%);
}
.page-privacy .privacy-section--faq .accordion__sign::before {
  width: 9px;
  height: 1.5px;
}
.page-privacy .privacy-section--faq .accordion__sign::after {
  width: 1.5px;
  height: 9px;
  transition: transform 0.18s ease, opacity 0.18s ease;
}
.page-privacy .privacy-section--faq .accordion__trigger[aria-expanded="true"] .accordion__sign::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}
.page-privacy .privacy-section--faq .accordion__panel {
  padding: 0 2px 18px;
}
.page-privacy .privacy-section--faq .accordion__panel p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--text-soft);
  max-width: 62ch;
}

/* ---------- 结尾 CTA ---------- */
.page-privacy .privacy-cta {
  margin-top: 24px;
  padding: 20px 18px;
  background: var(--night);
  color: var(--flag-white);
  display: flex;
  flex-direction: column;
  gap: 14px;
  border-left: 4px solid var(--flag-yellow);
}
.page-privacy .privacy-cta__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: rgba(255, 255, 255, 0.9);
  max-width: 58ch;
}
.page-privacy .privacy-cta .btn {
  align-self: flex-start;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .page-privacy .privacy-hero {
    padding: 72px 0 80px;
  }
  .page-privacy .privacy-hero__copy h1 {
    font-size: 40px;
  }
  .page-privacy .privacy-hero__lede {
    font-size: 17px;
  }
  .page-privacy .privacy-section {
    padding: 34px 34px 38px;
    margin-bottom: 30px;
  }
  .page-privacy .privacy-section__title {
    font-size: 24px;
  }
  .page-privacy .privacy-cards {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-privacy .privacy-contact {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-privacy .privacy-contact__item:first-child {
    grid-column: span 2;
  }
  .page-privacy .privacy-shield__row {
    grid-template-columns: 138px 1fr;
    align-items: center;
    gap: 16px;
  }
  .page-privacy .privacy-shield__row .status {
    justify-self: start;
  }
  .page-privacy .privacy-cta {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
  }
  .page-privacy .privacy-cta .btn {
    align-self: auto;
    flex: 0 0 auto;
  }
}

@media (min-width: 980px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 52px;
  }
  .page-privacy .privacy-body {
    grid-template-columns: var(--pp-index-w) minmax(0, 1fr);
    gap: 48px;
    padding: 60px 0 96px;
  }
  .page-privacy .privacy-index {
    position: sticky;
    top: 96px;
    align-self: start;
  }
  .page-privacy .privacy-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
  }
  .page-privacy .privacy-index__list li {
    flex: 0 0 auto;
  }
  .page-privacy .privacy-index__link {
    font-size: 13.5px;
    padding: 10px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__link {
    transition: none;
  }
  .page-privacy .privacy-section--faq .accordion__sign::after {
    transition: none;
  }
}
</main>