/* ===== 数据与隐私 /data-privacy/ ===== */
.page-privacy {
  display: block;
  position: relative;
  background: var(--bg);
  color: var(--ink);
}

/* ---------- 页首 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 44px) 0 0;
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(760px 300px at 84% -10%, rgba(43, 231, 210, .16), transparent 64%),
    radial-gradient(560px 260px at 4% 0%, rgba(255, 107, 44, .10), transparent 68%),
    linear-gradient(180deg, rgba(14, 30, 60, .95) 0%, rgba(6, 13, 31, .62) 74%, var(--bg) 100%);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(28, 53, 96, .46) 1px, transparent 1px),
    linear-gradient(90deg, rgba(28, 53, 96, .46) 1px, transparent 1px);
  background-size: 84px 84px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .85), transparent 78%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
}

.page-privacy .privacy-hero__kicker {
  margin: clamp(18px, 2.4vw, 28px) 0 14px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-hero__title {
  margin: 0 0 16px;
  font-size: clamp(44px, 8vw, 92px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-privacy .privacy-hero__lead {
  margin: 0;
  max-width: 690px;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .privacy-hero__figure {
  position: relative;
  z-index: 1;
  margin-top: clamp(26px, 4vw, 46px);
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--grid);
  box-shadow: 0 24px 60px rgba(0, 0, 0, .45);
}

.page-privacy .privacy-hero__figure::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 72px;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

/* ---------- 主体骨架 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 30px);
  padding: clamp(32px, 5vw, 64px) 0 clamp(36px, 5vw, 60px);
}

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

@media (min-width: 1000px) {
  .page-privacy .privacy-body {
    grid-template-columns: 176px minmax(0, 760px);
    justify-content: center;
    gap: clamp(44px, 5vw, 80px);
  }
}

/* ---------- 条款目录 ---------- */
.page-privacy .clause-index {
  border-bottom: 1px solid var(--line-soft);
  padding-bottom: 16px;
}

.page-privacy .clause-index__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--muted);
}

.page-privacy .clause-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .clause-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 10px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-privacy .clause-index__link .mono {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan-deep);
}

.page-privacy .clause-index__link:hover,
.page-privacy .clause-index__link:focus-visible {
  color: var(--ink);
  border-color: var(--line-cyan);
  background: rgba(43, 231, 210, .07);
}

.page-privacy .clause-index__link:hover .mono,
.page-privacy .clause-index__link:focus-visible .mono {
  color: var(--cyan);
}

@media (min-width: 1000px) {
  .page-privacy .clause-index {
    position: sticky;
    top: 96px;
    align-self: start;
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 0 0 0 14px;
  }

  .page-privacy .clause-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 1px;
  }

  .page-privacy .clause-index__link {
    border: 0;
    border-left: 2px solid transparent;
    padding: 7px 0 7px 10px;
    gap: 8px;
  }

  .page-privacy .clause-index__link:hover,
  .page-privacy .clause-index__link:focus-visible {
    background: rgba(43, 231, 210, .06);
    border-left-color: var(--line-cyan);
  }
}

/* ---------- 条款 ---------- */
.page-privacy .clause {
  padding: clamp(26px, 3.6vw, 42px) 0;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 110px;
}

.page-privacy .clause:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .clause:target {
  background: linear-gradient(90deg, rgba(43, 231, 210, .08), transparent 58%);
}

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

.page-privacy .clause__num {
  flex: none;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-bottom: 3px;
  border-bottom: 1px solid var(--line-cyan);
}

.page-privacy .clause__title {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 27px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--ink);
}

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

.page-privacy .clause__list {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .clause__list > li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-privacy .clause__list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .li-key {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--cyan);
}

/* ---------- 字段清单 ---------- */
.page-privacy .field-list {
  margin: 20px 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .field-list__row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .field-list__row dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--cyan);
}

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

@media (min-width: 640px) {
  .page-privacy .field-list__row {
    grid-template-columns: 138px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

/* ---------- 旁注 ---------- */
.page-privacy .callout {
  margin: 20px 0 0;
  padding: 15px 18px;
  border-left: 2px solid var(--cyan);
  background: rgba(43, 231, 210, .07);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-privacy .callout a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-privacy .callout--paper {
  border-left: 3px solid var(--orange);
  background: var(--paper);
  color: var(--bg);
  box-shadow: 0 12px 30px rgba(0, 0, 0, .35);
}

/* ---------- 折叠 ---------- */
.page-privacy .clause__details {
  margin-top: 22px;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .clause__details summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 0;
  font-size: 14px;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

.page-privacy .clause__details summary::-webkit-details-marker {
  display: none;
}

.page-privacy .clause__details summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--cyan-deep);
}

.page-privacy .clause__details[open] summary::before {
  content: "\2013";
}

.page-privacy .clause__details summary:focus-visible {
  outline: 1px solid var(--line-cyan);
  outline-offset: 3px;
}

.page-privacy .clause__details-body {
  padding: 0 0 18px;
}

.page-privacy .clause__details-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 页尾引导 ---------- */
.page-privacy .privacy-next {
  padding: clamp(28px, 4vw, 46px) 0 clamp(48px, 7vw, 88px);
  border-top: 1px solid var(--grid);
}

@media (min-width: 1000px) {
  .page-privacy .privacy-next {
    max-width: 1016px;
    margin-left: auto;
    margin-right: auto;
  }
}

.page-privacy .privacy-next__title {
  margin: 0 0 10px;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

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

.page-privacy .next-grid {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

@media (min-width: 620px) {
  .page-privacy .next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-privacy .next-card {
  display: block;
  padding: 16px 18px;
  text-decoration: none;
  background: var(--panel-soft);
  border: 1px solid var(--line-soft);
  transition: border-color .22s var(--ease), background .22s var(--ease), transform .22s var(--ease);
}

.page-privacy .next-card__k {
  display: block;
  margin-bottom: 8px;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-privacy .next-card__t {
  display: block;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink);
}

.page-privacy .next-card:hover,
.page-privacy .next-card:focus-visible {
  border-color: var(--line-cyan);
  background: var(--panel);
  transform: translateY(-2px);
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .clause-index__link,
  .page-privacy .next-card {
    transition: none;
  }

  .page-privacy .next-card:hover,
  .page-privacy .next-card:focus-visible {
    transform: none;
  }
}