.page-privacy {
  --privacy-measure: 68ch;
  --privacy-rail-w: 232px;
  display: block;
  background: var(--ink-900);
  color: var(--text);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 100% at 8% 0%, rgba(0, 229, 255, 0.16), transparent 62%),
    radial-gradient(95% 90% at 94% 14%, rgba(255, 77, 26, 0.18), transparent 58%),
    var(--ink-900);
}

.page-privacy .privacy-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 16, 32, 0.3), rgba(11, 16, 32, 0.94));
}

.page-privacy .privacy-hero__inner {
  padding-block: clamp(20px, 3.5vw, 34px) clamp(30px, 5vw, 56px);
}

.page-privacy .breadcrumb {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

.page-privacy .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-privacy .breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
}

.page-privacy .breadcrumb a:hover {
  color: var(--arc);
}

.page-privacy .privacy-hero__kicker {
  display: inline-flex;
  align-items: center;
  margin: clamp(14px, 2.5vw, 22px) 0 12px;
  padding: 7px 14px;
  border: 1px solid rgba(255, 77, 26, 0.45);
  border-radius: var(--radius-pill);
  background: rgba(255, 77, 26, 0.1);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--ember);
}

.page-privacy h1 {
  margin: 0;
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-stretch: condensed;
  font-size: clamp(34px, 7.2vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-privacy .privacy-hero__lede {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.72;
  color: var(--text-dim);
}

.page-privacy .privacy-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-hero__jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(20, 27, 51, 0.72);
  color: var(--text-dim);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-privacy .privacy-hero__jump a:hover {
  border-color: var(--signal);
  color: var(--text);
  transform: translateY(-2px);
}

.page-privacy .privacy-hero__jump span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--signal);
}

/* ---------- 骨架 ---------- */
.page-privacy .privacy-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 26px);
  padding-block: clamp(26px, 4vw, 48px);
}

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

/* ---------- 索引栏 ---------- */
.page-privacy .privacy-rail {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(20, 27, 51, 0.62);
  padding: 14px;
}

.page-privacy .privacy-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-privacy .privacy-rail__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
}

.page-privacy .privacy-rail__list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(31, 42, 74, 0.5);
  color: var(--text-dim);
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-privacy .privacy-rail__list a:hover {
  color: var(--text);
  border-color: var(--arc);
}

.page-privacy .privacy-rail__list a[aria-current="true"] {
  color: var(--text);
  background: rgba(255, 77, 26, 0.14);
  border-color: rgba(255, 77, 26, 0.55);
  box-shadow: inset 3px 0 0 var(--signal);
}

.page-privacy .privacy-rail__note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--legacy);
}

/* ---------- 条目分组 ---------- */
.page-privacy .rule-group {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: linear-gradient(180deg, var(--ink-800), rgba(20, 27, 51, 0.7));
  padding: clamp(18px, 3vw, 30px);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.page-privacy .rule-group + .rule-group {
  margin-top: 14px;
}

.page-privacy .rule-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 12px;
  margin-bottom: 14px;
}

.page-privacy .rule-group__num {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.6vw, 24px);
  line-height: 1;
  color: var(--signal);
}

.page-privacy .rule-group__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.page-privacy .rule-group__lead {
  margin: 0 0 14px;
  max-width: var(--privacy-measure);
  color: var(--text-dim);
  line-height: 1.7;
}

.page-privacy .rule-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .rule-list li {
  position: relative;
  padding-left: 22px;
  max-width: var(--privacy-measure);
  color: var(--text-dim);
  font-size: 15px;
  line-height: 1.66;
}

.page-privacy .rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--arc);
}

.page-privacy .rule-list strong {
  color: var(--text);
  font-weight: 600;
}

/* ---------- 三类信息 ---------- */
.page-privacy .privacy-cats {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.page-privacy .privacy-cats__item {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: rgba(31, 42, 74, 0.38);
}

.page-privacy .privacy-cats__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--arc);
}

.page-privacy .privacy-cats__item .rule-list li {
  font-size: 14px;
}

/* ---------- 打断带 ---------- */
.page-privacy .privacy-band {
  margin: 18px 0;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(18px, 3vw, 28px);
  background:
    linear-gradient(105deg, rgba(0, 229, 255, 0.14), rgba(255, 77, 26, 0.16) 62%, rgba(255, 179, 0, 0.14));
}

.page-privacy .privacy-band__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text);
}

.page-privacy .privacy-band__title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.35;
}

.page-privacy .privacy-band__stats {
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-band__stat {
  display: grid;
  gap: 4px;
}

.page-privacy .privacy-band__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1;
  color: var(--text);
}

.page-privacy .privacy-band__caption {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-dim);
}

/* ---------- 保存期限 ---------- */
.page-privacy .privacy-meters {
  display: grid;
  gap: 16px;
  margin: 4px 0 22px;
}

.page-privacy .privacy-meter__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-dim);
}

.page-privacy .privacy-meter__val {
  font-family: var(--font-mono);
  color: var(--gold);
  white-space: nowrap;
}

/* ---------- 展开问答 ---------- */
.page-privacy .privacy-faq {
  margin-top: 18px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-faq details {
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-faq summary {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 6px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-faq summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--signal);
}

.page-privacy .privacy-faq details[open] summary::before {
  content: "–";
}

.page-privacy .privacy-faq p {
  margin: 0 0 14px;
  padding-left: 24px;
  max-width: var(--privacy-measure);
  color: var(--text-dim);
  line-height: 1.66;
}

/* ---------- 联系 ---------- */
.page-privacy .privacy-contact {
  display: grid;
  gap: 12px;
  margin-top: 6px;
}

.page-privacy .privacy-contact__card {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  background: rgba(31, 42, 74, 0.4);
}

.page-privacy .privacy-contact__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-privacy .privacy-contact__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--arc);
  word-break: break-word;
}

.page-privacy .privacy-contact__value--text {
  font-family: var(--font-body);
  color: var(--text);
}

/* ---------- 更新记录 ---------- */
.page-privacy .privacy-log {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-log li {
  display: grid;
  gap: 3px;
  padding: 12px 0 12px 16px;
  border-left: 2px solid var(--line);
}

.page-privacy .privacy-log li:first-child {
  border-left-color: var(--gold);
}

.page-privacy .privacy-log__when {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-privacy .privacy-log li:first-child .privacy-log__when {
  color: var(--gold);
}

.page-privacy .privacy-log__what {
  max-width: var(--privacy-measure);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ---------- 延伸入口 ---------- */
.page-privacy .privacy-links {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.page-privacy .privacy-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 48px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-privacy .privacy-links a:hover {
  border-color: var(--arc);
  background: rgba(0, 229, 255, 0.08);
}

.page-privacy .privacy-links span {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--arc);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-band__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 700px) {
  .page-privacy .privacy-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-privacy .privacy-cats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-frame {
    grid-template-columns: minmax(0, 1fr) var(--privacy-rail-w);
    align-items: start;
    gap: clamp(28px, 3.4vw, 52px);
  }

  .page-privacy .privacy-rail {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }

  .page-privacy .privacy-body {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .privacy-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-privacy .privacy-rail__list a {
    border-color: transparent;
    background: transparent;
  }

  .page-privacy .privacy-rail__list a:hover {
    background: rgba(31, 42, 74, 0.6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-hero__jump a,
  .page-privacy .privacy-links a,
  .page-privacy .privacy-rail__list a {
    transition: none;
  }

  .page-privacy .privacy-hero__jump a:hover {
    transform: none;
  }
}