.page-privacy {
  --p-measure: 720px;
  --p-body: 36em;
  background: var(--night);
  color: var(--ink);
  padding-bottom: clamp(56px, 9vw, 104px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px) 0 clamp(28px, 5vw, 52px);
  background:
    radial-gradient(110% 80% at 88% -12%, rgba(56, 242, 208, .16), transparent 58%),
    radial-gradient(80% 70% at -6% 8%, rgba(255, 122, 47, .12), transparent 62%),
    linear-gradient(180deg, rgba(19, 74, 92, .42), rgba(6, 11, 26, 0) 72%);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(118deg, rgba(169, 182, 214, .07) 0 1px, transparent 1px 16px);
  pointer-events: none;
}

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

.page-privacy .privacy-hero .eyebrow {
  margin-top: clamp(18px, 3vw, 30px);
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-privacy .privacy-hero h1 {
  margin: 10px 0 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6.4vw, 44px);
  line-height: 1.18;
  letter-spacing: .01em;
}

.page-privacy .privacy-hero .lead {
  margin: 16px 0 0;
  max-width: var(--p-measure);
  font-size: 16px;
  line-height: 1.72;
  color: var(--ink-2);
}

.page-privacy .privacy-banner {
  margin: clamp(24px, 4vw, 40px) 0 0;
  max-width: 1120px;
  border: 1px solid var(--line);
  background: var(--board);
  clip-path: var(--cut);
  overflow: hidden;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

/* ---------- 正文窄栏 ---------- */
.page-privacy .privacy-body {
  max-width: calc(var(--p-measure) + var(--gutter) * 2);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---------- 章节导航 ---------- */
.page-privacy .privacy-toc {
  margin-top: clamp(22px, 4vw, 34px);
  padding: 16px 18px 18px;
  background: var(--board);
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

.page-privacy .toc-title {
  margin: 0;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--ink-3);
}

.page-privacy .toc-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
}

.page-privacy .toc-list a {
  display: inline-block;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--ink-2);
  background: var(--board-2);
  clip-path: var(--cut-tag);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .toc-list a:hover,
.page-privacy .toc-list a:focus-visible {
  background: var(--cyan);
  color: var(--night);
}

.page-privacy .toc-list a[aria-current="true"] {
  background: var(--cyan);
  color: var(--night);
  font-weight: 600;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  padding-top: clamp(38px, 6vw, 66px);
  scroll-margin-top: 96px;
}

.page-privacy .sec-index {
  display: inline-block;
  margin: 0;
  padding: 3px 12px 4px;
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  color: var(--night);
  background: var(--cyan);
  clip-path: var(--cut-tag);
}

.page-privacy .sec-index--alt {
  background: var(--orange);
}

.page-privacy .privacy-section h2,
.page-privacy .privacy-contact h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 4.4vw, 28px);
  line-height: 1.24;
  color: var(--ink);
}

.page-privacy .privacy-section > p {
  margin: 14px 0 0;
  max-width: var(--p-body);
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink-2);
}

/* ---------- 要点列表 ---------- */
.page-privacy .p-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 40em;
}

.page-privacy .p-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.68;
  color: var(--ink-2);
}

.page-privacy .p-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .58em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
  transform: rotate(45deg);
}

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

/* ---------- 用途卡 ---------- */
.page-privacy .use-grid {
  margin: 20px 0 0;
  display: grid;
  gap: 12px;
  max-width: 42em;
}

.page-privacy .use-item {
  padding: 14px 16px 16px;
  background: var(--board);
  border: 1px solid var(--line);
  clip-path: var(--cut-sm);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .use-item:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
}

.page-privacy .use-item h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--cyan);
}

.page-privacy .use-item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.66;
  color: var(--ink-2);
}

/* ---------- 保留期限 ---------- */
.page-privacy .keep-list {
  margin: 20px 0 0;
  display: grid;
  gap: 10px;
  max-width: 42em;
}

.page-privacy .keep-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 12px 16px 12px 18px;
  background: var(--board-2);
  border: 1px solid var(--line);
  box-shadow: inset 3px 0 0 var(--orange);
  clip-path: var(--cut-sm);
}

.page-privacy .keep-label {
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--ink-2);
}

.page-privacy .keep-num {
  margin-left: auto;
  font-family: var(--font-num);
  font-size: 16px;
  font-weight: 700;
  color: var(--orange);
  white-space: nowrap;
}

/* ---------- 联系与延伸 ---------- */
.page-privacy .privacy-contact {
  margin-top: clamp(44px, 6vw, 68px);
  padding: clamp(20px, 4vw, 30px);
  background: linear-gradient(150deg, rgba(19, 74, 92, .6), rgba(13, 21, 48, .95));
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

.page-privacy .privacy-contact > p {
  margin: 14px 0 0;
  max-width: var(--p-body);
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-2);
}

.page-privacy .privacy-contact .meta {
  font-size: 13.5px;
  color: var(--ink-3);
}

.page-privacy .next-links {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .next-links a {
  display: inline-block;
  padding: 8px 16px;
  font-size: 14px;
  color: var(--ink);
  background: var(--board-2);
  border: 1px solid var(--line);
  clip-path: var(--cut-tag);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

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

/* ---------- 桌面增强 ---------- */
@media (min-width: 700px) {
  .page-privacy .use-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-toc {
    padding: 18px 22px 20px;
  }

  .page-privacy .privacy-banner {
    margin-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .use-item,
  .page-privacy .toc-list a,
  .page-privacy .next-links a {
    transition: none;
  }

  .page-privacy .use-item:hover {
    transform: none;
  }
}