.page-privacy {
  --pv-cyan-deep: #0B6B67;
  --pv-amber-deep: #A85F12;
  --pv-card: #FFFFFF;
  --pv-doc: 40rem;
  position: relative;
  background-color: var(--mist);
  background-image:
    linear-gradient(rgba(199, 210, 220, .3) 1px, transparent 1px),
    linear-gradient(90deg, rgba(199, 210, 220, .3) 1px, transparent 1px);
  background-size: 56px 56px;
  color: var(--graphite);
  font-family: var(--font-body);
  padding-bottom: clamp(56px, 9vw, 120px);
  overflow-x: hidden;
}

.page-privacy .mono {
  font-family: var(--font-mono);
}

/* 面包屑 */
.page-privacy .breadcrumb {
  margin: 0;
  padding-top: clamp(20px, 4vw, 36px);
  font-size: 13px;
  color: #55677a;
}

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

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

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

.page-privacy .breadcrumb a:hover {
  text-decoration: underline;
}

/* 页面标题区 */
.page-privacy .privacy-head {
  padding: clamp(24px, 4.5vw, 48px) 0 clamp(22px, 4vw, 38px);
  border-bottom: 1px solid var(--wire);
}

.page-privacy .privacy-eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--ink);
  background: var(--amber-soft);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 100%, 10px 100%);
}

.page-privacy .page-title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(34px, 7vw, 60px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-privacy .privacy-lead {
  max-width: 38rem;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: #35455a;
}

/* 开篇横幅 */
.page-privacy .privacy-visual {
  margin-top: clamp(22px, 4vw, 40px);
}

.page-privacy .privacy-banner {
  margin: 0;
  background: var(--ink);
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 目录 + 正文 布局 */
.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(24px, 5vw, 48px);
  align-items: start;
  padding-top: clamp(28px, 5vw, 60px);
}

.page-privacy .privacy-toc {
  padding: 16px 16px 18px;
  background: linear-gradient(155deg, var(--ink-3), var(--ink));
  color: var(--mist);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-privacy .toc-title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--cyan-soft);
}

.page-privacy .toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .toc-list li {
  flex: 0 0 auto;
}

.page-privacy .toc-list .dir-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid var(--hair-strong);
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-privacy .toc-list .dir-link .mono {
  font-size: 12px;
  color: var(--cyan-soft);
}

.page-privacy .toc-list .dir-link:hover {
  color: var(--cyan-soft);
  border-color: var(--cyan);
}

/* 条款正文 */
.page-privacy .clause {
  display: grid;
  gap: 12px;
  padding: clamp(24px, 4vw, 40px) 0;
  border-top: 1px solid var(--wire);
  scroll-margin-top: 96px;
}

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

.page-privacy .clause-index {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--pv-cyan-deep);
}

.page-privacy .clause-title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.4vw, 26px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-privacy .prose {
  max-width: var(--pv-doc);
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.78;
  color: #2c3a48;
}

.page-privacy .fact-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .fact-list li {
  position: relative;
  max-width: var(--pv-doc);
  padding-left: 18px;
  font-size: 16px;
  line-height: 1.78;
  color: #2c3a48;
}

.page-privacy .fact-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 9px;
  height: 2px;
  background: var(--amber);
  transform: rotate(-12deg);
}

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

.page-privacy .key::after {
  content: "｜";
  color: var(--wire);
  font-weight: 400;
}

/* 折叠补充说明 */
.page-privacy .fold {
  max-width: var(--pv-doc);
  margin-top: 14px;
  padding: 10px 14px;
  background: rgba(255, 201, 138, .16);
  border-left: 2px solid var(--amber-soft);
}

.page-privacy .fold summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--pv-amber-deep);
  list-style: none;
}

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

.page-privacy .fold summary::before {
  content: "+";
  display: inline-block;
  width: 14px;
  font-family: var(--font-mono);
}

.page-privacy .fold[open] summary::before {
  content: "−";
}

.page-privacy .fold p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: #374553;
}

/* 联系条 */
.page-privacy .contact-strip {
  display: grid;
  gap: 6px;
  max-width: var(--pv-doc);
  margin-top: 18px;
  padding: 18px 20px;
  background: var(--ink-2);
  color: var(--mist);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-privacy .contact-strip .contact-key {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan-soft);
}

.page-privacy .contact-strip a {
  font-size: 17px;
  color: var(--cyan);
  text-decoration: none;
  word-break: break-all;
}

.page-privacy .contact-strip a:hover {
  text-decoration: underline;
}

.page-privacy .contact-strip .contact-note {
  font-size: 13px;
  color: var(--muted);
}

/* 页面收尾 */
.page-privacy .privacy-close {
  margin-top: clamp(40px, 7vw, 88px);
}

.page-privacy .privacy-next .section-title {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-size: clamp(20px, 3.2vw, 24px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}

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

.page-privacy .next-card {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: var(--pv-card);
  border: 1px solid var(--wire);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .next-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-privacy .next-tag {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--pv-cyan-deep);
}

.page-privacy .next-name {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink);
}

.page-privacy .next-desc {
  font-size: 14px;
  line-height: 1.7;
  color: #45566a;
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-privacy .clause {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 24px;
  }

  .page-privacy .next-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 桌面：左侧吸顶目录 */
@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 216px) minmax(0, 1fr);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 96px;
    padding: 20px 18px 22px;
    clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  }

  .page-privacy .toc-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .toc-list li {
    flex: 0 0 auto;
  }

  .page-privacy .toc-list .dir-link {
    border: 0;
    border-left: 2px solid rgba(199, 210, 220, .22);
    padding: 9px 12px;
  }

  .page-privacy .toc-list .dir-link[aria-current="true"] {
    border-left-color: var(--cyan);
    background: rgba(47, 216, 208, .12);
    color: var(--cyan-soft);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .next-card,
  .page-privacy .toc-list .dir-link {
    transition: none;
  }

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