.page-privacy {
  --pp-rail: 88px;
  --pp-gap: 40px;
}

/* 页首：抽象网格 + 数据线纹理 */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--shade);
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-privacy .hero-media img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center;
  opacity: 0.32;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    repeating-linear-gradient(to right, var(--line-hair) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(to bottom, var(--line-hair) 0 1px, transparent 1px 120px);
  opacity: 0.55;
  pointer-events: none;
}

.page-privacy .hero-inner {
  padding-top: clamp(56px, 9vw, 104px);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-privacy .hero-inner .breadcrumbs {
  margin-bottom: 18px;
}

.page-privacy .hero-inner .eyebrow {
  margin: 0 0 10px;
}

.page-privacy .hero-inner h1 {
  margin: 0;
  font-size: clamp(30px, 5.6vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--ivory);
  max-width: 20ch;
}

.page-privacy .hero-inner .lede {
  margin: 18px 0 0;
  max-width: 54ch;
}

.page-privacy .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin-top: 26px;
  padding-top: 14px;
  border-top: 1px solid var(--line-hair);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--mute);
}

.page-privacy .hero-meta span:first-child {
  color: var(--cyan-soft);
}

/* 条款目录 */
.page-privacy .privacy-toc {
  background: var(--turf-deep);
  border-bottom: 1px solid var(--line-hair);
}

.page-privacy .toc-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.page-privacy .toc-link {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--mute);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .toc-link .toc-num {
  color: var(--cyan-soft);
  margin-right: 6px;
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* 正文骨架 */
.page-privacy .privacy-body {
  padding-top: 8px;
  padding-bottom: clamp(56px, 9vw, 112px);
}

.page-privacy .clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 30px 0;
  border-top: 1px solid var(--line-hair);
  scroll-margin-top: calc(var(--rail-bar) + 20px);
  transition: background 0.24s var(--ease);
}

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

.page-privacy .clause-num {
  font-family: var(--font-mono);
  font-size: var(--fs-28);
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(46, 92, 78, 0.85);
  transition: color 0.24s var(--ease);
}

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

.page-privacy .clause-title {
  margin: 0 0 12px;
  font-size: var(--fs-20);
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--ivory);
}

.page-privacy .clause-main p {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ivory);
}

.page-privacy .clause-main p:last-child {
  margin-bottom: 0;
}

.page-privacy .clause-main a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: border-color 0.16s var(--ease);
}

.page-privacy .clause-main a:hover {
  border-bottom-color: var(--cyan);
}

.page-privacy .clause-note {
  padding: 14px 16px;
  background: var(--turf-deep);
  border-left: 3px solid var(--line);
  color: var(--mute) !important;
  font-size: var(--fs-14) !important;
  line-height: 1.8 !important;
}

.page-privacy .clause:target {
  background: linear-gradient(90deg, var(--cyan-wash), transparent 62%);
}

.page-privacy .clause:target .clause-num {
  color: var(--cyan);
}

/* 信息类别 */
.page-privacy .info-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-hair);
  border: 1px solid var(--line-hair);
}

.page-privacy .info-list li {
  background: var(--turf);
  padding: 16px;
}

.page-privacy .info-list p {
  margin: 6px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mute);
  max-width: 58ch;
}

.page-privacy .info-key {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.08em;
  color: var(--cyan);
  border-left: 3px solid var(--cyan);
  padding-left: 8px;
}

/* 用途 */
.page-privacy .use-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-privacy .use-list li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}

.page-privacy .use-index {
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--cyan-soft);
  padding-top: 2px;
}

.page-privacy .use-title {
  margin: 0 0 6px;
  font-size: var(--fs-16);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--ivory);
}

.page-privacy .use-list p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mute);
  max-width: 58ch;
}

/* 保存期限 */
.page-privacy .retention {
  list-style: none;
  margin: 6px 0 18px;
  padding: 0;
  border-top: 1px solid var(--line-hair);
}

.page-privacy .retention li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-hair);
}

.page-privacy .retention .term {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: -0.01em;
  color: var(--cyan-soft);
}

.page-privacy .retention .term-desc {
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mute);
}

/* 第三方 */
.page-privacy .party-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-hair);
}

.page-privacy .party-list li {
  background: var(--ink);
  padding: 16px;
  border-left: 3px solid var(--line);
}

.page-privacy .party-list p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mute);
  max-width: 58ch;
}

.page-privacy .party-tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.06em;
  color: var(--amber);
  border: 1px solid var(--amber);
}

/* 操作入口折叠 */
.page-privacy .op-stack {
  margin: 6px 0 20px;
}

.page-privacy .op-block {
  background: var(--turf-deep);
  border: 1px solid var(--line-soft);
  border-top-width: 0;
}

.page-privacy .op-block:first-child {
  border-top-width: 1px;
}

.page-privacy .op-block summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-16);
  color: var(--ivory);
  transition: color 0.16s var(--ease), background 0.16s var(--ease);
}

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

.page-privacy .op-block summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  color: var(--cyan);
  flex: none;
}

.page-privacy .op-block[open] summary::after {
  content: "－";
}

.page-privacy .op-block summary:hover,
.page-privacy .op-block summary:focus-visible {
  color: var(--cyan);
  background: var(--cyan-wash);
}

.page-privacy .op-body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line-hair);
  margin-top: 0;
  padding-top: 12px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--mute);
  max-width: 58ch;
}

/* 联系入口 */
.page-privacy .contact-panel {
  margin-top: 8px;
  padding: 18px;
  background: var(--turf);
  border: 1px solid var(--line);
}

.page-privacy .contact-panel p {
  margin: 0 0 14px;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--ivory);
  max-width: 58ch;
}

.page-privacy .clause-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-privacy .clause-actions .copy-btn {
  border: 1px solid var(--cyan);
  color: var(--cyan);
  background: transparent;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.02em;
}

.page-privacy .clause-actions .copy-btn[data-copied="true"] {
  border-color: var(--cyan-soft);
  color: var(--ink);
  background: var(--cyan-soft);
}

/* 桌面：左侧纵向编号轨道 */
@media (min-width: 768px) {
  .page-privacy .clause {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: var(--pp-gap);
    padding: 48px 0;
    scroll-margin-top: 28px;
  }

  .page-privacy .clause-num {
    position: sticky;
    top: 32px;
    font-size: var(--fs-72);
    color: rgba(46, 92, 78, 0.7);
  }

  .page-privacy .clause-title {
    font-size: var(--fs-28);
  }

  .page-privacy .retention li {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
    padding: 15px 0;
  }
}

@media (min-width: 1100px) {
  .page-privacy {
    --pp-rail: 112px;
  }

  .page-privacy .clause-main {
    padding-right: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .clause,
  .page-privacy .clause-num,
  .page-privacy .toc-link,
  .page-privacy .op-block summary {
    transition: none;
  }
}