.page-privacy {
  background:
    linear-gradient(180deg, rgba(15, 76, 92, 0.05) 0, transparent 240px),
    var(--dn-paper);
}

@media (prefers-reduced-motion: no-preference) {
  .page-privacy {
    scroll-behavior: smooth;
  }
}

.page-privacy__layout {
  padding-top: clamp(2.75rem, 7vw, 5.5rem);
  padding-bottom: clamp(4rem, 9vw, 7rem);
}

/* 面包屑 */
.page-privacy__crumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: #59666b;
  margin: 0 0 1.25rem;
}

.page-privacy__crumb a {
  color: var(--dn-teal);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s var(--dn-ease);
}

.page-privacy__crumb a:hover {
  color: var(--dn-wine);
}

.page-privacy__crumb span[aria-hidden="true"] {
  color: var(--dn-wine);
}

/* 首屏头部 */
.page-privacy__head-tag {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-privacy__head-version {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--dn-wine);
  border: 1px solid rgba(125, 46, 58, 0.4);
  background: rgba(125, 46, 58, 0.05);
  padding: 0.2rem 0.65rem;
  border-radius: 2px;
}

.page-privacy h1 {
  font-family: var(--dn-font-display);
  font-size: clamp(2.2rem, 6vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--dn-teal);
  margin: 0 0 1.25rem;
}

.page-privacy__lead {
  font-size: clamp(0.95rem, 1.6vw, 1.125rem);
  line-height: 1.9;
  color: #3a4347;
  max-width: 58ch;
}

.page-privacy__head-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.75rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(15, 76, 92, 0.18);
  font-size: 0.85rem;
  color: #59666b;
}

.page-privacy__head-meta a {
  color: var(--dn-wine);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 顶部抽象数据安全图 */
.page-privacy__hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 2.5rem 0 1rem;
  border: 1px solid rgba(15, 76, 92, 0.15);
  box-shadow: 8px 8px 0 0 rgba(125, 46, 58, 0.07);
}

/* 主体网格 */
.page-privacy__body {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
}

/* 目录 */
.page-privacy__toc {
  position: relative;
  background:
    linear-gradient(135deg, rgba(123, 201, 111, 0.08), rgba(74, 144, 217, 0.05)),
    var(--dn-cream);
  border: 1px solid rgba(75, 59, 96, 0.16);
  box-shadow: 4px 4px 0 0 rgba(15, 76, 92, 0.05);
  padding: 1.5rem 1.5rem 1.25rem;
}

.page-privacy__toc::before {
  content: "";
  display: block;
  height: 3px;
  margin-bottom: 1.25rem;
  background: linear-gradient(90deg, var(--dn-spring), var(--dn-summer), var(--dn-autumn), var(--dn-winter));
}

.page-privacy__toc-kicker {
  margin: 0 0 0.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--dn-wine);
}

.page-privacy__toc-title {
  font-family: var(--dn-font-display);
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--dn-teal);
  margin: 0 0 1rem;
}

.page-privacy__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy__toc-list li {
  border-top: 1px dashed rgba(75, 59, 96, 0.22);
}

.page-privacy__toc-list a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.25rem;
  color: #3a4347;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s var(--dn-ease), padding-left 0.3s var(--dn-ease);
}

.page-privacy__toc-list a:hover,
.page-privacy__toc-list a:focus-visible {
  color: var(--dn-wine);
  padding-left: 0.6rem;
  outline: none;
}

.page-privacy__toc-list a::after {
  content: "→";
  margin-left: auto;
  opacity: 0.3;
  transition: opacity 0.3s var(--dn-ease), transform 0.3s var(--dn-ease);
}

.page-privacy__toc-list a:hover::after {
  opacity: 1;
  transform: translateX(3px);
}

.page-privacy__toc-num {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 50%;
  background: rgba(125, 46, 58, 0.1);
  color: var(--dn-wine);
  font-family: var(--dn-font-display);
  font-size: 0.75rem;
  font-weight: 700;
}

/* 正文外层 */
.page-privacy__content {
  position: relative;
  padding: 0.5rem 0 0;
  max-width: 860px;
}

.page-privacy__content::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3rem;
  bottom: 3rem;
  width: 2px;
  background: linear-gradient(180deg, var(--dn-spring), var(--dn-summer), var(--dn-autumn), var(--dn-winter));
  opacity: 0.7;
}

/* 章节结构 */
.page-privacy__chapter {
  position: relative;
  padding: 2.5rem 0 2.75rem;
  border-bottom: 1px dashed rgba(15, 76, 92, 0.16);
}

.page-privacy__chapter:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-privacy__chapter-head {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.page-privacy__chapter-num {
  flex: none;
  font-family: var(--dn-font-display);
  font-size: clamp(2.25rem, 5vw, 3.25rem);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--dn-wine);
  margin-top: 0.1rem;
}

.page-privacy__chapter-num::after {
  content: "";
  display: block;
  width: 2.5rem;
  height: 3px;
  margin-top: 0.5rem;
  background: linear-gradient(90deg, var(--dn-wine), var(--dn-autumn));
}

.page-privacy__chapter-label {
  margin: 0.2rem 0 0.3rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--dn-indigo);
}

.page-privacy__chapter h2 {
  font-family: var(--dn-font-display);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 900;
  color: var(--dn-teal);
  line-height: 1.2;
  margin: 0;
}

.page-privacy__chapter-lead {
  color: #59666b;
  font-size: 0.95rem;
  line-height: 1.8;
  margin: 0 0 1.25rem;
}

.page-privacy__chapter p {
  line-height: 1.9;
  color: #3a4347;
  font-size: 0.95rem;
  margin: 0 0 1.1rem;
}

/* 小标题：靛紫下划线 */
.page-privacy__subhead {
  display: inline-block;
  font-family: var(--dn-font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--dn-indigo);
  border-bottom: 2px solid currentColor;
  padding-bottom: 0.3rem;
  margin: 1.75rem 0 0.75rem;
}

/* 用途列表 */
.page-privacy__list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.page-privacy__list li {
  position: relative;
  padding-left: 1.25rem;
  margin-bottom: 0.9rem;
  line-height: 1.8;
  color: #3a4347;
  font-size: 0.95rem;
}

.page-privacy__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 0.4rem;
  height: 0.4rem;
  background: var(--dn-summer);
  transform: rotate(45deg);
}

.page-privacy__list strong {
  color: var(--dn-teal);
  font-weight: 700;
}

/* 共享规则块 */
.page-privacy__rule-block {
  margin: 1rem 0;
  padding: 1.1rem 1.25rem;
  background: rgba(255, 255, 255, 0.6);
  border-left: 3px solid var(--dn-indigo);
  box-shadow: 2px 2px 0 0 rgba(15, 76, 92, 0.05);
}

.page-privacy__rule-title {
  font-family: var(--dn-font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--dn-indigo);
  margin: 0 0 0.4rem;
}

.page-privacy__rule-block p:last-child {
  margin-bottom: 0;
}

.page-privacy__sharing-closing {
  margin-top: 1rem;
  font-weight: 600;
  color: var(--dn-teal);
}

/* 权利列表 */
.page-privacy__rights-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}

.page-privacy__rights-list li {
  position: relative;
  padding: 0.85rem 1rem 0.85rem 1.5rem;
  border: 1px solid rgba(15, 76, 92, 0.12);
  border-left: 4px solid var(--dn-teal);
  background: rgba(255, 255, 255, 0.5);
  margin-bottom: 0.75rem;
  line-height: 1.7;
  color: #3a4347;
  font-size: 0.92rem;
}

.page-privacy__rights-list li span {
  display: block;
  font-family: var(--dn-font-display);
  font-weight: 700;
  color: var(--dn-teal);
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.page-privacy__rights-list li::after {
  content: "";
  position: absolute;
  left: 1.5rem;
  bottom: 0;
  width: 3rem;
  height: 2px;
  background: linear-gradient(90deg, var(--dn-spring), var(--dn-summer), var(--dn-autumn));
  opacity: 0.6;
}

/* 联系网格 */
.page-privacy__contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 0 0 1.5rem;
}

.page-privacy__contact-item {
  padding: 1.1rem 1.25rem;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(15, 76, 92, 0.12);
  border-bottom: 2px solid var(--dn-autumn);
}

.page-privacy__contact-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--dn-indigo);
  margin-bottom: 0.35rem;
}

.page-privacy__contact-value {
  font-family: var(--dn-font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--dn-teal);
  line-height: 1.4;
  margin: 0;
}

.page-privacy__contact-note {
  color: #59666b;
}

.page-privacy__contact-note a {
  color: var(--dn-wine);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 滚动显现（兼容 reduced-motion） */
@media (prefers-reduced-motion: no-preference) {
  .page-privacy [data-reveal] {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s var(--dn-ease), transform 0.6s var(--dn-ease);
  }

  .page-privacy [data-reveal="visible"] {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* 桌面端 */
@media (min-width: 920px) {
  .page-privacy__body {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: clamp(2.5rem, 6vw, 5rem);
  }

  .page-privacy__toc {
    position: sticky;
    top: 1.5rem;
    align-self: start;
  }

  .page-privacy__content {
    padding: 0.75rem 0 0;
  }

  .page-privacy__chapter {
    padding: 3rem 0 3.25rem;
  }

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