.page-privacy {
  --privacy-line: rgba(10, 25, 47, 0.12);
  --privacy-shadow: 0 18px 44px rgba(10, 25, 47, 0.08);
  background: var(--warmgray);
  scroll-behavior: smooth;
}

/* Hero 首屏 */
.privacy-hero {
  position: relative;
  background: var(--navy);
  color: var(--moonwhite);
  padding: clamp(20px, 4vw, 44px) 0 0;
  overflow: hidden;
}
.privacy-hero::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -120px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(57, 255, 20, 0.18), transparent 68%);
  pointer-events: none;
}
.privacy-hero__copy {
  position: relative;
  max-width: 880px;
  padding-bottom: clamp(22px, 4vw, 36px);
}
.privacy-hero h1 {
  color: var(--moonwhite);
  font-size: clamp(28px, 5vw, 48px);
  line-height: 1.18;
  font-style: italic;
  letter-spacing: -0.5px;
  margin: 0.5rem 0 1rem;
}
.privacy-hero__lead {
  color: rgba(248, 251, 255, 0.82);
  max-width: 76ch;
  line-height: 1.75;
  font-size: 1rem;
  margin: 0;
}
.privacy-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin: 26px 0 20px;
}
.privacy-hero__meta {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--data-green);
  margin: 0;
}
.privacy-hero__media {
  margin: 0 0 0;
}
.privacy-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* 正文主体 */
.privacy-main {
  padding: clamp(32px, 6vw, 72px) 0 clamp(28px, 5vw, 56px);
}
.privacy-layout {
  display: grid;
  gap: 28px;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}
.privacy-index {
  --privacy-index-accent: var(--neon);
  position: relative;
  background: var(--indigo);
  color: var(--moonwhite);
  border-radius: var(--radius-lg);
  padding: 22px;
  overflow: hidden;
}
.privacy-index::after {
  content: "";
  position: absolute;
  right: -34px;
  bottom: -34px;
  width: 120px;
  height: 120px;
  border: 14px solid rgba(57, 255, 20, 0.14);
  border-radius: 50%;
  pointer-events: none;
}
.privacy-index__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.privacy-index__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.18);
}
.privacy-index__head p {
  margin: 0;
  font-weight: 700;
  letter-spacing: 0.05em;
  font-size: 0.92rem;
}
.privacy-index__nav {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  position: relative;
  z-index: 1;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.privacy-index__nav::-webkit-scrollbar {
  display: none;
}
.privacy-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  color: var(--moonwhite);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.08);
  padding: 10px 14px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  font-size: 0.86rem;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.privacy-index__num {
  font-family: var(--font-mono);
  color: var(--neon);
  font-size: 0.74rem;
}
.privacy-index__link:hover,
.privacy-index__link:focus-visible {
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
  outline: none;
}
.privacy-index__contact {
  position: relative;
  z-index: 1;
  margin-top: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--neon);
  text-decoration: none;
  font-size: 0.86rem;
  padding: 8px 14px;
  border: 1px solid rgba(57, 255, 20, 0.4);
  border-radius: var(--radius-pill);
  transition: background 0.2s var(--ease);
}
.privacy-index__contact:hover {
  background: rgba(57, 255, 20, 0.1);
}

/* 内容与章节卡片 */
.privacy-content {
  display: grid;
  gap: 28px;
  min-width: 0;
}
.privacy-block {
  --block-accent: var(--indigo);
  position: relative;
  overflow: hidden;
  background: var(--moonwhite);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 4vw, 36px);
  box-shadow: var(--privacy-shadow);
  border-top: 4px solid var(--block-accent);
  scroll-margin-top: 20px;
}
.privacy-block::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 80px;
  height: 80px;
  border-radius: 0 0 0 80px;
  background: radial-gradient(circle at top right, var(--block-accent), transparent 70%);
  opacity: 0.14;
  pointer-events: none;
}
.privacy-block--usage {
  --block-accent: var(--teal);
}
.privacy-block--cookie {
  --block-accent: var(--wine);
}
.privacy-block--rights {
  --block-accent: var(--neon);
}
.privacy-block__tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--indigo);
  color: var(--moonwhite);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  font-weight: 700;
}
.privacy-block--usage .privacy-block__tag {
  background: var(--teal);
}
.privacy-block--cookie .privacy-block__tag {
  background: var(--wine);
}
.privacy-block--rights .privacy-block__tag {
  background: var(--neon);
  color: var(--navy);
}
.privacy-block h2 {
  font-size: clamp(24px, 3.4vw, 36px);
  font-style: italic;
  color: var(--navy);
  line-height: 1.24;
  margin: 4px 0 6px;
}
.privacy-block__rule {
  width: 72px;
  height: 4px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 77, 0, 0));
  margin: 14px 0 22px;
}
.privacy-block__intro {
  color: var(--ink);
  line-height: 1.8;
  font-size: 0.96rem;
  margin-bottom: 20px;
}
.privacy-block__note {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--warmgray);
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ink);
}
.privacy-block__note a {
  color: var(--navy);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-underline-offset: 3px;
}

/* 数据收集列表 */
.privacy-list {
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
  display: grid;
  gap: 18px;
}
.privacy-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 16px 18px;
  background: var(--warmgray);
  border-radius: var(--radius-md);
  align-items: start;
  border-left: 3px solid var(--block-accent);
}
.privacy-list__idx {
  font-family: var(--font-mono);
  color: var(--navy);
  background: var(--moonwhite);
  border-radius: var(--radius-pill);
  padding: 8px 0;
  text-align: center;
  font-size: 0.8rem;
  border: 1px solid var(--privacy-line);
}
.privacy-list h3 {
  font-size: 1.05rem;
  color: var(--navy);
  margin: 0 0 6px;
}
.privacy-list p {
  margin: 0;
  line-height: 1.75;
  font-size: 0.92rem;
  color: var(--ink);
  max-width: 72ch;
}

/* 提示卡与数据使用区块 */
.privacy-callout {
  margin-top: 24px;
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(91, 42, 134, 0.08), rgba(15, 91, 100, 0.06));
  border: 1px dashed var(--indigo);
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--ink);
}
.privacy-callout strong {
  display: block;
  color: var(--navy);
  margin-bottom: 4px;
}
.privacy-purpose {
  display: grid;
  gap: 14px;
  margin: 0 0 8px;
}
.privacy-purpose__item {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px;
  background: var(--warmgray);
  border-radius: var(--radius-md);
}
.privacy-purpose__ico {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: rgba(15, 91, 100, 0.12);
  color: var(--teal);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.privacy-purpose__item h3 {
  font-size: 1rem;
  color: var(--navy);
  margin: 0 0 6px;
}
.privacy-purpose__item p {
  margin: 0;
  line-height: 1.75;
  font-size: 0.92rem;
  color: var(--ink);
  max-width: 72ch;
}
.privacy-badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.privacy-badge {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(255, 77, 0, 0.1);
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 700;
}

/* Cookie 与存储区块 */
.privacy-storage {
  display: grid;
  gap: 12px;
}
.privacy-storage__item {
  padding: 16px 18px;
  background: var(--warmgray);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--wine);
}
.privacy-storage__key {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--wine);
  display: flex;
  align-items: center;
  gap: 8px;
}
.privacy-storage__key::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
  display: inline-block;
}
.privacy-storage__item h3 {
  font-size: 1rem;
  color: var(--navy);
  margin: 8px 0 4px;
}
.privacy-storage__item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink);
  max-width: 72ch;
}

/* 用户权利时间线列表 */
.privacy-rights-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  position: relative;
}
.privacy-rights-list::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(var(--neon), var(--teal));
  opacity: 0.35;
}
.privacy-rights-list li {
  position: relative;
  padding: 0 0 24px 36px;
}
.privacy-rights-list li:last-child {
  padding-bottom: 0;
}
.privacy-rights-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 4px rgba(57, 255, 20, 0.15);
}
.privacy-rights-list h3 {
  font-size: 1.02rem;
  color: var(--navy);
  margin: 0 0 6px;
}
.privacy-rights-list p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink);
  max-width: 78ch;
}
.privacy-rights-list a,
.privacy-footnote a {
  color: var(--navy);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-underline-offset: 3px;
}
.privacy-footnote {
  margin-top: 22px;
  padding: 16px 20px;
  background: rgba(6, 18, 31, 0.08);
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--ink);
}

/* 底部 CTA */
.privacy-bottom {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: var(--moonwhite);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 36px);
}
.privacy-bottom::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 140px;
  height: 140px;
  background: radial-gradient(circle, rgba(57, 255, 20, 0.25), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.privacy-bottom p {
  position: relative;
  z-index: 1;
  max-width: 62ch;
  line-height: 1.75;
  font-size: 0.95rem;
  color: rgba(248, 251, 255, 0.82);
  margin: 0;
}
.privacy-bottom__links {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

/* 返回顶部 */
.privacy-backtop {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--neon);
  color: var(--navy);
  border-radius: var(--radius-pill);
  box-shadow: 0 10px 24px rgba(10, 25, 47, 0.26);
  text-decoration: none;
  transition: transform 0.2s var(--ease);
}
.privacy-backtop:hover {
  transform: translateY(-4px);
}

/* 平板 / 桌面分栏 */
@media (min-width: 680px) {
  .privacy-hero__media img {
    border-radius: var(--radius-lg);
    margin-bottom: clamp(20px, 4vw, 36px);
  }
  .privacy-index__nav {
    flex-wrap: wrap;
    overflow-x: visible;
  }
}

@media (min-width: 940px) {
  .privacy-layout {
    grid-template-columns: minmax(0, 272px) minmax(0, 1fr);
    gap: 40px;
  }
  .privacy-index {
    position: sticky;
    top: 20px;
    max-height: calc(100vh - 40px);
    overflow: auto;
    scrollbar-width: none;
  }
  .privacy-index::-webkit-scrollbar {
    display: none;
  }
  .privacy-index__nav {
    flex-direction: column;
    gap: 4px;
    flex-wrap: nowrap;
  }
  .privacy-index__link {
    display: flex;
    align-items: baseline;
    background: transparent;
    border-radius: var(--radius-md);
    padding: 10px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    white-space: normal;
  }
  .privacy-index__link:hover,
  .privacy-index__link:focus-visible {
    background: rgba(57, 255, 20, 0.1);
  }
  .privacy-index__contact {
    margin-top: 22px;
  }
  .privacy-content {
    gap: 34px;
  }
  .privacy-bottom p {
    max-width: 68ch;
  }
}