.page-privacy {
  --privacy-gutter: clamp(18px, 4vw, 40px);
  position: relative;
  overflow-x: clip;
}

/* 顶部阅读进度线 */
.page-privacy .privacy-progress {
  position: sticky;
  top: 0;
  z-index: 5;
  height: 3px;
  background: rgba(43, 61, 70, 0.45);
}
.page-privacy .privacy-progress__bar {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--lime) 0%, var(--lime-dim) 62%, var(--orange) 100%);
  transform: scaleX(var(--progress, 0));
  transform-origin: 0 50%;
  transition: transform 0.14s linear;
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(22px, 4vw, 40px) 0 clamp(38px, 6vw, 76px);
  background:
    radial-gradient(880px 460px at 82% 8%, rgba(182, 255, 63, 0.11), transparent 68%),
    radial-gradient(620px 380px at 6% 92%, rgba(255, 138, 43, 0.08), transparent 70%),
    var(--bg);
}
.page-privacy .privacy-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
  margin-top: clamp(18px, 3vw, 32px);
}
.page-privacy .privacy-hero__copy h1 {
  font-size: clamp(1.9rem, 5.4vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 900;
  margin: 14px 0 18px;
  max-width: 20ch;
}
.page-privacy .privacy-hero__copy .lede {
  max-width: 54ch;
  color: var(--muted);
}
.page-privacy .privacy-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 26px 0 0;
}
.page-privacy .privacy-hero__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-privacy .privacy-hero__facts li {
  position: relative;
  padding-left: 22px;
  font-size: 0.94rem;
  color: var(--muted);
}
.page-privacy .privacy-hero__facts li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 10px;
  height: 2px;
  background: var(--lime);
}
.page-privacy .privacy-hero__facts .num {
  color: var(--num);
  font-weight: 700;
  margin-right: 4px;
}
.page-privacy .privacy-hero__media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 28px 60px -34px rgba(0, 0, 0, 0.85);
  justify-self: stretch;
}
.page-privacy .privacy-hero__media .media__caption {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

/* 正文长条区域 */
.page-privacy .privacy-body {
  padding: clamp(40px, 7vw, 88px) 0 clamp(56px, 9vw, 110px);
}
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 48px);
}

/* 索引 */
.page-privacy .privacy-index__title {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lime);
  margin: 0 0 12px;
}
.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-privacy .privacy-index__list li {
  flex: 0 0 auto;
}
.page-privacy .privacy-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(23, 36, 44, 0.5);
  color: var(--muted);
  font-size: 0.88rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.page-privacy .privacy-index__no {
  color: var(--lime);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}
.page-privacy .privacy-index__list a:hover,
.page-privacy .privacy-index__list a:focus-visible {
  color: var(--white);
  border-color: var(--lime-dim);
  background: rgba(182, 255, 63, 0.09);
}
.page-privacy .privacy-index__meta {
  margin: 14px 0 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--muted);
  font-family: var(--font-mono);
}

/* 条款正文 */
.page-privacy .privacy-article {
  max-width: 740px;
  font-size: 1.0625rem;
  color: var(--muted);
}
.page-privacy .privacy-clause {
  padding: clamp(22px, 3.4vw, 34px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 84px;
}
.page-privacy .privacy-clause:first-of-type {
  border-top: 1px solid var(--line);
  padding-top: clamp(18px, 3vw, 28px);
}
.page-privacy .privacy-clause:target {
  border-top-color: var(--lime);
  animation: privacy-target-flash 1.1s var(--ease);
}
@keyframes privacy-target-flash {
  0% { background: rgba(182, 255, 63, 0.12); }
  100% { background: transparent; }
}
.page-privacy .privacy-clause__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
  padding-left: 16px;
  border-left: 3px solid var(--lime);
  margin-bottom: 16px;
}
.page-privacy .privacy-clause__num {
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 700;
  color: var(--lime);
  line-height: 1;
}
.page-privacy .privacy-clause__title {
  margin: 0;
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-privacy .privacy-article p {
  margin: 0 0 16px;
  line-height: 1.85;
}
.page-privacy .privacy-article a {
  color: var(--lime);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.page-privacy .privacy-article a:hover {
  color: var(--orange-soft);
}

/* 信息分类清单 */
.page-privacy .privacy-spec {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}
.page-privacy .privacy-spec li {
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--line);
  line-height: 1.8;
  transition: border-color 0.24s var(--ease);
}
.page-privacy .privacy-spec li:hover {
  border-left-color: var(--lime);
}
.page-privacy .privacy-spec__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--lime);
  margin-bottom: 4px;
}

/* 使用目的 */
.page-privacy .privacy-purpose {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  counter-reset: purpose;
  display: grid;
  gap: 12px;
}
.page-privacy .privacy-purpose li {
  position: relative;
  padding-left: 40px;
  line-height: 1.8;
  counter-increment: purpose;
}
.page-privacy .privacy-purpose li::before {
  content: counter(purpose, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.15em;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--orange);
  border-bottom: 1px solid rgba(255, 138, 43, 0.45);
  padding-bottom: 2px;
}
.page-privacy .privacy-purpose strong {
  color: var(--white);
  font-weight: 700;
}

.page-privacy .privacy-note {
  margin-top: 20px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--glass);
  backdrop-filter: blur(8px);
}
.page-privacy .privacy-note p {
  margin: 0;
  color: var(--white);
  font-size: 0.98rem;
  line-height: 1.8;
}

/* 折叠清单 */
.page-privacy .privacy-fold {
  margin: 18px 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(23, 36, 44, 0.45);
  padding: 2px 18px;
}
.page-privacy .privacy-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 0;
  cursor: pointer;
  font-weight: 700;
  color: var(--white);
  list-style: none;
}
.page-privacy .privacy-fold summary::-webkit-details-marker {
  display: none;
}
.page-privacy .privacy-fold summary::after {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--lime);
  font-size: 1rem;
}
.page-privacy .privacy-fold[open] summary::after {
  content: "－";
}
.page-privacy .privacy-fold__list {
  list-style: none;
  margin: 0;
  padding: 0 0 16px;
  display: grid;
  gap: 12px;
}
.page-privacy .privacy-fold__list li {
  padding-left: 16px;
  border-left: 2px solid var(--lime-dim);
  line-height: 1.8;
  font-size: 0.96rem;
}
.page-privacy .privacy-fold__list strong {
  color: var(--white);
}

/* 用户权利 */
.page-privacy .privacy-rights {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: rights;
}
.page-privacy .privacy-rights li {
  position: relative;
  padding-left: 42px;
  line-height: 1.8;
  counter-increment: rights;
}
.page-privacy .privacy-rights li::before {
  content: "0" counter(rights);
  position: absolute;
  left: 0;
  top: 0.16em;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--lime);
  letter-spacing: 0.04em;
}
.page-privacy .privacy-rights strong {
  color: var(--white);
}

/* 联系信息 */
.page-privacy .privacy-contact {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin: 0 0 20px;
}
.page-privacy .privacy-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding: 14px 18px;
  background: var(--cool);
}
.page-privacy .privacy-contact__label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  min-width: 74px;
}
.page-privacy .privacy-contact__value {
  color: var(--num);
  font-size: 0.98rem;
  word-break: break-word;
}

/* 返回顶部 */
.page-privacy .privacy-top {
  position: fixed;
  right: clamp(14px, 3vw, 26px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 6;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: rgba(13, 32, 25, 0.88);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 1.1rem;
  text-decoration: none;
  backdrop-filter: blur(6px);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease), color 0.22s var(--ease);
}
.page-privacy .privacy-top:hover {
  transform: translateY(-3px);
  border-color: var(--lime);
  color: var(--orange-soft);
}

/* 平板与桌面 */
@media (min-width: 860px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: 1.12fr 0.88fr;
  }
  .page-privacy .privacy-hero__media {
    justify-self: end;
    max-width: 460px;
    width: 100%;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: clamp(34px, 4vw, 68px);
    align-items: start;
  }
  .page-privacy .privacy-index {
    position: sticky;
    top: 84px;
    padding-right: 6px;
  }
  .page-privacy .privacy-index__list {
    flex-direction: column;
    overflow: visible;
    gap: 2px;
    padding-bottom: 0;
  }
  .page-privacy .privacy-index__list a {
    width: 100%;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: transparent;
    padding: 9px 12px;
    white-space: normal;
    transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
  }
  .page-privacy .privacy-index__list a:hover,
  .page-privacy .privacy-index__list a:focus-visible {
    border-left-color: var(--lime);
    background: rgba(182, 255, 63, 0.07);
    color: var(--white);
  }
  .page-privacy .privacy-index__meta {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
  }
}

/* 动效退化 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-progress__bar {
    transition: none;
  }
  .page-privacy .privacy-clause:target {
    animation: none;
  }
  .page-privacy .privacy-top {
    transition: none;
  }
  .page-privacy .privacy-top:hover {
    transform: none;
  }
}

.page-privacy {
  --progress: inherit;
}