.page-privacy {
  --privacy-grid: rgba(0, 229, 255, 0.05);
  --privacy-panel: rgba(15, 45, 92, 0.55);
  --privacy-card: rgba(6, 18, 40, 0.6);
  --privacy-cyan-soft: rgba(0, 229, 255, 0.1);
  --privacy-orange-soft: rgba(255, 107, 53, 0.12);
  position: relative;
  background: var(--c-space);
  color: var(--c-star);
}

/* ========== 首屏区 ========== */
.privacy-hero {
  padding: 2.5rem 0 3.5rem;
  background:
    radial-gradient(ellipse at 85% 15%, rgba(0, 229, 255, 0.14), transparent 52%),
    radial-gradient(ellipse at 12% 88%, rgba(255, 107, 53, 0.08), transparent 48%),
    linear-gradient(180deg, var(--c-nebula) 0%, var(--c-space) 100%);
}
.privacy-hero__grid {
  display: grid;
  grid-template-columns: 1fr minmax(240px, 0.52fr);
  align-items: center;
  gap: 2rem 3rem;
  padding-top: 2rem;
}
.privacy-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.privacy-hero__kicker {
  font-family: var(--f-mono);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--c-cyan);
}
.privacy-hero__coord {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-dust);
  padding-left: 1rem;
  border-left: 1px solid rgba(155, 168, 189, 0.3);
}
.privacy-hero__lead {
  max-width: 46em;
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  line-height: 1.75;
  color: var(--c-dust);
  margin: 1.5rem 0 0;
}
.privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-top: 1.75rem;
}
.privacy-hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.7rem 1rem;
  border-radius: var(--r-md);
  background: rgba(2, 8, 20, 0.35);
  border: 1px solid rgba(155, 168, 189, 0.14);
}
.privacy-hero__meta-item dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--c-dust);
}
.privacy-hero__meta-item dd {
  margin: 0;
  font-size: 0.95rem;
  color: var(--c-star);
  font-weight: 500;
}
.privacy-hero__figure {
  margin: 0;
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid rgba(0, 229, 255, 0.25);
  background: var(--c-void);
  box-shadow: 0 18px 40px rgba(2, 8, 20, 0.45);
}
.privacy-hero__figure::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(0, 229, 255, 0.1), transparent 60%);
  pointer-events: none;
  z-index: 1;
}
.privacy-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}
.privacy-hero__caption {
  position: absolute;
  left: 12px;
  bottom: 12px;
  z-index: 2;
  margin: 0;
  padding: 0.35rem 0.85rem;
  background: rgba(2, 8, 20, 0.78);
  border-radius: var(--r-pill);
  color: var(--c-cyan);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

/* ========== 主体区 ========== */
.privacy-layout {
  padding: 3rem 0 4rem;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
}
.privacy-layout__grid {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 2.5rem;
  align-items: start;
}

/* --- 侧边章节导航 --- */
.privacy-nav {
  position: relative;
  min-width: 0;
}
.privacy-nav__inner {
  background: var(--privacy-panel);
  border: 1px solid rgba(0, 229, 255, 0.18);
  border-radius: var(--r-lg);
  padding: 1.5rem 1.25rem;
  box-shadow: 0 12px 32px rgba(2, 8, 20, 0.3);
}
.privacy-nav__inner > .coordinate-tag {
  margin-bottom: 1.1rem;
  color: var(--c-dust);
}
.privacy-nav__route {
  position: relative;
}
.privacy-nav__rail {
  position: absolute;
  left: 0;
  top: 10px;
  width: 24px;
  height: calc(100% - 20px);
  color: rgba(0, 229, 255, 0.45);
  overflow: visible;
}
.privacy-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.privacy-nav__item + .privacy-nav__item {
  margin-top: 0.3rem;
}
.privacy-nav__item a {
  position: relative;
  display: block;
  padding: 0.6rem 0.8rem 0.6rem 48px;
  border-radius: var(--r-pill);
  color: var(--c-dust);
  text-decoration: none;
  font-size: 0.93rem;
  line-height: 1.4;
  transition:
    background var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease);
}
.privacy-nav__item a:hover {
  background: var(--privacy-cyan-soft);
  color: var(--c-cyan);
}
.privacy-nav__dot {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-dust);
  transition: background var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.privacy-nav__item a:hover .privacy-nav__dot {
  background: var(--c-cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 255, 0.15);
}
.privacy-nav__num {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--c-cyan);
  opacity: 0.8;
  margin-right: 0.1rem;
}
.privacy-nav__label {
  color: inherit;
}
.privacy-nav__foot {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px dashed rgba(155, 168, 189, 0.2);
  text-align: center;
}
.privacy-nav__foot .btn {
  width: 100%;
  padding: 0.55rem 1rem;
  font-size: 0.88rem;
}

/* --- 正文章节 --- */
.privacy-content {
  min-width: 0;
}
.privacy-chapter {
  background: var(--privacy-card);
  border: 1px solid rgba(155, 168, 189, 0.16);
  border-radius: var(--r-lg);
  padding: clamp(1.75rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
  scroll-margin-top: calc(var(--hdr-h) + 24px);
  transition: border-color var(--dur-fast) var(--ease);
}
.privacy-chapter:hover {
  border-color: rgba(0, 229, 255, 0.35);
}
.privacy-chapter--wide {
  width: 100%;
}
.privacy-chapter--narrow {
  position: relative;
  width: 88%;
}
.privacy-chapter--narrow::after {
  content: "";
  position: absolute;
  top: 2rem;
  right: -4px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-meteor);
  opacity: 0.5;
}
.privacy-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(155, 168, 189, 0.16);
}
.privacy-chapter__no {
  font-family: var(--f-mono);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
  white-space: nowrap;
}
.privacy-chapter__head h2 {
  font-family: var(--f-display);
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  margin: 0;
  color: var(--c-star);
  letter-spacing: 0.02em;
  line-height: 1.15;
}
.privacy-chapter__head .coordinate-tag {
  margin-left: auto;
  color: var(--c-dust);
  opacity: 0.75;
}
.privacy-chapter__lead {
  font-size: clamp(1rem, 1.2vw, 1.08rem);
  line-height: 1.7;
  color: var(--c-star);
  opacity: 0.88;
  margin: 0 0 1.5rem;
}
.privacy-chapter__tail {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--c-dust);
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed rgba(155, 168, 189, 0.18);
}

/* --- 卡片网格 --- */
.privacy-grid-2,
.privacy-grid-3 {
  display: grid;
  gap: 1rem;
}
.privacy-grid-2 {
  grid-template-columns: repeat(2, 1fr);
}
.privacy-grid-3 {
  grid-template-columns: repeat(3, 1fr);
}
.privacy-block {
  background: rgba(10, 31, 68, 0.55);
  border: 1px solid rgba(155, 168, 189, 0.14);
  border-radius: var(--r-md);
  padding: 1.5rem;
  transition: border-color var(--dur-fast) var(--ease);
}
.privacy-block:hover {
  border-color: rgba(0, 229, 255, 0.3);
}
.privacy-block h3 {
  font-size: 1.02rem;
  color: var(--c-star);
  margin: 0 0 0.6rem;
  line-height: 1.4;
}
.privacy-block p {
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--c-dust);
  margin: 0;
}
.privacy-block--cyber {
  border-top: 2px solid var(--c-cyan);
  position: relative;
}

/* --- 提示与高亮 --- */
.privacy-note {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--privacy-cyan-soft);
  border-radius: var(--r-md);
  border-left: 3px solid var(--c-cyan);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--c-dust);
}
.privacy-note strong {
  color: var(--c-cyan);
  font-weight: 600;
}
.privacy-hl {
  padding: 1rem 1.25rem;
  background: var(--privacy-orange-soft);
  border-left: 3px solid var(--c-meteor);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-weight: 600;
  color: var(--c-star);
  line-height: 1.6;
  margin: 0 0 1.5rem;
}

/* --- 信息使用列表 --- */
.privacy-use {
  list-style: none;
  margin: 0;
  padding: 0;
}
.privacy-use li {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px dashed rgba(155, 168, 189, 0.16);
}
.privacy-use li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.privacy-use__idx {
  font-family: var(--f-mono);
  font-size: 0.9rem;
  color: var(--c-cyan);
  line-height: 1.4;
  min-width: 1.5rem;
}
.privacy-use__body h3 {
  font-size: 1rem;
  color: var(--c-star);
  margin: 0 0 0.3rem;
}
.privacy-use__body p {
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--c-dust);
  margin: 0;
}

/* --- 共享披露列表 --- */
.privacy-share {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: privacy-share;
}
.privacy-share li {
  position: relative;
  counter-increment: privacy-share;
  padding: 0.7rem 0 0.7rem 2.4rem;
  color: var(--c-dust);
  font-size: 0.96rem;
  line-height: 1.7;
}
.privacy-share li::before {
  content: counter(privacy-share, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.7rem;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  color: var(--c-cyan);
}

/* --- 权利清单 --- */
.privacy-rights {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}
.privacy-rights li {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.85rem 1rem;
  margin-bottom: 0.65rem;
  background: rgba(10, 31, 68, 0.45);
  border-radius: var(--r-md);
  border: 1px solid rgba(155, 168, 189, 0.12);
}
.privacy-rights li strong {
  font-family: var(--f-display);
  font-weight: normal;
  font-size: 1rem;
  color: var(--c-star);
  min-width: 4.5rem;
  letter-spacing: 0.04em;
}
.privacy-rights li span {
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--c-dust);
}
.privacy-rights__cta {
  margin-top: 1.5rem;
  padding: 1.25rem;
  border-radius: var(--r-md);
  background: var(--privacy-cyan-soft);
  border: 1px solid rgba(0, 229, 255, 0.18);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}
.privacy-rights__cta p {
  flex-basis: 100%;
  margin: 0 0 0.2rem;
  color: var(--c-star);
  font-size: 0.95rem;
  line-height: 1.6;
}
.privacy-rights__cta .btn {
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
}

/* ========== 底部联系区 ========== */
.privacy-contact {
  padding: 3.5rem 0;
  background: var(--c-night);
}
.privacy-contact__panel {
  background: var(--c-void);
  border: 1px solid rgba(0, 229, 255, 0.15);
  border-radius: var(--r-lg);
  padding: clamp(1.75rem, 4vw, 3rem);
}
.privacy-contact__head {
  max-width: 48em;
  margin-bottom: 2rem;
}
.privacy-contact__head h2 {
  font-family: var(--f-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  margin: 0.5rem 0;
  color: var(--c-star);
  letter-spacing: 0.02em;
}
.privacy-contact__head p {
  color: var(--c-dust);
  line-height: 1.7;
  font-size: 0.98rem;
}
.privacy-contact__head a {
  color: var(--c-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur-fast) var(--ease);
}
.privacy-contact__head a:hover {
  color: var(--c-meteor);
}
.privacy-contact__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.privacy-contact__item {
  padding: 1.25rem;
  border-radius: var(--r-md);
  background: rgba(10, 31, 68, 0.4);
  border: 1px solid rgba(155, 168, 189, 0.14);
  transition: border-color var(--dur-fast) var(--ease);
}
.privacy-contact__item:hover {
  border-color: rgba(0, 229, 255, 0.3);
}
.privacy-contact__label {
  display: block;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
  margin-bottom: 0.4rem;
}
.privacy-contact__value {
  display: block;
  font-size: 1.05rem;
  color: var(--c-star);
  font-weight: 600;
  line-height: 1.5;
  word-break: break-word;
}
.privacy-contact__note {
  display: block;
  font-size: 0.85rem;
  color: var(--c-dust);
  margin-top: 0.3rem;
  line-height: 1.5;
}

/* ========== 响应式 ========== */
@media (min-width: 1024px) {
  .privacy-nav {
    position: sticky;
    top: calc(var(--hdr-h) + 24px);
  }
}

@media (max-width: 1023px) {
  .privacy-layout__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .privacy-nav {
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .privacy-nav::-webkit-scrollbar {
    display: none;
  }
  .privacy-nav__inner {
    padding: 0.85rem 1rem;
    border-radius: var(--r-md);
  }
  .privacy-nav__inner > .coordinate-tag,
  .privacy-nav__rail,
  .privacy-nav__foot {
    display: none;
  }
  .privacy-nav__route {
    display: flex;
  }
  .privacy-nav__list {
    display: flex;
    gap: 0.35rem;
    white-space: nowrap;
  }
  .privacy-nav__item + .privacy-nav__item {
    margin-top: 0;
  }
  .privacy-nav__item a {
    padding: 0.45rem 0.9rem;
    font-size: 0.88rem;
  }
  .privacy-nav__dot {
    display: none;
  }
  .privacy-chapter--narrow {
    width: 100%;
  }
  .privacy-chapter--narrow::after {
    display: none;
  }
}

@media (max-width: 900px) {
  .privacy-grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 860px) {
  .privacy-hero__grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .privacy-hero__figure img {
    height: 220px;
    object-fit: cover;
    object-position: top;
  }
}

@media (max-width: 700px) {
  .privacy-grid-2 {
    grid-template-columns: 1fr;
  }
  .privacy-contact__grid {
    grid-template-columns: 1fr;
  }
  .privacy-chapter__head {
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
  }
  .privacy-chapter__head .coordinate-tag {
    margin-left: 0;
  }
  .privacy-rights li {
    flex-direction: column;
    gap: 0.25rem;
  }
  .privacy-rights li strong {
    min-width: 0;
  }
  .privacy-contact {
    padding: 2.5rem 0;
  }
}