.page-privacy {
  --privacy-panel-bg: rgba(18, 59, 122, 0.55);
  --privacy-border: rgba(255, 255, 255, 0.09);
  --privacy-body-text: rgba(255, 255, 255, 0.82);
  --privacy-muted-text: rgba(255, 255, 255, 0.58);
  background: linear-gradient(180deg, var(--deep-blue) 0%, var(--deep-black-blue) 640px);
  color: var(--white);
  position: relative;
  overflow-x: hidden;
}

/* ===== 顶部信息条 ===== */
.page-privacy__topbar {
  border-bottom: 1px solid var(--privacy-border);
}

.page-privacy__topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 0;
}

.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.8125rem;
}

.page-privacy .breadcrumb__link {
  color: var(--ice-blue);
  text-decoration: none;
  transition: color 0.2s;
}

.page-privacy .breadcrumb__link:hover {
  color: var(--neon-green);
}

.page-privacy .breadcrumb__item {
  color: var(--privacy-muted-text);
}

.page-privacy .breadcrumb__item--current {
  color: var(--white);
  font-weight: 600;
}

.page-privacy__policy-tags {
  display: flex;
  gap: 8px;
}

.page-privacy .tag--green {
  background: rgba(0, 255, 136, 0.12);
  color: var(--neon-green);
}

.page-privacy .tag--blue {
  background: rgba(25, 181, 229, 0.12);
  color: var(--ice-blue);
}

/* ===== 页面头部 ===== */
.page-privacy__hero {
  padding: 56px 0 48px;
  background:
    radial-gradient(ellipse at 82% 18%, rgba(25, 181, 229, 0.16), transparent 62%),
    radial-gradient(ellipse at 12% 80%, rgba(0, 255, 136, 0.08), transparent 55%),
    linear-gradient(180deg, var(--deep-blue), rgba(10, 31, 68, 0.2) 100%);
  margin-bottom: 0;
  position: relative;
}

.page-privacy__hero::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-green) 18%, var(--ice-blue) 58%, transparent);
  opacity: 0.8;
}

.page-privacy__hero-grid {
  display: grid;
  gap: 32px;
}

.page-privacy__hero-main {
  max-width: 760px;
}

.page-privacy .kicker {
  color: var(--neon-green);
  margin-bottom: 12px;
  letter-spacing: 0.2em;
}

.page-privacy .page-title {
  margin: 0;
  line-height: 1.15;
  letter-spacing: 0.01em;
}

@supports ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-privacy .page-title {
    background: linear-gradient(120deg, var(--white) 40%, var(--ice-blue) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}

.page-privacy__hero-sub {
  margin-top: 12px;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--gray-light);
  letter-spacing: 0.03em;
}

.page-privacy__hero-lead {
  margin-top: 20px;
  max-width: 540px;
  color: var(--privacy-body-text);
  line-height: 1.8;
  font-size: 0.9375rem;
}

.page-privacy__hero-main::after {
  content: "";
  display: block;
  width: 84px;
  height: 6px;
  margin-top: 22px;
  background: linear-gradient(90deg, var(--orange), var(--neon-green));
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}

.page-privacy__hero-panel {
  background: var(--privacy-panel-bg);
  border: 1px solid var(--privacy-border);
  border-radius: var(--radius);
  padding: 20px;
  display: grid;
  gap: 14px;
  align-self: start;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
  backdrop-filter: blur(6px);
}

.page-privacy__hero-panel-row {
  display: grid;
  grid-template-columns: 10px 1fr auto;
  align-items: center;
  gap: 10px;
  font-size: 0.875rem;
}

.page-privacy__hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.7);
}

.page-privacy__hero-label {
  color: var(--privacy-body-text);
}

.page-privacy__hero-status {
  color: var(--neon-green);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ===== 主体布局 ===== */
.page-privacy__layout {
  display: grid;
  gap: 40px;
  padding: 48px 0 88px;
}

/* ===== 侧边目录 ===== */
.page-privacy__toc {
  position: relative;
  z-index: 1;
  align-self: start;
}

.page-privacy__toc-inner {
  background: rgba(6, 18, 46, 0.82);
  border: 1px solid var(--privacy-border);
  border-radius: var(--radius);
  padding: 18px 16px;
}

.page-privacy__toc-title {
  margin: 0 0 12px;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--neon-green);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-privacy__toc-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 4px;
  margin: 0;
  list-style: none;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy__toc-list::-webkit-scrollbar {
  display: none;
}

.page-privacy__toc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: rgba(18, 59, 122, 0.85);
  border: 1px solid var(--privacy-border);
  border-radius: 999px;
  color: var(--white);
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.page-privacy__toc-link:hover {
  background: rgba(25, 181, 229, 0.14);
  border-color: var(--neon-green);
  color: var(--neon-green);
}

.page-privacy__toc-num {
  color: var(--neon-green);
  font-weight: 800;
}

.page-privacy__toc-cta {
  display: none;
  margin-top: 16px;
  width: 100%;
  justify-content: center;
}

/* ===== 正文区 ===== */
.page-privacy__content {
  display: grid;
  gap: 28px;
  min-width: 0;
}

.page-privacy__section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(18, 59, 122, 0.72), rgba(10, 31, 68, 0.9));
  border: 1px solid var(--privacy-border);
  border-radius: 14px;
  padding: 30px 22px 26px;
  box-shadow: var(--shadow-card);
}

.page-privacy__section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--neon-green), var(--ice-blue));
  border-radius: 4px 0 0 4px;
}

.page-privacy__section-num {
  position: absolute;
  top: 6px;
  right: 14px;
  font-size: clamp(3.5rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1;
  color: rgba(0, 255, 136, 0.07);
  pointer-events: none;
  font-family: var(--font-heading);
  letter-spacing: -0.04em;
  z-index: 0;
}

.page-privacy__section-head {
  position: relative;
  z-index: 1;
  margin-bottom: 18px;
}

.page-privacy__section-title {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 800;
  line-height: 1.3;
  max-width: calc(100% - 50px);
}

.page-privacy__section-body {
  position: relative;
  z-index: 1;
  color: var(--privacy-body-text);
  line-height: 1.8;
}

.page-privacy__section-lead {
  margin: 0 0 20px;
  font-size: 1.0625rem;
  line-height: 1.85;
}

.page-privacy__subhead {
  margin: 24px 0 10px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-privacy__subhead::before {
  content: "";
  width: 22px;
  height: 3px;
  background: var(--orange);
  display: inline-block;
  flex-shrink: 0;
  clip-path: polygon(0 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-privacy__list {
  margin: 0 0 16px;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  font-size: 0.9375rem;
}

.page-privacy__list li::marker {
  color: var(--neon-green);
}

.page-privacy__note-text {
  margin: 18px 0 0;
  background: rgba(255, 200, 87, 0.08);
  border-left: 3px solid var(--warning-yellow);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.7;
}

/* ===== 数据使用目的 ===== */
.page-privacy__usage-grid {
  display: grid;
  gap: 14px;
  margin-top: 4px;
}

.page-privacy__usage-item {
  background: rgba(6, 18, 46, 0.55);
  border: 1px solid var(--privacy-border);
  border-radius: 10px;
  padding: 18px;
  transition: border-color 0.25s, transform 0.25s var(--ease-out);
}

.page-privacy__usage-item:hover {
  border-color: rgba(0, 255, 136, 0.35);
  transform: translateY(-2px);
}

.page-privacy__usage-title {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--neon-green);
}

.page-privacy__usage-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ===== 数据安全图 ===== */
.page-privacy__security-figure {
  margin: 22px 0;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--privacy-border);
  background: rgba(6, 18, 46, 0.5);
}

.page-privacy__security-img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-privacy__security-caption {
  padding: 10px 16px;
  font-size: 0.8125rem;
  color: var(--privacy-muted-text);
  text-align: center;
}

/* ===== 安全提示 ===== */
.page-privacy__callout {
  margin-top: 20px;
  background: rgba(0, 255, 136, 0.06);
  border-left: 3px solid var(--neon-green);
  padding: 14px 16px;
  border-radius: 0 10px 10px 0;
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-privacy__callout strong {
  color: var(--neon-green);
}

/* ===== 用户权利 ===== */
.page-privacy__rights-grid {
  display: grid;
  gap: 12px;
  margin: 16px 0;
}

.page-privacy__rights-item {
  background: rgba(6, 18, 46, 0.55);
  border: 1px solid var(--privacy-border);
  border-radius: 10px;
  padding: 16px;
  display: grid;
  gap: 8px;
}

.page-privacy__rights-tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 12px;
  background: var(--orange);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 4px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.page-privacy__rights-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ===== 联系方式 ===== */
.page-privacy__contact-grid {
  display: grid;
  gap: 12px;
  margin: 20px 0;
}

.page-privacy__contact-card {
  background: rgba(6, 18, 46, 0.55);
  border: 1px solid var(--privacy-border);
  border-radius: 10px;
  padding: 16px;
  display: grid;
  gap: 4px;
}

.page-privacy__contact-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ice-blue);
}

.page-privacy__contact-value {
  font-size: 1.0625rem;
  color: var(--white);
  word-break: break-word;
  font-weight: 500;
}

.page-privacy__contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-privacy .btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--white);
}

.page-privacy .btn--ghost:hover {
  border-color: var(--neon-green);
  color: var(--neon-green);
}

.page-privacy .btn--primary {
  background: var(--neon-green);
  color: var(--deep-black-blue);
  font-weight: 800;
}

.page-privacy__policy-meta {
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid var(--privacy-border);
  font-size: 0.875rem;
  color: var(--privacy-muted-text);
  line-height: 1.7;
}

.page-privacy__policy-meta p {
  margin: 0;
}

/* ===== 返回顶部 ===== */
.page-privacy__back-top {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  background: var(--neon-green);
  color: var(--deep-black-blue);
  font-size: 0.8125rem;
  font-weight: 800;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 8px 28px rgba(0, 255, 136, 0.35);
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.page-privacy__back-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0, 255, 136, 0.45);
}

/* ===== 媒体查询：平板及以上 ===== */
@media (min-width: 768px) {
  .page-privacy__hero {
    padding: 72px 0 56px;
  }

  .page-privacy__hero-grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 48px;
    align-items: center;
  }

  .page-privacy__layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }

  .page-privacy__toc {
    position: sticky;
    top: 24px;
  }

  .page-privacy__toc-inner {
    padding: 20px 16px;
  }

  .page-privacy__toc-list {
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy__toc-link {
    width: 100%;
    border-radius: 8px;
    background: transparent;
    border-color: transparent;
    padding: 10px 12px;
    white-space: normal;
  }

  .page-privacy__toc-cta {
    display: inline-flex;
  }

  .page-privacy__section {
    padding: 34px 28px 28px;
  }

  .page-privacy__usage-grid,
  .page-privacy__contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy__rights-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== 媒体查询：桌面端 ===== */
@media (min-width: 1024px) {
  .page-privacy__hero {
    padding: 88px 0 64px;
  }

  .page-privacy__hero-lead {
    font-size: 1rem;
  }

  .page-privacy__layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 48px;
    padding-bottom: 104px;
  }

  .page-privacy__section {
    padding: 42px 40px 34px;
  }

  .page-privacy__rights-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .page-privacy__usage-item {
    padding: 22px;
  }

  .page-privacy__back-top {
    right: 28px;
    bottom: 28px;
    padding: 12px 18px;
  }
}