/* ===== 隐私政策页：数据收集与设备同步信息保护 ===== */
.page-privacy {
  --privacy-bg: #081420;
  --privacy-card-bg: #0F2235;
  --privacy-card-bg-deep: #0A1D2E;
  --privacy-border: #1E3A5F;
  --privacy-accent: #00FFAA;
  --privacy-alert: #FF6A00;
  --privacy-text: #E6F0F5;
  --privacy-dim: #A8C3D4;
  --privacy-blue: #4D9FFF;
  --privacy-shadow: 0 6px 0 #000000;
  --privacy-ease: 200ms cubic-bezier(0.4, 0, 0.2, 1);

  background-color: var(--privacy-bg);
  color: var(--privacy-text);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: 64px;
}

.page-privacy .container {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* 面包屑 */
.page-privacy .breadcrumb {
  display: flex;
  align-items: center;
  padding: 20px 0 4px;
  font-size: 13px;
  color: var(--privacy-dim);
}

.page-privacy .breadcrumb__list {
  display: inline-flex;
  align-items: center;
}

.page-privacy .breadcrumb__link {
  color: var(--privacy-accent);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--privacy-ease);
}

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

.page-privacy .breadcrumb__sep {
  margin: 0 10px;
  color: rgba(168, 195, 212, 0.5);
}

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

/* 首屏横幅 */
.page-privacy .privacy-hero {
  border: 2px solid var(--privacy-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--privacy-shadow);
  background: var(--privacy-card-bg);
  margin: 16px 0 36px;
}

.page-privacy .privacy-hero__media {
  position: relative;
  aspect-ratio: 1200 / 300;
  background: var(--privacy-card-bg-deep);
  overflow: hidden;
}

.page-privacy .privacy-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  display: block;
}

.page-privacy .privacy-hero__content {
  padding: 22px 20px 26px;
  background: linear-gradient(180deg, rgba(15, 34, 53, 0.9), var(--privacy-card-bg));
}

.page-privacy .privacy-hero .tag {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.12em;
  padding: 5px 10px;
  border-radius: 4px;
  color: var(--privacy-accent);
  background: rgba(0, 255, 170, 0.1);
  border: 1px solid rgba(0, 255, 170, 0.4);
  text-transform: uppercase;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 26px;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--privacy-text);
  margin: 14px 0 10px;
}

.page-privacy .privacy-hero__sub {
  display: block;
  margin-top: 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--privacy-accent);
  letter-spacing: 0.04em;
}

.page-privacy .privacy-hero__lead {
  color: var(--privacy-dim);
  font-size: 15px;
  line-height: 1.75;
  margin: 0;
}

/* 布局主体 */
.page-privacy .privacy-layout {
  display: block;
}

/* 侧边目录导航 */
.page-privacy .privacy-rail {
  margin-bottom: 28px;
  background: var(--privacy-card-bg);
  border: 1.5px solid var(--privacy-border);
  border-radius: 10px;
  padding: 16px;
}

.page-privacy .privacy-rail__label {
  font-size: 11px;
  font-family: var(--font-data);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--privacy-accent);
  margin: 0 0 12px;
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-privacy .privacy-rail__link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border: 1px solid var(--privacy-border);
  border-radius: 999px;
  font-size: 13px;
  text-decoration: none;
  color: var(--privacy-dim);
  font-weight: 500;
  transition: all var(--privacy-ease);
}

.page-privacy .privacy-rail__num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 11px;
  color: var(--privacy-accent);
}

.page-privacy .privacy-rail__link:hover {
  border-color: var(--privacy-accent);
  color: var(--privacy-text);
  background: rgba(0, 255, 170, 0.07);
}

.page-privacy .privacy-rail__contact {
  margin-top: 16px;
  border-top: 1px solid var(--privacy-border);
  padding-top: 14px;
}

.page-privacy .privacy-rail__contact-label {
  font-size: 12px;
  color: var(--privacy-dim);
  margin: 0 0 4px;
}

.page-privacy .privacy-rail__contact-value {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--privacy-accent);
  margin: 0;
  word-break: break-all;
}

/* 主内容栏 */
.page-privacy .privacy-main {
  min-width: 0;
}

/* 政策章节卡片 */
.page-privacy .privacy-card {
  background: var(--privacy-card-bg);
  border: 1.5px solid var(--privacy-border);
  border-left: 4px solid var(--privacy-accent);
  border-radius: 10px;
  padding: 24px 20px;
  margin-bottom: 20px;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.35);
  transition: transform var(--privacy-ease), border-color var(--privacy-ease);
}

.page-privacy .privacy-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 255, 170, 0.3);
}

.page-privacy .privacy-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-privacy .privacy-card__index {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  color: var(--privacy-accent);
  letter-spacing: 0.12em;
  margin-right: auto;
}

.page-privacy .privacy-card__head h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 20px;
  color: var(--privacy-text);
  margin: 0;
  letter-spacing: 0.02em;
}

.page-privacy .privacy-card__icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid rgba(0, 255, 170, 0.36);
  border-radius: 8px;
  background: rgba(0, 255, 170, 0.07);
  color: var(--privacy-accent);
  flex-shrink: 0;
}

.page-privacy .privacy-card__body p {
  margin: 0 0 14px;
  color: var(--privacy-dim);
  font-size: 15px;
  line-height: 1.75;
}

.page-privacy .privacy-card__body p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-card__body strong {
  color: var(--privacy-text);
  font-weight: 600;
}

.page-privacy .privacy-card__notice {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 106, 0, 0.45);
  background: rgba(255, 106, 0, 0.08);
  border-radius: 8px;
  font-size: 14px;
  color: var(--privacy-text);
}

.page-privacy .privacy-card__notice svg {
  flex-shrink: 0;
  color: var(--privacy-alert);
}

/* 折叠面板 */
.page-privacy .privacy-fold {
  border: 1px solid var(--privacy-border);
  border-radius: 8px;
  margin-top: 12px;
  background: rgba(8, 20, 32, 0.55);
  overflow: hidden;
}

.page-privacy .privacy-fold summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 14px;
  color: var(--privacy-text);
  user-select: none;
  transition: background var(--privacy-ease);
}

.page-privacy .privacy-fold summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-fold summary::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--privacy-accent);
  flex-shrink: 0;
}

.page-privacy .privacy-fold summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 18px;
  font-weight: 400;
  color: var(--privacy-accent);
  transition: transform 0.3s;
}

.page-privacy .privacy-fold[open] summary::after {
  transform: rotate(45deg);
}

.page-privacy .privacy-fold[open] summary {
  background: rgba(0, 255, 170, 0.06);
  border-bottom: 1px solid rgba(30, 58, 95, 0.6);
}

.page-privacy .privacy-fold__content {
  padding: 12px 16px 16px 33px;
}

.page-privacy .privacy-fold__content ul {
  margin: 0;
  padding-left: 16px;
}

.page-privacy .privacy-fold__content li {
  margin-bottom: 8px;
  color: var(--privacy-dim);
  font-size: 14px;
  line-height: 1.7;
}

.page-privacy .privacy-fold__content p {
  margin: 0 0 8px;
  color: var(--privacy-dim);
  font-size: 14px;
  line-height: 1.7;
}

.page-privacy .privacy-fold__content a {
  color: var(--privacy-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 页脚提示区 */
.page-privacy .privacy-footer {
  margin-top: 30px;
}

.page-privacy .privacy-print-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  border: 1px dashed var(--privacy-border);
  border-radius: 8px;
  color: var(--privacy-dim);
  font-size: 14px;
  line-height: 1.7;
  background: rgba(30, 58, 95, 0.15);
  margin-bottom: 18px;
}

.page-privacy .privacy-print-note__icon {
  color: var(--privacy-blue);
  flex-shrink: 0;
  margin-top: 2px;
}

.page-privacy .privacy-print-note p {
  margin: 0;
}

/* 延伸阅读链接 */
.page-privacy .privacy-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-privacy .privacy-links__card {
  background: var(--privacy-card-bg-deep);
  border: 1px solid var(--privacy-border);
  border-radius: 8px;
  padding: 16px 18px;
}

.page-privacy .privacy-links__label {
  font-family: var(--font-data);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--privacy-blue);
  margin: 0 0 4px;
}

.page-privacy .privacy-links__card p {
  margin: 0;
  color: var(--privacy-dim);
  font-size: 14px;
  line-height: 1.7;
}

.page-privacy .privacy-links__card a {
  color: var(--privacy-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 滚动显现（JS 运行时生效） */
.page-privacy.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms cubic-bezier(0.2, 0.65, 0.3, 1), transform 600ms cubic-bezier(0.2, 0.65, 0.3, 1);
}

.page-privacy.js [data-reveal].is-visible,
.page-privacy.js .is-visible {
  opacity: 1;
  transform: none;
}

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

/* ===== 桌面端 ≥ 960px ===== */
@media (min-width: 960px) {
  .page-privacy {
    padding-bottom: 90px;
  }

  .page-privacy .container {
    padding: 0 32px;
  }

  .page-privacy .breadcrumb {
    padding-top: 28px;
  }

  .page-privacy .privacy-hero {
    margin: 20px 0 48px;
  }

  .page-privacy .privacy-hero__content {
    padding: 34px 40px 38px;
  }

  .page-privacy .privacy-hero h1 {
    font-size: 36px;
  }

  .page-privacy .privacy-hero__sub {
    font-size: 18px;
  }

  .page-privacy .privacy-hero__lead {
    max-width: 900px;
    font-size: 16px;
  }

  .page-privacy .privacy-layout {
    display: grid;
    grid-template-columns: 226px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-height) + 18px);
    margin-bottom: 0;
    padding: 18px 14px;
  }

  .page-privacy .privacy-rail__list {
    flex-direction: column;
    gap: 2px;
  }

  .page-privacy .privacy-rail__link {
    border: none;
    border-left: 2px solid var(--privacy-border);
    border-radius: 0;
    padding: 9px 10px;
    gap: 10px;
  }

  .page-privacy .privacy-rail__link:hover {
    border-left-color: var(--privacy-accent);
    background: rgba(0, 255, 170, 0.06);
  }

  .page-privacy .privacy-rail__contact-value {
    font-size: 12px;
  }

  .page-privacy .privacy-main {
    max-width: 780px;
  }

  .page-privacy .privacy-card {
    padding: 30px 28px;
    margin-bottom: 26px;
  }

  .page-privacy .privacy-card__head {
    margin-bottom: 18px;
  }

  .page-privacy .privacy-card__head h2 {
    font-size: 22px;
  }

  .page-privacy .privacy-card__icon {
    width: 36px;
    height: 36px;
  }

  .page-privacy .privacy-fold__content {
    padding-left: 36px;
  }

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

/* ===== 小屏防溢出 ===== */
@media (max-width: 359px) {
  .page-privacy .container {
    padding: 0 14px;
  }

  .page-privacy .privacy-hero h1 {
    font-size: 20px;
  }

  .page-privacy .privacy-card {
    padding: 18px 14px;
  }

  .page-privacy .privacy-card__head {
    flex-wrap: wrap;
  }

  .page-privacy .privacy-card__icon {
    display: none;
  }
}