/* ===== 隐私政策页面专属样式 .page-privacy ===== */
.page-privacy {
  --privacy-toc-width: 220px;
  --privacy-content-max: 820px;
  --privacy-gap: 2.5rem;
  --privacy-card-bg: var(--color-warm-paper);
  --privacy-card-text: #2C2F36;
  --privacy-accent-line: var(--color-gold);
  --privacy-num-size: 3.5rem;
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: var(--color-deep-night);
  color: var(--color-white);
  min-height: 80vh;
  padding: 1.25rem 1rem 3rem;
}

/* 进度条 */
.page-privacy .privacy-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-dark-gray);
  z-index: 100;
  pointer-events: none;
  transform-origin: left center;
  scale: 0 1;
  transition: scale 0.1s linear;
}

/* 页面头部 */
.page-privacy .privacy-hero {
  max-width: var(--privacy-content-max);
  margin-left: 0;
  margin-bottom: 2rem;
  padding-top: 1.5rem;
}

.page-privacy .privacy-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-gold);
  margin-bottom: 1.25rem;
  opacity: 0.8;
}

.page-privacy .privacy-hero .breadcrumb a {
  color: var(--color-gold);
  text-decoration: none;
  transition: var(--transition-fast);
}

.page-privacy .privacy-hero .breadcrumb a:hover {
  color: var(--color-flame-red);
}

.page-privacy .privacy-hero .breadcrumb span[aria-current="page"] {
  color: var(--color-warm-paper);
  font-weight: 500;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-heading);
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1.1;
  color: var(--color-warm-paper);
  margin: 0 0 0.3rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  word-break: break-word;
}

.page-privacy .privacy-hero__subtitle {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-gold);
  margin: 0 0 0.75rem;
  letter-spacing: 0.15em;
}

.page-privacy .privacy-hero__desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-white);
  max-width: 90%;
  opacity: 0.85;
}

/* 主布局：侧边目录 + 内容 */
.page-privacy .privacy-layout {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: var(--privacy-content-max);
  width: 100%;
}

/* 侧边目录 */
.page-privacy .privacy-toc {
  order: 0;
  background: var(--color-dark-gray);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  border-left: 4px solid var(--color-gold);
  flex-shrink: 0;
}

.page-privacy .privacy-toc__label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.2em;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
}

.page-privacy .privacy-toc__list li {
  margin: 0;
}

.page-privacy .privacy-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-warm-paper);
  text-decoration: none;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
  white-space: nowrap;
}

.page-privacy .privacy-toc__list a:hover {
  background: var(--color-deep-gray);
  color: var(--color-gold);
}

.page-privacy .privacy-toc__list .toc-num {
  font-family: var(--font-data);
  font-weight: 700;
  color: var(--color-gold);
  font-size: 0.8rem;
  min-width: 1.5em;
}

/* 内容区 */
.page-privacy .privacy-content {
  order: 1;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* 每个章节卡片 */
.page-privacy .privacy-section {
  background: var(--privacy-card-bg);
  color: var(--privacy-card-text);
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.25rem;
  box-shadow: var(--shadow-card);
  transition: var(--transition-base);
  scroll-margin-top: 80px;
  position: relative;
}

.page-privacy .privacy-section:target {
  outline: 3px solid var(--color-gold);
  outline-offset: 4px;
  box-shadow: 0 0 0 6px rgba(255, 215, 0, 0.2);
}

.page-privacy .section-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.page-privacy .section-header .num {
  font-family: var(--font-heading);
  font-size: var(--privacy-num-size);
  font-weight: 900;
  line-height: 0.9;
  color: var(--color-gold);
  flex-shrink: 0;
  margin-top: -0.15em;
  text-shadow: 1px 1px 0 rgba(0,0,0,0.1);
}

.page-privacy .section-header h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0;
  padding-top: 0.2em;
  color: var(--color-deep-night);
  letter-spacing: 0.03em;
  border-bottom: 2px solid var(--color-gold);
  padding-bottom: 0.2em;
  flex: 1;
}

.page-privacy .section-body {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-deep-gray);
}

.page-privacy .section-body p {
  margin: 0 0 1rem;
}

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

.page-privacy .section-body ul {
  margin: 0.75rem 0 1rem;
  padding-left: 1.4rem;
  list-style: none;
}

.page-privacy .section-body ul li {
  position: relative;
  margin-bottom: 0.45rem;
  padding-left: 1.2rem;
}

.page-privacy .section-body ul li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-pitch-green);
  font-size: 0.6rem;
}

.page-privacy .section-body ul li strong {
  color: var(--color-deep-night);
  font-weight: 600;
}

.page-privacy .section-body a {
  color: var(--color-flame-red);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: var(--transition-fast);
}

.page-privacy .section-body a:hover {
  color: var(--color-pitch-green);
}

/* 带图片的章节布局 */
.page-privacy .section-body--with-img {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
}

.page-privacy .section-text {
  flex: 1;
}

.page-privacy .security-icon {
  flex-shrink: 0;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  background: var(--color-deep-night);
  padding: 0.5rem;
  object-fit: contain;
}

/* 联系我们区块 */
.page-privacy .contact-block {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: var(--color-deep-night);
  color: var(--color-warm-paper);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin: 0.75rem 0 1rem;
  border-left: 4px solid var(--color-pitch-green);
}

.page-privacy .contact-block__item {
  font-size: 0.9rem;
  font-family: var(--font-body);
  line-height: 1.6;
}

.page-privacy .contact-block__item strong {
  color: var(--color-gold);
  font-weight: 600;
}

.page-privacy .contact-block__item a {
  color: var(--color-pitch-green);
  text-decoration: none;
}

.page-privacy .contact-block__item a:hover {
  text-decoration: underline;
  color: var(--color-gold);
}

.page-privacy .compliance-badge {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1rem auto 0;
  border-radius: var(--radius-sm);
  object-fit: contain;
}

/* 底部链接导航 */
.page-privacy .privacy-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 0.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-dark-gray);
}

.page-privacy .privacy-foot-link {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gold);
  text-decoration: none;
  padding: 0.4rem 1rem;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-sm);
  transition: var(--transition-base);
}

.page-privacy .privacy-foot-link:hover {
  background: var(--color-gold);
  color: var(--color-deep-night);
}

/* 返回顶部按钮 */
.page-privacy .back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-pitch-green);
  color: var(--color-deep-night);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(0, 230, 118, 0.35);
  transition: var(--transition-base);
  z-index: 80;
  opacity: 0.85;
}

.page-privacy .back-to-top:hover {
  background: var(--color-gold);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
  opacity: 1;
}

.page-privacy .back-to-top svg {
  width: 20px;
  height: 20px;
  display: block;
}

/* ===== 桌面端 ≥768px ===== */
@media (min-width: 768px) {
  .page-privacy {
    padding: 2rem 2.5rem 4rem;
  }

  .page-privacy .privacy-hero h1 {
    font-size: 3.6rem;
  }

  .page-privacy .privacy-hero__desc {
    max-width: 75%;
  }

  .page-privacy .privacy-layout {
    flex-direction: row;
    gap: var(--privacy-gap);
    align-items: flex-start;
  }

  .page-privacy .privacy-toc {
    order: 0;
    position: sticky;
    top: calc(var(--header-height, 60px) + 1rem);
    width: var(--privacy-toc-width);
    min-width: var(--privacy-toc-width);
    padding: 1.5rem 1.25rem;
    flex-direction: column;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    gap: 0.3rem;
  }

  .page-privacy .privacy-toc__list a {
    white-space: normal;
    padding: 0.4rem 0.6rem;
    font-size: 0.9rem;
  }

  .page-privacy .privacy-content {
    order: 1;
    flex: 1;
    min-width: 0;
  }

  .page-privacy .privacy-section {
    padding: 2rem 2rem;
  }

  .page-privacy .section-header h2 {
    font-size: 1.8rem;
  }

  .page-privacy .section-body--with-img {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-privacy .security-icon {
    width: 150px;
    height: 150px;
  }

  .page-privacy .contact-block {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
  }

  .page-privacy .compliance-badge {
    margin: 1rem 0 0;
  }

  .page-privacy .privacy-footer-links {
    justify-content: flex-start;
  }
}

/* ===== 桌面大屏 ≥1024px ===== */
@media (min-width: 1024px) {
  .page-privacy {
    padding: 2.5rem 3rem 5rem;
  }

  .page-privacy .privacy-hero h1 {
    font-size: 4.2rem;
  }

  .page-privacy .privacy-hero__desc {
    max-width: 65%;
    font-size: 1.05rem;
  }

  .page-privacy .privacy-layout {
    gap: 3rem;
  }

  .page-privacy .privacy-toc {
    width: 240px;
    min-width: 240px;
    padding: 2rem 1.5rem;
  }

  .page-privacy .privacy-section {
    padding: 2.5rem 2.5rem;
  }

  .page-privacy .section-header .num {
    font-size: 4.5rem;
  }

  .page-privacy .section-header h2 {
    font-size: 2rem;
  }

  .page-privacy .back-to-top {
    bottom: 2rem;
    right: 2.5rem;
    width: 48px;
    height: 48px;
  }
}

/* ===== 移动端小屏适配 ===== */
@media (max-width: 420px) {
  .page-privacy {
    padding: 1rem 0.75rem 2.5rem;
  }

  .page-privacy .privacy-hero h1 {
    font-size: 2.2rem;
  }

  .page-privacy .privacy-hero__desc {
    max-width: 100%;
    font-size: 0.88rem;
  }

  .page-privacy .privacy-section {
    padding: 1.25rem 1rem;
  }

  .page-privacy .section-header .num {
    font-size: 2.8rem;
  }

  .page-privacy .section-header h2 {
    font-size: 1.3rem;
  }

  .page-privacy .section-body {
    font-size: 0.88rem;
  }

  .page-privacy .contact-block {
    padding: 0.75rem 1rem;
  }

  .page-privacy .privacy-toc__list a {
    font-size: 0.78rem;
    padding: 0.2rem 0.4rem;
  }

  .page-privacy .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
  }
}