/* ======================
   三亿体育 · 隐私政策页
   作用域限定 .page-privacy
   ====================== */
.page-privacy {
  --privacy-paper: #F3F0E9;
  --privacy-paper-deep: #EDE9DF;
  --privacy-ink: #1E2A38;
  --privacy-ink-soft: #3A4A5A;
  --privacy-heading: #0B1E36;
  --privacy-muted: #5E6E7C;
  --privacy-line: rgba(11, 30, 54, 0.12);
  --privacy-line-strong: rgba(11, 30, 54, 0.22);
  --privacy-card-bg: #FFFFFF;
  --privacy-accent: #00A954;
  --privacy-accent-soft: rgba(0, 169, 84, 0.1);
  --privacy-accent-line: rgba(0, 169, 84, 0.28);
  --privacy-warning: #FF6A00;
  --privacy-warning-soft: rgba(255, 106, 0, 0.08);
  --privacy-shadow-sm: 0 2px 12px rgba(11, 30, 54, 0.06);
  --privacy-shadow: 0 8px 32px rgba(11, 30, 54, 0.09);
  --privacy-radius: 14px;

  background: var(--privacy-paper);
  color: var(--privacy-ink);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
  scroll-behavior: smooth;
}
.page-privacy img {
  max-width: 100%;
  height: auto;
}

/* ===== Hero 首屏 ===== */
.page-privacy__hero {
  position: relative;
  background: linear-gradient(180deg, var(--privacy-paper-deep) 0%, var(--privacy-paper) 100%);
  border-bottom: 1px solid var(--privacy-line);
  padding: 116px 0 56px;
  overflow: hidden;
}
.page-privacy__hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--privacy-accent) 0%, transparent 35%, transparent 70%, var(--privacy-warning) 100%);
  opacity: 0.55;
  pointer-events: none;
}
.page-privacy__hero .container {
  position: relative;
  z-index: 1;
}
.page-privacy__breadcrumb {
  margin-bottom: 36px;
  color: var(--privacy-muted);
  font-size: 0.88rem;
}
.page-privacy__breadcrumb a {
  color: var(--privacy-ink-soft);
  text-decoration: none;
  transition: color 0.2s ease;
}
.page-privacy__breadcrumb a:hover {
  color: var(--privacy-accent);
}
.page-privacy__hero-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  align-items: flex-end;
  justify-content: space-between;
}
.page-privacy__hero-main {
  flex: 1 1 340px;
  min-width: 0;
}
.page-privacy__hero-tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 999px;
  background: var(--privacy-accent);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.page-privacy__title {
  font-family: var(--font-headline);
  font-size: 2.4rem;
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--privacy-heading);
  margin: 0 0 10px;
}
.page-privacy__subtitle {
  font-family: var(--font-data);
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--privacy-accent);
  margin: 0 0 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.page-privacy__meta {
  font-size: 0.88rem;
  color: var(--privacy-muted);
  margin: 0;
}
.page-privacy__hero-index {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-privacy__hero-index-item {
  background: var(--privacy-card-bg);
  border: 1px solid var(--privacy-line);
  border-radius: 12px;
  padding: 14px 18px;
  box-shadow: var(--privacy-shadow-sm);
  min-width: 120px;
}
.page-privacy__hero-index-num {
  display: block;
  font-family: var(--font-data);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--privacy-heading);
  line-height: 1.2;
}
.page-privacy__hero-index-label {
  display: block;
  font-size: 0.76rem;
  color: var(--privacy-muted);
  margin-top: 4px;
  white-space: nowrap;
}

/* ===== 主体布局 ===== */
.page-privacy__layout.container {
  display: grid;
  gap: 28px;
  padding-top: 36px;
  padding-bottom: 72px;
}

/* ===== 目录 ===== */
.page-privacy__toc-sticky {
  position: static;
}
.page-privacy__toc-title {
  font-family: var(--font-headline);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--privacy-heading);
  margin: 0 0 12px;
  padding-bottom: 8px;
  display: inline-block;
  border-bottom: 2px solid var(--privacy-accent);
}
.page-privacy__toc-nav {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.page-privacy__toc-nav::-webkit-scrollbar {
  display: none;
}
.page-privacy__toc-link {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  white-space: nowrap;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid transparent;
  color: var(--privacy-ink);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}
.page-privacy__toc-link:hover,
.page-privacy__toc-link:focus-visible {
  background: var(--privacy-accent-soft);
  border-color: var(--privacy-accent-line);
  color: var(--privacy-heading);
  outline: none;
}
.page-privacy__toc-num {
  font-family: var(--font-data);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--privacy-accent);
}
.page-privacy__toc-related {
  display: none;
}

/* ===== 正文容器 ===== */
.page-privacy__content {
  min-width: 0;
  max-width: 900px;
}
.page-privacy__intro {
  background: var(--privacy-card-bg);
  border: 1px solid var(--privacy-line);
  border-left: 4px solid var(--privacy-accent);
  border-radius: var(--privacy-radius);
  padding: 28px 30px;
  font-size: 1.03rem;
  line-height: 1.85;
  color: var(--privacy-ink-soft);
  box-shadow: var(--privacy-shadow-sm);
  margin-bottom: 44px;
}

/* ===== 章节 ===== */
.page-privacy__section {
  margin-bottom: 52px;
  scroll-margin-top: calc(var(--header-h) + 20px);
}
.page-privacy__section-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--privacy-line);
  margin-bottom: 26px;
}
.page-privacy__section-heading::after {
  content: "";
  flex: 1;
  height: 2px;
  background: linear-gradient(90deg, var(--privacy-accent-line), transparent);
}
.page-privacy__section-num {
  font-family: var(--font-data);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--privacy-accent);
  background: var(--privacy-accent-soft);
  border: 1px solid var(--privacy-accent-line);
  padding: 3px 10px;
  border-radius: 6px;
  line-height: 1.4;
}
.page-privacy__section-title {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.02em;
  color: var(--privacy-heading);
  margin: 0;
}
.page-privacy__lead {
  font-size: 1.04rem;
  line-height: 1.8;
  color: var(--privacy-ink-soft);
  margin-top: 0;
}
.page-privacy__section-body > p {
  margin-bottom: 1.2em;
}

/* ===== 卡片与列表 ===== */
.page-privacy__card {
  background: var(--privacy-card-bg);
  border: 1px solid var(--privacy-line);
  border-radius: var(--privacy-radius);
  padding: 22px 26px;
  margin: 20px 0;
  box-shadow: var(--privacy-shadow-sm);
}
.page-privacy__card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-headline);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--privacy-heading);
  margin: 0 0 14px;
}
.page-privacy__card-title::before {
  content: "";
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: var(--privacy-accent);
}
.page-privacy__list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-privacy__list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 10px;
}
.page-privacy__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--privacy-accent);
  opacity: 0.55;
}
.page-privacy__list--tight li {
  margin-bottom: 8px;
}
.page-privacy__note {
  font-size: 0.88rem;
  color: var(--privacy-muted);
  padding: 12px 16px;
  border-left: 3px solid var(--privacy-line-strong);
  background: rgba(11, 30, 54, 0.03);
  border-radius: 0 8px 8px 0;
  margin-top: 20px;
}

/* ===== 共享边界声明 ===== */
.page-privacy__alert {
  background: var(--privacy-warning-soft);
  border: 1px solid rgba(255, 106, 0, 0.2);
  border-radius: var(--privacy-radius);
  padding: 22px 26px;
  margin-top: 26px;
}
.page-privacy__alert-title {
  font-weight: 700;
  color: var(--privacy-warning);
  margin: 0 0 8px;
  font-size: 1rem;
}

/* ===== 用户权利 ===== */
.page-privacy__rights {
  display: grid;
  gap: 12px;
}
.page-privacy__right {
  background: var(--privacy-card-bg);
  border: 1px solid var(--privacy-line);
  border-radius: 10px;
  padding: 4px 20px;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.page-privacy__right[open] {
  border-color: var(--privacy-accent-line);
  box-shadow: var(--privacy-shadow-sm);
}
.page-privacy__right summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--privacy-heading);
  padding: 14px 0;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  user-select: none;
}
.page-privacy__right summary::-webkit-details-marker {
  display: none;
}
.page-privacy__right summary::before {
  content: "+";
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--privacy-accent);
  width: 20px;
  height: 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--privacy-accent-line);
  border-radius: 50%;
  transition: transform 0.2s ease;
}
.page-privacy__right[open] summary::before {
  content: "−";
  background: var(--privacy-accent);
  color: #ffffff;
  border-color: var(--privacy-accent);
}
.page-privacy__right p {
  padding: 0 0 16px 30px;
  margin: 0;
  color: var(--privacy-ink-soft);
  font-size: 0.95rem;
}

/* ===== 安全措施 ===== */
.page-privacy__security {
  display: grid;
  gap: 24px;
  align-items: start;
}
.page-privacy__security-img {
  margin: 0;
  border-radius: var(--privacy-radius);
  overflow: hidden;
  border: 1px solid var(--privacy-line);
  background: var(--privacy-card-bg);
  box-shadow: var(--privacy-shadow-sm);
}
.page-privacy__security-img img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 联系块 ===== */
.page-privacy__contact {
  background: var(--privacy-card-bg);
  border: 1px solid var(--privacy-line);
  border-radius: var(--privacy-radius);
  padding: 22px 24px;
  margin: 24px 0;
  display: grid;
  gap: 12px;
  box-shadow: var(--privacy-shadow-sm);
}
.page-privacy__contact-item {
  padding: 12px 14px;
  background: var(--privacy-paper);
  border: 1px solid var(--privacy-line);
  border-radius: 8px;
}
.page-privacy__contact-label {
  display: block;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--privacy-muted);
  margin-bottom: 4px;
}
.page-privacy__contact-value {
  font-family: var(--font-data);
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--privacy-heading);
  word-break: break-all;
}

/* ===== 平板及以上 ===== */
@media (min-width: 768px) {
  .page-privacy__hero {
    padding: 128px 0 64px;
  }
  .page-privacy__title {
    font-size: 3.2rem;
  }
  .page-privacy__hero-index-item {
    min-width: 130px;
    padding: 16px 20px;
  }
  .page-privacy__contact {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-privacy__security {
    grid-template-columns: minmax(0, 300px) 1fr;
    gap: 32px;
  }
}

/* ===== 桌面端目录布局 ===== */
@media (min-width: 961px) {
  .page-privacy__layout.container {
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 52px;
    padding-top: 48px;
    padding-bottom: 96px;
    align-items: start;
  }
  .page-privacy__toc-sticky {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    background: var(--privacy-card-bg);
    border: 1px solid var(--privacy-line);
    border-radius: var(--privacy-radius);
    padding: 20px 18px;
    box-shadow: var(--privacy-shadow-sm);
  }
  .page-privacy__toc-nav {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-privacy__toc-link {
    white-space: normal;
    padding: 9px 12px;
    border-radius: 8px;
  }
  .page-privacy__toc-related {
    display: block;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--privacy-line);
  }
  .page-privacy__toc-related-title {
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--privacy-muted);
    margin: 0 0 6px;
  }
  .page-privacy__toc-related-link {
    display: block;
    padding: 7px 12px;
    border-radius: 8px;
    color: var(--privacy-ink);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.2s ease, color 0.2s ease;
  }
  .page-privacy__toc-related-link:hover {
    background: var(--privacy-accent-soft);
    color: var(--privacy-heading);
  }
  .page-privacy__content {
    padding-top: 4px;
  }
}

/* ===== 大屏微调 ===== */
@media (min-width: 1200px) {
  .page-privacy__hero-grid {
    gap: 48px;
  }
  .page-privacy__intro {
    padding: 32px 38px;
  }
  .page-privacy__card {
    padding: 26px 32px;
  }
}