/* ===== 页面专属样式：.page-privacy ===== */
.page-privacy {
  --privacy-line-alpha: 0.28;
  --privacy-bg-soft: rgba(18, 41, 74, 0.55);
  --privacy-bg-card: rgba(11, 29, 58, 0.55);
  --privacy-line: rgba(192, 200, 208, var(--privacy-line-alpha));
  --privacy-accent-soft: rgba(255, 107, 53, 0.1);
}

/* 面包屑间距微调 */
.page-privacy .breadcrumb {
  margin-bottom: 1.5rem;
}

/* ===== 英雄区 ===== */
.page-privacy .privacy-hero {
  position: relative;
  padding-top: 0.5rem;
}

.page-privacy .privacy-hero__row {
  display: grid;
  gap: 1.25rem;
  align-items: start;
}

.page-privacy .privacy-hero__content h1 {
  margin: 0.9rem 0 1.1rem;
  font-size: clamp(1.7rem, 4vw, 3rem);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--color-light);
}

.page-privacy .privacy-hero__lead {
  margin: 0 0 1.3rem;
  max-width: 62ch;
  color: var(--color-light);
  opacity: 0.78;
  line-height: 1.85;
  font-size: 0.98rem;
  text-align: justify;
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-privacy .privacy-hero__meta .badge {
  background: var(--privacy-bg-soft);
  border: var(--privacy-line);
  border-radius: 999px;
  padding: 0.35rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--color-light);
  opacity: 0.85;
}

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

.page-privacy .privacy-hero__emblem svg {
  width: 8.5rem;
  height: auto;
}

.page-privacy .privacy-hero__banner {
  margin: 1.8rem 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--privacy-line);
  position: relative;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.12) 0%, transparent 55%);
}

.page-privacy .privacy-hero__banner::after {
  content: "ENCRYPTED / STORED";
  position: absolute;
  right: 1rem;
  bottom: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: rgba(242, 244, 248, 0.5);
  pointer-events: none;
}

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

/* ===== 布局 ===== */
.page-privacy .privacy-layout {
  display: grid;
  gap: 2rem;
  margin-top: 2.75rem;
}

/* ===== 目录导航 ===== */
.page-privacy .privacy-toc__card {
  background: linear-gradient(180deg, var(--color-secondary) 0%, rgba(18, 41, 74, 0.88) 100%);
  border: var(--privacy-line);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  box-shadow: var(--shadow-sm);
}

.page-privacy .privacy-toc__label {
  margin: 0 0 0.9rem;
  padding-bottom: 0.7rem;
  border-bottom: var(--privacy-line);
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.page-privacy .privacy-toc__label::before {
  content: "";
  width: 1.2rem;
  height: 2px;
  background: var(--color-accent);
  flex: 0 0 auto;
}

.page-privacy .privacy-toc__nav {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.25rem;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-toc__nav a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  border: 1px solid rgba(192, 200, 208, 0.28);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--color-light);
  opacity: 0.8;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
}

.page-privacy .privacy-toc__nav a:hover,
.page-privacy .privacy-toc__nav a:focus-visible {
  opacity: 1;
  background: var(--privacy-accent-soft);
  border-color: rgba(255, 107, 53, 0.55);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-accent);
  opacity: 0.9;
}

.page-privacy .privacy-toc__status {
  margin-top: 1rem;
  padding-top: 0.9rem;
  border-top: var(--privacy-line);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-light);
  opacity: 0.7;
}

/* ===== 正文文档 ===== */
.page-privacy .privacy-doc {
  min-width: 0;
  position: relative;
}

.page-privacy .privacy-sec {
  padding: 2.4rem 0;
  border-bottom: var(--privacy-line);
  scroll-margin-top: 5rem;
}

.page-privacy .privacy-sec:first-of-type {
  padding-top: 0;
}

.page-privacy .privacy-sec:last-of-type {
  border-bottom: 0;
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  margin-bottom: 1.3rem;
}

.page-privacy .privacy-sec__num {
  min-width: 3.4rem;
  font-family: var(--font-mono);
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.07em;
  color: var(--color-accent);
  -webkit-text-stroke: 1.5px var(--color-accent);
  -webkit-text-fill-color: transparent;
}

.page-privacy .privacy-sec__head h2 {
  margin: 0;
  font-size: clamp(1.3rem, 2.8vw, 1.85rem);
  font-weight: 800;
  color: var(--color-light);
}

.page-privacy .privacy-sec__lead {
  margin: 0 0 1.1rem;
  color: var(--color-light);
  opacity: 0.78;
  line-height: 1.88;
  font-size: 0.95rem;
  max-width: 70ch;
  text-align: justify;
}

.page-privacy .privacy-sec__para {
  margin: 0 0 1.2rem;
  text-indent: 2em;
  color: var(--color-light);
  opacity: 0.68;
  line-height: 1.9;
  font-size: 0.94rem;
  max-width: 70ch;
  text-align: justify;
}

.page-privacy .privacy-sec__note {
  margin: 1.4rem 0 0;
  padding: 0.85rem 1.05rem;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--privacy-accent-soft);
  color: var(--color-light);
  opacity: 0.75;
  line-height: 1.8;
  font-size: 0.88rem;
}

.page-privacy .privacy-sec__note a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.page-privacy .privacy-sec__note a:hover {
  color: var(--color-accent-2);
}

.page-privacy .privacy-sec:target .privacy-sec__head h2 {
  color: var(--color-accent);
}

/* ===== 数据收集列表 ===== */
.page-privacy .privacy-datalist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
}

.page-privacy .privacy-datalist__item {
  display: grid;
  grid-template-columns: 6rem 1fr;
  gap: 0.4rem 1rem;
  padding: 0.95rem 1.05rem;
  background: var(--privacy-bg-soft);
  border: var(--privacy-line);
  border-radius: var(--radius);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-privacy .privacy-datalist__item:hover {
  border-color: rgba(255, 107, 53, 0.45);
}

.page-privacy .privacy-datalist__item dt {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-accent);
  padding-top: 0.1rem;
}

.page-privacy .privacy-datalist__item dd {
  margin: 0;
  color: var(--color-light);
  opacity: 0.72;
  line-height: 1.8;
  font-size: 0.9rem;
  text-align: justify;
}

/* ===== 使用目的列表 ===== */
.page-privacy .privacy-purposelist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-purposelist > li {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.1rem 0;
  border-bottom: 1px dashed var(--privacy-line);
}

.page-privacy .privacy-purposelist > li:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-purposelist__num {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-accent);
  opacity: 0.85;
}

.page-privacy .privacy-purposelist h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-light);
}

.page-privacy .privacy-purposelist p {
  margin: 0;
  color: var(--color-light);
  opacity: 0.68;
  line-height: 1.82;
  font-size: 0.91rem;
  max-width: 66ch;
  text-align: justify;
}

/* ===== 加密盾牌 ===== */
.page-privacy .privacy-shield {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
  align-items: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, var(--privacy-bg-card) 0%, rgba(18, 41, 74, 0.6) 100%);
  border: var(--privacy-line);
  border-radius: var(--radius-lg);
  transition: box-shadow 0.3s ease;
}

.page-privacy .privacy-shield:hover {
  box-shadow: var(--shadow-md);
}

.page-privacy .privacy-shield__icon {
  width: 7rem;
  height: auto;
  justify-self: center;
}

.page-privacy .privacy-shield__body h3 {
  margin: 0 0 0.85rem;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--color-light);
}

.page-privacy .privacy-shield__body ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-privacy .privacy-shield__body li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--color-light);
  opacity: 0.72;
  line-height: 1.78;
  font-size: 0.91rem;
  text-align: justify;
}

.page-privacy .privacy-shield__body li::before {
  content: "";
  position: absolute;
  left: 0.1rem;
  top: 0.72em;
  width: 0.42rem;
  height: 0.42rem;
  background: var(--color-accent);
  transform: rotate(45deg);
}

/* ===== 重要提醒 ===== */
.page-privacy .privacy-alert {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: 1.4rem;
  padding: 1.15rem 1.25rem;
  background: linear-gradient(90deg, rgba(255, 107, 53, 0.16) 0%, rgba(255, 107, 53, 0.05) 100%);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-privacy .privacy-alert__label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-accent);
}

.page-privacy .privacy-alert p {
  margin: 0;
  color: var(--color-light);
  opacity: 0.75;
  line-height: 1.82;
  font-size: 0.9rem;
  max-width: 64ch;
  text-align: justify;
}

/* ===== 用户权利折叠 ===== */
.page-privacy .privacy-collapse {
  margin-bottom: 0.7rem;
  border: var(--privacy-line);
  border-radius: var(--radius);
  background: var(--privacy-bg-soft);
  overflow: hidden;
}

.page-privacy .privacy-collapse summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  padding: 0.95rem 1.15rem;
  cursor: pointer;
  font-weight: 700;
  font-size: 0.97rem;
  color: var(--color-light);
  transition: background-color 0.25s ease;
}

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

.page-privacy .privacy-collapse summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--color-accent);
  font-weight: 400;
  transition: transform 0.2s ease;
}

.page-privacy .privacy-collapse[open] summary::before {
  content: "−";
}

.page-privacy .privacy-collapse summary:hover,
.page-privacy .privacy-collapse summary:focus-visible {
  background: var(--privacy-accent-soft);
}

.page-privacy .privacy-collapse[open] summary {
  border-bottom: var(--privacy-line);
}

.page-privacy .privacy-collapse p {
  margin: 0;
  padding: 0.9rem 1.15rem 1.15rem;
  color: var(--color-light);
  opacity: 0.7;
  line-height: 1.82;
  font-size: 0.9rem;
  text-align: justify;
}

/* ===== 政策更新列表 ===== */
.page-privacy .privacy-updatelist {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: update-counter;
}

.page-privacy .privacy-updatelist li {
  position: relative;
  counter-increment: update-counter;
  padding: 0.75rem 0 0.75rem 2.2rem;
  border-bottom: 1px dashed var(--privacy-line);
  color: var(--color-light);
  opacity: 0.72;
  line-height: 1.82;
  font-size: 0.91rem;
  text-align: justify;
}

.page-privacy .privacy-updatelist li:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-updatelist li::before {
  content: counter(update-counter, decimal-leading-zero);
  position: absolute;
  left: 0.1rem;
  top: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--color-accent);
}

/* ===== 备案与行动区 ===== */
.page-privacy .privacy-legal {
  margin-top: 2.5rem;
  padding: 2rem 1.4rem;
  background: linear-gradient(135deg, var(--color-secondary) 0%, rgba(11, 29, 58, 0.92) 100%);
  border: 1px solid rgba(255, 107, 53, 0.35);
  border-radius: var(--radius-lg);
  text-align: center;
}

.page-privacy .privacy-legal__badge {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.page-privacy .privacy-legal__icp {
  display: inline-block;
  padding: 0.38rem 1rem;
  border: 1px solid rgba(255, 107, 53, 0.55);
  border-radius: 999px;
  background: var(--privacy-accent-soft);
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.page-privacy .privacy-legal p {
  margin: 0 auto 1.5rem;
  max-width: 58ch;
  color: var(--color-light);
  opacity: 0.72;
  line-height: 1.85;
  font-size: 0.93rem;
  text-align: center;
}

.page-privacy .privacy-legal__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

/* ===== 中等屏幕以上 ===== */
@media (min-width: 700px) {
  .page-privacy .privacy-alert {
    flex-direction: row;
    align-items: flex-start;
  }

  .page-privacy .privacy-alert__label {
    padding-top: 0.1rem;
  }
}

/* ===== 桌面端 ===== */
@media (min-width: 1024px) {
  .page-privacy .privacy-hero__row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-privacy .privacy-hero__emblem {
    display: block;
    justify-self: end;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 2rem;
  }

  .page-privacy .privacy-toc__nav {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-toc__nav a {
    padding: 0.55rem 0.5rem;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 4px;
    font-size: 0.95rem;
    justify-content: flex-start;
  }

  .page-privacy .privacy-toc__nav a:hover,
  .page-privacy .privacy-toc__nav a:focus-visible {
    border-left-color: var(--color-accent);
    transform: translateX(4px);
  }

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

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

  .page-privacy .privacy-doc::before {
    content: "DATA PRIVACY / BIFA SPORT";
    position: absolute;
    top: 0;
    right: 0;
    z-index: 0;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.42em;
    color: rgba(192, 200, 208, 0.15);
    writing-mode: vertical-rl;
    pointer-events: none;
  }
}