/* ===== 页面基础 ===== */
.page-privacy {
  --pr-c-neon-soft: rgba(0, 255, 170, 0.12);
  --pr-c-orange-soft: rgba(255, 107, 0, 0.10);
  --pr-c-purple-soft: rgba(108, 0, 255, 0.08);
  --pr-border-strong: 3px solid var(--c-primary);
  --pr-hero-pad: 48px;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}
.page-privacy img,
.page-privacy svg {
  display: block;
  max-width: 100%;
  height: auto;
}
.page-privacy h1,
.page-privacy h2,
.page-privacy h3,
.page-privacy p,
.page-privacy ul {
  margin-top: 0;
}
.page-privacy .privacy-section,
.page-privacy .privacy-chapter {
  scroll-margin-top: 96px;
}

/* ===== Hero区 ===== */
.page-privacy .privacy-hero {
  background: var(--c-primary);
  color: var(--c-text-inverse);
  padding: var(--space-3) 0 var(--space-5);
  position: relative;
  overflow: hidden;
}
.page-privacy .privacy-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, var(--c-neon) 0%, var(--c-purple) 55%, var(--c-orange) 100%);
  z-index: 2;
  pointer-events: none;
}
.page-privacy .privacy-hero::after {
  content: '';
  position: absolute;
  right: -60px;
  bottom: -60px;
  width: 240px;
  height: 240px;
  background: var(--c-purple);
  opacity: 0.18;
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  pointer-events: none;
}
.page-privacy .privacy-hero .breadcrumb__link {
  color: rgba(255, 255, 255, 0.7);
}
.page-privacy .privacy-hero .breadcrumb__link[aria-current="page"] {
  color: var(--c-neon);
  font-weight: 700;
}
.page-privacy .privacy-hero .breadcrumb__item + .breadcrumb__item::before {
  color: rgba(255, 255, 255, 0.35);
}
.page-privacy .privacy-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-3);
}
.page-privacy .privacy-hero__content {
  position: relative;
  z-index: 1;
}
.page-privacy .privacy-hero__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-primary);
  background: var(--c-neon);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2);
}
.page-privacy .privacy-hero h1 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--c-text-inverse);
  margin-bottom: var(--space-2);
}
.page-privacy .privacy-hero__lead {
  font-size: var(--text-md);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: var(--space-2);
}
.page-privacy .privacy-hero__meta {
  font-size: var(--text-xs);
  color: var(--c-neon);
  border: 1px solid rgba(0, 255, 170, 0.35);
  border-radius: var(--radius-sm);
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: var(--space-3);
  letter-spacing: 0.04em;
}
.page-privacy .privacy-hero__cta {
  margin-top: 4px;
}
.page-privacy .privacy-hero__media {
  position: relative;
  z-index: 1;
}
.page-privacy .privacy-hero__media::before {
  content: '';
  position: absolute;
  top: -12px;
  left: -12px;
  width: 100%;
  height: 100%;
  background: var(--c-neon);
  clip-path: polygon(0 0, 100% 5%, 95% 100%, 5% 95%);
  z-index: 0;
}
.page-privacy .privacy-hero__img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: var(--border-w, 2px) solid rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}

/* ===== 目录锚点导航 ===== */
.page-privacy .privacy-toc {
  background: var(--c-surface);
  border-bottom: 2px solid var(--c-border);
  padding: var(--space-2) 0;
}
.page-privacy .privacy-toc__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.page-privacy .privacy-toc__label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-light);
  white-space: nowrap;
}
.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.page-privacy .privacy-toc__item a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-sm);
  color: var(--c-primary);
  text-decoration: none;
  padding: 8px 10px;
  background: var(--c-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  transition: all var(--duration) var(--ease);
}
.page-privacy .privacy-toc__item a span {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 800;
  color: var(--c-text-inverse);
  background: var(--c-primary);
  border-radius: var(--radius-full);
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.page-privacy .privacy-toc__item a:hover {
  border-color: var(--c-primary);
  background: var(--c-surface);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

/* ===== 章节通用 ===== */
.page-privacy .privacy-chapter {
  background: var(--c-surface);
  padding: var(--space-4) 0;
}
.page-privacy .privacy-chapter--alt {
  background: var(--c-bg);
}
.page-privacy .privacy-chapter__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}
.page-privacy .privacy-chapter__num {
  font-family: var(--font-heading);
  font-size: 56px;
  font-weight: 900;
  line-height: 0.9;
  color: var(--c-primary);
  opacity: 0.15;
  flex-shrink: 0;
  user-select: none;
}
.page-privacy .privacy-chapter--alt .privacy-chapter__num {
  color: var(--c-primary);
  opacity: 0.22;
}
.page-privacy .privacy-chapter__titles h2 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 900;
  line-height: 1.1;
  color: var(--c-primary);
  margin-bottom: 0;
}
.page-privacy .privacy-chapter__kicker {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text-light);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-privacy .privacy-chapter__kicker::before {
  content: '';
  width: 22px;
  height: 3px;
  background: var(--c-neon);
  flex-shrink: 0;
}
.page-privacy .privacy-chapter__lead {
  font-size: var(--text-md);
  line-height: 1.75;
  color: var(--c-text-light);
  max-width: 760px;
  margin-bottom: var(--space-3);
}

/* ===== 小贴士 ===== */
.page-privacy .privacy-tip {
  margin-top: var(--space-3);
  padding: var(--space-2);
  background: var(--pr-c-neon-soft);
  border-left: 4px solid var(--c-neon);
  border-radius: var(--radius-sm);
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  box-shadow: var(--shadow-sm);
}
.page-privacy .privacy-tip__badge {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--text-xs);
  color: var(--c-primary);
  background: var(--c-neon);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  clip-path: polygon(4px 0, 100% 0, calc(100% - 4px) 100%, 0 100%);
}
.page-privacy .privacy-tip__title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-md);
  color: var(--c-primary);
  margin-bottom: 4px;
}
.page-privacy .privacy-tip p:last-child {
  margin-bottom: 0;
  font-size: var(--text-sm);
  color: var(--c-text);
  line-height: 1.65;
}

/* ===== 第1章 · 数据收集列表 ===== */
.page-privacy .privacy-data {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}
.page-privacy .privacy-data__item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-neon);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.page-privacy .privacy-data__item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.page-privacy .privacy-data__icon {
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  color: var(--c-primary);
  background: var(--c-surface);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--c-silver);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.page-privacy .privacy-data__body h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--c-primary);
  margin-bottom: 4px;
}
.page-privacy .privacy-data__body p {
  font-size: var(--text-sm);
  color: var(--c-text-light);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ===== 第2章 · 使用方式卡片 ===== */
.page-privacy .privacy-usage {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}
.page-privacy .privacy-usage__card {
  position: relative;
  background: var(--c-surface);
  border: 2px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  padding-top: var(--space-4);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--duration) var(--ease);
}
.page-privacy .privacy-usage__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--c-neon), var(--c-purple));
}
.page-privacy .privacy-usage__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.page-privacy .privacy-usage__index {
  position: absolute;
  top: 10px;
  right: 14px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--text-2xl);
  color: var(--c-silver);
  opacity: 0.5;
  line-height: 1;
  user-select: none;
}
.page-privacy .privacy-usage__card h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--c-primary);
  margin-bottom: var(--space-1);
}
.page-privacy .privacy-usage__card p {
  font-size: var(--text-sm);
  color: var(--c-text-light);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ===== 第3章 · 共享与安全 ===== */
.page-privacy .privacy-share__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}
.page-privacy .privacy-share__block {
  background: var(--c-bg);
  border: 2px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
}
.page-privacy .privacy-share__block h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--c-primary);
  margin-bottom: var(--space-2);
  padding-bottom: 6px;
  border-bottom: 3px solid var(--c-neon);
  display: inline-block;
}
.page-privacy .privacy-share__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-1);
}
.page-privacy .privacy-share__list li {
  padding-left: var(--space-2);
  position: relative;
  color: var(--c-text);
  font-size: var(--text-md);
  line-height: 1.65;
}
.page-privacy .privacy-share__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  background: var(--c-neon);
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--c-surface), 0 0 0 3px var(--c-neon);
}
.page-privacy .privacy-share__list strong {
  color: var(--c-primary);
  font-weight: 700;
}
.page-privacy .privacy-share__block--security {
  background: var(--c-primary);
  color: var(--c-text-inverse);
  border: 2px solid transparent;
}
.page-privacy .privacy-share__block--security h3 {
  color: var(--c-text-inverse);
  border-bottom-color: var(--c-neon);
}
.page-privacy .privacy-security__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-privacy .privacy-security__list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 14px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.page-privacy .privacy-security__key {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-md);
  color: var(--c-neon);
  letter-spacing: 0.02em;
}
.page-privacy .privacy-security__desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.55;
}
.page-privacy .privacy-retention {
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-2);
  border: 2px dashed var(--c-silver);
  border-radius: var(--radius-md);
  background: var(--c-surface);
}
.page-privacy .privacy-retention__icon {
  color: var(--c-orange);
  flex-shrink: 0;
}
.page-privacy .privacy-retention h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--c-primary);
  margin-bottom: 4px;
}
.page-privacy .privacy-retention p {
  font-size: var(--text-sm);
  color: var(--c-text-light);
  line-height: 1.65;
  margin-bottom: 0;
}

/* ===== 第4章 · 用户权利 ===== */
.page-privacy .privacy-rights__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}
.page-privacy .privacy-rights__item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  position: relative;
  overflow: hidden;
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.page-privacy .privacy-rights__item::after {
  content: '';
  position: absolute;
  right: -14px;
  top: -14px;
  width: 56px;
  height: 56px;
  background: var(--pr-c-neon-soft);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  pointer-events: none;
}
.page-privacy .privacy-rights__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.page-privacy .privacy-rights__icon {
  display: inline-flex;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  background: var(--c-primary);
  color: var(--c-neon);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-1);
}
.page-privacy .privacy-rights__item h3 {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--text-lg);
  color: var(--c-primary);
  margin-bottom: 6px;
}
.page-privacy .privacy-rights__item p {
  font-size: var(--text-sm);
  color: var(--c-text-light);
  line-height: 1.65;
  margin-bottom: 0;
}
.page-privacy .privacy-rights__item--contact {
  background: var(--c-primary);
  color: var(--c-text-inverse);
  border: none;
}
.page-privacy .privacy-rights__item--contact::after {
  display: none;
}
.page-privacy .privacy-rights__item--contact h3 {
  color: var(--c-text-inverse);
  font-size: var(--text-xl);
  margin-bottom: var(--space-1);
}
.page-privacy .privacy-rights__item--contact p {
  color: rgba(255, 255, 255, 0.82);
}
.page-privacy .privacy-rights__contact-line {
  font-weight: 500;
  font-size: var(--text-md) !important;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--c-text-inverse) !important;
}
.page-privacy .privacy-rights__contact-note {
  font-size: var(--text-xs) !important;
  color: var(--c-neon) !important;
  margin-top: var(--space-1);
  line-height: 1.6;
}
.page-privacy .privacy-rights__item--contact .btn--outline {
  border-color: var(--c-neon);
  color: var(--c-neon);
  margin-top: var(--space-2);
}
.page-privacy .privacy-rights__item--contact .btn--outline:hover {
  background: var(--c-neon);
  color: var(--c-primary);
  border-color: var(--c-neon);
}

/* ===== 底部更多信息 ===== */
.page-privacy .privacy-moreinfo {
  margin-top: var(--space-3);
  padding: var(--space-2);
  text-align: center;
  background: var(--c-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-sm);
  font-size: var(--text-sm);
  color: var(--c-text-light);
}
.page-privacy .privacy-moreinfo a {
  color: var(--c-primary);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-color: var(--c-neon);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
  transition: color var(--duration) var(--ease);
}
.page-privacy .privacy-moreinfo a:hover {
  color: var(--c-orange);
}
.page-privacy .privacy-moreinfo p {
  margin-bottom: 0;
}

/* ===== 平板及以上 ===== */
@media (min-width: 768px) {
  .page-privacy .privacy-hero {
    padding: var(--space-4) 0 var(--space-6);
  }
  .page-privacy .privacy-hero__grid {
    grid-template-columns: 7fr 5fr;
    gap: var(--space-5);
    align-items: center;
    margin-top: var(--space-4);
  }
  .page-privacy .privacy-hero h1 {
    font-size: var(--text-3xl);
  }
  .page-privacy .privacy-hero__lead {
    font-size: var(--text-lg);
  }
  .page-privacy .privacy-toc {
    padding: var(--space-2) 0;
  }
  .page-privacy .privacy-toc__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
  }
  .page-privacy .privacy-toc__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-1);
  }
  .page-privacy .privacy-toc__item a {
    background: transparent;
    padding: 10px 16px;
    border: 2px solid transparent;
  }
  .page-privacy .privacy-toc__item a:hover {
    background: var(--c-bg);
    border-color: var(--c-primary);
    transform: none;
  }
  .page-privacy .privacy-chapter {
    padding: var(--space-5) 0;
  }
  .page-privacy .privacy-chapter__header {
    align-items: center;
    gap: var(--space-3);
  }
  .page-privacy .privacy-chapter__num {
    font-size: 72px;
  }
  .page-privacy .privacy-chapter__lead {
    font-size: var(--text-lg);
  }
  .page-privacy .privacy-data {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
  .page-privacy .privacy-data__item {
    padding: var(--space-3);
  }
  .page-privacy .privacy-usage {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
  }
  .page-privacy .privacy-share__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
  .page-privacy .privacy-retention {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-3);
  }
  .page-privacy .privacy-rights__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
  }
  .page-privacy .privacy-rights__item--contact {
    grid-column: span 3;
  }
  .page-privacy .privacy-rights__item--contact > div {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
    align-items: start;
  }
  .page-privacy .privacy-rights__item--contact h3 {
    grid-column: span 2;
  }
  .page-privacy .privacy-rights__item--contact .btn--outline {
    grid-column: span 2;
    justify-self: start;
    margin-top: var(--space-1);
  }
}

/* ===== 桌面端 ===== */
@media (min-width: 1024px) {
  .page-privacy .privacy-hero__grid {
    gap: var(--space-6);
  }
  .page-privacy .privacy-chapter__lead {
    margin-bottom: var(--space-4);
  }
  .page-privacy .privacy-data {
    gap: var(--space-3);
  }
  .page-privacy .privacy-usage {
    gap: var(--space-3);
  }
  .page-privacy .privacy-rights__grid {
    gap: var(--space-3);
  }
  .page-privacy .privacy-tip {
    padding: var(--space-3);
  }
}