/* =========================================
   页面：数据与隐私（page-privacy）
   条款分隔文档式布局 + 章节色带
   ========================================= */
.page-privacy {
  --pp-rule: rgba(230, 230, 230, 0.14);
  --pp-grid-panel: rgba(0, 229, 255, 0.025);
  --pp-num-size: clamp(3rem, 7vw, 5.4rem);
  --pp-section-pad: clamp(2rem, 5vw, 3.8rem) 0;
}

/* --- 面包屑 --- */
.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 1.4rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-muted);
}

/* --- 首屏 --- */
.pp-hero {
  padding: 0.5rem 0 clamp(2rem, 5vw, 3rem);
}
.pp-hero__grid {
  display: grid;
  gap: 1.6rem;
}
.pp-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin: 0 0 0.9rem;
}
.pp-hero__eyebrow::before {
  content: "";
  width: 2.4rem;
  height: 1px;
  background: linear-gradient(90deg, var(--color-cyan), transparent);
}
.page-privacy h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 4.8vw, 3.1rem);
  line-height: 1.06;
  letter-spacing: 0.02em;
  margin: 0 0 1rem;
  color: var(--color-text);
}
.pp-hero__lead {
  max-width: 48em;
  margin: 0;
  font-size: clamp(0.96rem, 1.4vw, 1.08rem);
  line-height: 1.9;
  color: var(--color-muted);
}
.pp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}
.pp-hero__visual {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}
.pp-hero__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.pp-hero__visual-note {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 0.45rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--color-cyan);
  background: rgba(19, 31, 54, 0.85);
  border-top: 1px solid rgba(0, 229, 255, 0.22);
  border-right: 1px solid rgba(0, 229, 255, 0.22);
  border-radius: 0 var(--radius) 0 0;
}

/* --- 条款索引 --- */
.pp-toc {
  display: grid;
  gap: 1rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius);
  background: rgba(230, 230, 230, 0.03);
  padding: 1.1rem 1.2rem;
}
.pp-toc__heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--pp-rule);
  padding-bottom: 0.8rem;
}
.pp-toc__label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-cyan);
}
.pp-toc__meta {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--color-muted);
}
.pp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3rem;
}
.pp-toc__list a {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.7rem;
  border-radius: var(--radius);
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.92rem;
  transition: background var(--tr-fast), color var(--tr-fast);
}
.pp-toc__list a::before {
  content: "→";
  font-family: var(--font-mono);
  color: var(--color-orange);
  font-size: 0.9rem;
}
.pp-toc__list a:hover,
.pp-toc__list a:focus-visible {
  background: rgba(0, 229, 255, 0.07);
  color: var(--color-cyan);
}

/* --- 章节骨架 --- */
.pp-section {
  border-top: 1px solid var(--pp-rule);
  padding: var(--pp-section-pad);
  scroll-margin-top: 130px;
}
.pp-section--alt {
  background:
    linear-gradient(rgba(230, 230, 230, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(230, 230, 230, 0.03) 1px, transparent 1px),
    var(--pp-grid-panel);
  background-size: 28px 28px;
}
.pp-section__inner {
  display: grid;
  gap: 1.2rem;
}
.pp-section__aside {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}
.pp-section__num {
  font-family: var(--font-heading);
  font-size: var(--pp-num-size);
  line-height: 1;
  color: var(--color-cyan);
  letter-spacing: 0.02em;
}
.pp-section__tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-muted);
  border: 1px solid var(--pp-rule);
  padding: 0.22rem 0.55rem;
  border-radius: 2px;
}
.pp-section__main h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.45rem, 2.8vw, 2.05rem);
  line-height: 1.15;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}
.pp-section__lead {
  margin: 0 0 1.5rem;
  max-width: 40em;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--color-muted);
}
.pp-section:target {
  box-shadow: inset 3px 0 0 0 var(--color-cyan);
}
.pp-section:target .pp-section__inner {
  animation: pp-focus-in 0.7s ease;
}
@keyframes pp-focus-in {
  from { transform: translateY(6px); opacity: 0.7; }
  to { transform: translateY(0); opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .pp-section:target .pp-section__inner {
    animation: none;
  }
}

/* --- 收集卡片 --- */
.pp-collect-grid,
.pp-log-grid {
  display: grid;
  gap: 1rem;
}
.pp-collect-card {
  padding: 1.25rem 1.3rem;
  background: rgba(19, 31, 54, 0.4);
}
.pp-collect-card .card__title {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin-bottom: 0.45rem;
}
.pp-collect-card .card__desc {
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--color-muted);
}

/* --- 注释卡片 --- */
.pp-note-card {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.1rem;
  padding: 1rem 1.1rem;
  border: 1px dashed rgba(255, 209, 102, 0.42);
  border-radius: var(--radius);
  background: rgba(255, 209, 102, 0.045);
}
.pp-note-card p {
  flex: 1;
  min-width: 16rem;
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--color-muted);
}

/* --- 使用目的列表 --- */
.pp-purpose-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}
.pp-purpose-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius);
  background: rgba(230, 230, 230, 0.02);
}
.pp-purpose-list__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--color-orange);
  width: 1.4rem;
  flex-shrink: 0;
  padding-top: 0.1rem;
}
.pp-purpose-list h3 {
  font-family: var(--font-heading);
  font-size: 0.94rem;
  letter-spacing: 0.03em;
  margin: 0 0 0.35rem;
  color: var(--color-text);
}
.pp-purpose-list p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--color-muted);
}

/* --- 营销授权 --- */
.pp-marketing-layout {
  display: grid;
  gap: 1rem;
}
.pp-marketing-layout__main,
.pp-marketing-layout__side {
  padding: 1.3rem 1.35rem;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius);
  background: rgba(230, 230, 230, 0.025);
}
.pp-marketing-layout__side {
  border-top: 2px solid var(--color-orange);
}
.pp-marketing-layout h3 {
  font-family: var(--font-heading);
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  color: var(--color-text);
  margin: 0 0 0.85rem;
}
.pp-check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}
.pp-check-list li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.87rem;
  line-height: 1.65;
  color: var(--color-muted);
}
.pp-check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.48rem;
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 1px;
  background: var(--color-cyan);
  transform: rotate(45deg);
}
.pp-marketing-layout__note {
  margin: 1rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--pp-rule);
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--color-muted);
}

/* --- 日志项 --- */
.pp-log-item {
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius);
  background: rgba(19, 31, 54, 0.35);
  display: grid;
  gap: 0.55rem;
}
.pp-log-item__head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.pp-log-item__icon {
  display: inline-grid;
  place-items: center;
  width: 1.8rem;
  height: 1.8rem;
  border-radius: 4px;
  background: rgba(0, 229, 255, 0.08);
  color: var(--color-cyan);
}
.pp-log-item h3 {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  margin: 0;
  color: var(--color-text);
}
.pp-log-item p {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--color-muted);
}
.pp-cookie-note {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 1.1rem;
  padding: 0.95rem 1.05rem;
  border: 1px solid rgba(255, 107, 53, 0.3);
  border-radius: var(--radius);
  background: rgba(255, 107, 53, 0.05);
}
.pp-cookie-note p {
  flex: 1;
  min-width: 16rem;
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--color-muted);
}

/* --- 用户权利 --- */
.pp-rights-grid {
  display: grid;
  gap: 0.85rem;
}
.pp-rights-item {
  position: relative;
  padding: 1.1rem 1.15rem 1.1rem 1.9rem;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius);
  background: rgba(230, 230, 230, 0.02);
  transition: border-color var(--tr-fast), background var(--tr-fast);
}
.pp-rights-item:hover {
  border-color: rgba(0, 229, 255, 0.42);
  background: rgba(0, 229, 255, 0.04);
}
.pp-rights-item__num {
  position: absolute;
  left: 0.7rem;
  top: 1.05rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--color-cyan);
}
.pp-rights-item h3 {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  letter-spacing: 0.03em;
  margin: 0 0 0.4rem;
  color: var(--color-text);
}
.pp-rights-item p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--color-muted);
}
.pp-detail {
  margin-top: 1rem;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius);
  background: rgba(19, 31, 54, 0.5);
  overflow: hidden;
}
.pp-detail summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  color: var(--color-text);
}
.pp-detail summary::-webkit-details-marker {
  display: none;
}
.pp-detail summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1;
  color: var(--color-cyan);
  transition: transform var(--tr-fast);
}
.pp-detail[open] summary::after {
  content: "−";
}
.pp-detail p {
  margin: 0;
  padding: 0 1.1rem 1rem;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--color-muted);
}

/* --- 政策版本 --- */
.pp-version {
  display: grid;
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}
.pp-version__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.8rem 1rem;
  align-items: start;
  padding: 1.05rem 1.15rem;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius);
  background: rgba(230, 230, 230, 0.02);
}
.pp-version__item--current {
  border-color: rgba(255, 209, 102, 0.4);
  background: rgba(255, 209, 102, 0.05);
}
.pp-version__ver {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  white-space: nowrap;
  color: var(--color-cyan);
  border: 1px solid rgba(0, 229, 255, 0.22);
  background: rgba(0, 229, 255, 0.08);
  padding: 0.22rem 0.55rem;
  border-radius: 3px;
}
.pp-version__info h3 {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  margin: 0 0 0.35rem;
  color: var(--color-text);
}
.pp-version__info p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--color-muted);
}

/* --- 帮助区块 --- */
.pp-help {
  padding: clamp(2rem, 5vw, 4rem) 0;
}
.pp-help__inner {
  position: relative;
  overflow: hidden;
  padding: 1.8rem 1.5rem;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.07), rgba(255, 107, 53, 0.05));
}
.pp-help__inner::after {
  content: "";
  position: absolute;
  right: -4rem;
  top: -4rem;
  width: 10rem;
  height: 10rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 229, 255, 0.08), transparent 70%);
}
.pp-help__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-orange);
  display: block;
  margin-bottom: 0.6rem;
}
.pp-help__inner h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.4vw, 1.7rem);
  margin: 0 0 0.5rem;
  color: var(--color-text);
}
.pp-help__inner > p {
  margin: 0 0 1.2rem;
  max-width: 34em;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-muted);
}
.pp-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  position: relative;
  z-index: 1;
}
.pp-help__note {
  display: inline-block;
  margin-top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--color-muted);
}

/* --- 相关卡片 --- */
.pp-related {
  padding: 0 0 clamp(2.5rem, 6vw, 4rem);
}
.pp-related .section-head {
  margin-bottom: 1.4rem;
}
.pp-link-card {
  display: grid;
  gap: 0.35rem;
  padding: 1.25rem 1.3rem;
  text-decoration: none;
  transition: transform var(--tr), border-color var(--tr);
}
.pp-link-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 255, 0.42);
}
.pp-link-card__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-orange);
}
.pp-link-card h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.02em;
  margin: 0.1rem 0 0.2rem;
  color: var(--color-text);
}
.pp-link-card p {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--color-muted);
}

/* --- 响应式：平板 --- */
@media (min-width: 768px) {
  .pp-toc__list {
    grid-template-columns: repeat(2, 1fr);
  }
  .pp-section__inner {
    grid-template-columns: 180px 1fr;
    gap: 2rem;
  }
  .pp-section__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }
  .pp-collect-grid,
  .pp-log-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pp-marketing-layout {
    grid-template-columns: 1fr 1fr;
  }
  .pp-rights-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pp-help__inner {
    padding: 2.2rem 2.2rem;
  }
}

/* --- 响应式：桌面 --- */
@media (min-width: 1024px) {
  .pp-toc__list {
    grid-template-columns: repeat(3, 1fr);
  }
  .pp-section__inner {
    grid-template-columns: 220px 1fr;
    gap: 3rem;
  }
  .pp-rights-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .pp-version__item {
    grid-template-columns: 90px 1fr;
  }
}