/* ===== 隐私中心 · 页面专属样式 ===== */

.page-privacy {
  --rail-w: 168px;
  --rule: rgba(31, 76, 65, 0.55);
  --panel-tint: rgba(18, 54, 48, 0.62);
  position: relative;
  isolation: isolate;
  background-color: var(--ink-abyss);
  color: var(--text);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(59, 242, 200, 0.042) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(59, 242, 200, 0.042) 1px, transparent 1px);
  background-size: 64px 64px;
}

/* --- 页头 --- */

.page-privacy .privacy-head {
  padding: clamp(26px, 5vw, 58px) 0 clamp(20px, 3vw, 30px);
}

.page-privacy .privacy-head .breadcrumbs {
  margin: 0 0 20px;
}

.page-privacy .privacy-title {
  margin: 12px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-privacy .privacy-lede {
  margin: 20px 0 0;
  max-width: 620px;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--muted);
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

/* --- 顶部横幅 --- */

.page-privacy .privacy-banner {
  margin: 0 0 clamp(34px, 6vw, 68px);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

/* --- 主体骨架 --- */

.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-privacy .privacy-content {
  min-width: 0;
  max-width: 760px;
}

/* --- 左侧章节刻度 --- */

.page-privacy .privacy-rail {
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--rule);
}

.page-privacy .privacy-rail-label {
  display: none;
  margin: 0 0 10px;
}

.page-privacy .privacy-rail-list {
  display: flex;
  gap: 6px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-rail-link {
  display: block;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  border-bottom: 2px solid transparent;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.page-privacy .privacy-rail-link:hover,
.page-privacy .privacy-rail-link:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
  background-color: rgba(59, 242, 200, 0.08);
}

/* --- 章节 --- */

.page-privacy .privacy-section {
  padding: clamp(24px, 3.6vw, 38px) 0;
  border-top: 1px solid var(--rule);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-privacy .privacy-content > .privacy-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
}

.page-privacy .privacy-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--neon);
}

.page-privacy .privacy-section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.16;
  letter-spacing: 0.004em;
  color: var(--text);
  transition: color 200ms ease;
}

.page-privacy .privacy-section:target .privacy-section-title {
  color: var(--neon);
}

.page-privacy .privacy-summary {
  margin: 0 0 20px;
  max-width: 620px;
  font-size: clamp(15.5px, 1.8vw, 17.5px);
  line-height: 1.76;
  color: var(--mist);
}

.page-privacy .privacy-body-text {
  margin: 16px 0 0;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-privacy .privacy-sub-title {
  margin: 26px 0 12px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* --- 双列 / 三列信息块 --- */

.page-privacy .privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-privacy .privacy-block {
  padding: 18px;
  border: 1px solid rgba(31, 76, 65, 0.7);
  border-radius: var(--radius-md);
  background-color: var(--panel-tint);
  transition: border-color 180ms ease, transform 180ms ease, background-color 180ms ease;
}

.page-privacy .privacy-block:hover {
  border-color: rgba(59, 242, 200, 0.5);
  background-color: rgba(18, 54, 48, 0.84);
  transform: translateY(-2px);
}

.page-privacy .privacy-block-title {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-privacy .privacy-block-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

/* --- 要点清单 --- */

.page-privacy .privacy-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-privacy .privacy-list li:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 11px;
  height: 11px;
  border: 1.5px solid var(--neon);
  border-radius: 3px;
  background-color: rgba(59, 242, 200, 0.07);
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.page-privacy .privacy-list li:hover::before {
  border-color: var(--mist);
  background-color: rgba(59, 242, 200, 0.22);
  transform: scale(1.1);
}

.page-privacy .privacy-list--wide {
  margin-top: 4px;
  max-width: 640px;
}

.page-privacy .privacy-list--wide li {
  margin-bottom: 12px;
}

.page-privacy .privacy-key {
  display: inline-block;
  margin-right: 6px;
  padding: 2px 7px;
  border: 1px solid rgba(59, 242, 200, 0.4);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--neon);
}

/* --- 保留期限清单 --- */

.page-privacy .privacy-term-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.page-privacy .privacy-term-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
}

.page-privacy .privacy-term-key {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--neon);
}

.page-privacy .privacy-term-val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

/* --- 权利操作面板 --- */

.page-privacy .privacy-ops {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-privacy .privacy-op {
  display: block;
  padding: 16px;
  border: 1px solid rgba(31, 76, 65, 0.7);
  border-radius: var(--radius-md);
  background-color: rgba(11, 36, 29, 0.72);
  transition: border-color 180ms ease, transform 180ms ease;
}

.page-privacy .privacy-op:hover {
  border-color: rgba(59, 242, 200, 0.5);
  transform: translateY(-2px);
}

.page-privacy .privacy-op-tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 9px;
  border: 1px solid rgba(59, 242, 200, 0.45);
  border-radius: 999px;
  background-color: rgba(59, 242, 200, 0.12);
  font-size: 12px;
  font-weight: 600;
  color: var(--neon);
  white-space: nowrap;
}

.page-privacy .privacy-op p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.68;
  color: var(--text);
}

/* --- 联系信息 --- */

.page-privacy .privacy-contact-card {
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid rgba(59, 242, 200, 0.32);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(18, 54, 48, 0.92), rgba(11, 36, 29, 0.94));
}

.page-privacy .privacy-contact-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-contact-list li {
  display: grid;
  gap: 4px;
}

.page-privacy .privacy-contact-key {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-privacy .privacy-contact-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--neon);
  word-break: break-word;
}

.page-privacy .privacy-contact-val--text {
  font-family: var(--font-body);
  font-variant-numeric: normal;
  font-size: 15px;
  color: var(--text);
}

/* --- 页脚说明与链接 --- */

.page-privacy .privacy-footnote {
  margin: 40px 0 0;
  padding-top: 20px;
  max-width: 620px;
  border-top: 1px solid var(--rule);
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .privacy-link {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 242, 200, 0.42);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-privacy .privacy-link:hover {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

.page-privacy a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  border-radius: 2px;
}

/* --- 响应式 --- */

@media (min-width: 640px) {
  .page-privacy .privacy-term-list li {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-privacy .privacy-contact-list li {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-privacy .privacy-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-ops {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-body {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 64px);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    overflow: visible;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-privacy .privacy-rail-label {
    display: block;
  }

  .page-privacy .privacy-rail-list {
    flex-direction: column;
    gap: 2px;
    margin: 0;
    padding: 0;
  }

  .page-privacy .privacy-rail-link {
    border-bottom: 0;
    border-left: 2px solid transparent;
    white-space: normal;
  }

  .page-privacy .privacy-rail-link:hover,
  .page-privacy .privacy-rail-link:focus-visible {
    border-bottom-color: transparent;
    border-left-color: var(--neon);
  }
}

@media (min-width: 1040px) {
  .page-privacy .privacy-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .page-privacy .privacy-block,
  .page-privacy .privacy-op {
    padding: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-block,
  .page-privacy .privacy-op,
  .page-privacy .privacy-list li::before,
  .page-privacy .privacy-rail-link,
  .page-privacy .privacy-link {
    transition: none;
  }

  .page-privacy .privacy-block:hover,
  .page-privacy .privacy-op:hover {
    transform: none;
  }
}