.page-privacy {
  position: relative;
  background: var(--sand);
  color: var(--ink);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(199, 205, 212, 0.3) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(199, 205, 212, 0.3) 1px, transparent 1px);
  background-size: 96px 96px;
  pointer-events: none;
}

.page-privacy > * {
  position: relative;
}

/* ---------- 顶部进度条 ---------- */
.page-privacy .privacy-progress {
  height: 4px;
  background: var(--sand-deep);
  overflow: hidden;
}

.page-privacy .privacy-progress span {
  display: block;
  height: 100%;
  width: 100%;
  background: var(--lime);
  transform-origin: 0 50%;
  transform: scaleX(0.1);
}

@keyframes privacy-bar-fill {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

@supports (animation-timeline: scroll()) {
  .page-privacy .privacy-progress span {
    animation-name: privacy-bar-fill;
    animation-duration: 1s;
    animation-timing-function: linear;
    animation-fill-mode: both;
    animation-timeline: scroll(root block);
  }
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding: clamp(22px, 4vw, 40px) 0 clamp(28px, 4vw, 44px);
}

.page-privacy .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-privacy .privacy-h1 {
  margin: 10px 0 0;
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.012em;
  max-width: 24ch;
}

.page-privacy .privacy-lede {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 40em;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-privacy .privacy-banner {
  margin-top: clamp(24px, 4vw, 42px);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

/* ---------- 条款目录 ---------- */
.page-privacy .privacy-toc {
  border-top: 2px solid var(--clay);
  padding-top: clamp(18px, 3vw, 26px);
  margin-bottom: clamp(4px, 1.5vw, 12px);
}

.page-privacy .privacy-toc-title {
  margin: 0;
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--clay);
  text-transform: none;
}

.page-privacy .privacy-toc-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-privacy .privacy-toc-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 4px;
  color: var(--ink);
  text-decoration: none;
  font-size: var(--fs-sm);
  line-height: 1.6;
  border-bottom: 1px dotted rgba(106, 88, 80, 0.35);
  transition: color 180ms ease, padding-left 180ms ease, background-color 180ms ease;
}

.page-privacy .privacy-toc-list a:hover,
.page-privacy .privacy-toc-list a:focus-visible {
  color: var(--clay);
  padding-left: 12px;
  background: rgba(200, 255, 61, 0.14);
}

.page-privacy .toc-num {
  flex: 0 0 auto;
  color: var(--clay-light);
  font-weight: 700;
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: clamp(30px, 5vw, 54px) 0;
  border-top: 1px solid var(--silver);
  scroll-margin-top: 96px;
}

.page-privacy .privacy-body .privacy-section:first-child {
  border-top: 2px solid var(--clay);
}

.page-privacy .section-index {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--clay-light);
  align-self: start;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--clay-light);
  width: max-content;
}

.page-privacy .section-content {
  min-width: 0;
}

.page-privacy .section-content h2 {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.008em;
  max-width: 26ch;
}

.page-privacy .privacy-section:target {
  background: linear-gradient(90deg, rgba(200, 255, 61, 0.2), rgba(200, 255, 61, 0) 60%);
  box-shadow: inset 3px 0 0 var(--lime-deep);
}

.page-privacy .privacy-section:target .section-content h2 {
  color: var(--clay);
}

.page-privacy .privacy-p {
  max-width: 40em;
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.9;
  color: var(--ink-soft);
}

/* ---------- 条款条目 ---------- */
.page-privacy .clause-list {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .clause-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding: 15px 18px;
  background: rgba(255, 255, 255, 0.66);
  border-left: 3px solid var(--clay-light);
  border-radius: var(--r-sm);
}

.page-privacy .clause-item dt {
  font-size: var(--fs-sm);
  font-weight: 700;
  line-height: 1.6;
  color: var(--ink);
}

.page-privacy .clause-item dd {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--ink-soft);
}

/* ---------- 联系方式 ---------- */
.page-privacy .privacy-contact {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--silver);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-privacy .privacy-contact .contact-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 15px 18px;
  background: var(--sand);
}

.page-privacy .privacy-contact .contact-label {
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  color: var(--clay);
  font-weight: 700;
}

.page-privacy .privacy-contact .contact-value {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--ink);
  word-break: break-word;
}

.page-privacy .privacy-contact .contact-value a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-contact .contact-value a:hover,
.page-privacy .privacy-contact .contact-value a:focus-visible {
  color: var(--lime-deep);
}

/* ---------- 页尾说明 ---------- */
.page-privacy .privacy-foot {
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--silver);
  display: grid;
  gap: 18px;
  align-items: start;
}

.page-privacy .privacy-foot-text {
  margin: 0;
  max-width: 44em;
  font-size: var(--fs-sm);
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-privacy .privacy-foot-text a {
  color: var(--clay);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .privacy-foot-text a:hover,
.page-privacy .privacy-foot-text a:focus-visible {
  color: var(--lime-deep);
}

.page-privacy .privacy-foot .btn {
  justify-self: start;
}

/* ---------- 运动偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-progress span {
    animation: none;
    transform: none;
  }
  .page-privacy .privacy-toc-list a {
    transition: none;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-privacy .privacy-toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 48px);
  }

  .page-privacy .clause-item {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
    padding: 16px 22px;
  }

  .page-privacy .privacy-contact .contact-item {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
    padding: 16px 22px;
  }

  .page-privacy .privacy-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: clamp(24px, 4vw, 56px);
    align-items: center;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-section {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-privacy .section-index {
    writing-mode: vertical-rl;
    text-orientation: upright;
    letter-spacing: 0.24em;
    padding: 0 0 0 10px;
    border-bottom: 0;
    border-left: 2px solid var(--clay-light);
    position: sticky;
    top: 128px;
    align-self: start;
  }
}

/* ---------- 大屏 ---------- */
@media (min-width: 1180px) {
  .page-privacy .privacy-h1 {
    max-width: 22ch;
  }

  .page-privacy .privacy-banner {
    border-radius: var(--r-lg);
  }
}