.page-privacy {
  --pv-rail: 268px;
  position: relative;
  isolation: isolate;
  background: var(--ink-1);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(126, 151, 188, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(126, 151, 188, 0.07) 1px, transparent 1px);
  background-size: 96px 96px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 52%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 52%);
}

.page-privacy .privacy-progress {
  position: sticky;
  top: 0;
  z-index: 8;
  height: 3px;
  background: rgba(126, 151, 188, 0.16);
}

.page-privacy .privacy-progress__bar {
  display: block;
  height: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}

@supports (animation-timeline: scroll()) {
  .page-privacy .privacy-progress__bar {
    animation: pv-progress linear both;
    animation-timeline: scroll(root block);
  }

  @keyframes pv-progress {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
  }
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(18px, 3vw, 32px) 0 clamp(20px, 3vw, 32px);
}

.page-privacy .privacy-hero__raster {
  position: absolute;
  top: 0;
  right: 0;
  width: min(72%, 860px);
  height: 100%;
  pointer-events: none;
  opacity: 0.7;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.page-privacy .privacy-hero__inner .breadcrumbs__list {
  margin-bottom: 22px;
}

.page-privacy h1 {
  margin: 12px 0 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(30px, 6.2vw, 60px);
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-privacy .privacy-hero__lede {
  margin: 18px 0 0;
  max-width: 44em;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: rgba(237, 245, 250, 0.8);
}

.page-privacy .privacy-hero__facts {
  display: grid;
  gap: 14px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-hero__facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-privacy .privacy-hero__facts dd {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--paper);
}

/* 横幅图 */
.page-privacy .privacy-banner {
  position: relative;
  z-index: 1;
  margin-top: clamp(24px, 4vw, 44px);
}

.page-privacy .privacy-banner__frame {
  margin: 0;
  overflow: hidden;
  background: var(--ink-2);
}

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

/* 主体布局 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(32px, 5vw, 60px);
}

.page-privacy .privacy-body {
  min-width: 0;
}

/* 目录 */
.page-privacy .privacy-toc {
  order: -1;
  min-width: 0;
}

.page-privacy .privacy-toc__fold {
  background: rgba(16, 42, 71, 0.6);
  border: 1px solid var(--line);
  padding: 0 16px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-privacy .privacy-toc__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  color: var(--paper);
}

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

.page-privacy .privacy-toc__summary-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--mist);
}

.page-privacy .privacy-toc__chev {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  line-height: 1;
}

.page-privacy .privacy-toc__chev::before {
  content: "+";
}

.page-privacy .privacy-toc__fold[open] .privacy-toc__chev::before {
  content: "−";
}

.page-privacy .privacy-toc__fold[open] {
  padding-bottom: 6px;
}

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

.page-privacy .privacy-toc__title {
  margin: 0 0 12px;
  letter-spacing: 0.18em;
  font-size: 11px;
  color: var(--mist);
}

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

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.45;
  color: rgba(237, 245, 250, 0.72);
  text-decoration: none;
  transition: color 180ms var(--ease), padding-left 180ms var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--cyan);
  padding-left: 4px;
}

.page-privacy .privacy-toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

/* 章节 */
.page-privacy .privacy-sec {
  scroll-margin-top: 96px;
  padding: clamp(26px, 3.6vw, 42px) 0;
  border-top: 1px solid var(--line);
}

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

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .privacy-sec__head .coord {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
  padding-top: 5px;
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(20px, 2.7vw, 30px);
  line-height: 1.3;
  letter-spacing: -0.006em;
  color: var(--paper);
}

.page-privacy .privacy-sec p {
  margin: 0 0 14px;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(237, 245, 250, 0.82);
}

.page-privacy .privacy-sec p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-sec a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(47, 224, 206, 0.45);
}

.page-privacy .privacy-sec a:hover {
  text-decoration-color: var(--cyan);
}

.page-privacy .u-cyan {
  background-image: linear-gradient(to top, var(--cyan) 0, var(--cyan) 1.5px, transparent 1.5px);
  padding-bottom: 1px;
  color: var(--paper);
}

/* 定义列表 */
.page-privacy .privacy-defs {
  margin: 22px 0 0;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-defs__row {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-defs dt {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  color: var(--cyan);
}

.page-privacy .privacy-defs dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(237, 245, 250, 0.8);
}

/* 编号步骤 */
.page-privacy .privacy-steps {
  counter-reset: pvstep;
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-steps__item {
  position: relative;
  padding: 16px 0 16px 46px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(237, 245, 250, 0.8);
}

.page-privacy .privacy-steps__item::before {
  counter-increment: pvstep;
  content: counter(pvstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-privacy .privacy-steps__item strong {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  color: var(--paper);
}

/* 要点列表 */
.page-privacy .privacy-points {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-privacy .privacy-points__item {
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
}

.page-privacy .privacy-points__item:nth-child(even) {
  border-left-color: var(--amber);
}

.page-privacy .privacy-points__item h3 {
  margin: 0 0 4px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper);
}

.page-privacy .privacy-points__item p {
  margin: 0;
  max-width: none;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(237, 245, 250, 0.76);
}

/* 快捷按钮 */
.page-privacy .privacy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

/* 联系面板 */
.page-privacy .privacy-contact {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(22px, 3.4vw, 36px);
  background: var(--ink-2);
  border: 1px solid var(--line);
}

.page-privacy .privacy-contact__title {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.35;
  color: var(--paper);
}

.page-privacy .privacy-contact p {
  margin: 0 0 18px;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(237, 245, 250, 0.78);
}

.page-privacy .privacy-contact__rows {
  display: grid;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-privacy .privacy-contact__label {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-privacy .privacy-contact__value {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--paper);
  word-break: break-all;
}

.page-privacy .privacy-contact .copy-btn[data-copied="true"] {
  border-color: var(--amber);
  color: var(--amber);
}

.page-privacy .privacy-contact__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* 显现兜底 */
.page-privacy .is-hidden {
  opacity: 0;
  transform: translateY(10px);
}

.page-privacy .is-shown {
  opacity: 1;
  transform: none;
  transition: opacity 480ms var(--ease), transform 480ms var(--ease);
}

/* 平板 */
@media (min-width: 640px) {
  .page-privacy .privacy-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-privacy .privacy-hero__facts > div {
    padding: 0 20px;
    border-left: 1px solid var(--line);
  }

  .page-privacy .privacy-hero__facts > div:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

@media (min-width: 760px) {
  .page-privacy .privacy-sec p {
    font-size: 17px;
  }

  .page-privacy .privacy-defs__row {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 26px;
    padding: 18px 0;
  }

  .page-privacy .privacy-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 32px;
  }

  .page-privacy .privacy-contact__rows {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 32px;
  }
}

/* 桌面：右侧粘性目录 */
@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) var(--pv-rail);
    gap: clamp(40px, 5vw, 84px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    order: 0;
    position: sticky;
    top: 92px;
  }

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

  .page-privacy .privacy-toc__static {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .is-shown {
    transition: none;
  }

  .page-privacy .privacy-progress__bar {
    animation: none;
    transform: scaleX(1);
    opacity: 0.5;
  }
}