.page-privacy {
  --prv-key: 148px;
  background: var(--bm-cockpit);
  color: var(--bm-cream);
  font-family: var(--bm-font-body);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.78;
  overflow-x: hidden;
}

.page-privacy h1,
.page-privacy h2,
.page-privacy h3 {
  font-family: var(--bm-font-head);
  color: var(--bm-cream);
}

.page-privacy p {
  margin: 0 0 14px;
  max-width: 64ch;
}

/* 面包屑 */
.page-privacy .prv-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 18px 0 14px;
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bm-faint);
}

.page-privacy .prv-crumb-link {
  color: var(--bm-silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--bm-ease), border-color 0.2s var(--bm-ease);
}

.page-privacy .prv-crumb-link:hover,
.page-privacy .prv-crumb-link:focus-visible {
  color: var(--bm-orange);
  border-bottom-color: var(--bm-orange);
}

.page-privacy .prv-crumb-sep {
  color: var(--bm-gauge);
}

/* 首屏 */
.page-privacy .prv-hero {
  position: relative;
  border-top: 1px solid var(--bm-line);
  border-bottom: 1px solid var(--bm-line);
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(45, 156, 255, 0.16), transparent 60%),
    radial-gradient(80% 70% at 92% 8%, rgba(255, 138, 61, 0.13), transparent 62%),
    linear-gradient(180deg, var(--bm-deep), var(--bm-cockpit) 82%);
}

.page-privacy .prv-hero__inner {
  display: grid;
  gap: 26px;
  padding: 32px 0 40px;
}

.page-privacy .prv-hero__side {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-privacy .prv-ver {
  display: inline-flex;
  align-items: center;
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bm-cyan);
  border-left: 2px solid var(--bm-orange);
  padding-left: 10px;
  margin: 0;
}

.page-privacy .prv-hero__note {
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--bm-dim);
  margin: 0;
}

.page-privacy .prv-hero__note--dim {
  color: var(--bm-faint);
}

.page-privacy .prv-eyebrow {
  display: block;
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bm-moss);
  margin: 0 0 12px;
}

.page-privacy .prv-title {
  font-size: clamp(34px, 6.4vw, 66px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  text-wrap: balance;
}

.page-privacy .prv-lead {
  color: var(--bm-silver);
  font-size: clamp(15px, 1.35vw, 18px);
  line-height: 1.8;
  margin: 0;
  max-width: 62ch;
}

/* 摘要分段切换 */
.page-privacy .prv-tabs {
  margin-top: 28px;
  border-top: 1px solid var(--bm-line);
}

.page-privacy .prv-tabs__nav {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  border-bottom: 1px solid var(--bm-line);
}

.page-privacy .bm-tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--bm-faint);
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 11px 14px;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s var(--bm-ease), border-color 0.2s var(--bm-ease);
}

.page-privacy .bm-tab:hover {
  color: var(--bm-cream);
}

.page-privacy .bm-tab[aria-selected="true"],
.page-privacy .bm-tab.is-active {
  color: var(--bm-cream);
  border-bottom-color: var(--bm-orange);
}

.page-privacy .bm-tab:focus-visible {
  outline: 2px solid var(--bm-blue);
  outline-offset: -2px;
}

.page-privacy .bm-tabpanel {
  padding: 16px 0 0;
  color: var(--bm-dim);
  font-size: 15px;
}

.page-privacy .bm-tabpanel ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  max-width: 66ch;
}

.page-privacy .bm-tabpanel li::marker {
  color: var(--bm-cyan);
}

/* 视觉带 */
.page-privacy .prv-visual {
  margin: 0;
  position: relative;
  background: var(--bm-deep);
  border-bottom: 1px solid var(--bm-line);
  overflow: hidden;
}

.page-privacy .prv-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: 0.9;
}

.page-privacy .prv-visual__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  padding: 26px clamp(16px, 4vw, 44px) 12px;
  background: linear-gradient(180deg, transparent, rgba(8, 24, 38, 0.92));
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--bm-silver);
}

/* 主体两栏 */
.page-privacy .prv-body {
  padding: 34px 0 60px;
}

.page-privacy .prv-body__grid {
  display: grid;
  gap: 26px;
}

/* 章节目录 */
.page-privacy .prv-rail__label {
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bm-faint);
  margin: 0 0 10px;
}

.page-privacy .prv-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 2px;
  overflow-x: auto;
  border-bottom: 1px solid var(--bm-line);
  scrollbar-width: thin;
}

.page-privacy .prv-rail__num {
  font-family: var(--bm-font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--bm-faint);
  margin-right: 6px;
}

.page-privacy .bm-rail__link {
  display: flex;
  align-items: baseline;
  padding: 9px 10px;
  border-bottom: 2px solid transparent;
  color: var(--bm-dim);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: color 0.2s var(--bm-ease), border-color 0.2s var(--bm-ease), background 0.2s var(--bm-ease);
}

.page-privacy .bm-rail__link:hover,
.page-privacy .bm-rail__link:focus-visible {
  color: var(--bm-cream);
  background: rgba(201, 210, 220, 0.05);
}

.page-privacy .bm-rail__link.is-active {
  color: var(--bm-cream);
  border-bottom-color: var(--bm-orange);
  background: rgba(255, 138, 61, 0.07);
}

.page-privacy .prv-rail__meta {
  display: none;
  font-family: var(--bm-font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  line-height: 1.9;
  color: var(--bm-faint);
  margin: 14px 0 0;
}

/* 正文章节 */
.page-privacy .prv-sec {
  padding-top: 28px;
  margin-top: 32px;
  border-top: 1px solid var(--bm-line);
  scroll-margin-top: 24px;
}

.page-privacy .prv-flow > .prv-sec:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-privacy .prv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-privacy .prv-sec__num {
  font-family: var(--bm-font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--bm-orange);
}

.page-privacy .prv-sec h2 {
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-privacy .prv-sec p {
  color: var(--bm-dim);
}

/* 定义式行列表 */
.page-privacy .prv-rows {
  list-style: none;
  margin: 18px 0 16px;
  padding: 0;
  border-top: 1px solid var(--bm-line);
}

.page-privacy .prv-rows > li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--bm-line);
}

.page-privacy .prv-rows__key {
  font-family: var(--bm-font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--bm-cyan);
  padding-top: 4px;
}

.page-privacy .prv-rows__text {
  color: var(--bm-dim);
  max-width: 66ch;
}

.page-privacy .prv-rows__text strong {
  color: var(--bm-cream);
  font-weight: 600;
}

.page-privacy .prv-note-inline {
  font-size: 13.5px;
  color: var(--bm-faint);
  border-left: 2px solid var(--bm-moss);
  padding-left: 12px;
  margin: 0;
}

/* 步骤条 */
.page-privacy .bm-steps {
  list-style: none;
  margin: 18px 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .bm-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 12px 14px;
  background: linear-gradient(90deg, var(--bm-deep), rgba(16, 42, 67, 0.45));
  border-left: 2px solid var(--bm-gauge);
  color: var(--bm-silver);
  font-size: 14.5px;
}

.page-privacy .bm-step__index {
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--bm-orange);
  padding-top: 3px;
}

/* 折叠问答 */
.page-privacy .prv-fold {
  border: 1px solid var(--bm-line);
  background: rgba(16, 42, 67, 0.42);
  margin-top: 10px;
}

.page-privacy .prv-fold summary {
  list-style: none;
  cursor: pointer;
  padding: 13px 16px;
  font-weight: 600;
  font-size: 14.5px;
  color: var(--bm-silver);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  transition: color 0.2s var(--bm-ease);
}

.page-privacy .prv-fold summary::-webkit-details-marker {
  display: none;
}

.page-privacy .prv-fold summary::after {
  content: "+";
  font-family: var(--bm-font-mono);
  color: var(--bm-cyan);
}

.page-privacy .prv-fold[open] summary {
  color: var(--bm-cream);
}

.page-privacy .prv-fold[open] summary::after {
  content: "–";
  color: var(--bm-orange);
}

.page-privacy .prv-fold summary:hover {
  color: var(--bm-cream);
}

.page-privacy .prv-fold summary:focus-visible {
  outline: 2px solid var(--bm-blue);
  outline-offset: -2px;
}

.page-privacy .prv-fold__body {
  padding: 0 16px 15px;
  font-size: 14px;
  color: var(--bm-dim);
  max-width: 66ch;
}

/* 权利分区 */
.page-privacy .prv-rights {
  display: grid;
  gap: 12px;
  margin: 18px 0 16px;
}

.page-privacy .prv-right {
  background: linear-gradient(160deg, rgba(16, 42, 67, 0.92), rgba(8, 24, 38, 0.92));
  border: 1px solid var(--bm-line);
  border-top: 2px solid var(--bm-gauge);
  padding: 16px 18px;
}

.page-privacy .prv-right:nth-child(1) {
  border-top-color: var(--bm-blue);
}

.page-privacy .prv-right:nth-child(2) {
  border-top-color: var(--bm-cyan);
}

.page-privacy .prv-right:nth-child(3) {
  border-top-color: var(--bm-orange);
}

.page-privacy .prv-right:nth-child(4) {
  border-top-color: var(--bm-moss);
}

.page-privacy .prv-right h3 {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-privacy .prv-right p {
  margin: 0;
  font-size: 14px;
  color: var(--bm-dim);
}

/* 联系面板 */
.page-privacy .prv-contact {
  position: relative;
  margin: 18px 0 16px;
  padding: 22px 18px;
  background: var(--bm-deep);
  border: 1px solid var(--bm-line);
}

.page-privacy .prv-contact::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 72px;
  height: 2px;
  background: var(--bm-orange);
}

.page-privacy .prv-contact__lead {
  margin: 0 0 14px;
  color: var(--bm-silver);
  font-size: 14.5px;
}

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

.page-privacy .prv-mail__value {
  font-family: var(--bm-font-mono);
  font-size: 13.5px;
  color: var(--bm-cream);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-privacy .bm-copy__btn {
  appearance: none;
  background: transparent;
  border: 1px solid var(--bm-line-2);
  color: var(--bm-silver);
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 7px 12px;
  cursor: pointer;
  transition: color 0.2s var(--bm-ease), border-color 0.2s var(--bm-ease), background 0.2s var(--bm-ease);
}

.page-privacy .bm-copy__btn:hover,
.page-privacy .bm-copy__btn:focus-visible {
  color: var(--bm-cockpit);
  background: var(--bm-orange);
  border-color: var(--bm-orange);
}

.page-privacy .prv-copy-status {
  font-family: var(--bm-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--bm-cyan);
  min-height: 1em;
}

.page-privacy .prv-contact__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  color: var(--bm-faint);
}

/* 内联链接 */
.page-privacy .prv-linkline {
  font-size: 14px;
  color: var(--bm-faint);
  margin: 14px 0 0;
}

.page-privacy .prv-link {
  color: var(--bm-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 156, 255, 0.34);
  margin: 0 3px;
  transition: color 0.2s var(--bm-ease), border-color 0.2s var(--bm-ease);
}

.page-privacy .prv-link:hover,
.page-privacy .prv-link:focus-visible {
  color: var(--bm-cream);
  border-bottom-color: var(--bm-orange);
}

/* 相关页面带 */
.page-privacy .prv-next {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  margin-top: 40px;
  border-top: 1px solid var(--bm-line);
  border-bottom: 1px solid var(--bm-line);
  background: var(--bm-line);
}

.page-privacy .prv-next__item {
  flex: 1 1 140px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 14px 12px;
  background: var(--bm-cockpit);
  text-decoration: none;
  color: var(--bm-silver);
  transition: background 0.2s var(--bm-ease), color 0.2s var(--bm-ease);
}

.page-privacy .prv-next__num {
  font-family: var(--bm-font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--bm-faint);
}

.page-privacy .prv-next__label {
  font-size: 14px;
}

.page-privacy .prv-next__item:hover,
.page-privacy .prv-next__item:focus-visible {
  background: var(--bm-deep);
  color: var(--bm-cream);
}

.page-privacy .prv-next__item:hover .prv-next__num,
.page-privacy .prv-next__item:focus-visible .prv-next__num {
  color: var(--bm-orange);
}

/* 显现 */
.page-privacy [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--bm-ease), transform 0.5s var(--bm-ease);
}

.page-privacy [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-privacy * {
    transition-duration: 0.01ms !important;
  }
}

/* 平板与桌面 */
@media (min-width: 720px) {
  .page-privacy .prv-rows > li {
    grid-template-columns: var(--prv-key) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

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

  .page-privacy .prv-body {
    padding: 44px 0 72px;
  }
}

@media (min-width: 960px) {
  .page-privacy .prv-hero__inner {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 40px;
    padding: 52px 0 60px;
  }

  .page-privacy .prv-title {
    max-width: 20ch;
  }

  .page-privacy .prv-rail__list {
    flex-direction: column;
    overflow: visible;
    border-bottom: 0;
    border-left: 1px solid var(--bm-line);
  }

  .page-privacy .bm-rail__link {
    border-bottom: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
    padding: 8px 10px;
  }

  .page-privacy .bm-rail__link.is-active {
    border-left-color: var(--bm-orange);
    border-bottom-color: transparent;
  }

  .page-privacy .prv-rail__meta {
    display: block;
  }
}

@media (min-width: 1000px) {
  .page-privacy .prv-body__grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 48px;
    align-items: start;
  }

  .page-privacy .prv-rail {
    position: sticky;
    top: 24px;
  }
}
<<<END>>>