.page-privacy {
  --privacy-rule: 1px solid var(--iron);
  --privacy-pad: clamp(56px, 8vw, 104px);
  --privacy-measure: 38em;
}

/* 面包屑 */
.page-privacy .breadcrumb {
  padding: 20px 0 0;
  font-size: var(--fs-annot);
  color: var(--fog);
}
.page-privacy .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--iron);
}
.page-privacy .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-privacy .breadcrumb__sep {
  margin: 0 8px;
  color: var(--iron);
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background:
    repeating-linear-gradient(118deg, rgba(44, 224, 194, .06) 0 1px, transparent 1px 22px),
    linear-gradient(158deg, var(--slate) 0%, var(--night) 58%, var(--night) 100%);
  border-bottom: var(--line);
}
.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -34%;
  width: 62%;
  aspect-ratio: 1;
  background: radial-gradient(circle at 50% 50%, rgba(18, 160, 106, .32), transparent 68%);
  pointer-events: none;
}
.page-privacy .privacy-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 5vw, 44px);
  padding: clamp(30px, 6vw, 68px) 0 clamp(34px, 6vw, 76px);
}
.page-privacy .privacy-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7.5vw, 66px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--mist);
}
.page-privacy .privacy-hero__lead {
  margin: 18px 0 0;
  max-width: 30em;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--fog);
}
.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 26px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--iron);
  font-size: var(--fs-annot);
  color: var(--fog);
}
.page-privacy .privacy-hero__meta .u-mono {
  color: var(--cyan);
  font-size: 1.1em;
  margin-right: 4px;
}
.page-privacy .privacy-hero__figure {
  margin: 0;
  border: var(--line);
  box-shadow: var(--shadow-hard);
  background: var(--navy);
}
.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 16 / 7;
}

/* 顶部锚点条 */
.page-privacy .anchor-bar {
  background: var(--navy);
  border-bottom: var(--line);
}
.page-privacy .anchor-bar__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 12px;
  padding-bottom: 12px;
}
.page-privacy .anchor-bar__label {
  flex: none;
  font-family: var(--font-serif);
  font-size: var(--fs-annot);
  color: var(--cyan);
  letter-spacing: .06em;
}
.page-privacy .anchor-bar__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 4px 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.page-privacy .anchor-bar__link {
  display: inline-block;
  flex: none;
  padding: 7px 14px;
  min-height: 36px;
  border: 2px solid var(--iron);
  color: var(--mist);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
}
.page-privacy .anchor-bar__link:hover,
.page-privacy .anchor-bar__link[data-active] {
  border-color: var(--jade);
  background: rgba(18, 160, 106, .18);
  color: var(--mist);
}

/* 主布局 */
.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  padding: clamp(32px, 6vw, 72px) 0 var(--privacy-pad);
}

/* 左侧章节栏 */
.page-privacy .privacy-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: var(--fs-annot);
  letter-spacing: .16em;
  color: var(--fog);
}
.page-privacy .privacy-rail__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-privacy .privacy-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-left: 3px solid var(--iron);
  color: var(--fog);
  font-size: var(--fs-annot);
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-privacy .privacy-rail__link:hover {
  color: var(--mist);
  border-left-color: var(--jade);
}
.page-privacy .privacy-rail__link[data-active] {
  color: var(--mist);
  background: rgba(18, 160, 106, .14);
  border-left-color: var(--jade);
}
.page-privacy .privacy-rail__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}
.page-privacy .privacy-rail__link[data-active] .privacy-rail__num {
  color: var(--amber);
}

/* 正文 */
.page-privacy .privacy-body {
  min-width: 0;
}
.page-privacy .privacy-sec {
  padding: clamp(26px, 4.5vw, 42px) 0;
  border-top: var(--privacy-rule);
}
.page-privacy .privacy-sec:first-child {
  border-top: 3px solid var(--jade);
  padding-top: clamp(22px, 4vw, 34px);
}
.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}
.page-privacy .privacy-sec__num {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4.5vw, 42px);
  line-height: 1;
  color: var(--iron);
  font-weight: 700;
}
.page-privacy .privacy-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.6vw, 36px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--mist);
}
.page-privacy .privacy-sec h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: .01em;
  color: var(--mist);
}
.page-privacy .privacy-sec__lead,
.page-privacy .privacy-sec p {
  max-width: var(--privacy-measure);
  margin: 0 0 14px;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--fog);
}
.page-privacy .privacy-sec__foot {
  max-width: var(--privacy-measure);
  margin-top: 22px;
  font-size: var(--fs-annot);
  color: var(--fog);
}
.page-privacy .privacy-sec__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(44, 224, 194, .5);
  margin: 0 3px;
}
.page-privacy .privacy-sec__foot a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* 三类信息卡片 */
.page-privacy .privacy-cards {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
}
.page-privacy .privacy-cat {
  padding: 18px 18px 6px;
  background: var(--slate);
  border: var(--line);
  box-shadow: var(--shadow-hard);
  position: relative;
}
.page-privacy .privacy-cat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--cyan);
}
.page-privacy .privacy-cat__title {
  color: var(--mist);
}
.page-privacy .privacy-cat p {
  margin: 0 0 14px;
  font-size: var(--fs-annot);
  line-height: 1.75;
  color: var(--fog);
}

/* 提示条 */
.page-privacy .privacy-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 4px solid var(--amber);
  background: rgba(255, 176, 32, .08);
  color: var(--mist);
  font-size: var(--fs-annot);
  line-height: 1.7;
  max-width: var(--privacy-measure);
}

/* 列表 */
.page-privacy .privacy-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  max-width: var(--privacy-measure);
}
.page-privacy .privacy-list li {
  position: relative;
  padding: 0 0 14px 22px;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--fog);
}
.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 12px;
  height: 3px;
  background: var(--jade);
}
.page-privacy .privacy-list strong {
  color: var(--mist);
  font-weight: 900;
}
.page-privacy .privacy-list--tight li {
  padding-bottom: 10px;
}

/* 保存与安全 */
.page-privacy .privacy-stack {
  display: grid;
  gap: 0;
  margin: 22px 0 0;
  max-width: var(--privacy-measure);
  border-top: var(--privacy-rule);
}
.page-privacy .privacy-stack__item {
  padding: 18px 0;
  border-bottom: var(--privacy-rule);
}
.page-privacy .privacy-stack__item p {
  margin: 0;
}

/* 权利步骤 */
.page-privacy .privacy-steps {
  display: grid;
  gap: 18px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  max-width: var(--privacy-measure);
  counter-reset: steps;
}
.page-privacy .privacy-steps li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 14px;
  align-items: start;
}
.page-privacy .privacy-steps__index {
  display: block;
  padding-top: 2px;
  font-size: 20px;
  line-height: 1;
  color: var(--amber);
}
.page-privacy .privacy-steps h3 {
  margin-bottom: 6px;
}
.page-privacy .privacy-steps p {
  margin: 0;
  font-size: var(--fs-annot);
  line-height: 1.75;
  color: var(--fog);
}

/* 折叠说明 */
.page-privacy .disclosure {
  margin: 26px 0 0;
  max-width: var(--privacy-measure);
  border: var(--line);
  background: var(--slate);
}
.page-privacy .disclosure summary {
  padding: 14px 16px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 16px;
  color: var(--mist);
  cursor: pointer;
  list-style: none;
}
.page-privacy .disclosure summary::-webkit-details-marker {
  display: none;
}
.page-privacy .disclosure summary::before {
  content: "+";
  display: inline-block;
  width: 18px;
  margin-right: 8px;
  color: var(--cyan);
  font-family: var(--font-mono);
}
.page-privacy .disclosure[open] summary::before {
  content: "−";
}
.page-privacy .disclosure__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--iron);
}
.page-privacy .disclosure__body p {
  margin: 12px 0 0;
  font-size: var(--fs-annot);
  line-height: 1.75;
  color: var(--fog);
}

/* 联系方式 */
.page-privacy .privacy-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 22px 0 0;
  padding: 18px;
  max-width: var(--privacy-measure);
  background: linear-gradient(120deg, var(--navy) 0%, var(--slate) 100%);
  border: var(--line);
  box-shadow: var(--shadow-hard);
}
.page-privacy .privacy-contact__main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.page-privacy .privacy-contact__key {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--fog);
}
.page-privacy .privacy-contact__mail {
  font-size: clamp(15px, 3.6vw, 20px);
  color: var(--cyan);
  overflow-wrap: anywhere;
}
.page-privacy .copy-btn {
  min-height: 44px;
  padding: 10px 18px;
  border: 2px solid var(--amber);
  background: transparent;
  color: var(--amber);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 14px;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-privacy .copy-btn:hover {
  background: var(--amber);
  color: var(--ink);
}

/* 平板与桌面 */
@media (min-width: 760px) {
  .page-privacy .privacy-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-privacy .privacy-hero__meta {
    gap: 12px 32px;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }
  .page-privacy .privacy-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }
  .page-privacy .privacy-rail {
    position: sticky;
    top: 118px;
    align-self: start;
  }
  .page-privacy .privacy-rail__title {
    padding-left: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link,
  .page-privacy .copy-btn {
    transition: none;
  }
}