.page-privacy {
  --pv-frame: rgba(42, 52, 102, .55);
  --pv-line: rgba(36, 240, 200, .85);
  display: block;
  padding-bottom: clamp(56px, 9vw, 104px);
}

/* ---------- 头部 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--grid);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(42, 52, 102, .5) 0 1px, transparent 1px 54px),
    repeating-linear-gradient(90deg, rgba(42, 52, 102, .5) 0 1px, transparent 1px 54px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
}

.page-privacy .privacy-hero-inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(28px, 5vw, 48px);
  max-width: 980px;
}

.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-family: var(--mono);
  letter-spacing: .04em;
  color: var(--mute);
  margin-bottom: 22px;
}

.page-privacy .breadcrumb a {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--step), border-color var(--step);
}

.page-privacy .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .breadcrumb-sep {
  color: var(--grid);
}

.page-privacy .privacy-hero .eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
  margin: 0 0 16px;
  text-transform: uppercase;
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 22px;
  font-size: clamp(28px, 5.4vw, 52px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 22ch;
}

.page-privacy .privacy-hero .lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(244, 247, 255, .82);
  border-left: 2px solid var(--pv-line);
  padding-left: 16px;
}

.page-privacy .privacy-hero-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
}

.page-privacy .privacy-hero-tags .tag {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 5px 10px;
  border: 1px solid var(--grid);
  color: var(--mute);
  background: rgba(19, 27, 63, .6);
}

.page-privacy .privacy-hero-tags .tag-live {
  color: var(--cyan);
  border-color: rgba(36, 240, 200, .45);
}

.page-privacy .privacy-hero-tags .tag-pending {
  color: var(--amber);
  border-color: rgba(255, 209, 102, .4);
}

.page-privacy .privacy-hero-tags .tag-out {
  color: var(--orange);
  border-color: rgba(255, 122, 47, .45);
}

.page-privacy .privacy-hero-visual {
  position: relative;
  border-top: 1px solid var(--grid);
  background: linear-gradient(180deg, var(--panel-a), var(--ink));
  line-height: 0;
}

.page-privacy .privacy-hero-visual img {
  display: block;
  width: 100%;
  height: clamp(160px, 26vw, 340px);
  object-fit: cover;
  opacity: .82;
  mix-blend-mode: luminosity;
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 6vw, 56px);
  padding-top: clamp(36px, 6vw, 64px);
}

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

/* ---------- 章节 ---------- */
.page-privacy .privacy-sec {
  border-top: 1px solid var(--grid);
  padding-top: clamp(28px, 4vw, 44px);
  padding-bottom: clamp(32px, 5vw, 52px);
}

.page-privacy .privacy-sec:first-child {
  border-top-color: var(--pv-frame);
}

.page-privacy .privacy-sec .section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.page-privacy .privacy-sec .section-num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: 3px;
  flex: none;
}

.page-privacy .privacy-sec .section-title {
  margin: 0;
  font-size: clamp(20px, 3.2vw, 28px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
  line-height: 1.3;
}

.page-privacy .privacy-sec .prose {
  max-width: 68ch;
  margin: 0 0 22px;
  font-size: 15.5px;
  line-height: 1.95;
  color: rgba(244, 247, 255, .84);
}

.page-privacy .privacy-sec .prose a,
.page-privacy .privacy-sec-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 240, 200, .4);
  transition: border-color var(--step), color var(--step);
}

.page-privacy .privacy-sec .prose a:hover,
.page-privacy .privacy-sec-note a:hover {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.page-privacy .privacy-sec-note {
  max-width: 68ch;
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--mute);
}

/* ---------- 左竖线条目列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: 76ch;
}

.page-privacy .privacy-list > li {
  position: relative;
  padding: 18px 0 18px 22px;
}

.page-privacy .privacy-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: var(--pv-line);
}

.page-privacy .privacy-list > li + li {
  border-top: 1px solid var(--grid);
}

.page-privacy .privacy-list > li strong {
  display: block;
  margin-bottom: 7px;
  font-size: 15.5px;
  font-weight: 800;
  color: var(--paper);
  letter-spacing: .01em;
}

.page-privacy .privacy-list > li span {
  display: block;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(244, 247, 255, .72);
  max-width: 66ch;
}

/* ---------- 使用场景网格 ---------- */
.page-privacy .privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
  margin: 0 0 4px;
}

.page-privacy .privacy-grid-item {
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
  padding: 22px 20px 24px;
  transition: background var(--step);
}

.page-privacy .privacy-grid-item:hover {
  background: linear-gradient(180deg, var(--panel-a), var(--ink-2));
}

.page-privacy .privacy-grid-item h3 {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 800;
  color: var(--paper);
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-privacy .privacy-grid-item h3::before {
  content: "";
  width: 18px;
  height: 2px;
  flex: none;
  background: var(--orange);
}

.page-privacy .privacy-grid-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(244, 247, 255, .74);
}

/* ---------- 定义列表 ---------- */
.page-privacy .privacy-deflist {
  margin: 0;
  border-top: 1px solid var(--grid);
  max-width: 76ch;
}

.page-privacy .privacy-deflist-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--grid);
}

.page-privacy .privacy-deflist-row dt {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-privacy .privacy-deflist-row dd {
  margin: 0;
  font-size: 14.8px;
  line-height: 1.9;
  color: rgba(244, 247, 255, .8);
  max-width: 68ch;
}

/* ---------- 设置项折叠 ---------- */
.page-privacy .settings {
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
  max-width: 76ch;
}

.page-privacy .setting-item {
  background: linear-gradient(180deg, var(--panel-a), var(--ink-2));
  transition: background var(--step);
}

.page-privacy .setting-item[open] {
  background: linear-gradient(180deg, rgba(36, 240, 200, .07), var(--ink-2));
}

.page-privacy .setting-item summary {
  list-style: none;
  cursor: pointer;
  padding: 17px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: .01em;
}

.page-privacy .setting-item summary::-webkit-details-marker {
  display: none;
}

.page-privacy .setting-item summary::before {
  content: "+";
  flex: none;
  width: 16px;
  font-family: var(--mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .setting-item[open] summary::before {
  content: "\2212";
}

.page-privacy .setting-item summary:hover {
  color: var(--cyan);
}

.page-privacy .setting-item .setting-body {
  padding: 0 18px 20px 46px;
  border-top: 1px solid var(--grid);
  padding-top: 16px;
}

.page-privacy .setting-item .setting-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.95;
  color: rgba(244, 247, 255, .76);
  max-width: 64ch;
}

/* ---------- 联系区 ---------- */
.page-privacy .contact-panel {
  border: 1px solid var(--grid);
  border-left: 3px solid var(--orange);
  background: linear-gradient(160deg, var(--panel-a), var(--ink-2));
  padding: clamp(20px, 3vw, 30px) clamp(18px, 3vw, 28px);
  max-width: 76ch;
}

.page-privacy .contact-lead {
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 247, 255, .8);
}

.page-privacy .contact-list {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .contact-list > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
}

.page-privacy .contact-list dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-privacy .contact-list dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--paper);
  word-break: break-word;
}

.page-privacy .contact-list > div:last-child dd {
  font-family: var(--sans);
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 247, 255, .76);
}

.page-privacy .contact-steps {
  list-style: none;
  counter-reset: pv-step;
  margin: 26px 0 0;
  padding: 0;
  max-width: 76ch;
}

.page-privacy .contact-steps li {
  counter-increment: pv-step;
  position: relative;
  padding: 14px 0 14px 38px;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(244, 247, 255, .76);
  border-top: 1px solid var(--grid);
}

.page-privacy .contact-steps li::before {
  content: "0" counter(pv-step);
  position: absolute;
  left: 0;
  top: 16px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--orange);
}

/* ---------- 侧边目录 ---------- */
.page-privacy .privacy-rail {
  min-width: 0;
}

.page-privacy .privacy-rail .rail-title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--mute);
  text-transform: uppercase;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--grid);
}

.page-privacy .privacy-rail .rail-nav {
  display: grid;
  gap: 1px;
}

.page-privacy .privacy-rail .rail-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px 9px 0;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--mute);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 12px;
  transition: color var(--step), border-color var(--step), background var(--step);
}

.page-privacy .privacy-rail .rail-link:hover {
  color: var(--paper);
  border-left-color: var(--grid);
}

.page-privacy .privacy-rail .rail-link.is-active {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: rgba(36, 240, 200, .06);
}

.page-privacy .privacy-rail .rail-link-idx {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--grid);
  flex: none;
}

.page-privacy .privacy-rail .rail-link.is-active .rail-link-idx {
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-deflist-row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

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

@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 210px;
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 96px;
    order: 2;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-body {
    padding-right: 8px;
  }

  .page-privacy .privacy-list > li {
    padding-left: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail .rail-link,
  .page-privacy .setting-item,
  .page-privacy .privacy-grid-item,
  .page-privacy .breadcrumb a {
    transition: none;
  }
}