.page-privacy {
  --privacy-rule: rgba(232, 242, 236, 0.13);
  --privacy-rule-soft: rgba(232, 242, 236, 0.07);
  --privacy-body: rgba(232, 242, 236, 0.82);
  display: block;
}

/* 顶部氛围窄带 */
.page-privacy .privacy-band {
  position: relative;
  height: clamp(120px, 19vw, 210px);
  overflow: hidden;
  border-bottom: 1px solid var(--line-2);
  background: var(--night);
}

.page-privacy .privacy-band img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: 0.42;
  filter: saturate(1.15) contrast(1.05);
}

.page-privacy .privacy-band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg,
    rgba(7, 35, 28, 0.2) 0%,
    rgba(7, 35, 28, 0.58) 58%,
    var(--night) 100%);
}

/* 头部 */
.page-privacy .privacy-wrap {
  padding-top: clamp(24px, 3.6vw, 44px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-privacy .privacy-head {
  margin-top: clamp(26px, 4vw, 46px);
  max-width: 74ch;
  position: relative;
}

.page-privacy .privacy-kicker {
  display: inline-block;
  margin: 0;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  background: rgba(53, 242, 192, 0.08);
  border-left: 2px solid var(--cyan);
  border-radius: 2px var(--r-sm) var(--r-sm) 2px;
}

.page-privacy h1 {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 5.6vw, 56px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-privacy .privacy-lede {
  margin: 20px 0 0;
  font-size: clamp(15.5px, 1.7vw, 18px);
  line-height: 1.85;
  color: var(--privacy-body);
  max-width: 60ch;
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--privacy-rule-soft);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--slate);
}

.page-privacy .privacy-meta-dot {
  color: var(--lime);
}

/* 栅格：移动端单列，桌面端左侧索引 */
.page-privacy .privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(34px, 4.5vw, 48px);
  margin-top: clamp(38px, 6vw, 76px);
}

/* 章节索引 */
.page-privacy .privacy-index-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-privacy .privacy-index-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-left: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-index-item {
  margin: 0;
}

.page-privacy .privacy-index-link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 8px 11px 18px;
  color: var(--privacy-body);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .privacy-index-link::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 19px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(232, 242, 236, 0.18);
  transition: background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-privacy .privacy-index-link:hover {
  color: var(--lime);
  background: var(--glass);
}

.page-privacy .privacy-index-link:hover::before,
.page-privacy .privacy-index-link:focus-visible::before {
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(199, 255, 74, 0.16);
}

.page-privacy .privacy-index-link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  color: var(--lime);
}

.page-privacy .pi-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
  transition: color var(--dur) var(--ease);
}

.page-privacy .privacy-index-link:hover .pi-num,
.page-privacy .privacy-index-link:focus-visible .pi-num {
  color: var(--cyan);
}

.page-privacy .pi-text {
  min-width: 0;
}

.page-privacy .privacy-index-note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--privacy-rule);
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

/* 正文窄栏 */
.page-privacy .privacy-body {
  max-width: 68ch;
  min-width: 0;
}

.page-privacy .privacy-sec {
  padding: clamp(30px, 4.4vw, 52px) 0;
  border-top: 1px solid var(--privacy-rule);
}

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

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

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

.page-privacy .privacy-sec-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--lime);
  flex: none;
}

.page-privacy .privacy-sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.7vw, 30px);
  line-height: 1.3;
  font-weight: 780;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-privacy .privacy-sec p {
  margin: 16px 0 0;
  font-size: clamp(15.5px, 1.55vw, 17px);
  line-height: 1.85;
  color: var(--privacy-body);
}

/* 条款条目 */
.page-privacy .privacy-clauses {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-privacy .privacy-clause {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 4px 10px;
  align-items: start;
}

.page-privacy .privacy-clause + .privacy-clause {
  padding-top: 18px;
  border-top: 1px solid var(--privacy-rule-soft);
}

.page-privacy .privacy-clause-num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--cyan);
  padding-top: 2px;
}

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

.page-privacy .privacy-clause-body h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 700;
  color: var(--mist);
  letter-spacing: -0.005em;
}

.page-privacy .privacy-clause-body p {
  margin: 7px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--privacy-body);
}

/* 提示条 */
.page-privacy .privacy-note {
  margin: 24px 0 0;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
  border-left: 2px solid var(--orange);
  background: linear-gradient(90deg, rgba(255, 122, 47, 0.08), rgba(255, 122, 47, 0));
}

.page-privacy .privacy-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 192, 0.4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-inline-link:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-privacy .privacy-inline-link:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
  border-radius: 2px;
}

/* 折叠说明 */
.page-privacy .privacy-details {
  margin-top: 26px;
  border: 1px solid var(--privacy-rule);
  border-radius: var(--r-sm);
  background: var(--glass);
  overflow: hidden;
}

.page-privacy .privacy-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  line-height: 1.5;
  color: var(--mist);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-privacy .privacy-details summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lime);
}

.page-privacy .privacy-details[open] summary::after {
  content: "–";
}

.page-privacy .privacy-details summary:hover {
  background: var(--glass-2);
  color: var(--lime);
}

.page-privacy .privacy-details summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: -2px;
}

.page-privacy .privacy-details[open] summary {
  border-bottom: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-details-body {
  padding: 16px 18px 20px;
}

.page-privacy .privacy-details-body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--privacy-body);
}

.page-privacy .privacy-details-body p + p {
  margin-top: 10px;
}

.page-privacy .privacy-details-body strong {
  color: var(--mist);
  font-weight: 700;
}

/* 联系与备案 */
.page-privacy .privacy-contact-panel {
  margin-top: 22px;
  padding: clamp(14px, 2.2vw, 22px);
}

.page-privacy .privacy-contact-panel .contact-row + .contact-row {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--privacy-rule-soft);
}

/* 返回入口 */
.page-privacy .privacy-return {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: clamp(46px, 6.5vw, 84px);
  padding-top: clamp(26px, 3.6vw, 38px);
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-return-note {
  flex: 1 1 260px;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate);
}

/* 桌面端：左侧固定索引 */
@media (min-width: 1024px) {
  .page-privacy .privacy-grid {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(44px, 6vw, 88px);
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 96px;
  }

  .page-privacy .privacy-body {
    max-width: 66ch;
  }
}

@media (min-width: 1280px) {
  .page-privacy .privacy-grid {
    grid-template-columns: 248px minmax(0, 1fr);
  }
}

/* 窄屏收敛 */
@media (max-width: 560px) {
  .page-privacy .privacy-clause {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }

  .page-privacy .privacy-clause-num {
    padding-top: 0;
  }

  .page-privacy .privacy-sec-head {
    gap: 10px;
  }

  .page-privacy .privacy-meta {
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index-link,
  .page-privacy .privacy-index-link::before,
  .page-privacy .privacy-inline-link,
  .page-privacy .privacy-details summary {
    transition: none;
  }
}