.page-privacy {
  --doc-rule: rgba(15, 15, 13, .16);
  --doc-rule-soft: rgba(15, 15, 13, .08);
  --doc-measure: 34em;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-base);
  line-height: 1.85;
  overflow-x: hidden;
}

.page-privacy .breadcrumbs {
  padding-top: clamp(18px, 3vw, 28px);
  font-size: var(--step-xs);
}

.page-privacy .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  letter-spacing: .04em;
  color: var(--ash);
}

.page-privacy .breadcrumb-list a {
  color: var(--mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-privacy .breadcrumb-list a:hover,
.page-privacy .breadcrumb-list a:focus-visible {
  border-bottom-color: var(--mid);
}

.page-privacy .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--ash);
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  padding-top: clamp(28px, 5vw, 58px);
}

.page-privacy .eyebrow {
  font-size: var(--step-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ash);
  margin: 0;
}

.page-privacy h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.8vw, 88px);
  line-height: 1;
  letter-spacing: -.02em;
  margin: 14px 0 0;
  color: var(--ink);
}

.page-privacy .hero-lead {
  max-width: var(--doc-measure);
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: clamp(17px, 1.6vw, 21px);
  line-height: 1.75;
  color: var(--ink);
}

.page-privacy .hero-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-privacy .hero-meta__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--doc-rule-soft);
}

.page-privacy .hero-meta__item dt {
  font-size: var(--step-xs);
  letter-spacing: .1em;
  color: var(--ash);
  margin: 0;
}

.page-privacy .hero-meta__item dd {
  margin: 0;
  font-size: var(--step-sm);
  color: var(--ink);
  word-break: break-word;
}

@media (min-width: 640px) {
  .page-privacy .hero-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }
  .page-privacy .hero-meta__item {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .hero-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 24px;
  }
  .page-privacy .hero-meta__item {
    grid-template-columns: 1fr;
    gap: 4px;
    border-bottom: none;
    border-left: 1px solid var(--doc-rule);
    padding: 12px 0 14px 14px;
  }
  .page-privacy .hero-meta__item:first-child {
    border-left: none;
    padding-left: 0;
  }
}

.page-privacy .privacy-figure {
  margin: clamp(26px, 4vw, 48px) 0 0;
  border-top: 1px solid var(--doc-rule);
  border-bottom: 1px solid var(--doc-rule);
  background: var(--night);
}

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

/* ---------- 正文骨架 ---------- */

.page-privacy .privacy-layout__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 48px);
  padding-top: clamp(32px, 5vw, 64px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

@media (min-width: 940px) {
  .page-privacy .privacy-layout__inner {
    grid-template-columns: minmax(0, 226px) minmax(0, 1fr);
    column-gap: clamp(44px, 6vw, 92px);
    align-items: start;
  }
}

/* 粘性目录 */

.page-privacy .privacy-toc {
  border-top: 2px solid var(--ink);
  padding-top: 14px;
}

.page-privacy .toc-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ash);
}

.page-privacy .toc-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
}

@media (min-width: 560px) and (max-width: 939px) {
  .page-privacy .toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 18px;
  }
}

@media (min-width: 940px) {
  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    max-height: calc(100vh - var(--header-h) - 54px);
    overflow-y: auto;
  }
}

.page-privacy .toc-link {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 7px 8px 7px 10px;
  border-left: 3px solid transparent;
  color: var(--ink);
  font-size: var(--step-sm);
  line-height: 1.45;
  text-decoration: none;
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-privacy .toc-no {
  font-size: var(--step-xs);
  color: var(--ash);
  letter-spacing: .06em;
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  background: var(--paper-2);
  border-left-color: var(--mid);
}

.page-privacy .toc-link:focus-visible {
  outline: 2px solid var(--mid);
  outline-offset: 2px;
}

/* 文档主体 */

.page-privacy .privacy-doc {
  min-width: 0;
  max-width: 760px;
}

.page-privacy .doc-section {
  padding: clamp(26px, 4vw, 44px) 0;
  border-top: 1px solid var(--doc-rule);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .doc-section:first-child {
  border-top: 2px solid var(--ink);
  padding-top: clamp(22px, 3.4vw, 36px);
}

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

.page-privacy .doc-no {
  margin: 0 0 8px;
  font-size: var(--step-xs);
  letter-spacing: .16em;
  color: var(--ash);
}

.page-privacy .doc-section h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.32;
  letter-spacing: -.01em;
  margin: 0 0 16px;
  color: var(--ink);
}

.page-privacy .doc-lede {
  max-width: var(--doc-measure);
  margin: 0 0 18px;
  font-size: var(--step-base);
  color: var(--mid);
}

.page-privacy .prose {
  max-width: var(--doc-measure);
}

.page-privacy .prose p {
  margin: 0 0 16px;
  max-width: var(--doc-measure);
}

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

.page-privacy .prose a {
  color: var(--mid);
  text-decoration: none;
  border-bottom: 2px solid var(--lime);
  padding-bottom: 1px;
}

.page-privacy .prose a:hover,
.page-privacy .prose a:focus-visible {
  background: var(--paper-2);
}

/* 条目清单 */

.page-privacy .doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-width: var(--doc-measure);
}

.page-privacy .doc-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--doc-rule-soft);
}

.page-privacy .doc-list li:first-child {
  border-top: 1px solid var(--doc-rule-soft);
}

.page-privacy .item-key {
  font-family: var(--font-mono);
  font-size: var(--step-xs);
  letter-spacing: .08em;
  color: var(--mid);
  padding-top: 5px;
  white-space: nowrap;
}

.page-privacy .item-body {
  display: block;
  font-size: var(--step-base);
  line-height: 1.8;
}

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

/* 深色承诺区 */

.page-privacy .promise-card {
  position: relative;
  margin-top: 20px;
  padding: clamp(22px, 4vw, 38px);
  background-color: var(--night);
  background-image:
    repeating-linear-gradient(0deg, rgba(242, 233, 216, .05) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(90deg, rgba(242, 233, 216, .05) 0 1px, transparent 1px 26px);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  border: 1px solid var(--line);
}

.page-privacy .promise-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: promise;
}

.page-privacy .promise-list li {
  position: relative;
  padding-left: 34px;
  font-size: var(--step-base);
  line-height: 1.78;
  color: var(--paper);
  counter-increment: promise;
}

.page-privacy .promise-list li::before {
  content: counter(promise, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: var(--step-xs);
  letter-spacing: .06em;
  color: var(--lime);
}

/* 联系方式 */

.page-privacy .contact-grid {
  margin-top: 6px;
  border-top: 1px solid var(--doc-rule);
}

.page-privacy .contact-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px;
  padding: 14px 0;
  border-bottom: 1px solid var(--doc-rule-soft);
}

@media (min-width: 620px) {
  .page-privacy .contact-row {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

.page-privacy .contact-key {
  font-family: var(--font-mono);
  font-size: var(--step-xs);
  letter-spacing: .1em;
  color: var(--ash);
}

.page-privacy .contact-value {
  font-size: var(--step-base);
  color: var(--ink);
  word-break: break-word;
}

.page-privacy .contact-grid + .prose {
  margin-top: 20px;
}

/* 回到页首 */

.page-privacy .back-to-top {
  position: fixed;
  right: clamp(12px, 3vw, 26px);
  bottom: clamp(12px, 3vw, 26px);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: var(--night);
  border: 1px solid var(--line);
  color: var(--lime);
  font-size: var(--step-xs);
  letter-spacing: .08em;
  text-decoration: none;
}

.page-privacy .back-to-top .mono {
  color: var(--jade);
}

.page-privacy .back-to-top:hover,
.page-privacy .back-to-top:focus-visible {
  border-color: var(--lime);
}

.page-privacy .back-to-top:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

@media (max-width: 480px) {
  .page-privacy .back-to-top span:last-child {
    display: none;
  }
  .page-privacy .back-to-top {
    padding: 10px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc-link,
  .page-privacy .back-to-top {
    transition: none;
  }
}