.page-privacy {
  --p-rail: 78px;
  --p-measure: 62ch;
  --p-line-soft: rgba(34, 48, 74, 0.18);
  background: var(--blue-night);
  color: var(--ink);
}

.page-privacy .shell {
  max-width: 900px;
  padding-inline: var(--gutter);
  margin-inline: auto;
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.75rem, 4vw, 2.75rem) clamp(2.25rem, 5vw, 3.75rem);
  background:
    radial-gradient(130% 95% at 100% 0%, rgba(33, 212, 194, 0.15), rgba(10, 18, 32, 0) 62%),
    linear-gradient(160deg, rgba(46, 155, 230, 0.10) 0%, rgba(10, 18, 32, 0) 48%),
    var(--blue-night);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, rgba(34, 48, 74, 0.6) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(to bottom, rgba(34, 48, 74, 0.6) 0 1px, transparent 1px 88px);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0) 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), rgba(0, 0, 0, 0) 88%);
}

.page-privacy .privacy-hero .shell {
  position: relative;
  z-index: 1;
}

.page-privacy .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  list-style: none;
  margin: 0 0 clamp(1.5rem, 4vw, 2.25rem);
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-privacy .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--line);
}

.page-privacy .breadcrumb-list a {
  color: var(--on-night-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

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

.page-privacy .breadcrumb-list [aria-current="page"] {
  color: var(--flag-yellow);
}

.page-privacy .privacy-eyebrow {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-privacy .privacy-hero h1 {
  margin: 0 0 1.1rem;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 5.2vw, 3rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-privacy .privacy-lede {
  margin: 0 0 clamp(1.75rem, 4vw, 2.5rem);
  max-width: 54ch;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--on-night);
}

.page-privacy .privacy-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-privacy .privacy-index li {
  padding: 0.7rem 0.9rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pi-key {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-privacy .pi-val {
  display: block;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--white);
}

.page-privacy .pi-val--mono {
  font-family: var(--font-mono);
  color: var(--flag-yellow);
  letter-spacing: 0.02em;
}

/* ---------- 顶部横幅 ---------- */

.page-privacy .privacy-banner {
  background: var(--blue-night);
  border-bottom: 1px solid var(--line);
  line-height: 0;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1200 / 700;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.7;
}

/* ---------- 条款阅读区 ---------- */

.page-privacy .privacy-paper {
  background: var(--paper);
  padding-block: clamp(1.75rem, 4.5vw, 3rem) clamp(2rem, 5vw, 3.5rem);
}

.page-privacy .clause-toc {
  margin-bottom: clamp(1.75rem, 4.5vw, 2.75rem);
  background: var(--white);
  border: 1px solid var(--paper-line);
  border-radius: var(--r);
}

.page-privacy .clause-toc > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.1rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

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

.page-privacy .clause-toc > summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--flag-blue);
}

.page-privacy .clause-toc[open] > summary {
  border-bottom: 1px solid var(--paper-line);
}

.page-privacy .clause-toc[open] > summary::after {
  content: "－";
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0.4rem 0;
}

.page-privacy .toc-list li {
  break-inside: avoid;
}

.page-privacy .toc-list a {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.5rem 1.1rem;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--ink-soft);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-privacy .toc-list a:hover,
.page-privacy .toc-list a:focus-visible {
  color: var(--ink);
  border-left-color: var(--flag-blue);
  background: rgba(46, 155, 230, 0.07);
}

.page-privacy .toc-list a.is-current,
.page-privacy .toc-list a[aria-current] {
  color: var(--ink);
  border-left-color: var(--cyan);
  background: rgba(33, 212, 194, 0.08);
}

.page-privacy .toc-num {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--flag-blue);
  letter-spacing: 0.04em;
}

/* ---------- 条款条目 ---------- */

.page-privacy .clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  padding-block: clamp(1.5rem, 4vw, 2.25rem);
  border-top: 1px solid var(--p-line-soft);
  scroll-margin-top: 6rem;
}

.page-privacy .clause:first-child {
  border-top: none;
  padding-top: 0;
}

.page-privacy .clause-rail {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.page-privacy .clause-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.05em;
  color: var(--flag-blue);
}

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

.page-privacy .clause-title {
  margin: 0 0 0.85rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--p-line-soft);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .clause-body p {
  margin: 0 0 1rem;
  max-width: var(--p-measure);
  font-family: var(--font-body);
  font-size: 0.94rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

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

.page-privacy .clause-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  max-width: var(--p-measure);
}

.page-privacy .clause-list li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: 0.7rem;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-privacy .clause-list li:last-child {
  margin-bottom: 1rem;
}

.page-privacy .clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  background: var(--flag-blue);
}

.page-privacy .clause-list strong {
  color: var(--ink);
  font-weight: 600;
}

.page-privacy .clause-note {
  max-width: var(--p-measure);
  padding: 0.85rem 1rem;
  background: var(--white);
  border: 1px solid var(--paper-line);
  border-left: 3px solid var(--flag-yellow);
  border-radius: var(--r);
  font-size: 0.87rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 联系方式网格 ---------- */

.page-privacy .contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0 0 1rem;
  max-width: var(--p-measure);
  border-top: 1px solid var(--paper-line);
  border-left: 1px solid var(--paper-line);
}

.page-privacy .contact-grid > div {
  padding: 0.75rem 0.9rem;
  background: var(--white);
  border-right: 1px solid var(--paper-line);
  border-bottom: 1px solid var(--paper-line);
  min-width: 0;
}

.page-privacy .contact-grid dt {
  margin-bottom: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-privacy .contact-grid dd {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-privacy .contact-grid .cd-mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

/* ---------- 尾部延伸入口 ---------- */

.page-privacy .privacy-tail {
  background: var(--blue-night);
  border-top: 1px solid var(--line);
  padding-block: clamp(1.75rem, 4.5vw, 2.75rem);
}

.page-privacy .tail-title {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.05rem, 3vw, 1.35rem);
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-privacy .tail-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .tail-links a {
  display: block;
  padding: 0.95rem 1.05rem;
  background: var(--panel);
  color: var(--on-night);
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.6;
  transition: background 0.16s var(--ease), color 0.16s var(--ease);
}

.page-privacy .tail-links a:hover,
.page-privacy .tail-links a:focus-visible {
  background: #17243D;
  color: var(--white);
}

.page-privacy .tl-key {
  display: block;
  margin-bottom: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-privacy .privacy-index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 760px) {
  .page-privacy .clause {
    grid-template-columns: var(--p-rail) minmax(0, 1fr);
    gap: 1.75rem;
  }

  .page-privacy .clause-rail {
    display: block;
    padding-top: 0.3rem;
  }

  .page-privacy .clause-rail::after {
    content: "";
    display: block;
    width: 1px;
    height: 2.25rem;
    margin-top: 0.6rem;
    background: var(--p-line-soft);
  }

  .page-privacy .toc-list {
    column-count: 2;
    column-gap: 0;
  }

  .page-privacy .privacy-banner img {
    aspect-ratio: 1200 / 420;
  }
}

@media (min-width: 900px) {
  .page-privacy .tail-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc-list a,
  .page-privacy .tail-links a,
  .page-privacy .breadcrumb-list a {
    transition: none;
  }
}