.page-privacy {
  --prv-cyan-ink: #0B7A6B;
  --prv-rule: rgba(17, 24, 39, 0.1);
  --prv-body-ink: rgba(17, 24, 39, 0.86);
  --prv-index-w: 236px;
  background: var(--cream);
  overflow-x: clip;
}

/* ---------- 页首 ---------- */
.page-privacy .prv-hero {
  position: relative;
  background:
    radial-gradient(120% 110% at 10% -10%, rgba(0, 229, 199, 0.16), transparent 58%),
    radial-gradient(90% 90% at 96% 8%, rgba(124, 92, 255, 0.18), transparent 62%),
    linear-gradient(162deg, var(--deep-1) 0%, var(--deep) 56%, var(--deep-3) 100%);
  color: var(--cream);
  padding: 36px 0 0;
  overflow: hidden;
}

.page-privacy .prv-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 229, 199, 0) 46%, var(--violet));
  opacity: 0.6;
}

.page-privacy .prv-hero .breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 28px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
}

.page-privacy .prv-hero .breadcrumbs a {
  color: var(--cream-mute);
  text-decoration: none;
  transition: color 0.24s var(--ease);
}

.page-privacy .prv-hero .breadcrumbs a:hover {
  color: var(--cyan);
}

.page-privacy .prv-hero .breadcrumbs li[aria-current] {
  color: var(--cyan);
}

.page-privacy .prv-hero .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: rgba(244, 241, 234, 0.28);
}

.page-privacy .prv-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 14px;
  padding: 0;
}

.page-privacy .prv-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px, 8vw, 78px);
  line-height: 1.02;
  letter-spacing: 0.012em;
  font-weight: 700;
  margin: 0 0 22px;
  color: var(--cream);
}

.page-privacy .prv-hero .lead {
  font-family: var(--font-serif);
  font-size: clamp(16.5px, 2vw, 19.5px);
  line-height: 1.82;
  color: var(--cream-dim);
  max-width: 60ch;
  margin: 0 0 40px;
}

.page-privacy .prv-figure {
  margin: 0;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  overflow: hidden;
  border: 1px solid rgba(0, 229, 199, 0.24);
  border-bottom: 0;
  background: var(--deep-3);
}

.page-privacy .prv-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

/* ---------- 正文骨架 ---------- */
.page-privacy .doc-body {
  background: var(--cream);
  padding: 48px 0 88px;
}

.page-privacy .doc-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
}

.page-privacy .doc-index {
  border: 1px solid var(--prv-rule);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(255, 255, 255, 0.66);
  padding: 18px 16px;
}

.page-privacy .idx-head {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rock);
  margin: 0 0 14px;
}

.page-privacy .idx-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 3px;
}

.page-privacy .idx-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 7px 9px;
  border-radius: var(--r-sm);
  color: var(--ink);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.4;
  transition: background-color 0.24s var(--ease), color 0.24s var(--ease);
}

.page-privacy .idx-list a:hover {
  background: rgba(0, 229, 199, 0.12);
}

.page-privacy .idx-list a.is-current {
  background: linear-gradient(90deg, rgba(0, 229, 199, 0.24), rgba(0, 229, 199, 0));
  box-shadow: inset 2px 0 0 var(--cyan);
  font-weight: 600;
}

.page-privacy .idx-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--prv-cyan-ink);
}

/* ---------- 文章 ---------- */
.page-privacy .doc-article {
  min-width: 0;
  max-width: 74ch;
  color: var(--prv-body-ink);
  font-size: 16.5px;
  line-height: 1.86;
}

.page-privacy .doc-section {
  padding: 0 0 40px;
  margin: 0 0 40px;
  border-bottom: 1px solid var(--prv-rule);
}

.page-privacy .doc-section:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .sec-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  margin: 0 0 20px;
}

.page-privacy .sec-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--clay);
  padding-top: 0.35em;
}

.page-privacy .doc-section h2 {
  font-family: var(--font-display);
  font-size: clamp(25px, 4.4vw, 37px);
  line-height: 1.16;
  letter-spacing: 0.012em;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

.page-privacy .doc-section h3 {
  font-family: var(--font-body);
  font-size: 16.5px;
  font-weight: 700;
  color: var(--ink);
  margin: 26px 0 8px;
}

.page-privacy .doc-article p {
  margin: 0 0 15px;
}

.page-privacy .doc-article a {
  color: var(--prv-cyan-ink);
  text-decoration: underline;
  text-decoration-color: rgba(11, 122, 107, 0.35);
  text-underline-offset: 3px;
}

.page-privacy .doc-article a:hover {
  text-decoration-color: var(--prv-cyan-ink);
}

.page-privacy .doc-article ul {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-privacy .doc-article ul li {
  position: relative;
  padding-left: 23px;
  line-height: 1.82;
}

.page-privacy .doc-article ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--cyan);
  opacity: 0.9;
}

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

.page-privacy .info-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0 0 22px;
}

.page-privacy .info-card {
  border: 1px solid var(--prv-rule);
  border-left: 3px solid var(--moss);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: rgba(255, 255, 255, 0.72);
  padding: 15px 17px 13px;
}

.page-privacy .info-card h3 {
  margin: 0 0 6px;
  font-size: 15.5px;
  letter-spacing: 0.01em;
}

.page-privacy .info-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(17, 24, 39, 0.78);
}

.page-privacy .note {
  border-left: 2px solid var(--clay);
  padding: 2px 0 2px 16px;
  margin: 22px 0 0;
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(17, 24, 39, 0.72);
}

.page-privacy .prv-mail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  margin: 0 0 10px;
}

.page-privacy .prv-mail a {
  font-family: var(--font-mono);
  font-size: 15.5px;
  word-break: break-all;
}

.page-privacy .prv-mail .copy-btn {
  font-family: var(--font-mono);
  font-size: 12.5px;
  padding: 5px 13px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(11, 122, 107, 0.4);
  background: rgba(0, 229, 199, 0.1);
  color: var(--prv-cyan-ink);
  cursor: pointer;
  transition: background-color 0.22s var(--ease);
}

.page-privacy .prv-mail .copy-btn:hover {
  background: rgba(0, 229, 199, 0.22);
}

.page-privacy .prv-mail .copy-status {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--moss);
}

.page-privacy .prv-tel {
  margin: 0 0 16px;
}

.page-privacy .prv-tel .num {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--ink);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .prv-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 17px;
  border-radius: var(--r-pill);
  background: var(--deep);
  color: var(--cream);
  border: 1px solid rgba(0, 229, 199, 0.45);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: background-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-privacy .prv-top:hover {
  background: var(--deep-2);
  transform: translateY(-2px);
}

/* ---------- 展开 ---------- */
.page-privacy .doc-section[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.36s var(--ease), transform 0.36s var(--ease);
}

.page-privacy .doc-section[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .doc-section[data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-privacy .info-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .prv-figure img {
    aspect-ratio: 16 / 5;
  }
}

/* ---------- 桌面：章节索引吸顶 ---------- */
@media (min-width: 1000px) {
  .page-privacy .prv-hero {
    padding-top: 48px;
  }

  .page-privacy .doc-body {
    padding: 68px 0 112px;
  }

  .page-privacy .doc-shell {
    grid-template-columns: var(--prv-index-w) minmax(0, 1fr);
    gap: 68px;
    align-items: start;
  }

  .page-privacy .doc-index {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    background: transparent;
    border: 0;
    border-left: 1px solid var(--prv-rule);
    border-radius: 0;
    padding: 4px 0 4px 20px;
  }

  .page-privacy .doc-article {
    font-size: 17px;
  }

  .page-privacy .prv-top {
    right: 32px;
    bottom: 32px;
  }
}