.page-privacy {
  --doc-indent: 22px;
  --doc-measure: 68ch;
}

/* ===== 首屏 ===== */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + 32px) 0 40px;
  background:
    radial-gradient(120% 90% at 88% -12%, rgba(255, 138, 31, 0.16), transparent 62%),
    linear-gradient(180deg, var(--ink) 0%, #0C2036 100%);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    168deg,
    rgba(143, 178, 208, 0.07) 0 1px,
    transparent 1px 15px
  );
  pointer-events: none;
}

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

.page-privacy .privacy-hero .breadcrumbs {
  margin-bottom: 28px;
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--accent);
  text-transform: uppercase;
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .page-hero__lead {
  margin: 22px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.page-privacy .privacy-figure {
  margin: 36px 0 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

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

/* ===== 正文骨架 ===== */
.page-privacy .privacy-main {
  padding-block: 44px 84px;
  background: var(--ink);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

/* ===== 章节索引 ===== */
.page-privacy .privacy-toc {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-privacy .privacy-toc .rail-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-privacy .privacy-toc .rail-nav {
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-privacy .privacy-toc .toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
  text-decoration: none;
  transition: color 200ms ease, border-color 200ms ease;
}

.page-privacy .privacy-toc .toc-link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--line);
}

.page-privacy .privacy-toc .toc-link:hover {
  color: var(--text);
}

.page-privacy .privacy-toc .toc-link[aria-current="true"] {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.page-privacy .privacy-toc .toc-link[aria-current="true"] .mono {
  color: var(--accent);
}

/* ===== 章节 ===== */
.page-privacy .privacy-chapter {
  padding-bottom: 28px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-chapter:last-of-type {
  border-bottom: 0;
}

.page-privacy .privacy-chapter h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(21px, 3.2vw, 27px);
  line-height: 1.35;
  color: var(--text);
}

.page-privacy .privacy-chapter .index-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.page-privacy .doc-p {
  margin: 16px 0 0;
  max-width: var(--doc-measure);
  padding-left: var(--doc-indent);
  border-left: 1px solid var(--line);
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
}

.page-privacy .doc-p a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .doc-list {
  list-style: none;
  margin: 18px 0 0 var(--doc-indent);
  padding: 0 0 0 18px;
  max-width: var(--doc-measure);
  border-left: 1px solid var(--line);
}

.page-privacy .doc-list li {
  position: relative;
  padding: 8px 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.page-privacy .doc-list li::before {
  content: "";
  position: absolute;
  left: -12px;
  top: 20px;
  width: 10px;
  height: 1px;
  background: var(--accent);
}

.page-privacy .term {
  display: inline-block;
  padding: 0 6px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  line-height: 1.7;
}

/* ===== 可选项清单 ===== */
.page-privacy .option-panel {
  margin-top: 22px;
  padding: 4px 0;
}

.page-privacy .option-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 18px 20px;
  border-bottom: 1px dashed var(--line);
}

.page-privacy .option-row:last-child {
  border-bottom: 0;
}

.page-privacy .option-row__num {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--accent);
}

.page-privacy .option-row__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--text);
}

.page-privacy .option-row__desc {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.page-privacy .option-row__link {
  display: inline-block;
  margin-top: 12px;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--accent);
  color: var(--accent);
  font-size: 14px;
  text-decoration: none;
  transition: opacity 200ms ease;
}

.page-privacy .option-row__link:hover {
  opacity: 0.78;
}

/* ===== 尾部延伸入口 ===== */
.page-privacy .privacy-extend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-extend a {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  transition: color 200ms ease;
}

.page-privacy .privacy-extend a:hover {
  color: var(--accent);
}

/* ===== 桌面：左侧索引固定跟随 ===== */
@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-privacy .privacy-toc .rail-nav {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-privacy .privacy-toc .toc-link {
    white-space: normal;
    padding: 9px 12px;
    border-bottom: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
  }

  .page-privacy .privacy-toc .toc-link[aria-current="true"] {
    border-left-color: var(--accent);
    border-bottom-color: transparent;
  }

  .page-privacy .privacy-figure {
    margin-top: 44px;
  }

  .page-privacy .privacy-main {
    padding-block: 60px 104px;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 72px;
  }
}